ISRC USLZJ2299189
Verified recording
USLZJ2299189 is “Chopin Waltz A Minor Op.34 No.2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xfcc33c8c2058d1ef295e1f85a736c2306a19a006f3ff7af7f0325fc769069b09 and independently timestamped
in Bitcoin block 960503 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLZJ2299189.
Recording identifiers
- ISRC
- USLZJ2299189
- Title
- Chopin Waltz A Minor Op.34 No.2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xfcc33c8c2058d1ef295e1f85a736c2306a19a006f3ff7af7f0325fc769069b09
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:41:24+00:00
- Bitcoin block
- 960503
- Canonical record hash
sha256:91c0ca8ade35d136122778464fb310b73a729b2a1f6fcce0f88290ac4f499265- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLZJ2299189
- Bitcoin block existence check
- https://blockstream.info/api/block/960503
Full record
Track page: Chopin Waltz A Minor Op.34 No.2 · Machine-readable JSON-LD