ISRC FRX201644664
Verified recording
FRX201644664 is “String Quartet No. 31 in E-Flat Major, Op. 20 No. 1, Hob. III:31 "Sun Quartet No. 1": I. Allegro moderato” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xa8630fe0eea164487adc0ac0f2ff104268733d3e4689980e8f9c5587a796f2a1 and independently timestamped
in Bitcoin block 957041 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201644664.
Recording identifiers
- ISRC
- FRX201644664
- Title
- String Quartet No. 31 in E-Flat Major, Op. 20 No. 1, Hob. III:31 "Sun Quartet No. 1": I. Allegro moderato
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xa8630fe0eea164487adc0ac0f2ff104268733d3e4689980e8f9c5587a796f2a1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T13:25:45+00:00
- Bitcoin block
- 957041
- Canonical record hash
sha256:83c7ed378861d8b67f3614e29ffdd706de2838388d66731dcb1b4bf1f152d580- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201644664
- Bitcoin block existence check
- https://blockstream.info/api/block/957041
Full record
Track page: String Quartet No. 31 in E-Flat Major, Op. 20 No. 1, Hob. III:31 "Sun Quartet No. 1": I. Allegro moderato · Machine-readable JSON-LD