ISRC FRZ131325050
Verified recording
FRZ131325050 is “Piano Concerto No. 1 in E Minor, Op. 11: II. Romanze. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xf9426886b87912dcc59d0821b9a63b49dee781cdffc2c8001c8a88b29c598468 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/FRZ131325050.
Recording identifiers
- ISRC
- FRZ131325050
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: II. Romanze. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xf9426886b87912dcc59d0821b9a63b49dee781cdffc2c8001c8a88b29c598468
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f8b3bbad760cf334b135803904ddd6577e0daf11341d923d8927f5fbe89c702d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131325050
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: II. Romanze. Larghetto · Machine-readable JSON-LD