ISRC HKI199273505
Verified recording
HKI199273505 is “Serenade No. 9 in D Major, K. 320, "posthorn": Andantino” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x009f2ec5318acd67f2c1e254531d6d89c94c5966b2010fbac3dd53a56eaff4a1 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/HKI199273505.
Recording identifiers
- ISRC
- HKI199273505
- Title
- Serenade No. 9 in D Major, K. 320, "posthorn": Andantino
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x009f2ec5318acd67f2c1e254531d6d89c94c5966b2010fbac3dd53a56eaff4a1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:71a61cfa4433be39402869deec1189996b82fe7ff1efb62b39cc07efc56c56fb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199273505
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Serenade No. 9 in D Major, K. 320, "posthorn": Andantino · Machine-readable JSON-LD