ISRC HKI191025203
Verified recording
HKI191025203 is “Serenade, Op. 2: III. Waltz: Allegro moderato - Poco piu mosso - Tempo I” by Mieczysław Karłowicz,
registered on the CopyrightChains blockchain with CopyrightID
0x0b4f6723c8fa01e6f56fccb2f41b68a6ce6b4275bde8796de473b86cc609b149 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/HKI191025203.
Recording identifiers
- ISRC
- HKI191025203
- Title
- Serenade, Op. 2: III. Waltz: Allegro moderato - Poco piu mosso - Tempo I
- Artist
- Mieczysław Karłowicz
- CopyrightID (CopyrightChains transaction hash)
0x0b4f6723c8fa01e6f56fccb2f41b68a6ce6b4275bde8796de473b86cc609b149
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:0b769c0eafc72eb89bd3f25ef90d98acda82088892a4275a7964a00d8204bc8c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191025203
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Serenade, Op. 2: III. Waltz: Allegro moderato - Poco piu mosso - Tempo I · Machine-readable JSON-LD