ISRC NLA507510150

Verified recording

NLA507510150 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 0xdb570698194c9b41f07feba8485fcecbffd7fb0711465d3b2486d94505b33dbd and independently timestamped in Bitcoin block 960209 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507510150.

Recording identifiers

ISRC
NLA507510150
Title
Piano Sonata No. 2 in B flat minor, Op. 35: 3. Marche funèbre (Lento)
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0xdb570698194c9b41f07feba8485fcecbffd7fb0711465d3b2486d94505b33dbd

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T05:15:54+00:00
Bitcoin block
960209
Canonical record hash
sha256:1545d615982fcad88e5990a13803bc9354e779e30a8b7b7b60c7c5153ca895a6
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507510150
Bitcoin block existence check
https://blockstream.info/api/block/960209

Full record

Track page: Piano Sonata No. 2 in B flat minor, Op. 35: 3. Marche funèbre (Lento) · Machine-readable JSON-LD