ISRC GBLWD9003104
Verified recording
GBLWD9003104 is “Piano Concerto No. 4 in B-Flat Major, Op. 53, "For the Left Hand": I. Vivace” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0xdffe3c6c744bddbd71f70e6c3f3724c57e1504f4578f7b35e9199e61b2d8d81f and independently timestamped
in Bitcoin block 960157 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD9003104.
Recording identifiers
- ISRC
- GBLWD9003104
- Title
- Piano Concerto No. 4 in B-Flat Major, Op. 53, "For the Left Hand": I. Vivace
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0xdffe3c6c744bddbd71f70e6c3f3724c57e1504f4578f7b35e9199e61b2d8d81f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:12:10+00:00
- Bitcoin block
- 960157
- Canonical record hash
sha256:4512d042eeabb0a7ba12695dbb68efe8c5240f3ebd744ec4b5d0c28625667361- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD9003104
- Bitcoin block existence check
- https://blockstream.info/api/block/960157
Full record
Track page: Piano Concerto No. 4 in B-Flat Major, Op. 53, "For the Left Hand": I. Vivace · Machine-readable JSON-LD