ISRC NLA509708211
Verified recording
NLA509708211 is “Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 (Arr. Cullen for Cello and Orchestra)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa4b826034ae14995d3032995c7686b36d6793a8972cd3183041abc47c766c5e8 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509708211.
Recording identifiers
- ISRC
- NLA509708211
- Title
- Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 (Arr. Cullen for Cello and Orchestra)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa4b826034ae14995d3032995c7686b36d6793a8972cd3183041abc47c766c5e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:4a6fdc93681d7ea062a5600e733d9d2c3f483bf4be6ae975f289efb3ab1f10f2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509708211
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 (Arr. Cullen for Cello and Orchestra) · Machine-readable JSON-LD