ISRC GBBTF2300179
Verified recording
GBBTF2300179 is “Sing Out” by Kathryn Williams,
registered on the CopyrightChains blockchain with CopyrightID
0xb4b63295663b2af71281592cb9fe006d3778ee07c70246d6f8aed0be4eb46fb0 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBTF2300179.
Recording identifiers
- ISRC
- GBBTF2300179
- Title
- Sing Out
- Artist
- Kathryn Williams
- CopyrightID (CopyrightChains transaction hash)
0xb4b63295663b2af71281592cb9fe006d3778ee07c70246d6f8aed0be4eb46fb0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:775d5388728df912cf736483bd25f7c93addb2c13abad5cd4251b2fd2cc9b0c5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBTF2300179
- Bitcoin block existence check
- https://blockstream.info/api/block/957118