ISRC ITBZ81605659

Verified recording

ITBZ81605659 is “Porgy and Bess, Act I: Jazzbo Brown Blues (version for piano)” by George Gershwin, registered on the CopyrightChains blockchain with CopyrightID 0x674df7ad0f479b102f0901e04a1cbaa243f367a1c8519dfb29cf46b23d350171 and independently timestamped in Bitcoin block 960317 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBZ81605659.

Recording identifiers

ISRC
ITBZ81605659
Title
Porgy and Bess, Act I: Jazzbo Brown Blues (version for piano)
Artist
George Gershwin
CopyrightID (CopyrightChains transaction hash)
0x674df7ad0f479b102f0901e04a1cbaa243f367a1c8519dfb29cf46b23d350171

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T21:35:24+00:00
Bitcoin block
960317
Canonical record hash
sha256:72a83be9dd9d15a2c68816f1df8b4fa4e47923f5125cb027c076254b66dab181
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBZ81605659
Bitcoin block existence check
https://blockstream.info/api/block/960317

Full record

Track page: Porgy and Bess, Act I: Jazzbo Brown Blues (version for piano) · Machine-readable JSON-LD