ISRC HKI192404869
Verified recording
HKI192404869 is “Piano Concerto No. 25 in C Major, K. 503: II. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x988bb4de23f2de0eaaf3fc03085b8305ba0c5eb5428a22678ef6afb77214ba0c and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192404869.
Recording identifiers
- ISRC
- HKI192404869
- Title
- Piano Concerto No. 25 in C Major, K. 503: II. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x988bb4de23f2de0eaaf3fc03085b8305ba0c5eb5428a22678ef6afb77214ba0c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:9eff342c9fe6f08d3217e0e27136a0e89437e225ebdaff723f28bbf19c883602- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192404869
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Piano Concerto No. 25 in C Major, K. 503: II. Andante · Machine-readable JSON-LD