Export signed evidence

/api/v1/owner/runs/{id}/evidenceGET

Downloads the signed, ordered evidence bundle. Example hashes, signatures and keys are placeholders, not valid cryptographic material. Verify against the independently trusted installation key.

Examples are synthetic and illustrate response shape; IDs, signatures, and credentials are not usable authority.

Authorization

ownerSession *cookie halfspan_session

Authenticated HttpOnly owner session. Not an executor credential.

Response

200 · Successful response. A paused run is an application outcome, not an HTTP error.

version *1

runId *string

publicKey *string

exportedAt *string

events *object[]

Show item properties

id *string

sequence *number

type *string

data *object

createdAt *string

hash *string

previousHash *stringnull

signature *string

400 · Request validation failed.

error *string

reasonCode?string

401 · Sign in to the Halfspan workspace.

error *string

reasonCode?string

403 · Console requests must come from the local owner workspace.

error *string

reasonCode?string

404 · Run not found

error *string

reasonCode?string

500 · The local service could not complete this request.

error *string

reasonCode?string

Request example

curl -X GET "https://service.example.com/api/v1/owner/runs/11111111-1111-4111-8111-111111111111/evidence" \
  -b "halfspan_session=<token>"

Response example

{
  "version": 1,
  "runId": "11111111-1111-4111-8111-111111111111",
  "publicKey": "<installation Ed25519 public key PEM>",
  "exportedAt": "2026-10-26T12:00:00.000Z",
  "events": [
    {
      "id": "88888888-8888-4888-8888-888888888888",
      "sequence": 1,
      "type": "run.stopped",
      "data": {
        "version": 1,
        "stopContext": {
          "version": 1,
          "category": "refusal",
          "recovery": "clarify",
          "source": "executor",
          "reasonCode": "EXECUTOR_REFUSAL",
          "message": "I cannot assist with an unauthorized transfer.",
          "attemptId": "55555555-5555-4555-8555-555555555555",
          "observationId": "44444444-4444-4444-8444-444444444444",
          "dispatch": "not_dispatched"
        }
      },
      "createdAt": "2026-10-26T12:00:00.000Z",
      "hash": "illustrative-sha256-not-a-real-hash",
      "previousHash": null,
      "signature": "illustrative-signature-not-valid"
    }
  ],
  "signature": "illustrative-export-signature"
}