ISRC NLA507510122
Verified recording
NLA507510122 is “Piano Sonata No. 2 in B flat minor, Op. 35: 3. Marche funèbre (Lento)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa3497fbf9c6a73f11396de7202a6bb57491c7f7b79f7ffe877b662b1668a7bdb and independently timestamped
in Bitcoin block 960489 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507510122.
Recording identifiers
- ISRC
- NLA507510122
- Title
- Piano Sonata No. 2 in B flat minor, Op. 35: 3. Marche funèbre (Lento)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa3497fbf9c6a73f11396de7202a6bb57491c7f7b79f7ffe877b662b1668a7bdb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:535c05cbf5b99135272f74fae6f5c114466c29849f81bfecc421a4418a6142de- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507510122
- Bitcoin block existence check
- https://blockstream.info/api/block/960489
Full record
Track page: Piano Sonata No. 2 in B flat minor, Op. 35: 3. Marche funèbre (Lento) · Machine-readable JSON-LD