Lullaby For Iola

Recording by Dave Brubeck.

Recording identifiers

ISRC
USUG12003198
CopyrightID (CopyrightChains transaction hash)
0x4766ddb5dfbc6ff728245a7ed424473e87765fbe1c5b22e8a8fd3a54bcf6b2ed
Copyright registration time
2026-06-18T11:48:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3533dc0fbdf5ca07199829aa427fab3e6004d962c22c6c957f30e11c5bcf6370

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.