ISRC USFI86000391
Verified recording
USFI86000391 is “Poor Butterfly - Instrumental” by Coleman Hawkins,
registered on the CopyrightChains blockchain with CopyrightID
0x21a529815ff960ffc95a680cd9def2608c97917622836df3b9a08fb609ebeb92 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFI86000391.
Recording identifiers
- ISRC
- USFI86000391
- Title
- Poor Butterfly - Instrumental
- Artist
- Coleman Hawkins
- CopyrightID (CopyrightChains transaction hash)
0x21a529815ff960ffc95a680cd9def2608c97917622836df3b9a08fb609ebeb92
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:66b6d70cdc19283cca8577d61fb339286eb7daa7554eb52d0b515ac498d29a39- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFI86000391
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Poor Butterfly - Instrumental · Machine-readable JSON-LD