ISRC FR50X1523203
Verified recording
FR50X1523203 is “Concerto for Orchestra: III. Passacaglia, toccata e corale (Allegro con moto - Allegro giusto)” by Witold Lutosławski,
registered on the CopyrightChains blockchain with CopyrightID
0x9895ffffb64f80d1295cf72b3614a5c8510f0245e0622067d7b5f7817c499b89 and independently timestamped
in Bitcoin block 960309 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1523203.
Recording identifiers
- ISRC
- FR50X1523203
- Title
- Concerto for Orchestra: III. Passacaglia, toccata e corale (Allegro con moto - Allegro giusto)
- Artist
- Witold Lutosławski
- CopyrightID (CopyrightChains transaction hash)
0x9895ffffb64f80d1295cf72b3614a5c8510f0245e0622067d7b5f7817c499b89
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:35:49+00:00
- Bitcoin block
- 960309
- Canonical record hash
sha256:f179046cf6a658d93845c36a381657bf489764fb8afbaad8768cacb2b1a3e9a2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1523203
- Bitcoin block existence check
- https://blockstream.info/api/block/960309
Full record
Track page: Concerto for Orchestra: III. Passacaglia, toccata e corale (Allegro con moto - Allegro giusto) · Machine-readable JSON-LD