ISRC FRU622158804
Verified recording
FRU622158804 is “String quartet No. 1, D. 18: IV. Presto” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x8cb0bf49e6cf71be7bccd9c5b6534a90666e457466d5aa94b7d22f26d55aab5e 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/FRU622158804.
Recording identifiers
- ISRC
- FRU622158804
- Title
- String quartet No. 1, D. 18: IV. Presto
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x8cb0bf49e6cf71be7bccd9c5b6534a90666e457466d5aa94b7d22f26d55aab5e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:453c03f35db75ab86a878bc585fda73309d3eb8992830de2140a1ae9ae241ca7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU622158804
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: String quartet No. 1, D. 18: IV. Presto · Machine-readable JSON-LD