ISRC GBBBC2301578
Verified recording
GBBBC2301578 is “Jasbo Brown Blues (Arr. Firth for 2 Pianos) - From "Porgy & Bess"” by George Gershwin,
registered on the CopyrightChains blockchain with CopyrightID
0xf4a61ac2849a7860a79117fce860a743c3fe3aab2b55e3b498d35c91202e7062 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2301578.
Recording identifiers
- ISRC
- GBBBC2301578
- Title
- Jasbo Brown Blues (Arr. Firth for 2 Pianos) - From "Porgy & Bess"
- Artist
- George Gershwin
- CopyrightID (CopyrightChains transaction hash)
0xf4a61ac2849a7860a79117fce860a743c3fe3aab2b55e3b498d35c91202e7062
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a3d7cfd95fa328a848ca0bf49abbdcc2f93ed4c3e8a0fed9db2e8d7e99da4397- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2301578
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Jasbo Brown Blues (Arr. Firth for 2 Pianos) - From "Porgy & Bess" · Machine-readable JSON-LD