ISRC HKI199294909
Verified recording
HKI199294909 is “Fantasy-impromptu in C-Sharp Minor, Op. 66” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc4a6d72f8bdd85ed5534b79600be8eebae1e06535745ccee973feb1d5ec7b93b and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199294909.
Recording identifiers
- ISRC
- HKI199294909
- Title
- Fantasy-impromptu in C-Sharp Minor, Op. 66
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc4a6d72f8bdd85ed5534b79600be8eebae1e06535745ccee973feb1d5ec7b93b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:68094d412f333d67a613c03e534315001566ac8d697765d8e3fbf69625a92ed1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199294909
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Fantasy-impromptu in C-Sharp Minor, Op. 66 · Machine-readable JSON-LD