ISRC HKI199706911
Verified recording
HKI199706911 is “Polonaise No. 3 in A Major, Op. 40, No. 1, "Military"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x73c61a6d1764a61b860d9f015888fae08ea379eaef5e94d76f77b310d00d8fca and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199706911.
Recording identifiers
- ISRC
- HKI199706911
- Title
- Polonaise No. 3 in A Major, Op. 40, No. 1, "Military"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x73c61a6d1764a61b860d9f015888fae08ea379eaef5e94d76f77b310d00d8fca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:944b07125a495f21cbd33b0eeb5c3887d071aa93cfeaab1c6d93a7320d93b4c6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199706911
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Polonaise No. 3 in A Major, Op. 40, No. 1, "Military" · Machine-readable JSON-LD