ISRC DEF059603550
Verified recording
DEF059603550 is “Porgy and Bess: It Ain't Necessarily So” by George Gershwin,
registered on the CopyrightChains blockchain with CopyrightID
0x94fc25acb2cdb3221954c3e4041a625a7e408780064de805087ed751dcba0738 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059603550.
Recording identifiers
- ISRC
- DEF059603550
- Title
- Porgy and Bess: It Ain't Necessarily So
- Artist
- George Gershwin
- CopyrightID (CopyrightChains transaction hash)
0x94fc25acb2cdb3221954c3e4041a625a7e408780064de805087ed751dcba0738
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:1b78cec383468aa92da301ab3ae7094ade85bd8a7fbc8cddc6a72ab7ff3fcaea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059603550
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Porgy and Bess: It Ain't Necessarily So · Machine-readable JSON-LD