ISRC DEF056000652
Verified recording
DEF056000652 is “Piano Sonata No. 2 in F Major, K. 280: II. Adagio” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x9b2a5baeaf9fcf0194c54365f120ff35eea466f3db762f8e7a66b149f9761a47 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000652.
Recording identifiers
- ISRC
- DEF056000652
- Title
- Piano Sonata No. 2 in F Major, K. 280: II. Adagio
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x9b2a5baeaf9fcf0194c54365f120ff35eea466f3db762f8e7a66b149f9761a47
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:862cdd8a61dfedb2fbfd16e71c53e1f99af9a4f1e5c943924fa51ca8f9d2de55- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000652
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Sonata No. 2 in F Major, K. 280: II. Adagio · Machine-readable JSON-LD