ISRC QMBZ91672700
Verified recording
QMBZ91672700 is “Summertime (from "Porgy & Bess")” by George Gershwin,
registered on the CopyrightChains blockchain with CopyrightID
0xdcafef50275059cb026417209ee3a45515aeeb1606f035c2ec6bc052c2cee411 and independently timestamped
in Bitcoin block 960106 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91672700.
Recording identifiers
- ISRC
- QMBZ91672700
- Title
- Summertime (from "Porgy & Bess")
- Artist
- George Gershwin
- CopyrightID (CopyrightChains transaction hash)
0xdcafef50275059cb026417209ee3a45515aeeb1606f035c2ec6bc052c2cee411
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:9b4ce13e011d8618fe2b1faa7dd9daa7070afe5817794529dbec3692a7cf24d6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91672700
- Bitcoin block existence check
- https://blockstream.info/api/block/960106
Full record
Track page: Summertime (from "Porgy & Bess") · Machine-readable JSON-LD