Madrigal

Recording by Philippe Gaubert.

Recording identifiers

ISRC
HKI190320401
CopyrightID (CopyrightChains transaction hash)
0x3fe7087c4fa194ccce02198543747e553ad22e8c0711e2bbbe3e12f90885a245
Copyright registration time
2026-07-07T09:00:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:4e37cd78b793812ec458f41271942e9dc6499340c243cf2441bd536b11721504

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.