org.hypercerts.workscope.tag

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A reusable scope atom for work scope logic expressions. Scopes can represent topics, languages, domains, deliverables, methods, regions, tags, or other categorical labels. Tags are composed into structured expressions via CEL (Common Expression Language) on activity records.

main record

A reusable scope atom for work scope logic expressions. Scopes can represent topics, languages, domains, deliverables, methods, regions, tags, or other categorical labels. Tags are composed into structured expressions via CEL (Common Expression Language) on activity records.

Record Key tid Timestamp-based ID

Properties

aliases array of string Optional

Alternative human-readable names for this scope (e.g., translations, abbreviations, or common synonyms). Unlike sameAs, these are plain-text labels, not links to external ontologies.

maxLength: 50 items
category string Optional

Category type of this scope.

maxLength: 50 bytes
Known values: topic, language, domain, method
createdAt string datetime Required

Client-declared timestamp when this record was originally created.

description string Optional

Optional longer description of this scope.

maxLength: 10000 bytesmaxGraphemes: 1000 graphemes
key string Required

Lowercase, underscore-separated machine-readable key for this scope (e.g., 'mangrove_restoration', 'biodiversity_monitoring'). Used as the canonical identifier in CEL expressions.

maxLength: 120 bytes
name string Required

Human-readable name for this scope.

maxLength: 200 bytes
parent ref com.atproto.repo.strongRef Optional

Optional strong reference to a parent work scope tag record for taxonomy/hierarchy support. The record referenced must conform with the lexicon org.hypercerts.workscope.tag.

sameAs array of string uri Optional

URIs to semantically equivalent concepts in external ontologies or taxonomies (e.g., Wikidata QIDs, ENVO terms, SDG targets). Used for interoperability, not as documentation.

maxLength: 20 items
status string Optional

Lifecycle status of this tag. Communities propose tags, curators accept them, deprecated tags point to replacements via supersededBy.

maxLength: 20 bytes
Known values: proposed, accepted, deprecated
supersededBy ref com.atproto.repo.strongRef Optional

When status is 'deprecated', points to the replacement work scope tag record. The record referenced must conform with the lexicon org.hypercerts.workscope.tag.

View raw schema 
{
  "key": "tid",
  "type": "record",
  "record": {
    "type": "object",
    "required": [
      "key",
      "name",
      "createdAt"
    ],
    "properties": {
      "key": {
        "type": "string",
        "maxLength": 120,
        "description": "Lowercase, underscore-separated machine-readable key for this scope (e.g., 'mangrove_restoration', 'biodiversity_monitoring'). Used as the canonical identifier in CEL expressions."
      },
      "name": {
        "type": "string",
        "maxLength": 200,
        "description": "Human-readable name for this scope."
      },
      "parent": {
        "ref": "com.atproto.repo.strongRef",
        "type": "ref",
        "description": "Optional strong reference to a parent work scope tag record for taxonomy/hierarchy support. The record referenced must conform with the lexicon org.hypercerts.workscope.tag."
      },
      "sameAs": {
        "type": "array",
        "items": {
          "type": "string",
          "format": "uri",
          "maxLength": 2048
        },
        "maxLength": 20,
        "description": "URIs to semantically equivalent concepts in external ontologies or taxonomies (e.g., Wikidata QIDs, ENVO terms, SDG targets). Used for interoperability, not as documentation."
      },
      "status": {
        "type": "string",
        "maxLength": 20,
        "description": "Lifecycle status of this tag. Communities propose tags, curators accept them, deprecated tags point to replacements via supersededBy.",
        "knownValues": [
          "proposed",
          "accepted",
          "deprecated"
        ]
      },
      "aliases": {
        "type": "array",
        "items": {
          "type": "string",
          "maxLength": 200
        },
        "maxLength": 50,
        "description": "Alternative human-readable names for this scope (e.g., translations, abbreviations, or common synonyms). Unlike sameAs, these are plain-text labels, not links to external ontologies."
      },
      "category": {
        "type": "string",
        "maxLength": 50,
        "description": "Category type of this scope.",
        "knownValues": [
          "topic",
          "language",
          "domain",
          "method"
        ]
      },
      "createdAt": {
        "type": "string",
        "format": "datetime",
        "description": "Client-declared timestamp when this record was originally created."
      },
      "description": {
        "type": "string",
        "maxLength": 10000,
        "description": "Optional longer description of this scope.",
        "maxGraphemes": 1000
      },
      "supersededBy": {
        "ref": "com.atproto.repo.strongRef",
        "type": "ref",
        "description": "When status is 'deprecated', points to the replacement work scope tag record. The record referenced must conform with the lexicon org.hypercerts.workscope.tag."
      },
      "referenceDocument": {
        "refs": [
          "org.hypercerts.defs#uri",
          "org.hypercerts.defs#smallBlob"
        ],
        "type": "union",
        "description": "Link to a governance or reference document where this work scope tag is defined and further explained."
      }
    }
  },
  "description": "A reusable scope atom for work scope logic expressions. Scopes can represent topics, languages, domains, deliverables, methods, regions, tags, or other categorical labels. Tags are composed into structured expressions via CEL (Common Expression Language) on activity records."
}

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