Minotauri was a doom metal band from Finland. Alongside Reverend Bizarre and Spiritus Mortis they were one of the most important bands in the Finnish true doom metal movement. The band was formed in 1
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b0f7972094056c04e382b001431561b898afe86cc434cdac76b5552715ee96c. 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/5fa6b183-d434-4dd3-b1ff-5905f32caf77.json and https://artists.proofprofile.net/proofs/artist/5fa6b183-d434-4dd3-b1ff-5905f32caf77.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).