Madrigal

Recording by Philippe Gaubert.

Recording identifiers

ISRC
GBLWD9108104
CopyrightID (CopyrightChains transaction hash)
0x22693b47aedfc5a2ba5ba46cd7c357f8c8361653cce30b0cea6f12182b2bd562
Copyright registration time
2026-07-31T12:34:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34Z
Bitcoin block
960403
Canonical record hash
sha256:4e5d021e05545ee59a3544b669d643fe08c4731f7a08a9cb338b43851a4e5b38

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.