ISRC NLA507510120
Verified recording
NLA507510120 is “Piano Sonata No. 2 in B flat minor, Op. 35: 1. Grave - Doppio movimento” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1138807c2b9004cdb52a024f9efd2c07d46b0fd5fa2bb924a32006c49fead4ab and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507510120.
Recording identifiers
- ISRC
- NLA507510120
- Title
- Piano Sonata No. 2 in B flat minor, Op. 35: 1. Grave - Doppio movimento
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1138807c2b9004cdb52a024f9efd2c07d46b0fd5fa2bb924a32006c49fead4ab
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:010cc3e7db1d204a95d535ec0aa497e4864f752f073a05d7d3c7d8eb742bdea8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507510120
- Bitcoin block existence check
- https://blockstream.info/api/block/960481
Full record
Track page: Piano Sonata No. 2 in B flat minor, Op. 35: 1. Grave - Doppio movimento · Machine-readable JSON-LD