ISRC HKI192404868
Verified recording
HKI192404868 is “Piano Concerto No. 25 in C Major, K. 503: I. Allegro maestoso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x6f61d12270267362ee993ec6121f9c695288cdf4ccc7f4768d6520c908d96c75 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192404868.
Recording identifiers
- ISRC
- HKI192404868
- Title
- Piano Concerto No. 25 in C Major, K. 503: I. Allegro maestoso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x6f61d12270267362ee993ec6121f9c695288cdf4ccc7f4768d6520c908d96c75
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:9510d56328b8b17a3066ea6be88cbaaf7f4810cc22209f98cf2369867cf10758- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192404868
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Piano Concerto No. 25 in C Major, K. 503: I. Allegro maestoso · Machine-readable JSON-LD