Missa 'Mi-Mi' (Missa Quarti Toni) a 4: III. Credo

Recording by Johannes Ockeghem.

Recording identifiers

ISRC
GBAYC8401324
CopyrightID (CopyrightChains transaction hash)
0xa1fc738ed37ce79a27af792531096c63d169585a4e21822f2041b8f7c2d3afc3

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:297bd9e5b8d1efaa72087c73e21db3fcfa5a40cc38f06584d843eae46c350458

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.