ISRC HKI199273903
Verified recording
HKI199273903 is “Church Sonata in C Major, K. 328” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xf3388f0abf6564604e4b59b0179f1efc5c6b2369d46f9f9bffab387d7ca8e4af and independently timestamped
in Bitcoin block 960311 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199273903.
Recording identifiers
- ISRC
- HKI199273903
- Title
- Church Sonata in C Major, K. 328
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xf3388f0abf6564604e4b59b0179f1efc5c6b2369d46f9f9bffab387d7ca8e4af
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:45:02+00:00
- Bitcoin block
- 960311
- Canonical record hash
sha256:4f2ff6585a348ad986556d904f3bcefb7da657bf43bb9bb66e5fbdf2b988490c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199273903
- Bitcoin block existence check
- https://blockstream.info/api/block/960311
Full record
Track page: Church Sonata in C Major, K. 328 · Machine-readable JSON-LD