ISRC NLY331505373
Verified recording
NLY331505373 is “Grande fantaisie sur des airs polonais in A Major, Op. 13” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc9e48919ed473fd24c4b212199a7cbcf0e2b3d984e19d9e3161d8a3c9d112b5e and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331505373.
Recording identifiers
- ISRC
- NLY331505373
- Title
- Grande fantaisie sur des airs polonais in A Major, Op. 13
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc9e48919ed473fd24c4b212199a7cbcf0e2b3d984e19d9e3161d8a3c9d112b5e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:dc8828cf50be395d3a6a2598563184c1f3cbb54fc25fb050cb4c3a925bac78ec- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331505373
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Grande fantaisie sur des airs polonais in A Major, Op. 13 · Machine-readable JSON-LD