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POST
Submit a custody receipt for a completed delivery

Authorizations

X-Api-Key
string
header
required

A connection-bound gk_agent_ credential. REST deliberately accepts it through either X-Api-Key or Authorization: Bearer; X-Api-Key remains supported. Its fixed scopes are intersected with the current live grant before route authorization.

Headers

Idempotency-Key
string
required

A unique key for this logical mutation. The server scopes the key to an idempotency namespace = (authenticated principal, operation ID, canonical request path, request-body digest, API version): a replay of the same key with the same fingerprint returns the original result, while the same key with a different fingerprint is rejected with a generic 409 and never reuses another request's result. Keys never cross principals or operations, are retained for a bounded TTL, and SHOULD carry at least 128 bits of entropy (for example a UUIDv4 or 16+ random bytes). Reuse a key only when retrying the exact same request.

Required string length: 1 - 255

Body

application/json
task_id
string
required
Pattern: ^[A-Za-z0-9_-]{1,128}$
artifact_hash
string
required

A 32-byte hex digest.

Pattern: ^0x[a-fA-F0-9]{64}$
custody_receipt
string
required
Minimum string length: 1

Response

Delivery result.

id
string
required
Pattern: ^[A-Za-z0-9_-]{1,128}$
task_id
string
required
Pattern: ^[A-Za-z0-9_-]{1,128}$
artifact_hash
string
required

A 32-byte hex digest.

Pattern: ^0x[a-fA-F0-9]{64}$
status
enum<string>
required

Delivery status. Extensible response enum: clients must tolerate unknown values.

Available options:
submitted,
available,
released
created_at
string<date-time>
required