ISRC FRU621734602
Verified recording
FRU621734602 is “String Quartet No. 1, Op. 41: II. Scherzo. Presto” by Robert Schumann,
registered on the CopyrightChains blockchain with CopyrightID
0x049e2eca869128c1198ca5902b5ee68b28d8b5abe0c7cb22e17fa08333a8c17d 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/FRU621734602.
Recording identifiers
- ISRC
- FRU621734602
- Title
- String Quartet No. 1, Op. 41: II. Scherzo. Presto
- Artist
- Robert Schumann
- CopyrightID (CopyrightChains transaction hash)
0x049e2eca869128c1198ca5902b5ee68b28d8b5abe0c7cb22e17fa08333a8c17d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:b0394c5be16e60afbd736b58f08afe33d0661453a8714e0bae8db989ff5c16ef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621734602
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: String Quartet No. 1, Op. 41: II. Scherzo. Presto · Machine-readable JSON-LD