ISRC USSM11900681

Verified recording

USSM11900681 is “String Quartet in B Minor, Op. 58, No. 4, G. 245: I. Allegro molto” by Luigi Boccherini, registered on the CopyrightChains blockchain with CopyrightID 0xa5ef997612019740d0563b92124defa81c9d95b01ac23ca08809d7a2e5018b8b and independently timestamped in Bitcoin block 960185 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11900681.

Recording identifiers

ISRC
USSM11900681
Title
String Quartet in B Minor, Op. 58, No. 4, G. 245: I. Allegro molto
Artist
Luigi Boccherini
CopyrightID (CopyrightChains transaction hash)
0xa5ef997612019740d0563b92124defa81c9d95b01ac23ca08809d7a2e5018b8b

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T01:32:48+00:00
Bitcoin block
960185
Canonical record hash
sha256:d036debd7ffa0f973c4eda1749f3abc608c214839cfb36e485f47d7c89f37ea3
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11900681
Bitcoin block existence check
https://blockstream.info/api/block/960185

Full record

Track page: String Quartet in B Minor, Op. 58, No. 4, G. 245: I. Allegro molto · Machine-readable JSON-LD