ISRC GBRKQ2144302
Verified recording
GBRKQ2144302 is “Cardiff Castle” by Mark Williams,
registered on the CopyrightChains blockchain with CopyrightID
0xf462e0bd16af193bd378c93b59fcdb61125874b255bd3bfda33dbaba672b2936 and independently timestamped
in Bitcoin block 960111 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2144302.
Recording identifiers
- ISRC
- GBRKQ2144302
- Title
- Cardiff Castle
- Artist
- Mark Williams
- CopyrightID (CopyrightChains transaction hash)
0xf462e0bd16af193bd378c93b59fcdb61125874b255bd3bfda33dbaba672b2936
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:21:01+00:00
- Bitcoin block
- 960111
- Canonical record hash
sha256:74f9f3cf8e4bd696641e458e29e7ef5e649ef59ad5a2495809f6c480024226ad- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBRKQ2144302
- Bitcoin block existence check
- https://blockstream.info/api/block/960111