Mille Regretz

Recording by Josquin des Prez.

Recording identifiers

ISRC
FR9W11902606
CopyrightID (CopyrightChains transaction hash)
0x5af2f0bda1be6c3dff7c818f561a3c091f7802e1f20ee367626e1aa4f96cbb14
Copyright registration time
2026-07-07T18:17:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:2e30b5130a9d7818ed59a908635c942c41bd16d32b850a2a95dc7c200655331a

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.