Missa Prolationum: Kyrie II

Recording by Johannes Ockeghem.

Recording identifiers

ISRC
DEAC61902003
CopyrightID (CopyrightChains transaction hash)
0xd275a08e3c6148795c77f0beb8e39aca5a3587816b84c399d981b9b66f4cb36e
Copyright registration time
2026-06-22T04:22:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ad36f027324a71c0ec48c1ffa406fdb638cd89c451f0c1ab500d9aa733c17c7d

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.