ISRC USBC18000295
Verified recording
USBC18000295 is “Fantasia in C Minor, Op. 7: Variations 1 to 7” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0x283ef824445ba054ccd3d7e7b2de297521f271909190c2ae4e72371364f4784a and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18000295.
Recording identifiers
- ISRC
- USBC18000295
- Title
- Fantasia in C Minor, Op. 7: Variations 1 to 7
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0x283ef824445ba054ccd3d7e7b2de297521f271909190c2ae4e72371364f4784a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:543a671784fc44d07d613addcaf17d5902440835c8e134cbbd1307ae341663a5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18000295
- Bitcoin block existence check
- https://blockstream.info/api/block/960481
Full record
Track page: Fantasia in C Minor, Op. 7: Variations 1 to 7 · Machine-readable JSON-LD