ISRC HKI199231904
Verified recording
HKI199231904 is “Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x72a82d87e3e2a0d52c45b6bcba490a4e00499ed8487b85b61a3b2288bfbc4a1e and independently timestamped
in Bitcoin block 960212 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199231904.
Recording identifiers
- ISRC
- HKI199231904
- Title
- Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x72a82d87e3e2a0d52c45b6bcba490a4e00499ed8487b85b61a3b2288bfbc4a1e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:43:45+00:00
- Bitcoin block
- 960212
- Canonical record hash
sha256:ea3bc412d7f7e378af9196bc43d25f673be2e001b9b3926f55184b21c297de98- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199231904
- Bitcoin block existence check
- https://blockstream.info/api/block/960212
Full record
Track page: Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto · Machine-readable JSON-LD