ISRC USSM18100980
Verified recording
USSM18100980 is “String Quartet No. 1 in G Major, Hob. III:75: I. Allegro con spirito” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x5a95ec3eae3c53bee4579c58db6ae5b09fa127218b5781c88844f548d8011ade and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18100980.
Recording identifiers
- ISRC
- USSM18100980
- Title
- String Quartet No. 1 in G Major, Hob. III:75: I. Allegro con spirito
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x5a95ec3eae3c53bee4579c58db6ae5b09fa127218b5781c88844f548d8011ade
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:353f9f104b09d6b99e56bfa59bdf869d97eddc3a1d3ce3cee031662c1d03baba- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18100980
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: String Quartet No. 1 in G Major, Hob. III:75: I. Allegro con spirito · Machine-readable JSON-LD