ISRC FRU621734601
Verified recording
FRU621734601 is “String Quartet No. 1, Op. 41: I. Introduzione. Andante espressivo - Allegro” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x49219395efc524a4923d39b97146d0f12fe20917df183efc50aa4c5d26e45a38 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621734601.
Recording identifiers
- ISRC
- FRU621734601
- Title
- String Quartet No. 1, Op. 41: I. Introduzione. Andante espressivo - Allegro
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0x49219395efc524a4923d39b97146d0f12fe20917df183efc50aa4c5d26e45a38
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:2fe1c6bfb614093ffcdc007a324bfdfd5d0f2089191d618c147afff7b1b42cea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621734601
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: String Quartet No. 1, Op. 41: I. Introduzione. Andante espressivo - Allegro · Machine-readable JSON-LD