ISRC HKI191025201
Verified recording
HKI191025201 is “Serenade, Op. 2: I. March: Allegro moderato - Tempo di marcia - Trio: Meno mosso” by Mieczysław Karłowicz,
registered on the CopyrightChains blockchain with CopyrightID
0x348f2208f7760898fb1b78a118ee03677805fb3c75201c5d47a17b1f230cfcf4 and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191025201.
Recording identifiers
- ISRC
- HKI191025201
- Title
- Serenade, Op. 2: I. March: Allegro moderato - Tempo di marcia - Trio: Meno mosso
- Artist
- Mieczysław Karłowicz
- CopyrightID (CopyrightChains transaction hash)
0x348f2208f7760898fb1b78a118ee03677805fb3c75201c5d47a17b1f230cfcf4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:ddaa710a4007fe5fb0b767fe80b9e7d1a28e6d54268ae5db5a6d88f4b25a2681- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191025201
- Bitcoin block existence check
- https://blockstream.info/api/block/959144
Full record
Track page: Serenade, Op. 2: I. March: Allegro moderato - Tempo di marcia - Trio: Meno mosso · Machine-readable JSON-LD