KMKZ may refer to: KMKZ (FM), a defunct radio station (88.7 FM) licensed to serve Red Feather Lakes, Colorado, United States KMKZ-LP, a radio station (104.7 FM) licensed to serve Loveland, Colorado
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c5cb03ba7821883c0f75820f01c689218536e4f9e85f4ec66168e201c2c3f5f. Chain 2 (Bitcoin): anchored in block 953903 (2026-06-16T07:05:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1524184b-19b1-4e2b-84e8-b77325233f95.json and https://artists.proofprofile.net/proofs/artist/1524184b-19b1-4e2b-84e8-b77325233f95.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).