Hummer

Recording by Steve Lacy.

Recording identifiers

ISRC
TCAFF2074420
CopyrightID (CopyrightChains transaction hash)
0x63faa346a425f0db39308c183ffd86afbb106c8c8d80d293a0ca97f1f39a0c8e
Copyright registration time
2026-06-04T10:24:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ec0dcbda3400410f40b935c8aeb80c2e4c7786d867c03f5f5cf875c3312f1e1b

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.