> ## Documentation Index
> Fetch the complete documentation index at: https://docs.rafflesia.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Retrieve a homology target-space compilation

> Returns the status of one compilation and, once it is complete, the id of the immutable target space it produced. Poll this resource after an accepted compilation request. The canonical filter digest it echoes lets a caller confirm the compilation belongs to the filter they submitted.



## OpenAPI

````yaml /api-reference/openapi.json get /v1/homology/target-space-compilations/{homology_target_space_compilation_id}
openapi: 3.1.0
info:
  description: >-
    Deterministic biological evidence primitives. Every response is the same
    envelope: ok, data, warnings, provenance.
  title: Rafflesia API
  version: 0.1.0
servers:
  - description: Production
    url: https://api.rafflesia.ai
security:
  - bearerAuth: []
paths:
  /v1/homology/target-space-compilations/{homology_target_space_compilation_id}:
    get:
      tags:
        - Homology
      summary: Retrieve a homology target-space compilation
      description: >-
        Returns the status of one compilation and, once it is complete, the id
        of the immutable target space it produced. Poll this resource after an
        accepted compilation request. The canonical filter digest it echoes lets
        a caller confirm the compilation belongs to the filter they submitted.
      operationId: homology_target_space_compilations_get
      parameters:
        - in: path
          name: homology_target_space_compilation_id
          required: true
          schema:
            pattern: ^htspc_[0-9a-f]{64}$
            type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EnvelopeHomologyTargetSpaceCompilation'
          description: OK
          headers:
            Rafflesia-Contract-Digest:
              schema:
                type: string
            Rafflesia-Version:
              schema:
                type: string
            X-Request-ID:
              schema:
                type: string
        default:
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ErrorModel'
          description: Error
components:
  schemas:
    EnvelopeHomologyTargetSpaceCompilation:
      additionalProperties: false
      properties:
        $schema:
          description: A URL to the JSON Schema for this object.
          examples:
            - >-
              https://example.com/schemas/EnvelopeHomologyTargetSpaceCompilation.json
          format: uri
          readOnly: true
          type: string
        data:
          $ref: '#/components/schemas/HomologyTargetSpaceCompilation'
          description: Operation result data.
        error:
          $ref: '#/components/schemas/APIError'
          description: Structured error information.
        evidence:
          $ref: '#/components/schemas/EvidenceSummary'
          description: Mechanical evidence summary for agent inspection and chaining.
        ok:
          description: Whether the operation succeeded.
          type: boolean
        provenance:
          $ref: '#/components/schemas/Provenance'
          description: Execution provenance.
        warnings:
          description: Non-fatal warnings.
          items:
            $ref: '#/components/schemas/Warning'
          type:
            - array
            - 'null'
      required:
        - ok
        - warnings
        - provenance
      type: object
    ErrorModel:
      additionalProperties: false
      properties:
        $schema:
          description: A URL to the JSON Schema for this object.
          examples:
            - https://example.com/schemas/ErrorModel.json
          format: uri
          readOnly: true
          type: string
        detail:
          description: >-
            A human-readable explanation specific to this occurrence of the
            problem.
          examples:
            - Property foo is required but is missing.
          type: string
        errors:
          description: Optional list of individual error details
          items:
            $ref: '#/components/schemas/ErrorDetail'
          type:
            - array
            - 'null'
        instance:
          description: >-
            A URI reference that identifies the specific occurrence of the
            problem.
          examples:
            - https://example.com/error-log/abc123
          format: uri
          type: string
        status:
          description: HTTP status code
          examples:
            - 400
          format: int64
          type: integer
        title:
          description: >-
            A short, human-readable summary of the problem type. This value
            should not change between occurrences of the error.
          examples:
            - Bad Request
          type: string
        type:
          default: about:blank
          description: A URI reference to human-readable documentation for the error.
          examples:
            - https://example.com/errors/example
          format: uri
          type: string
      type: object
    HomologyTargetSpaceCompilation:
      additionalProperties: false
      properties:
        canonical_filter_sha256:
          type: string
        database_release_id:
          type: string
        filter_schema_id:
          type: string
        id:
          pattern: ^htspc_[0-9a-f]{64}$
          type: string
        object:
          enum:
            - homology_target_space_compilation
          type: string
        semantic_profile_id:
          type: string
        status:
          enum:
            - pending
            - complete
          type: string
        target_space_id:
          pattern: ^htsp_[0-9a-f]{64}$
          type: string
      required:
        - id
        - object
        - status
        - database_release_id
        - semantic_profile_id
        - filter_schema_id
        - canonical_filter_sha256
      type: object
    APIError:
      additionalProperties: false
      properties:
        code:
          description: Stable specific error code.
          type: string
        details:
          additionalProperties: {}
          description: Additional structured error details.
          type: object
        doc_url:
          description: Stable documentation URL for this error code.
          type: string
        message:
          description: Human-readable error message.
          type: string
        param:
          description: Request field responsible for the error when known.
          type: string
        type:
          description: Stable coarse error category.
          enum:
            - invalid_request_error
            - resource_missing
            - resource_expired
            - conflict_error
            - rate_limit_error
            - authentication_error
            - permission_error
            - billing_error
            - api_error
          type: string
      required:
        - type
        - code
        - message
        - doc_url
      type: object
    EvidenceSummary:
      additionalProperties: false
      properties:
        duration_ms:
          description: >-
            Primary elapsed duration in milliseconds when the response exposes
            one.
          format: int64
          type: integer
        input_refs:
          description: >-
            Input references detected from request fields such as object_id,
            structure_id, target_id, and sequence_id.
          items:
            type: string
          type:
            - array
            - 'null'
        object_refs:
          description: Object ids or object refs visible in the response/provenance.
          items:
            type: string
          type:
            - array
            - 'null'
        output_refs:
          description: Output references detected from response data and generated objects.
          items:
            type: string
          type:
            - array
            - 'null'
        row_count:
          description: >-
            Primary row count or returned row count when the response exposes
            one.
          format: int64
          type: integer
        warnings_count:
          description: Number of non-fatal warnings in the envelope.
          format: int64
          type: integer
      required:
        - warnings_count
      type: object
    Provenance:
      additionalProperties: false
      properties:
        cache_hit:
          description: Whether cached output was reused.
          type: boolean
        created_at:
          description: UTC timestamp.
          type: string
        database_snapshots:
          description: Database snapshots used.
          items:
            $ref: '#/components/schemas/DatabaseSnapshot'
          type:
            - array
            - 'null'
        generated_object_ids:
          description: Object ids created by the operation.
          items:
            type: string
          type:
            - array
            - 'null'
        input_hash:
          description: SHA-256 hash of canonical request input.
          type: string
        operation:
          description: Primitive operation id.
          type: string
        parameters_hash:
          description: SHA-256 hash of parameters.
          type: string
        request_id:
          description: Unique request identifier.
          type: string
        server_version:
          description: Server version.
          type: string
        tool_versions:
          description: Tool versions used.
          items:
            $ref: '#/components/schemas/ToolVersion'
          type:
            - array
            - 'null'
      required:
        - request_id
        - operation
        - created_at
        - server_version
      type: object
    Warning:
      additionalProperties: false
      properties:
        code:
          description: Stable warning code.
          type: string
        details:
          additionalProperties: {}
          description: Additional structured warning details.
          type: object
        message:
          description: Human-readable warning message.
          type: string
      required:
        - code
        - message
      type: object
    ErrorDetail:
      additionalProperties: false
      properties:
        location:
          description: >-
            Where the error occurred, e.g. 'body.items[3].tags' or
            'path.thing-id'
          type: string
        message:
          description: Error message text
          type: string
        value:
          description: The value at the given location
      type: object
    DatabaseSnapshot:
      additionalProperties: false
      properties:
        digest:
          type: string
        kind:
          type: string
        name:
          type: string
        version:
          type: string
      required:
        - name
        - version
      type: object
    ToolVersion:
      additionalProperties: false
      properties:
        name:
          type: string
        path:
          type: string
        version:
          type: string
      required:
        - name
        - version
      type: object
  securitySchemes:
    bearerAuth:
      description: 'A Rafflesia API key, sent as `Authorization: Bearer <key>`.'
      scheme: bearer
      type: http

````