ISRC USBC18000296
Verified recording
USBC18000296 is “Introduction & Variations on a Theme by Mozart, Op. 9: Introduction: Andante largo” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0x3e0ea76a52a26c6861b33877f019f9625044e04c125de16e5776a00c7ebe1ce5 and independently timestamped
in Bitcoin block 960422 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18000296.
Recording identifiers
- ISRC
- USBC18000296
- Title
- Introduction & Variations on a Theme by Mozart, Op. 9: Introduction: Andante largo
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0x3e0ea76a52a26c6861b33877f019f9625044e04c125de16e5776a00c7ebe1ce5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:27:29+00:00
- Bitcoin block
- 960422
- Canonical record hash
sha256:05a18d0cfcd51aa8cbb399f8c8305bd11bf86b330afb30ff5d5d2904fbaac682- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18000296
- Bitcoin block existence check
- https://blockstream.info/api/block/960422
Full record
Track page: Introduction & Variations on a Theme by Mozart, Op. 9: Introduction: Andante largo · Machine-readable JSON-LD