ISRC USMC19989421
Verified recording
USMC19989421 is “Ruby - Single Version” by Coleman Hawkins,
registered on the CopyrightChains blockchain with CopyrightID
0xaa57bd8d90cd2c2a4eccdffcd2f7b5103fa6f186558b88097f8da52bc93439c3 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC19989421.
Recording identifiers
- ISRC
- USMC19989421
- Title
- Ruby - Single Version
- Artist
- Coleman Hawkins
- CopyrightID (CopyrightChains transaction hash)
0xaa57bd8d90cd2c2a4eccdffcd2f7b5103fa6f186558b88097f8da52bc93439c3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:099fbdfc9e5ef25d8efb8a08b1f426e525c30bd63e721d1497754f48d588775f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC19989421
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Ruby - Single Version · Machine-readable JSON-LD