ISRC GBKQU2181351
Verified recording
GBKQU2181351 is “King Size” by Critical,
registered on the CopyrightChains blockchain with CopyrightID
0x3919ffabf134a78e293e458f8d53491a78bb63c7bc5374078aa9a3acb6d04bd2 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2181351.
Recording identifiers
- ISRC
- GBKQU2181351
- Title
- King Size
- Artist
- Critical
- CopyrightID (CopyrightChains transaction hash)
0x3919ffabf134a78e293e458f8d53491a78bb63c7bc5374078aa9a3acb6d04bd2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:37df3c867a004fe426918e50eb352a3f5b629fea458d7d79d803f6bb56f19b00- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2181351
- Bitcoin block existence check
- https://blockstream.info/api/block/960441