ISRC USSM10112776
Verified recording
USSM10112776 is “Cello Concerto: II. Blues” by John Williams,
registered on the CopyrightChains blockchain with CopyrightID
0x1e4f5f96992dfdf3fc0da5a3a5d7221a609d1ee9568b7ed2e5440c1a60fc2b89 and independently timestamped
in Bitcoin block 960181 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10112776.
Recording identifiers
- ISRC
- USSM10112776
- Title
- Cello Concerto: II. Blues
- Artist
- John Williams
- CopyrightID (CopyrightChains transaction hash)
0x1e4f5f96992dfdf3fc0da5a3a5d7221a609d1ee9568b7ed2e5440c1a60fc2b89
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:53:20+00:00
- Bitcoin block
- 960181
- Canonical record hash
sha256:543acf3f836398bab4de2b6a8439444b95dcd8d4619a485fbaee6a472fb2f124- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10112776
- Bitcoin block existence check
- https://blockstream.info/api/block/960181
Full record
Track page: Cello Concerto: II. Blues · Machine-readable JSON-LD