ISRC NLA506100149
Verified recording
NLA506100149 is “Nocturne No. 2 in E flat, Op. 9 No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8ffaac0704c3a23ea3ca56a02bd87be5dbcc9ca1a42cf95a11b270d1041500cc and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506100149.
Recording identifiers
- ISRC
- NLA506100149
- Title
- Nocturne No. 2 in E flat, Op. 9 No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8ffaac0704c3a23ea3ca56a02bd87be5dbcc9ca1a42cf95a11b270d1041500cc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:ffddde5f7c5ec4db2d8cbfff446f61bf65c52d37a5ed52fb20678c56b9141ad5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506100149
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Nocturne No. 2 in E flat, Op. 9 No. 2 · Machine-readable JSON-LD