ISRC HKI192404870
Verified recording
HKI192404870 is “Piano Concerto No. 25 in C Major, K. 503: III. Allegretto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x1c5fcd77bf13f4a08ad2c94bd77eda806c543b07b086948eb10e3ff17f321dde and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192404870.
Recording identifiers
- ISRC
- HKI192404870
- Title
- Piano Concerto No. 25 in C Major, K. 503: III. Allegretto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x1c5fcd77bf13f4a08ad2c94bd77eda806c543b07b086948eb10e3ff17f321dde
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:3ff0c94a3a5e9aeb9cba79642b82a82bb5b8858dc9736e7946fcce7c8e4e0f81- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192404870
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Piano Concerto No. 25 in C Major, K. 503: III. Allegretto · Machine-readable JSON-LD