Étude de Concert: Au Matin

Recording by Marcel Tournier.

Recording identifiers

ISRC
USSM12004417
CopyrightID (CopyrightChains transaction hash)
0x321a61b32977f13f99106ec150d8ad8c4ad28f0399704d9f09965c4c7e809b04
Copyright registration time
2026-06-19T14:42:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7f163929f5271bca39304da06cc06cd04c1b11c0bec8b9078c6574f4f87b9ae7

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.