ISRC HKI199706912
Verified recording
HKI199706912 is “Polonaise No. 6 in A-Flat Major, Op. 53 "Heroic"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x040b61a21506b2a33c11e595239643443f72f9c3fdb9d1365ce31cb5f7558f90 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199706912.
Recording identifiers
- ISRC
- HKI199706912
- Title
- Polonaise No. 6 in A-Flat Major, Op. 53 "Heroic"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x040b61a21506b2a33c11e595239643443f72f9c3fdb9d1365ce31cb5f7558f90
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:67472816c6031d82e7f650d27041948d59ff72bd7745b7043c9bb2d8ac2c6a9d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199706912
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Polonaise No. 6 in A-Flat Major, Op. 53 "Heroic" · Machine-readable JSON-LD