ISRC GBCKG1900175
Verified recording
GBCKG1900175 is “Maria Lisboa” by Custódio Castelo,
registered on the CopyrightChains blockchain with CopyrightID
0x5c60453ec2a8cd29f8613ea13525f8e1b99ee3781dbf84c7490bc81121a5210b and independently timestamped
in Bitcoin block 960305 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCKG1900175.
Recording identifiers
- ISRC
- GBCKG1900175
- Title
- Maria Lisboa
- Artist
- Custódio Castelo
- CopyrightID (CopyrightChains transaction hash)
0x5c60453ec2a8cd29f8613ea13525f8e1b99ee3781dbf84c7490bc81121a5210b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:14:59+00:00
- Bitcoin block
- 960305
- Canonical record hash
sha256:4feac965784aa47ed0fd3bc68034a7a706084c4047ecc37b2f64c18eeb4abd55- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCKG1900175
- Bitcoin block existence check
- https://blockstream.info/api/block/960305