ISRC DEF056000660
Verified recording
DEF056000660 is “12 Variations in C Major on "Ah, vous dirai-je Maman", K. 265/300e” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x21dfd18755e0efa849dbfb304d1e567acdc2196135a145fe7097e041645e347e 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/DEF056000660.
Recording identifiers
- ISRC
- DEF056000660
- Title
- 12 Variations in C Major on "Ah, vous dirai-je Maman", K. 265/300e
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x21dfd18755e0efa849dbfb304d1e567acdc2196135a145fe7097e041645e347e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:4eeb3d24aaeb1a62a301d68dfbd8907598e87cfb97ffa4ee737ac63e92c6645b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000660
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 12 Variations in C Major on "Ah, vous dirai-je Maman", K. 265/300e · Machine-readable JSON-LD