ISRC USSM11900690
Verified recording
USSM11900690 is “String Quartet in E-Flat Major, Op. 53, No. 1, G. 236: II. Tempo di minuetto” by Luigi Boccherini,
registered on the CopyrightChains blockchain with CopyrightID
0x1a56cf81d1b384ff21fbcbba1eca4af7a288a97a7ffe3af1d26e0b288875d302 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11900690.
Recording identifiers
- ISRC
- USSM11900690
- Title
- String Quartet in E-Flat Major, Op. 53, No. 1, G. 236: II. Tempo di minuetto
- Artist
- Luigi Boccherini
- CopyrightID (CopyrightChains transaction hash)
0x1a56cf81d1b384ff21fbcbba1eca4af7a288a97a7ffe3af1d26e0b288875d302
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:e69099022199a797837aabaafaeaf265c4c7e064b9092515cacbcd6d3bfbf6b8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11900690
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: String Quartet in E-Flat Major, Op. 53, No. 1, G. 236: II. Tempo di minuetto · Machine-readable JSON-LD