Mangane is a surname. Notable people with the surname include: Kader Mangane (born 1983), Senegalese footballer Mame Birame Mangane (born 1969), Senegalese footballer Moktar Mangane (born 1982), Sene
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 0xb2ff10b0e292ba6975f510661a2f18a815b8bd0cbc5546f4b874155ae3c1772d. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ea6a024c-f650-4494-8539-736ece3e9938.json and https://artists.proofprofile.net/proofs/artist/ea6a024c-f650-4494-8539-736ece3e9938.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).