ISRC HKI199273902
Verified recording
HKI199273902 is “Church Sonata No. 14 in C Major, K. 278: Sonata No. 13 in G Major, K. 274” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xcf122def5d24d692f2a511cc8c1a416ea37bc68c0d40d56726dc6df9bc08fc4d and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199273902.
Recording identifiers
- ISRC
- HKI199273902
- Title
- Church Sonata No. 14 in C Major, K. 278: Sonata No. 13 in G Major, K. 274
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xcf122def5d24d692f2a511cc8c1a416ea37bc68c0d40d56726dc6df9bc08fc4d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0c8649f2e3bf6cdae019c4c40e1fea7ab60969dea6f7751d418fb7c15de7fae7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199273902
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Church Sonata No. 14 in C Major, K. 278: Sonata No. 13 in G Major, K. 274 · Machine-readable JSON-LD