ISRC GBBCK1701193
Verified recording
GBBCK1701193 is “Improvisation on a 'Concerto Generator'” by Laurie Spiegel,
registered on the CopyrightChains blockchain with CopyrightID
0xdf9c4476b49a692bff13b86587cff5b50eefe6562426be1b9c0c5a419981884e and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBCK1701193.
Recording identifiers
- ISRC
- GBBCK1701193
- Title
- Improvisation on a 'Concerto Generator'
- Artist
- Laurie Spiegel
- CopyrightID (CopyrightChains transaction hash)
0xdf9c4476b49a692bff13b86587cff5b50eefe6562426be1b9c0c5a419981884e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:e8d96e89cb58609e29bfcf81c443a289d2e79fcd2ca209e5e65d476954dbcf01- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBCK1701193
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Improvisation on a 'Concerto Generator' · Machine-readable JSON-LD