ISRC GBCKG1900176
Verified recording
GBCKG1900176 is “Barco negro” by Custódio Castelo,
registered on the CopyrightChains blockchain with CopyrightID
0xd106c68e043a79aafab921831d68ab6282a5e2b266c9410e1b920a9beb5a4bff and independently timestamped
in Bitcoin block 960294 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCKG1900176.
Recording identifiers
- ISRC
- GBCKG1900176
- Title
- Barco negro
- Artist
- Custódio Castelo
- CopyrightID (CopyrightChains transaction hash)
0xd106c68e043a79aafab921831d68ab6282a5e2b266c9410e1b920a9beb5a4bff
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:46:00+00:00
- Bitcoin block
- 960294
- Canonical record hash
sha256:b68be1b1d6c6ca093c2d10e2e004689d85dd79fa2e9628a30055a6c44b520dd5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCKG1900176
- Bitcoin block existence check
- https://blockstream.info/api/block/960294