Missa 'Mi-Mi' (Missa Quarti Toni) a 4: V. Agnus Dei
Recording by Johannes Ockeghem.
Recording identifiers
- ISRC
- GBAYC8401326
- Release date of the album this recording appears on
- 1985
- CopyrightID (CopyrightChains transaction hash)
- 0x9aa99f8faea1429e8d6314e4c0b72089235a226129cf93d040c84ec993e8c927
- Copyright registration time
- 2026-07-06T05:14:43+00:00
OpenTimestamps proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41Z
- Bitcoin block
- 957120
- Canonical record hash
- sha256:1b53a042a134cc63ca194ddd73f7b739840954db3eb0766642c3955a3a7e770f
What this proof establishes
This recording was released in 1985, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.