The Song

Recording by Steve Lacy.

Recording identifiers

ISRC
TCAFF2074451
CopyrightID (CopyrightChains transaction hash)
0x25cca72f69f3d75f0d5bd7b639c1faa22536d42ae94df620e0fde7a9b3219203
Copyright registration time
2026-06-04T09:50:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9f21e9c6bdea1024117a84f123647afc1794e233515c5edeb2124bbb35644566

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.