ISRC CALC41302118
Verified recording
CALC41302118 is “Concerto For Flute and Harp In C Major, K. 299: II. Andantino” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x968b1f1f266b6def24e6a6490f6bfa4663d494141ab542a39304c15e0acee5d1 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/CALC41302118.
Recording identifiers
- ISRC
- CALC41302118
- Title
- Concerto For Flute and Harp In C Major, K. 299: II. Andantino
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x968b1f1f266b6def24e6a6490f6bfa4663d494141ab542a39304c15e0acee5d1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:674930f4d11f9f48bdb8aae27bc1ccd237bd696e483bd036892eb1559d8bbc84- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41302118
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Concerto For Flute and Harp In C Major, K. 299: II. Andantino · Machine-readable JSON-LD