ISRC USSM10206320
Verified recording
USSM10206320 is “String Quartet No. 3 (1971): Duo II: Maestoso (giusto sempre) - Pause - Grazioso - Giusto, meccanico ; Duo I: Furioso (quasi rubato sempre) - Leggerissimo - Andante espressivo - Pause” by Elliott Carter,
registered on the CopyrightChains blockchain with CopyrightID
0x24ff9a6ed5a99396c71fa911b6747170329690e9f919b451c44f4de67067201b and independently timestamped
in Bitcoin block 960494 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10206320.
Recording identifiers
- ISRC
- USSM10206320
- Title
- String Quartet No. 3 (1971): Duo II: Maestoso (giusto sempre) - Pause - Grazioso - Giusto, meccanico ; Duo I: Furioso (quasi rubato sempre) - Leggerissimo - Andante espressivo - Pause
- Artist
- Elliott Carter
- CopyrightID (CopyrightChains transaction hash)
0x24ff9a6ed5a99396c71fa911b6747170329690e9f919b451c44f4de67067201b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T01:44:32+00:00
- Bitcoin block
- 960494
- Canonical record hash
sha256:8f588382a4afc7ec37c8b70dff90770378a8651fe8a0e930af506a3d9b4d8844- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10206320
- Bitcoin block existence check
- https://blockstream.info/api/block/960494
Full record
Track page: String Quartet No. 3 (1971): Duo II: Maestoso (giusto sempre) - Pause - Grazioso - Giusto, meccanico ; Duo I: Furioso (quasi rubato sempre) - Leggerissimo - Andante espressivo - Pause · Machine-readable JSON-LD