ISRC USSM11206673
Verified recording
USSM11206673 is “Concerto for Flute & Harp in C Major, K. 299: II. Andantino” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x3593f0b80ab9e9951f736d5252b3b5fdd3e54e1023b35527d74beb68ee13479e and independently timestamped
in Bitcoin block 960106 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11206673.
Recording identifiers
- ISRC
- USSM11206673
- Title
- Concerto for Flute & Harp in C Major, K. 299: II. Andantino
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x3593f0b80ab9e9951f736d5252b3b5fdd3e54e1023b35527d74beb68ee13479e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:b1584871b47a87cdae8b7726e8070e9a477f9eb9e5069808c752eb2e56215139- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11206673
- Bitcoin block existence check
- https://blockstream.info/api/block/960106
Full record
Track page: Concerto for Flute & Harp in C Major, K. 299: II. Andantino · Machine-readable JSON-LD