Mille regretz

Recording by Josquin des Prez.

Recording identifiers

ISRC
SEYOK1500886
CopyrightID (CopyrightChains transaction hash)
0x995427b083d7ffc81f99c5b3539a139472dd9cee38014af5fc0d468bab4c1e1d
Copyright registration time
2026-07-07T19:10:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:e8552428dc0b377871bb179730919a102938914a91ef949788222b7f61b56470

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.