diff --git a/frontend/public/schemas/20251121/linkml/manifest.json b/frontend/public/schemas/20251121/linkml/manifest.json
index aa216b41ec..20d2ba0ebd 100644
--- a/frontend/public/schemas/20251121/linkml/manifest.json
+++ b/frontend/public/schemas/20251121/linkml/manifest.json
@@ -1,5 +1,5 @@
 {
-  "generated": "2026-02-11T12:59:36.637Z",
+  "generated": "2026-02-12T16:43:15.527Z",
   "schemaRoot": "/schemas/20251121/linkml",
   "totalFiles": 2369,
   "categoryCounts": {
diff --git a/schemas/20251121/linkml/manifest.json b/schemas/20251121/linkml/manifest.json
index 20d2ba0ebd..a0cf72b1a9 100644
--- a/schemas/20251121/linkml/manifest.json
+++ b/schemas/20251121/linkml/manifest.json
@@ -1,5 +1,5 @@
 {
-  "generated": "2026-02-12T16:43:15.527Z",
+  "generated": "2026-02-13T15:27:38.296Z",
   "schemaRoot": "/schemas/20251121/linkml",
   "totalFiles": 2369,
   "categoryCounts": {
diff --git a/schemas/20251121/linkml/modules/classes/AccessPolicy.yaml b/schemas/20251121/linkml/modules/classes/AccessPolicy.yaml
index 29e2915708..59ba17cf77 100644
--- a/schemas/20251121/linkml/modules/classes/AccessPolicy.yaml
+++ b/schemas/20251121/linkml/modules/classes/AccessPolicy.yaml
@@ -230,7 +230,7 @@ classes:
         has_description:
           description_text: Collection closed until 2050 per donor agreement
         has_embargo_end_date: '2050-01-01'
-        has_embargo_reason: Donor privacy restrictions per deed of gift
+        restricted_by: Donor privacy restrictions per deed of gift
         legal_basis: Deed of Gift clause 4.2
         review_date: '2049-06-01'
     - value:
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/has_specimen.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/has_specimen.yaml
deleted file mode 100644
index f970f51a4c..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/has_specimen.yaml
+++ /dev/null
@@ -1,105 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/has_specimen
-name: has_specimen
-title: Has Specimen
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-imports:
-- linkml:types
-default_prefix: hc
-slots:
-  has_specimen:
-    description: |
-      Includes, Contains, or References a specific individual physical sample, organism, or artifact collected for study, display, or preservation.
-
-      Multi-valued field capturing all taxonomic groups represented.
-
-
-      **For Botanical Institutions**:
-
-      - "vascular plants" - Ferns, gymnosperms, angiosperms
-
-      - "non-vascular plants" - Mosses, liverworts, hornworts
-
-      - "algae" - Aquatic photosynthetic organisms
-
-      - "fungi" - Mushrooms, molds, lichens
-
-      - "cultivars" - Named plant varieties (roses, tulips, etc.)
-
-
-      **For Zoological Institutions**:
-
-      - "mammals" - Primates, carnivores, ungulates, marine mammals
-
-      - "birds" - Raptors, waterfowl, passerines, flightless birds
-
-      - "reptiles" - Snakes, lizards, turtles, crocodilians
-
-      - "amphibians" - Frogs, salamanders, caecilians
-
-      - "fish" - Freshwater, marine, cartilaginous, bony fish
-
-      - "invertebrates" - Insects, arachnids, mollusks, crustaceans
-
-
-      **For Aquariums**:
-
-      - "marine fish" - Saltwater fish species
-
-      - "freshwater fish" - River and lake species
-
-      - "corals" - Reef-building cnidarians
-
-      - "marine mammals" - Dolphins, seals, sea lions
-
-      - "sharks and rays" - Cartilaginous fish
-
-      - "jellyfish" - Cnidarian medusae
-
-
-      **Specialized Collections**:
-
-      - "butterflies" - Lepidoptera (butterfly houses)
-
-      - "primates only" - Specialized primate centers
-
-      - "raptors" - Birds of prey (falconry centers)
-
-      - "carnivorous plants" - Insectivorous botanical specialists
-
-      - "succulents" - Cactus and succulent gardens
-
-
-      **Examples**:
-
-      - Artis (zoo): ["mammals", "birds", "reptiles", "amphibians", "fish", "invertebrates"]
-
-      - Hortus Leiden: ["vascular plants", "non-vascular plants", "cultivars"]
-
-      - Burgers'' Ocean: ["marine fish", "corals", "sharks and rays"]
-
-      - Vlindorado: ["butterflies", "tropical plants"]
-
-
-      **Ontology Alignment**:
-
-      - Maps to Darwin Core `dwc:taxonRank` and `dwc:scientificName`
-
-      - Maps to `schema:additionalType` for Schema.org
-
-      '
-    range: string
-    slot_uri: hc:hasSpecimen
-    annotations:
-      custodian_types: '["*"]'
-    aliases:
-      - specimen_type
\ No newline at end of file
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/has_spoken_words.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/has_spoken_words.yaml
deleted file mode 100644
index cef345a4e9..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/has_spoken_words.yaml
+++ /dev/null
@@ -1,35 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/has_spoken_words
-name: has_spoken_words
-title: has spoken words
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-imports:
-- linkml:types
-default_prefix: hc
-slots:
-  has_spoken_words:
-    description: |
-      Contains, Features, or Records audible speech, dialogue, or vocal communication within a media file or segment.
-
-      High-level flag for presence of speech content.
-
-
-      - true: At least one speech segment detected
-
-      - false: No speech detected (music-only, silent, etc.)
-
-      '
-    slot_uri: hc:hasSpokenWords
-    annotations:
-      custodian_types: '["*"]'
-    aliases:
-      - speech_detected
\ No newline at end of file
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/speech_language.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/speech_language.yaml
deleted file mode 100644
index 8a9f5be1db..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/speech_language.yaml
+++ /dev/null
@@ -1,35 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/speech_language
-name: speech_language_slot
-title: Speech Language Slot
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-imports:
-- linkml:types
-default_prefix: hc
-slots:
-  speech_language:
-    description: 'Primary language of speech content (ISO 639-1 code).
-
-
-      Dublin Core: language for primary language.
-
-
-      For multilingual content, this is the predominant language.
-
-      See `languages_detected` for all languages.
-
-      '
-    range: string
-    slot_uri: hc:speechLanguage
-    annotations:
-      custodian_types: '["*"]'
-    exact_mappings:
\ No newline at end of file
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/speech_text.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/speech_text.yaml
deleted file mode 100644
index 8324f58b87..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/speech_text.yaml
+++ /dev/null
@@ -1,30 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/speech_text
-name: speech_text_slot
-title: Speech Text Slot
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-imports:
-- linkml:types
-default_prefix: hc
-slots:
-  speech_text:
-    description: 'Transcript text for this segment (if available).
-
-
-      Links to VideoTranscript for full transcript.
-
-      '
-    range: string
-    slot_uri: hc:speechText
-    annotations:
-      custodian_types: '["*"]'
-    exact_mappings:
\ No newline at end of file
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/square_meters.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/square_meters.yaml
deleted file mode 100644
index b699f49210..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/square_meters.yaml
+++ /dev/null
@@ -1,33 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/square_meters
-name: square_meters_slot
-title: Square Meters Slot
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-imports:
-- linkml:types
-default_prefix: hc
-slots:
-  square_meters:
-    description: 'Retail floor space in square meters.
-
-
-      Schema.org: floorSize for area measurement.
-
-
-      Indicator of shop scale and capacity.
-
-      '
-    range: float
-    slot_uri: hc:squareMeters
-    annotations:
-      custodian_types: '["*"]'
-    exact_mappings:
\ No newline at end of file
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/staff_count.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/staff_count.yaml
deleted file mode 100644
index f91290e39b..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/staff_count.yaml
+++ /dev/null
@@ -1,34 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/staff_count
-name: staff_count_slot
-imports:
-- linkml:types
-slots:
-  staff_count:
-    slot_uri: schema:numberOfEmployees
-    range: integer
-    description: 'Number of staff working in the gift shop.
-
-
-      Schema.org: numberOfEmployees for staffing.
-
-
-      May include full-time, part-time, seasonal.
-
-      '
-    close_mappings:
-    - schema:numberOfEmployees
-    broad_mappings:
-    - schema:numberOfItems
-    annotations:
-      custodian_types: '["*"]'
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/staff_id.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/staff_id.yaml
deleted file mode 100644
index c0bbe0c8f3..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/staff_id.yaml
+++ /dev/null
@@ -1,35 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/staff_id
-name: staff_id_slot
-title: staff_id slot
-version: 1.0.0
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  dct: http://purl.org/dc/terms/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-imports:
-- linkml:types
-default_prefix: hc
-slots:
-  staff_id:
-    description: 'Unique identifier for the staff member within the source organization.
-
-      Format: {org_slug}_staff_{index}_{name_slug}
-
-      '
-    slot_uri: dct:identifier
-    range: string
-    pattern: ^[a-z0-9-]+_staff_[a-z0-9-_]+$
-    examples:
-    - value: rijksmuseum_staff_0042_jan_van_der_berg
-      description: Staff ID with org prefix, index, and name slug
-    annotations:
-      custodian_types: '["*"]'
-    exact_mappings:
\ No newline at end of file
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/staff_impact.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/staff_impact.yaml
deleted file mode 100644
index 44abdbaeb6..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/staff_impact.yaml
+++ /dev/null
@@ -1,24 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/staff_impact
-name: staff_impact
-imports:
-- linkml:types
-slots:
-  staff_impact:
-    slot_uri: skos:note
-    description: "Description of impact on staff (FTE changes, reassignments, redundancies).\n\nInclude:\n- FTE count changes (before \u2192 after)\n- Staff reassignments between units\n- Redundancies or retirements\n- New hires\n"
-    range: string
-    exact_mappings:
-    - rdfs:comment
-    annotations:
-      custodian_types: '["*"]'
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/staff_role.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/staff_role.yaml
deleted file mode 100644
index fed8bf3b7c..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/staff_role.yaml
+++ /dev/null
@@ -1,61 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/staff_role
-name: staff_role
-title: Staff Role
-imports:
-- linkml:types
-slots:
-  staff_role:
-    slot_uri: schema:roleName
-    description: 'Primary staff role from controlled class hierarchy.
-
-
-      **Schema.org**: `schema:roleName` for organizational role
-
-
-      **Range**: StaffRole class hierarchy (51 specialized subclasses)
-
-
-      **Purpose**: Enable role-based queries ("Find all conservators")
-
-
-      **IMPORTANT - FORMAL TITLE vs DE FACTO WORK**:
-
-      This slot captures the OFFICIAL job appellation/title assigned by the institution.
-
-      Actual de facto work may differ from or stretch beyond this formal classification.
-
-      Staff may perform duties outside their formal title, especially in smaller institutions.
-
-
-      **Distinction from role_title**:
-
-      - staff_role: Conservator class (controlled category with properties)
-
-      - role_title: "Senior Paintings Conservator" (institutional job title string)
-
-
-      **Classes replace enum**: Per Single Source of Truth principle, the StaffRoleTypeEnum
-
-      was converted to a class hierarchy to enable richer modeling.
-
-
-      See: modules/classes/StaffRole.yaml, modules/classes/StaffRoles.yaml
-
-      '
-    range: string # uriorcurie
-    # range: StaffRole
-    exact_mappings:
-    - org:role
-    annotations:
-      custodian_types: '["*"]'
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/standardized_name.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/standardized_name.yaml
deleted file mode 100644
index 0950fdf6dc..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/standardized_name.yaml
+++ /dev/null
@@ -1,26 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/standardized_name
-name: standardized_name_slot
-imports:
-- linkml:types
-slots:
-  standardized_name:
-    slot_uri: skos:prefLabel
-    range: string
-    description: The canonical emic name accepted by custodian itself (REQUIRED)
-    required: true
-    broad_mappings:
-    - rdfs:label
-    annotations:
-      custodian_types: '["*"]'
-    exact_mappings:
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/standards_applied.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/standards_applied.yaml
deleted file mode 100644
index df6b2bbd76..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/standards_applied.yaml
+++ /dev/null
@@ -1,38 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/standards_applied
-name: standards_applied_slot
-title: Standards Applied Slot
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-imports:
-- linkml:types
-- ../enums/StorageStandardEnum
-default_prefix: hc
-slots:
-  standards_applied:
-    description: 'Storage standards that this facility is designed to meet.
-
-
-      References StorageStandardEnum values for ISO, EN, or other
-
-      recognized standards governing storage conditions.
-
-
-      Dublin Core: conformsTo for standards compliance.
-
-      '
-    range: string # uriorcurie
-    # range: StorageStandardEnum
-    multivalued: true
-    slot_uri: hc:standardsApplied
-    annotations:
-      custodian_types: '["*"]'
-    exact_mappings:
\ No newline at end of file
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/standards_compliance.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/standards_compliance.yaml
deleted file mode 100644
index 6e73c8721a..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/standards_compliance.yaml
+++ /dev/null
@@ -1,33 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/standards_compliance
-name: standards_compliance_slot
-title: Standards Compliance Slot
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-imports:
-- linkml:types
-- ../enums/StorageStandardEnum
-default_prefix: hc
-slots:
-  standards_compliance:
-    description: 'Standards this policy is designed to meet.
-
-
-      Reference to StorageStandardEnum values.
-
-      '
-    range: string # uriorcurie
-    # range: StorageStandardEnum
-    multivalued: true
-    slot_uri: hc:standardsCompliance
-    annotations:
-      custodian_types: '["*"]'
-    exact_mappings:
\ No newline at end of file
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/start.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/start.yaml
deleted file mode 100644
index 309dfbe822..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/start.yaml
+++ /dev/null
@@ -1,25 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/start
-name: start_slot
-title: Start Slot
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-imports:
-- linkml:types
-default_prefix: hc
-slots:
-  start:
-    slot_uri: schema:startDate
-    description: Start of temporal coverage
-    range: string
-    annotations:
-      custodian_types: '["*"]'
-    exact_mappings:
\ No newline at end of file
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/start_of_the_start.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/start_of_the_start.yaml
deleted file mode 100644
index c6cf301ffd..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/start_of_the_start.yaml
+++ /dev/null
@@ -1,56 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/start_of_the_start
-name: start_of_the_start
-title: Start of the Start
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-default_prefix: hc
-imports:
-- linkml:types
-slots:
-  start_of_the_start:
-    slot_uri: crm:P82a_begin_of_the_begin
-    description: 'The earliest possible start time of a temporal extent.
-
-
-      **SEMANTICS**:
-
-      Equivalent to CIDOC-CRM P82a_begin_of_the_begin.
-
-      This slot is an alias for `begin_of_the_begin` for naming consistency.
-
-
-      **USAGE**:
-
-      - For precise start: Set to exact timestamp
-
-      - For uncertain start: Set to earliest plausible date
-
-
-      **NOTE**:
-
-      Prefer `begin_of_the_begin` in new code (established CIDOC-CRM pattern).
-
-      This slot created per slot_fixes.yaml revision requirements.
-
-      '
-    range: string # uriorcurie
-    # range: Timestamp
-    exact_mappings:
-    aliases: []
-    examples:
-    - value: '1902-01-01'
-      description: Earliest possible date for 1902 founding
-    - value: '1850-01-01'
-      description: Earliest date for 1850s founding (decade uncertainty)
-    annotations:
-      custodian_types: '["*"]'
-      custodian_types_rationale: Temporal boundaries applicable to all custodian types.
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/start_seconds.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/start_seconds.yaml
deleted file mode 100644
index a0bda3ca56..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/start_seconds.yaml
+++ /dev/null
@@ -1,39 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/start_seconds
-name: start_seconds_slot
-title: Start Seconds Slot
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-imports:
-- linkml:types
-default_prefix: hc
-slots:
-  start_seconds:
-    description: 'Start time in seconds (floating point) from video beginning.
-
-
-      **PRIMARY for computation**. Use for:
-
-      - Video player synchronization
-
-      - Duration calculations
-
-      - Time-based sorting and filtering
-
-
-      Precision to milliseconds (3 decimal places) is typical.
-
-      '
-    range: float
-    slot_uri: hc:startSeconds
-    annotations:
-      custodian_types: '["*"]'
-    exact_mappings:
\ No newline at end of file
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/start_time.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/start_time.yaml
deleted file mode 100644
index af60c3ce54..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/start_time.yaml
+++ /dev/null
@@ -1,44 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/start_time
-name: start_time_slot
-title: Start Time Slot
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-imports:
-- linkml:types
-default_prefix: hc
-slots:
-  start_time:
-    description: 'Start time of segment as ISO 8601 duration from video beginning.
-
-
-      Media Ontology: hasStartTime for temporal start.
-
-
-      **Format**: ISO 8601 duration (e.g., "PT0M30S" = 30 seconds from start)
-
-
-      **Common Patterns**:
-
-      - PT0S = Start of video (0 seconds)
-
-      - PT30S = 30 seconds
-
-      - PT1M30S = 1 minute 30 seconds
-
-      - PT1H15M30S = 1 hour 15 minutes 30 seconds
-
-      '
-    range: string
-    slot_uri: hc:startTime
-    annotations:
-      custodian_types: '["*"]'
-    exact_mappings:
\ No newline at end of file
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/started_at_time.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/started_at_time.yaml
deleted file mode 100644
index f397f2944f..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/started_at_time.yaml
+++ /dev/null
@@ -1,25 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/started_at_time
-name: started_at_time_slot
-imports:
-- linkml:types
-slots:
-  started_at_time:
-    slot_uri: prov:startedAtTime
-    range: datetime
-    description: Start time of reconstruction activity
-    broad_mappings:
-    - prov:atTime
-    annotations:
-      custodian_types: '["*"]'
-    exact_mappings:
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  dcterms: http://purl.org/dc/terms/
-  prov: http://www.w3.org/ns/prov#
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
diff --git a/schemas/20251121/linkml/modules/slots/20260202_matang/starts_or_started_at_location.yaml b/schemas/20251121/linkml/modules/slots/20260202_matang/starts_or_started_at_location.yaml
deleted file mode 100644
index af6106b49a..0000000000
--- a/schemas/20251121/linkml/modules/slots/20260202_matang/starts_or_started_at_location.yaml
+++ /dev/null
@@ -1,78 +0,0 @@
-id: https://nde.nl/ontology/hc/slot/starts_or_started_at_location
-name: starts_or_started_at_location_slot
-title: Starts Or Started At Location Slot
-prefixes:
-  linkml: https://w3id.org/linkml/
-  hc: https://nde.nl/ontology/hc/
-  schema: http://schema.org/
-  crm: http://www.cidoc-crm.org/cidoc-crm/
-  prov: http://www.w3.org/ns/prov#
-  dcterms: http://purl.org/dc/terms/
-  skos: http://www.w3.org/2004/02/skos/core#
-  rdfs: http://www.w3.org/2000/01/rdf-schema#
-  org: http://www.w3.org/ns/org#
-  xsd: http://www.w3.org/2001/XMLSchema#
-default_prefix: hc
-imports:
-- linkml:types
-slots:
-  starts_or_started_at_location:
-    slot_uri: prov:atLocation
-    description: 'Origin location where an event or process started.
-
-
-      **Temporal Semantics** (RiC-O Pattern):
-
-      The "startsOrStarted" naming follows RiC-O convention indicating
-
-      the location may be historical (where something began).
-
-
-      **Ontological Alignment**:
-
-      - **Primary** (`slot_uri`): `prov:atLocation` - PROV-O location
-
-      - **Related**: `crm:P27_moved_from` - CIDOC-CRM moved from
-
-      - **Related**: `schema:fromLocation` - Schema.org origin
-
-
-      **Use Cases**:
-
-      - Transfer event origin (where materials came from)
-
-      - Journey/movement start location
-
-      - Process initiation location
-
-
-      **Range**: Location class (structured location with name and coordinates)
-
-      '
-    range: string # uriorcurie
-    # range: Location
-    required: false
-    multivalued: false
-    inlined: false # Fixed invalid inline for primitive type
-    related_mappings:
-    - crm:P27_moved_from
-    - schema:fromLocation
-    annotations:
-      rico_naming_convention: 'Follows RiC-O "startsOrStarted" pattern for temporal location predicates.
-
-        See Rule 39: Slot Naming Convention (RiC-O Style)
-
-        '
-      custodian_types: '["*"]'
-      custodian_types_rationale: Location relationships apply to all heritage types.
-      specificity_score: 0.4
-      specificity_rationale: Specialized slot for event/process locations.
-    comments:
-    - Origin location for events/processes
-    - Maps to prov:atLocation with start semantics
-    - 'RiC-O naming: startsOrStarted indicates temporal aspect'
-    examples:
-    - value:
-        location_name: Old Storage Facility, Amsterdam
-      description: Origin location for collection transfer
-    exact_mappings:
\ No newline at end of file
diff --git a/schemas/20251121/linkml/modules/slots/begin_of_the_begin.yaml b/schemas/20251121/linkml/modules/slots/begin_of_the_begin.yaml
index edc2431924..c060440a07 100644
--- a/schemas/20251121/linkml/modules/slots/begin_of_the_begin.yaml
+++ b/schemas/20251121/linkml/modules/slots/begin_of_the_begin.yaml
@@ -122,6 +122,11 @@ slots:
       - reporting_period_start
       - role_start_date
       - segment_start_seconds
+      - start_of_the_start
+      - start_seconds
+      - start_time
+      - start
+      - started_at_time
     annotations:
       slot_fixes_compliance: Range changed from datetime to Timestamp class per slot_fixes.yaml
       migration_date: '2026-01-15'
diff --git a/schemas/20251121/linkml/modules/slots/has_name.yaml b/schemas/20251121/linkml/modules/slots/has_name.yaml
index ded18974a0..e592231559 100644
--- a/schemas/20251121/linkml/modules/slots/has_name.yaml
+++ b/schemas/20251121/linkml/modules/slots/has_name.yaml
@@ -101,6 +101,7 @@ slots:
       - person_name
       - preferred_name
       - profile_name
+      - standardized_name
     comments:
       - >-
         Usage: For persons, the full name (e.g., "Jan de Vries"). For organizations,
diff --git a/schemas/20251121/linkml/modules/slots/has_quantity.yaml b/schemas/20251121/linkml/modules/slots/has_quantity.yaml
index c9f0d9c539..26f9e4e0e3 100644
--- a/schemas/20251121/linkml/modules/slots/has_quantity.yaml
+++ b/schemas/20251121/linkml/modules/slots/has_quantity.yaml
@@ -88,5 +88,6 @@ slots:
       - scene_count
       - sentence_count
       - specimen_count
+      - square_meters
     annotations:
       custodian_types: '["*"]'
diff --git a/schemas/20251121/linkml/modules/slots/has_spoken_words.yaml b/schemas/20251121/linkml/modules/slots/has_spoken_words.yaml
new file mode 100644
index 0000000000..c2f4dbe2f4
--- /dev/null
+++ b/schemas/20251121/linkml/modules/slots/has_spoken_words.yaml
@@ -0,0 +1,124 @@
+# ==============================================================================
+# LinkML Slot Definition: has_spoken_words
+# ==============================================================================
+# Whether a media file or segment contains audible speech, dialogue, or vocal
+# communication.
+#
+# ONTOLOGY ALIGNMENT (verified against data/ontology/):
+#
+# | Ontology   | Property              | File/Line                       | Mapping | Notes                                                              |
+# |------------|-----------------------|---------------------------------|---------|--------------------------------------------------------------------|
+# | **Schema** | `schema:utterances`   | schemaorg.owl:39293-39296       | close   | "Text of utterances (spoken words, lyrics etc.)"; value is text    |
+# |            |                       |                                 |         | of the speech, not a boolean/flag for presence.                    |
+# | **Schema** | `schema:transcript`   | schemaorg.owl:38621-38624       | related | "Transcript of AudioObject or VideoObject"; the textual            |
+# |            |                       |                                 |         | representation, not a flag for speech presence.                    |
+# | **CIDOC**  | `E33_Linguistic_Object` | CIDOC_CRM_v7.1.3.rdf:659-664 | broad   | "Identifiable expressions in natural language"; covers written,    |
+# |            |                       |                                 |         | recorded speech, sign language — much broader than speech flag.    |
+#
+# CREATED: 2026-02-12
+# ==============================================================================
+
+id: https://nde.nl/ontology/hc/slot/has_spoken_words
+name: has_spoken_words
+title: Has Spoken Words
+prefixes:
+  linkml: https://w3id.org/linkml/
+  hc: https://nde.nl/ontology/hc/
+  schema: http://schema.org/
+  crm: http://www.cidoc-crm.org/cidoc-crm/
+imports:
+  - linkml:types
+default_prefix: hc
+slots:
+  has_spoken_words:
+    slot_uri: hc:hasSpokenWords
+    description: >-
+      Indicates whether a media file, recording, or segment contains
+      audible speech, dialogue, or vocal communication. Used as a
+      high-level flag for the presence of spoken content, distinguishing
+      speech-bearing media from music-only, ambient, or silent recordings.
+    alt_descriptions:
+      nl: >-
+        Geeft aan of een mediabestand, opname of segment hoorbare spraak,
+        dialoog of vocale communicatie bevat. Wordt gebruikt als vlag op
+        hoog niveau voor de aanwezigheid van gesproken inhoud.
+      de: >-
+        Gibt an, ob eine Mediendatei, Aufnahme oder ein Segment hörbare
+        Sprache, Dialog oder stimmliche Kommunikation enthält. Dient als
+        übergeordnetes Kennzeichen für das Vorhandensein gesprochener
+        Inhalte.
+      fr: >-
+        Indique si un fichier média, un enregistrement ou un segment
+        contient de la parole audible, du dialogue ou de la communication
+        vocale. Utilisé comme indicateur de haut niveau de la présence
+        de contenu parlé.
+      ar: >-
+        يشير إلى ما إذا كان ملف وسائط أو تسجيل أو مقطع يحتوي على كلام
+        مسموع أو حوار أو تواصل صوتي. يُستخدم كعلامة عالية المستوى لوجود
+        محتوى منطوق.
+      id: >-
+        Menunjukkan apakah berkas media, rekaman, atau segmen mengandung
+        ucapan yang dapat didengar, dialog, atau komunikasi vokal.
+        Digunakan sebagai penanda tingkat tinggi untuk keberadaan konten
+        lisan.
+      zh: >-
+        表示媒体文件、录音或片段是否包含可听到的语音、对话或语音通信。用作
+        口语内容存在与否的高级标志。
+      es: >-
+        Indica si un archivo multimedia, grabación o segmento contiene
+        habla audible, diálogo o comunicación vocal. Se utiliza como
+        indicador de alto nivel de la presencia de contenido hablado.
+    structured_aliases:
+      - literal_form: gesproken woorden
+        predicate: EXACT_SYNONYM
+        in_language: nl
+      - literal_form: gesprochene Worte
+        predicate: EXACT_SYNONYM
+        in_language: de
+      - literal_form: paroles prononcées
+        predicate: EXACT_SYNONYM
+        in_language: fr
+      - literal_form: كلمات منطوقة
+        predicate: EXACT_SYNONYM
+        in_language: ar
+      - literal_form: kata-kata lisan
+        predicate: EXACT_SYNONYM
+        in_language: id
+      - literal_form: 口语
+        predicate: EXACT_SYNONYM
+        in_language: zh
+      - literal_form: palabras habladas
+        predicate: EXACT_SYNONYM
+        in_language: es
+    range: string
+    close_mappings:
+      - schema:utterances       # schemaorg.owl:39293-39296 - "Text of utterances (spoken words, lyrics etc.)"; value is the text, not a presence flag
+    related_mappings:
+      - schema:transcript       # schemaorg.owl:38621-38624 - "Transcript of AudioObject or VideoObject"; textual representation
+    broad_mappings:
+      - crm:E33_Linguistic_Object  # CIDOC_CRM_v7.1.3.rdf:659-664 - "Identifiable expressions in natural language"; covers all linguistic content
+    aliases:
+      - speech_detected
+      - speech_language
+      - speech_text
+    examples:
+      - value: "true"
+        description: >-
+          At least one speech segment was detected in the audio file by
+          an automatic speech detection pipeline.
+      - value: "false"
+        description: >-
+          No speech detected — the recording contains only music, ambient
+          sound, or silence.
+    annotations:
+      custodian_types: '["*"]'
+    comments:
+      - >-
+        Acts as a boolean-like flag (true / false) indicating whether any
+        speech is present. More detailed information such as the detected
+        language or transcribed text should be captured in sibling slots
+        (e.g. in_language, has_text).
+      - >-
+        Distinct from has_sound, which flags any audible content including
+        non-speech audio. has_spoken_words specifically identifies human
+        vocal communication.
diff --git a/schemas/20251121/linkml/modules/slots/has_staff.yaml b/schemas/20251121/linkml/modules/slots/has_staff.yaml
index b0cd693fec..725b1968de 100644
--- a/schemas/20251121/linkml/modules/slots/has_staff.yaml
+++ b/schemas/20251121/linkml/modules/slots/has_staff.yaml
@@ -79,6 +79,10 @@ slots:
     - has_or_had_staff_member
     - has_staff_member
     - has_admin_staff_count
+    - staff_count
+    - staff_id
+    - staff_impact
+    - staff_role
     annotations:
       custodian_types: '["*"]'
     exact_mappings:
diff --git a/schemas/20251121/linkml/modules/slots/has_standard.yaml b/schemas/20251121/linkml/modules/slots/has_standard.yaml
index 944ce90406..8d98ada022 100644
--- a/schemas/20251121/linkml/modules/slots/has_standard.yaml
+++ b/schemas/20251121/linkml/modules/slots/has_standard.yaml
@@ -76,6 +76,8 @@ slots:
       - has_or_had_standard
       - metadata_standard
       - preservation_standard
+      - standards_applied
+      - standards_compliance
     annotations:
       custodian_types: '["*"]'
     close_mappings:
diff --git a/schemas/20251121/linkml/modules/slots/originate_from.yaml b/schemas/20251121/linkml/modules/slots/originate_from.yaml
index 89ed7becb6..6c118aad4c 100644
--- a/schemas/20251121/linkml/modules/slots/originate_from.yaml
+++ b/schemas/20251121/linkml/modules/slots/originate_from.yaml
@@ -80,6 +80,7 @@ slots:
       - lender
       - origin_location
       - originates_or_originated_from
+      - starts_or_started_at_location
     annotations:
       custodian_types: '["*"]'
     close_mappings: