ISRC ITN321515366
Verified recording
ITN321515366 is “Piano Sonata in G Minor, Op. 4 No. 1: III. Rondo: Presto” by Friedrich Kalkbrenner,
registered on the CopyrightChains blockchain with CopyrightID
0xf8599347462be6d43bff71b7785900f2a3fe42a1d0707f4c699349d1d2a6f967 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITN321515366.
Recording identifiers
- ISRC
- ITN321515366
- Title
- Piano Sonata in G Minor, Op. 4 No. 1: III. Rondo: Presto
- Artist
- Friedrich Kalkbrenner
- CopyrightID (CopyrightChains transaction hash)
0xf8599347462be6d43bff71b7785900f2a3fe42a1d0707f4c699349d1d2a6f967
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:dac2010da8c4e96a559a430f8d9b8a36f9573753f8959bdc057a1c24c7c8fd8d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITN321515366
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Piano Sonata in G Minor, Op. 4 No. 1: III. Rondo: Presto · Machine-readable JSON-LD