ISRC NLA507722803
Verified recording
NLA507722803 is “Piano Sonata No. 1 in C minor, Op. 4: 3. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc5bf9594de96e33c80c180d3f39a52859af7d695795e22c0624a553a4107b02c and independently timestamped
in Bitcoin block 960497 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507722803.
Recording identifiers
- ISRC
- NLA507722803
- Title
- Piano Sonata No. 1 in C minor, Op. 4: 3. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc5bf9594de96e33c80c180d3f39a52859af7d695795e22c0624a553a4107b02c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T02:22:04+00:00
- Bitcoin block
- 960497
- Canonical record hash
sha256:a62dbc3a18a8dd547ff359eb8fba157ca636d42e4b2fd43bb56b4fab4b65a2b6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507722803
- Bitcoin block existence check
- https://blockstream.info/api/block/960497
Full record
Track page: Piano Sonata No. 1 in C minor, Op. 4: 3. Larghetto · Machine-readable JSON-LD