ISRC USB8U1009979
Verified recording
USB8U1009979 is “Piano Concerto No. 1 in E minor, Op. 11: III. Rondo: Vivace” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x60d591e35b3633b77e819025b740d5679de7664684d423bf8a7c9185fa89d448 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1009979.
Recording identifiers
- ISRC
- USB8U1009979
- Title
- Piano Concerto No. 1 in E minor, Op. 11: III. Rondo: Vivace
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x60d591e35b3633b77e819025b740d5679de7664684d423bf8a7c9185fa89d448
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f3492e62a849c9b09e4259308adfac3395acb70dd614a885f24b36ef55787e1b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1009979
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 1 in E minor, Op. 11: III. Rondo: Vivace · Machine-readable JSON-LD