ISRC DEF055502442
Verified recording
DEF055502442 is “Sonata in F Major, K. 547a: II. Allegretto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x882026893e3946316aab83d6eb5a11c54ee761004979af872dd9104282f273d6 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055502442.
Recording identifiers
- ISRC
- DEF055502442
- Title
- Sonata in F Major, K. 547a: II. Allegretto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x882026893e3946316aab83d6eb5a11c54ee761004979af872dd9104282f273d6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:0d12094109f65f19f20d5a76ca92b566237ffceb20b217d071ff53db8167b04f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055502442
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Sonata in F Major, K. 547a: II. Allegretto · Machine-readable JSON-LD