Requiem (Missa pro defunctis) a 2-4: Tractus: Sicut cervus

Recording by Johannes Ockeghem.

Recording identifiers

ISRC
GBAYC8400418
CopyrightID (CopyrightChains transaction hash)
0x218fde294890739b1eda4851c050238fb32cafbf3d1c6741b008eda8c952b291
Copyright registration time
2026-06-27T06:31:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fb2282f6675445cc7fe1a8834b022881a8cbdf40383d9e446064251862662ace

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.