ISRC USBC17600307
Verified recording
USBC17600307 is “Porgy And Bess: Leavin' for the Promise' Lan'” by George Gershwin,
registered on the CopyrightChains blockchain with CopyrightID
0x75e9a8d642a57eb8a7e23009ff7d991ad7f9792af0fdc5785c0f5b352c88f646 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17600307.
Recording identifiers
- ISRC
- USBC17600307
- Title
- Porgy And Bess: Leavin' for the Promise' Lan'
- Artist
- George Gershwin
- CopyrightID (CopyrightChains transaction hash)
0x75e9a8d642a57eb8a7e23009ff7d991ad7f9792af0fdc5785c0f5b352c88f646
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:7c30a4af56ebcb7c964e7fba57fb8eff60540c6fc698f6b963cafd37aaf1fbba- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17600307
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Porgy And Bess: Leavin' for the Promise' Lan' · Machine-readable JSON-LD