ISRC FR50X1841602
Verified recording
FR50X1841602 is “Concerto for Two Pianos in B-Flat Major, Op. 63: II. Larghetto sostenuto” by Jan Ladislav Dussek,
registered on the CopyrightChains blockchain with CopyrightID
0x13af2009f10f575793f71e09a181662a0f0ce36f193c434102fd77589bc6a3c8 and independently timestamped
in Bitcoin block 957122 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1841602.
Recording identifiers
- ISRC
- FR50X1841602
- Title
- Concerto for Two Pianos in B-Flat Major, Op. 63: II. Larghetto sostenuto
- Artist
- Jan Ladislav Dussek
- CopyrightID (CopyrightChains transaction hash)
0x13af2009f10f575793f71e09a181662a0f0ce36f193c434102fd77589bc6a3c8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:39:04+00:00
- Bitcoin block
- 957122
- Canonical record hash
sha256:52fcf3901d34aa688575263398c95caf4250b8d4b2b2161f521c97d00ff283ad- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1841602
- Bitcoin block existence check
- https://blockstream.info/api/block/957122
Full record
Track page: Concerto for Two Pianos in B-Flat Major, Op. 63: II. Larghetto sostenuto · Machine-readable JSON-LD