ISRC GBUM71800164
Verified recording
GBUM71800164 is “Kotekan (For J)” by Guy Sigsworth,
registered on the CopyrightChains blockchain with CopyrightID
0x694ad6692e576a7ed027c2db652ace22ec26d317bcac0cb6a05abdb527eec63d and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71800164.
Recording identifiers
- ISRC
- GBUM71800164
- Title
- Kotekan (For J)
- Artist
- Guy Sigsworth
- CopyrightID (CopyrightChains transaction hash)
0x694ad6692e576a7ed027c2db652ace22ec26d317bcac0cb6a05abdb527eec63d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:078f7f161fda6345d440cc3249536eb3ac0ee6ea32e33544895a922c13feea28- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71800164
- Bitcoin block existence check
- https://blockstream.info/api/block/960344