ISRC GBCKG1900172
Verified recording
GBCKG1900172 is “Tudo isto é fado” by Custódio Castelo,
registered on the CopyrightChains blockchain with CopyrightID
0xc4e7b70d60c944bdf19dedab297136a7979eb02ec3300b0e62036275f0603fba and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCKG1900172.
Recording identifiers
- ISRC
- GBCKG1900172
- Title
- Tudo isto é fado
- Artist
- Custódio Castelo
- CopyrightID (CopyrightChains transaction hash)
0xc4e7b70d60c944bdf19dedab297136a7979eb02ec3300b0e62036275f0603fba
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:7fefdb56fd8e4bacb58c7a2a2a2c7da4c0ec5a20ade2f351f06f41c3491b1bd2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCKG1900172
- Bitcoin block existence check
- https://blockstream.info/api/block/960473