ISRC FRZ140815030
Verified recording
FRZ140815030 is “String Quartet in B minor, Hob.III:37: III. Andante” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x2a747c1ca4544aa84a5c7fa20cd04dbb212e94b84902c2812616a8cadc68b70c and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140815030.
Recording identifiers
- ISRC
- FRZ140815030
- Title
- String Quartet in B minor, Hob.III:37: III. Andante
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x2a747c1ca4544aa84a5c7fa20cd04dbb212e94b84902c2812616a8cadc68b70c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:1754b31eb755fe856266e1c1d0794c5f8229b6f49cae99302ce5c7619fd7d632- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140815030
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: String Quartet in B minor, Hob.III:37: III. Andante · Machine-readable JSON-LD