Messe in D: I. Kyrie

Recording by Johannes Ockeghem.

Recording identifiers

ISRC
FR46Y0753123
CopyrightID (CopyrightChains transaction hash)
0x79b186c28ef8d9485ad629ba99c9c5372ff6c523038140c06cd132a58b6b9e65
Copyright registration time
2026-08-01T01:44:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T02:22:04Z
Bitcoin block
960497
Canonical record hash
sha256:d92a1fba05a90b4f8cd629f549f0b2472278d65276addc14d5fa776c911d8e08

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.