ISRC GBBBA0941700

Verified recording

GBBBA0941700 is “Porgy and Bess - Arr. Toru Takemitsu: Summertime” by George Gershwin, registered on the CopyrightChains blockchain with CopyrightID 0xaa16656901b43edb2d8bcf49d194843a5fffe66ac76f86aba5947f94257883e3 and independently timestamped in Bitcoin block 960138 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0941700.

Recording identifiers

ISRC
GBBBA0941700
Title
Porgy and Bess - Arr. Toru Takemitsu: Summertime
Artist
George Gershwin
CopyrightID (CopyrightChains transaction hash)
0xaa16656901b43edb2d8bcf49d194843a5fffe66ac76f86aba5947f94257883e3

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34+00:00
Bitcoin block
960138
Canonical record hash
sha256:ac4bfbaed4ab3b1c2a6ad09b1e4301c9d68b3ff95396b657ce27e1ebe8351c61
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0941700
Bitcoin block existence check
https://blockstream.info/api/block/960138

Full record

Track page: Porgy and Bess - Arr. Toru Takemitsu: Summertime · Machine-readable JSON-LD