ISRC NLE420801202
Verified recording
NLE420801202 is “Piano Concerto No. 1 in E Minor, Op. 11: II. Romanza - Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7198680b00ef51a6739c9e10375f47f14663ec8324a313d35baabca61c84f4c5 and independently timestamped
in Bitcoin block 960429 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE420801202.
Recording identifiers
- ISRC
- NLE420801202
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: II. Romanza - Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7198680b00ef51a6739c9e10375f47f14663ec8324a313d35baabca61c84f4c5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:07:24+00:00
- Bitcoin block
- 960429
- Canonical record hash
sha256:2a62c1ef72b59927957d18c5ea3d5415187563e1f9135e3a86d43700eda716df- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE420801202
- Bitcoin block existence check
- https://blockstream.info/api/block/960429
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: II. Romanza - Larghetto · Machine-readable JSON-LD