ISRC GBCLS9902075
Verified recording
GBCLS9902075 is “Summertime” by George Gershwin,
registered on the CopyrightChains blockchain with CopyrightID
0x745b616c07f2379940a2214ec17c4783fc61b573364dc32ca12f0371929e6fc4 and independently timestamped
in Bitcoin block 959137 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCLS9902075.
Recording identifiers
- ISRC
- GBCLS9902075
- Title
- Summertime
- Artist
- George Gershwin
- CopyrightID (CopyrightChains transaction hash)
0x745b616c07f2379940a2214ec17c4783fc61b573364dc32ca12f0371929e6fc4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T14:03:35+00:00
- Bitcoin block
- 959137
- Canonical record hash
sha256:b499b47ebc6777951e7b8c585224649570fc8fb66db71343f1f33fa31b3c4fc7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCLS9902075
- Bitcoin block existence check
- https://blockstream.info/api/block/959137