Ruby - Single Version

Recording by Coleman Hawkins.

Recording identifiers

ISRC
USMC19989421
CopyrightID (CopyrightChains transaction hash)
0xaa57bd8d90cd2c2a4eccdffcd2f7b5103fa6f186558b88097f8da52bc93439c3
Copyright registration time
2026-07-07T18:53:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:099fbdfc9e5ef25d8efb8a08b1f426e525c30bd63e721d1497754f48d588775f

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.