ISRC NLA508011602
Verified recording
NLA508011602 is “Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x80c6cff628cf9d59604264ef081d8548c274372c0ff881efa4b1e84e7e02c669 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508011602.
Recording identifiers
- ISRC
- NLA508011602
- Title
- Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x80c6cff628cf9d59604264ef081d8548c274372c0ff881efa4b1e84e7e02c669
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:76a45b7a38bdbacd448a8dc53babb4ee6930bd909739180ec0d3f1052aadab58- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508011602
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto · Machine-readable JSON-LD