ISRC QM7281535378
Verified recording
QM7281535378 is “Horn Concerto in E-flat Major, K.417: I. Allegro maestoso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x340907e398b63d3a673a42e6abcf5001d75dd72a0c70d3bb748677ef4a67a929 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/QM7281535378.
Recording identifiers
- ISRC
- QM7281535378
- Title
- Horn Concerto in E-flat Major, K.417: I. Allegro maestoso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x340907e398b63d3a673a42e6abcf5001d75dd72a0c70d3bb748677ef4a67a929
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1c50e83f37a1927f36f492c52f45b7815fcd7d17034014d71a4dfd39b9bf8fae- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM7281535378
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Horn Concerto in E-flat Major, K.417: I. Allegro maestoso · Machine-readable JSON-LD