ISRC USB8U1612649
Verified recording
USB8U1612649 is “Concerto for Flute and Harp in C Major, K. 299: II. Andantino” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x824864dac07ee4a62d12cbdc78b895ce011d67b203beb14ad51a44917a8aabbb and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612649.
Recording identifiers
- ISRC
- USB8U1612649
- Title
- Concerto for Flute and Harp in C Major, K. 299: II. Andantino
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x824864dac07ee4a62d12cbdc78b895ce011d67b203beb14ad51a44917a8aabbb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4d36c1af3a9b858e01f7b43a906e089f59e377eb93d53d7cd5599c4b2490eab4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612649
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto for Flute and Harp in C Major, K. 299: II. Andantino · Machine-readable JSON-LD