ISRC FR50X1523201
Verified recording
FR50X1523201 is “Concerto for Orchestra: I. Intrada (Allegro maestoso)” by Witold Lutosławski,
registered on the CopyrightChains blockchain with CopyrightID
0x1e0360a50408bd758b1b24bcc9361303be13c20caf28c331a880596274a0f4a9 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/FR50X1523201.
Recording identifiers
- ISRC
- FR50X1523201
- Title
- Concerto for Orchestra: I. Intrada (Allegro maestoso)
- Artist
- Witold Lutosławski
- CopyrightID (CopyrightChains transaction hash)
0x1e0360a50408bd758b1b24bcc9361303be13c20caf28c331a880596274a0f4a9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5dad6d008432482eb8c7795f717bbfbf44e6c136caf2bdf6588c01e2a8b16356- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1523201
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto for Orchestra: I. Intrada (Allegro maestoso) · Machine-readable JSON-LD