ISRC USSM11805784
Verified recording
USSM11805784 is “String Quartet No. 1 in C Major, Op. 1, No. 1: II. Rondeau: Tempo di minuetto; Grazioso” by Joseph Boulogne Chevalier de Saint-Georges,
registered on the CopyrightChains blockchain with CopyrightID
0xea2297ecc443434e480ffcc66f421793ee7adc9fc1471bc812c41d6ba0322804 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11805784.
Recording identifiers
- ISRC
- USSM11805784
- Title
- String Quartet No. 1 in C Major, Op. 1, No. 1: II. Rondeau: Tempo di minuetto; Grazioso
- Artist
- Joseph Boulogne Chevalier de Saint-Georges
- CopyrightID (CopyrightChains transaction hash)
0xea2297ecc443434e480ffcc66f421793ee7adc9fc1471bc812c41d6ba0322804
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:30acfe3c9a4340b786db2c51fc92de594b0f2c8b6aa60f9cfe4bc1a8eb35b010- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11805784
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: String Quartet No. 1 in C Major, Op. 1, No. 1: II. Rondeau: Tempo di minuetto; Grazioso · Machine-readable JSON-LD