Boléro

Recording by Maurice Ravel.

Recording identifiers

ISRC
US4R31008488
CopyrightID (CopyrightChains transaction hash)
0xde53dca20407f1bebf1dc0934dc4915a730bd0515c54f5695b773bfc60c2f700
Copyright registration time
2026-07-07T07:51:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:679685663972d0d830c1268f59e2d79767e931ef422c12b01b9c5fc0d5f7f634

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.