Warmachine is a tabletop steampunk wargame originally produced by Privateer Press but currently under the ownership of Steamforged Games. The game is played with white metal, plastic, and resin minia
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 0x699d880fb0fcc7c38808e2ecbbba65a599beaa2c58032e69228acd2ea79367a0. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6e16a9dc-96fa-4c74-b930-a125dd29fe9f.json and https://artists.proofprofile.net/proofs/artist/6e16a9dc-96fa-4c74-b930-a125dd29fe9f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).