Missa Gaudeamus: III. Kyrie eleison II

Recording by Josquin des Prez.

Recording identifiers

ISRC
FRZ139700053
CopyrightID (CopyrightChains transaction hash)
0x93d8aa1824d42da499d6bd303d381f4378cc5f6dce7b255c11d591882b0f3861
Copyright registration time
2026-07-06T08:38:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T13:52:39Z
Bitcoin block
957043
Canonical record hash
sha256:1a682d1b0465993603de71dab275655ea1f96bdeccdeb653ce5886cc08f141eb

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.