ISRC US43Z0910323
Verified recording
US43Z0910323 is “Cannonball Blues - Instrumental” by Mark Howard,
registered on the CopyrightChains blockchain with CopyrightID
0x852e14cc9b3e76c9573d7eab9886cffcb6b56995b3ab361dfcbc690f627035f3 and independently timestamped
in Bitcoin block 960117 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US43Z0910323.
Recording identifiers
- ISRC
- US43Z0910323
- Title
- Cannonball Blues - Instrumental
- Artist
- Mark Howard
- CopyrightID (CopyrightChains transaction hash)
0x852e14cc9b3e76c9573d7eab9886cffcb6b56995b3ab361dfcbc690f627035f3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T14:28:24+00:00
- Bitcoin block
- 960117
- Canonical record hash
sha256:00802d54801c7ede0004ff162b2ce61f4d03eb1970dc836e0e5e272e2e4881bb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US43Z0910323
- Bitcoin block existence check
- https://blockstream.info/api/block/960117
Full record
Track page: Cannonball Blues - Instrumental · Machine-readable JSON-LD