ISRC USSM10206306
Verified recording
USSM10206306 is “String Quartet No. 1 (1951): I. Fantasia: Maestoso (quarter note=72) {m.1} *” by Elliott Carter,
registered on the CopyrightChains blockchain with CopyrightID
0x519e67209344d9be78e6ff5b9497282b2baf45398a73a9f6e6d75e11023fa813 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10206306.
Recording identifiers
- ISRC
- USSM10206306
- Title
- String Quartet No. 1 (1951): I. Fantasia: Maestoso (quarter note=72) {m.1} *
- Artist
- Elliott Carter
- CopyrightID (CopyrightChains transaction hash)
0x519e67209344d9be78e6ff5b9497282b2baf45398a73a9f6e6d75e11023fa813
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4dbf63d63118c05edd9bb35c77e516bf1a102837e2a2c16d6d8675de8ec3260c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10206306
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 1 (1951): I. Fantasia: Maestoso (quarter note=72) {m.1} * · Machine-readable JSON-LD