ISRC USSM10206308

Verified recording

USSM10206308 is “String Quartet No. 1 (1951): II. Allegro scorrevole (quarter note=135) {m.1)” by Elliott Carter, registered on the CopyrightChains blockchain with CopyrightID 0xda357fb3340ca7035eaf3c01ffbc21d8ac6738946268e67af0dcb5fbd0326e41 and independently timestamped in Bitcoin block 960489 on 2026-08-01. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10206308.

Recording identifiers

ISRC
USSM10206308
Title
String Quartet No. 1 (1951): II. Allegro scorrevole (quarter note=135) {m.1)
Artist
Elliott Carter
CopyrightID (CopyrightChains transaction hash)
0xda357fb3340ca7035eaf3c01ffbc21d8ac6738946268e67af0dcb5fbd0326e41

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-08-01T00:40:43+00:00
Bitcoin block
960489
Canonical record hash
sha256:d3ed01937f4a0fcae6de389d35f195141d910e7ac81b8fad114cb7853f51027a
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10206308
Bitcoin block existence check
https://blockstream.info/api/block/960489

Full record

Track page: String Quartet No. 1 (1951): II. Allegro scorrevole (quarter note=135) {m.1) · Machine-readable JSON-LD