ISRC USBC18000298
Verified recording
USBC18000298 is “Introduction & Variations on a Theme by Mozart, Op. 9: Variations I-V” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0xe8116a13a882093c8405eb6c86e3e827629e45dd8e01e51c2d18fe05432023c2 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18000298.
Recording identifiers
- ISRC
- USBC18000298
- Title
- Introduction & Variations on a Theme by Mozart, Op. 9: Variations I-V
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0xe8116a13a882093c8405eb6c86e3e827629e45dd8e01e51c2d18fe05432023c2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:f936a60bef4596b9879fba6e28f6cc1dd9e83295b691e81ec2a571e332ddd9ce- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18000298
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Introduction & Variations on a Theme by Mozart, Op. 9: Variations I-V · Machine-readable JSON-LD