ISRC GBBBC2301571
Verified recording
GBBBC2301571 is “Sleepless Night (Arr. Firth for 2 Pianos)” by George Gershwin,
registered on the CopyrightChains blockchain with CopyrightID
0xf5a599424901df2f81344abcda7e59b59fa901738521694cbb1e714aded3c788 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2301571.
Recording identifiers
- ISRC
- GBBBC2301571
- Title
- Sleepless Night (Arr. Firth for 2 Pianos)
- Artist
- George Gershwin
- CopyrightID (CopyrightChains transaction hash)
0xf5a599424901df2f81344abcda7e59b59fa901738521694cbb1e714aded3c788
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:5e3561d4b2c6bdef7c66591f8bc128eadfaba63ddaf2c20e327d11a99ca1c205- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2301571
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Sleepless Night (Arr. Firth for 2 Pianos) · Machine-readable JSON-LD