Bossa Baroque

Recording by Dave Grusin.

Recording identifiers

ISRC
USGR10000212
CopyrightID (CopyrightChains transaction hash)
0x64f29cd1a3ef73411b7d25fb39ea2f0fb4cc7ebfd408f68352fa5004742dbde5
Copyright registration time
2026-06-23T09:28:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:19e627048245fa80320b96b1f6c4974b85e4dc5a746cbd2d1da0cda27f4ba8b5

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.