Missa Mi-Mi : I. Kyrie

Recording by Johannes Ockeghem.

Recording identifiers

ISRC
BER189817602
CopyrightID (CopyrightChains transaction hash)
0xdb099ded9c1118e2b7a3649cfa7036cb0d58a2fd9f5dd5e02e11d87c11771f3b
Copyright registration time
2026-07-07T10:09:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f4da1032ccd94983e2fb9f3eef4df86e53958d772c7a94e89e4d19e2541572de

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.