ISRC DEN961305013
Verified recording
DEN961305013 is “Concerto for Piano and Orchestra: III. Eighth Note ca. 85 - Largo” by Witold Lutosławski,
registered on the CopyrightChains blockchain with CopyrightID
0x7227faf5225b6eec52d172779af51b5a5790643a4bd963d82c72af7ea2310220 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961305013.
Recording identifiers
- ISRC
- DEN961305013
- Title
- Concerto for Piano and Orchestra: III. Eighth Note ca. 85 - Largo
- Artist
- Witold Lutosławski
- CopyrightID (CopyrightChains transaction hash)
0x7227faf5225b6eec52d172779af51b5a5790643a4bd963d82c72af7ea2310220
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:eba7aaa433699849d241f73e85ced1fa77e82a11b1a8c42960affd77c34dc213- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961305013
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Concerto for Piano and Orchestra: III. Eighth Note ca. 85 - Largo · Machine-readable JSON-LD