Missa prolationum: Credo

Recording by Johannes Ockeghem.

Recording identifiers

ISRC
GBAYC8805933
CopyrightID (CopyrightChains transaction hash)
0x287c134fd5ce89eea85e503bf4908939877566fb1026c00225d493b827e32407
Copyright registration time
2026-07-06T09:52:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:43:08Z
Bitcoin block
957064
Canonical record hash
sha256:6f657bfdb991b45bf08333c5b830ad27b101380332b5d937b2870da502668482

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.