ISRC FRZ080800960
Verified recording
FRZ080800960 is “Piano Sonata No. 11 in A Major, K. 331: I. Tema con variazione. Andante grazioso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x7369b6217e3bae405a0d2ae77127987b19e4fb83e161f580832f87fb185b7753 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ080800960.
Recording identifiers
- ISRC
- FRZ080800960
- Title
- Piano Sonata No. 11 in A Major, K. 331: I. Tema con variazione. Andante grazioso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x7369b6217e3bae405a0d2ae77127987b19e4fb83e161f580832f87fb185b7753
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:61a72676e2a9374053e6de789cb6f4197c892dbab57a725822220a191b4e8cf1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ080800960
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 11 in A Major, K. 331: I. Tema con variazione. Andante grazioso · Machine-readable JSON-LD