thumb|right|220px|The Icarian movement was inspired by an 1840 utopian novel by Étienne Cabet, Voyage en Icarie (Voyage to Icaria). The Icarians () was an American utopian socialist movement, establi
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 0xd4f7ecce11edcc08a71531457f905c2d0ca3529c80e788860aae82c2f4ea1136. 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/422c0c03-a678-4715-8742-39c5eef10e7b.json and https://artists.proofprofile.net/proofs/artist/422c0c03-a678-4715-8742-39c5eef10e7b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).