ISRC GBAJY1284303
Verified recording
GBAJY1284303 is “Piano Concerto No. 2 in E Minor, Op. 85: III. Rondo. Allegretto grazioso” by Friedrich Kalkbrenner,
registered on the CopyrightChains blockchain with CopyrightID
0x03c2f8ef31f1cfec45a4f05db1e1074c023323f9e97ee4d4c4857ab15a492112 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY1284303.
Recording identifiers
- ISRC
- GBAJY1284303
- Title
- Piano Concerto No. 2 in E Minor, Op. 85: III. Rondo. Allegretto grazioso
- Artist
- Friedrich Kalkbrenner
- CopyrightID (CopyrightChains transaction hash)
0x03c2f8ef31f1cfec45a4f05db1e1074c023323f9e97ee4d4c4857ab15a492112
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:92a693f159c81b18c40dabfbfb73059d5c3c85a9daec738f01476d4920698423- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY1284303
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 2 in E Minor, Op. 85: III. Rondo. Allegretto grazioso · Machine-readable JSON-LD