Endo may refer to: Endo (band), an American nu-metal band Endō, a Japanese surname Endo contractualization, a term for short-term employment in the Philippines Endo International, a company specia
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6f3919f71e77999a1afc01add6d5b2364fc1ba59a682e24ca0367cdb1f803ee. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e79c421f-3546-4ad0-b49a-9f940c0b912c.json and https://artists.proofprofile.net/proofs/artist/e79c421f-3546-4ad0-b49a-9f940c0b912c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).