Missa Prolationum: Kyrie I

Recording by Johannes Ockeghem.

Recording identifiers

ISRC
DEAC61902001
CopyrightID (CopyrightChains transaction hash)
0x61b58e038bb15882a753adc5adabb6188b6797e7648aac934908b45a56de4eb0
Copyright registration time
2026-06-08T21:08:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:bcf45d49bac032882dda3e36c967c221185e90162e449d25e22907f6ac56fa76

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.