ISRC FRZ130948070
Verified recording
FRZ130948070 is “Piano Concerto No. 21 in C Major, K. 467: II. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xecce2fdf815b54f074be75afdd38a9506fe6dd001d02a924ed6c0eff80a6a7e2 and independently timestamped
in Bitcoin block 960153 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130948070.
Recording identifiers
- ISRC
- FRZ130948070
- Title
- Piano Concerto No. 21 in C Major, K. 467: II. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xecce2fdf815b54f074be75afdd38a9506fe6dd001d02a924ed6c0eff80a6a7e2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:57:12+00:00
- Bitcoin block
- 960153
- Canonical record hash
sha256:1552315c3268910334921539837f72e09986f1dd9f62d48c7495d22c3d14d1af- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130948070
- Bitcoin block existence check
- https://blockstream.info/api/block/960153
Full record
Track page: Piano Concerto No. 21 in C Major, K. 467: II. Andante · Machine-readable JSON-LD