Primal Rage is a 1994 fighting game developed by Atari Games and released by Time Warner Interactive for arcades. Set on a post-apocalyptic version of Earth called "Urth", it has players control one o
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 0xca47abde1bcae1eabf421f5d4f35b110c400f78f2caa5efcac31a58948582d89. Chain 2 (Bitcoin): anchored in block 953758 (2026-06-15T07:48:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b2dc2752-425e-40cb-b7cb-bbccaf12d3a6.json and https://artists.proofprofile.net/proofs/artist/b2dc2752-425e-40cb-b7cb-bbccaf12d3a6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).