ISRC FRZ140815040
Verified recording
FRZ140815040 is “String Quartet in B minor, Hob.III:37: IV. Finale (Presto)” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x86340598c2a73ef0752c61b9bf6efd0718c156d72b51891114fb4cd235b7a3c2 and independently timestamped
in Bitcoin block 960349 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140815040.
Recording identifiers
- ISRC
- FRZ140815040
- Title
- String Quartet in B minor, Hob.III:37: IV. Finale (Presto)
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x86340598c2a73ef0752c61b9bf6efd0718c156d72b51891114fb4cd235b7a3c2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:23:41+00:00
- Bitcoin block
- 960349
- Canonical record hash
sha256:52347c0c5bf36b292cbd5853b34bdc0d548ae6be90e9f01fdb7e99f58ca1d155- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140815040
- Bitcoin block existence check
- https://blockstream.info/api/block/960349
Full record
Track page: String Quartet in B minor, Hob.III:37: IV. Finale (Presto) · Machine-readable JSON-LD