ISRC USZGD9200135
Verified recording
USZGD9200135 is “Piano Concerto No. 1 in D Minor, Op. 61: III. Rondo vivace” by Friedrich Kalkbrenner,
registered on the CopyrightChains blockchain with CopyrightID
0xa9580e76b81feb0c4d3630d9c91665f97c3c03c59b3b315f77140407138813c5 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZGD9200135.
Recording identifiers
- ISRC
- USZGD9200135
- Title
- Piano Concerto No. 1 in D Minor, Op. 61: III. Rondo vivace
- Artist
- Friedrich Kalkbrenner
- CopyrightID (CopyrightChains transaction hash)
0xa9580e76b81feb0c4d3630d9c91665f97c3c03c59b3b315f77140407138813c5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:bb3f28dc9289de01b93f4a941c8c03d4c383917e09f60d45e8a3350eda61067e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZGD9200135
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: Piano Concerto No. 1 in D Minor, Op. 61: III. Rondo vivace · Machine-readable JSON-LD