Seal a document
Submit a finished, signed PDF (multipart part named file, up to 35 MB). It returns sealed with Google Cloud KMS, timestamped by independent RFC 3161 and OpenTimestamps authorities, and wrapped in a public verification URL. Bytes are streamed in memory, never to disk, and discarded after sealing.
Authorizations
Partner API key. Send as Authorization: Bearer sss_pk_....
Body
The executed PDF. Maximum 35 MB.
Response
Document sealed.
Absolute public verification URL.
SHA-256 of the exact bytes you uploaded (pre-seal).
SHA-256 of the sealed PDF SignSealShip produced.
"sealed"
Independent timestamp evidence; either member is null when the authority could not be reached.