ISRC USBC10900673
Verified recording
USBC10900673 is “II. Andantino from Concerto for Flute & Harp, K. 299 in C Major” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x2a6788eee0d20cd7024eca0815f6940f5146352df3455b2af35742c82831b881 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/USBC10900673.
Recording identifiers
- ISRC
- USBC10900673
- Title
- II. Andantino from Concerto for Flute & Harp, K. 299 in C Major
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x2a6788eee0d20cd7024eca0815f6940f5146352df3455b2af35742c82831b881
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9b478455dc8cf1f8d22c322a568f13108c189c70e8001f91bcc85505aef2b430- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10900673
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: II. Andantino from Concerto for Flute & Harp, K. 299 in C Major · Machine-readable JSON-LD