Some

Recording by Steve Lacy.

Recording identifiers

ISRC
TCACT1617859
CopyrightID (CopyrightChains transaction hash)
0x8e3bb4b9956cd2ba6f7f23e91403393f5e2a7b86c4288628e1352b2e882bdee4
Copyright registration time
2026-06-01T03:31:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9e1d45e2a914e0ab83e6242e74c14949fe748722217121689aa5aa7f9556f014

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.