ISRC GBF077540211
Verified recording
GBF077540211 is “Porgy and Bess / Act 1: "My Man's Gone Now"” by George Gershwin,
registered on the CopyrightChains blockchain with CopyrightID
0xda75da9155dba33c16555cff9f38ee4caa7c252065a1b4265f79a0f970d49d3b 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/GBF077540211.
Recording identifiers
- ISRC
- GBF077540211
- Title
- Porgy and Bess / Act 1: "My Man's Gone Now"
- Artist
- George Gershwin
- CopyrightID (CopyrightChains transaction hash)
0xda75da9155dba33c16555cff9f38ee4caa7c252065a1b4265f79a0f970d49d3b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e94e06d4d9646ff1834e3f8865c1b04075db68483fdbfa510a972f07fc592be2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077540211
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Porgy and Bess / Act 1: "My Man's Gone Now" · Machine-readable JSON-LD