ISRC HKI199275203
Verified recording
HKI199275203 is “Serenade No. 7 in D Major, K. 250, "haffner": Ii. Andante (Cadenza by P. Breiner)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x39d2d21a33b1834f30f7e205f91a15604ac2b7cbc33598f450f3e20e35d0e9ba and independently timestamped
in Bitcoin block 960191 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199275203.
Recording identifiers
- ISRC
- HKI199275203
- Title
- Serenade No. 7 in D Major, K. 250, "haffner": Ii. Andante (Cadenza by P. Breiner)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x39d2d21a33b1834f30f7e205f91a15604ac2b7cbc33598f450f3e20e35d0e9ba
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T01:51:26+00:00
- Bitcoin block
- 960191
- Canonical record hash
sha256:c0d9129af4a037887b9c081c7bbb677e217549e3af1182925a0b3946af1ca7f1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199275203
- Bitcoin block existence check
- https://blockstream.info/api/block/960191
Full record
Track page: Serenade No. 7 in D Major, K. 250, "haffner": Ii. Andante (Cadenza by P. Breiner) · Machine-readable JSON-LD