ISRC GBCRL2300120
Verified recording
GBCRL2300120 is “Marmaduke” by Cliff Richard,
registered on the CopyrightChains blockchain with CopyrightID
0xf51a3f573a01afdd4ea948b2e31b5f2b2b0d122b4af6cefc75b2049c6c96f646 and independently timestamped
in Bitcoin block 957055 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCRL2300120.
Recording identifiers
- ISRC
- GBCRL2300120
- Title
- Marmaduke
- Artist
- Cliff Richard
- CopyrightID (CopyrightChains transaction hash)
0xf51a3f573a01afdd4ea948b2e31b5f2b2b0d122b4af6cefc75b2049c6c96f646
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T15:12:44+00:00
- Bitcoin block
- 957055
- Canonical record hash
sha256:909450d97c94866ef0e7384be14338323d22939a9e14100ce4ddbc55442c6bab- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCRL2300120
- Bitcoin block existence check
- https://blockstream.info/api/block/957055