ISRC USZGD9200133
Verified recording
USZGD9200133 is “Piano Concerto No. 1 in D Minor, Op. 61: I. Allegro maestoso” by Friedrich Kalkbrenner,
registered on the CopyrightChains blockchain with CopyrightID
0xfee38cedc6a7083a6fd46f3008b57813419e41c14cca1b0407c0003c8394d52b and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZGD9200133.
Recording identifiers
- ISRC
- USZGD9200133
- Title
- Piano Concerto No. 1 in D Minor, Op. 61: I. Allegro maestoso
- Artist
- Friedrich Kalkbrenner
- CopyrightID (CopyrightChains transaction hash)
0xfee38cedc6a7083a6fd46f3008b57813419e41c14cca1b0407c0003c8394d52b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:7447f19cfd544308308c3f464b909c2476e8a88a1f73e566912fd8038f99afed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZGD9200133
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Piano Concerto No. 1 in D Minor, Op. 61: I. Allegro maestoso · Machine-readable JSON-LD