ISRC FRZ208800003
Verified recording
FRZ208800003 is “Mozart: Serenade No. 7 in D Major, K. 250 "Haffner": III. Menuetto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xdefc4ddfd0d7214e8e7d41c5eb468892d08758f224d3e666a9ff8bb8ed318bf4 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208800003.
Recording identifiers
- ISRC
- FRZ208800003
- Title
- Mozart: Serenade No. 7 in D Major, K. 250 "Haffner": III. Menuetto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xdefc4ddfd0d7214e8e7d41c5eb468892d08758f224d3e666a9ff8bb8ed318bf4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:01891b98134d12e29870e1651cf51356cfa2ea939f6a807d1c73b411fd1b7152- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208800003
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Mozart: Serenade No. 7 in D Major, K. 250 "Haffner": III. Menuetto · Machine-readable JSON-LD