Kayin'

Recording by The Art Farmer Quartet.

Recording identifiers

ISRC
USUM71816503
CopyrightID (CopyrightChains transaction hash)
0x9ccfbf6bd3538ae5c5668cfd5aca96779daa13b8a7520fa6c7b2bdfe5efba2e3
Copyright registration time
2026-07-06T07:54:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:c43e16a178ce45b4c66ba7d3bd7fe3aca4be726059b30720ea71ccfb9fc05312

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.