ISRC USSM17800604
Verified recording
USSM17800604 is “String Quartet No. 3 in C Major, Hob. III:77 "Emperor": IV. Finale - Vivace assai” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x56e4ede3ead0622d3658b285aa23bf121efc87f77b2fd5afe7902ecde827963e and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM17800604.
Recording identifiers
- ISRC
- USSM17800604
- Title
- String Quartet No. 3 in C Major, Hob. III:77 "Emperor": IV. Finale - Vivace assai
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x56e4ede3ead0622d3658b285aa23bf121efc87f77b2fd5afe7902ecde827963e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:37d4274d217f8d7620ebe37b4998c9d0e3c5d5aacbf339a48e008302bbe0a0a7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM17800604
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: String Quartet No. 3 in C Major, Hob. III:77 "Emperor": IV. Finale - Vivace assai · Machine-readable JSON-LD