Big Bossa

Recording by Toots Thielemans.

Recording identifiers

ISRC
USPR39982175
CopyrightID (CopyrightChains transaction hash)
0x58280b2cdc0a8975d1d018805f8294eac0efbe84b54fcfa8bf1e73423f786d4e
Copyright registration time
2026-06-25T09:27:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a84d26d2424bc0bcdab8364b3ecd0c5c736dac0792670f347444bb81b6d542ed

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.