ISRC USSM10206311
Verified recording
USSM10206311 is “String Quartet No. 2 (1959): Introduction (quarter note=105) (m.1)” by Elliott Carter,
registered on the CopyrightChains blockchain with CopyrightID
0xa97ea5fc28e6557fc1f6ae4abbae7277176edf5c65d95fc1878c410d0fd0d349 and independently timestamped
in Bitcoin block 960360 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10206311.
Recording identifiers
- ISRC
- USSM10206311
- Title
- String Quartet No. 2 (1959): Introduction (quarter note=105) (m.1)
- Artist
- Elliott Carter
- CopyrightID (CopyrightChains transaction hash)
0xa97ea5fc28e6557fc1f6ae4abbae7277176edf5c65d95fc1878c410d0fd0d349
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:42:11+00:00
- Bitcoin block
- 960360
- Canonical record hash
sha256:616a4780183cf24a416bd985155f06cfce2c78efb070328f80d486c1e75c70e3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10206311
- Bitcoin block existence check
- https://blockstream.info/api/block/960360
Full record
Track page: String Quartet No. 2 (1959): Introduction (quarter note=105) (m.1) · Machine-readable JSON-LD