ISRC HKI199276902
Verified recording
HKI199276902 is “Piano Concerto No. 23 in A Major, K. 488: II. Adagio” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x543cf7c80e36778f3c88fde8c5e4392179515504c2e8ae098bf5b1991abc3d46 and independently timestamped
in Bitcoin block 956891 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199276902.
Recording identifiers
- ISRC
- HKI199276902
- Title
- Piano Concerto No. 23 in A Major, K. 488: II. Adagio
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x543cf7c80e36778f3c88fde8c5e4392179515504c2e8ae098bf5b1991abc3d46
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T07:16:32+00:00
- Bitcoin block
- 956891
- Canonical record hash
sha256:f5f4a03304ca28dab17860ffc935d5832be099f074d27a2600a85f9c198cb362- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199276902
- Bitcoin block existence check
- https://blockstream.info/api/block/956891
Full record
Track page: Piano Concerto No. 23 in A Major, K. 488: II. Adagio · Machine-readable JSON-LD