ISRC GBF077540203
Verified recording
GBF077540203 is “Porgy and Bess / Act 1: "A Woman Is a Sometime Thing"” by George Gershwin,
registered on the CopyrightChains blockchain with CopyrightID
0x659574d7d15bc787236903aa72cd11c486c9fa2d71e345b35f0b3dd2121d173b 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/GBF077540203.
Recording identifiers
- ISRC
- GBF077540203
- Title
- Porgy and Bess / Act 1: "A Woman Is a Sometime Thing"
- Artist
- George Gershwin
- CopyrightID (CopyrightChains transaction hash)
0x659574d7d15bc787236903aa72cd11c486c9fa2d71e345b35f0b3dd2121d173b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b975ce27cad2a2fe6ca64648fb2de79995586951ca7e599bb16429dfd73056e9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077540203
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Porgy and Bess / Act 1: "A Woman Is a Sometime Thing" · Machine-readable JSON-LD