ISRC USSM10206315
Verified recording
USSM10206315 is “String Quartet No. 2 (1959): Cadenza for Cello (m.243)” by Elliott Carter,
registered on the CopyrightChains blockchain with CopyrightID
0x04c47b4635b4e08f5b7fcb7e7fab714ed83c0c769fb701cf31d5d4e9e380ab75 and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10206315.
Recording identifiers
- ISRC
- USSM10206315
- Title
- String Quartet No. 2 (1959): Cadenza for Cello (m.243)
- Artist
- Elliott Carter
- CopyrightID (CopyrightChains transaction hash)
0x04c47b4635b4e08f5b7fcb7e7fab714ed83c0c769fb701cf31d5d4e9e380ab75
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:c1c37ef520f9a22fbefc2afbfdd34b85342a07ee408af2d302f6759b1d8c66b6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10206315
- Bitcoin block existence check
- https://blockstream.info/api/block/960500
Full record
Track page: String Quartet No. 2 (1959): Cadenza for Cello (m.243) · Machine-readable JSON-LD