# org.latha.island.entity

> Published by [nandi.uk](https://lexicon.garden/identity/did:plc:ngokl2gnmpbvuvrfckja3g7p)

## Description

A tracked entity — person, organization, concept, or tool — managed across Strata memory layers.

## Links

- [View on Lexicon Garden](https://lexicon.garden/lexicon/did:plc:ngokl2gnmpbvuvrfckja3g7p/org.latha.island.entity)
- [Documentation](https://lexicon.garden/lexicon/did:plc:ngokl2gnmpbvuvrfckja3g7p/org.latha.island.entity/docs)
- [Examples](https://lexicon.garden/lexicon/did:plc:ngokl2gnmpbvuvrfckja3g7p/org.latha.island.entity/examples)

## Definitions

### `org.latha.island.entity`

**Type**: `record`

An entity tracked across the Strata three-layer memory architecture. Links the AT Protocol record to carry (structured claims) and vault (prose notes).

**Key**: `tid`

| Property | Type | Required | Description |
|----------|------|----------|-------------|
| `name` | `string` | Yes | Display name of the entity. |
| `tags` | `array` | No | Freeform tags describing the entity. |
| `aliases` | `array` | No | Alternative names or handles for the entity. |
| `carryDid` | `string` (did) | No | DID of the corresponding carry entity, linking this record to the structured claims layer. |
| `homepage` | `string` (uri) | No | Primary URL for the entity (personal site, org page, etc.). |
| `createdAt` | `string` (datetime) | Yes | When this entity was first tracked in Strata. |
| `vaultPath` | `string` | No | Relative path to the corresponding note in the Obsidian vault (e.g. 'people/Alice Smith.md'). |
| `entityType` | `string` | Yes | Category of the entity. |
| `description` | `string` | No | Short description of the entity. |

## Raw Schema

```json
{
  "id": "org.latha.island.entity",
  "defs": {
    "main": {
      "key": "tid",
      "type": "record",
      "record": {
        "type": "object",
        "required": [
          "name",
          "entityType",
          "createdAt"
        ],
        "properties": {
          "name": {
            "type": "string",
            "description": "Display name of the entity.",
            "maxGraphemes": 200
          },
          "tags": {
            "type": "array",
            "items": {
              "type": "string",
              "maxGraphemes": 100
            },
            "maxLength": 20,
            "description": "Freeform tags describing the entity."
          },
          "aliases": {
            "type": "array",
            "items": {
              "type": "string",
              "maxGraphemes": 200
            },
            "maxLength": 10,
            "description": "Alternative names or handles for the entity."
          },
          "carryDid": {
            "type": "string",
            "format": "did",
            "description": "DID of the corresponding carry entity, linking this record to the structured claims layer."
          },
          "homepage": {
            "type": "string",
            "format": "uri",
            "description": "Primary URL for the entity (personal site, org page, etc.)."
          },
          "createdAt": {
            "type": "string",
            "format": "datetime",
            "description": "When this entity was first tracked in Strata."
          },
          "vaultPath": {
            "type": "string",
            "description": "Relative path to the corresponding note in the Obsidian vault (e.g. 'people/Alice Smith.md').",
            "maxGraphemes": 500
          },
          "entityType": {
            "enum": [
              "org.latha.island.defs#person",
              "org.latha.island.defs#org",
              "org.latha.island.defs#concept",
              "org.latha.island.defs#tool"
            ],
            "type": "string",
            "description": "Category of the entity."
          },
          "description": {
            "type": "string",
            "description": "Short description of the entity.",
            "maxGraphemes": 1000
          }
        }
      },
      "description": "An entity tracked across the Strata three-layer memory architecture. Links the AT Protocol record to carry (structured claims) and vault (prose notes)."
    }
  },
  "$type": "com.atproto.lexicon.schema",
  "lexicon": 1,
  "description": "A tracked entity — person, organization, concept, or tool — managed across Strata memory layers."
}
```