ISRC NLA508011601
Verified recording
NLA508011601 is “Piano Concerto No. 2 in F Minor, Op. 21: I. Maestoso” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa71f8355db7b3b773767e64392227ad54632aeb7852d342cca1a255ef4724cff 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/NLA508011601.
Recording identifiers
- ISRC
- NLA508011601
- Title
- Piano Concerto No. 2 in F Minor, Op. 21: I. Maestoso
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa71f8355db7b3b773767e64392227ad54632aeb7852d342cca1a255ef4724cff
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:e023477d5be75023b8ae6ee3f9f079e5be8e0a9c007eb30266bcd9069832433b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508011601
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Piano Concerto No. 2 in F Minor, Op. 21: I. Maestoso · Machine-readable JSON-LD