ISRC USB8U1008337
Verified recording
USB8U1008337 is “Concerto for Flute and Harp in C Major, K. 299: II. Andantino” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x4e32935f45b55a350c1ece72bf4f99c8c9e95a33589d1ec26ddfa6e39249238e 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/USB8U1008337.
Recording identifiers
- ISRC
- USB8U1008337
- Title
- Concerto for Flute and Harp in C Major, K. 299: II. Andantino
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x4e32935f45b55a350c1ece72bf4f99c8c9e95a33589d1ec26ddfa6e39249238e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:c508612e2f392ef8179ed76d9e16964ea3057ff3bc4c58dce0b7a26730cf225f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1008337
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Concerto for Flute and Harp in C Major, K. 299: II. Andantino · Machine-readable JSON-LD