ISRC USSM11900689
Verified recording
USSM11900689 is “String Quartet in E-Flat Major, Op. 53, No. 1, G. 236: I. Allegro” by Luigi Boccherini,
registered on the CopyrightChains blockchain with CopyrightID
0x0fe4039f24a0bbd566c11ecd6702f88ebdb4fd8db7da451cdf7f44d55fef4e76 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/USSM11900689.
Recording identifiers
- ISRC
- USSM11900689
- Title
- String Quartet in E-Flat Major, Op. 53, No. 1, G. 236: I. Allegro
- Artist
- Luigi Boccherini
- CopyrightID (CopyrightChains transaction hash)
0x0fe4039f24a0bbd566c11ecd6702f88ebdb4fd8db7da451cdf7f44d55fef4e76
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:c6c01b14f705414b1b07667d6032ba8242d41af29f70e9ac769579f58e77d3f5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11900689
- Bitcoin block existence check
- https://blockstream.info/api/block/960489
Full record
Track page: String Quartet in E-Flat Major, Op. 53, No. 1, G. 236: I. Allegro · Machine-readable JSON-LD