Agostinho is a Portuguese language noun meaning Augustine. It may be used as a given name or a surname. Notable people with the name include: Given name Agostinho (footballer) (born 1975), Portugues
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 0x7bde6167ea4c643b85c97f7a86d6d74e3f2d42c96db3f3690eea18a12f8e936b. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d463358a-bdb0-4ec5-93d4-bde58b851c1a.json and https://artists.proofprofile.net/proofs/artist/d463358a-bdb0-4ec5-93d4-bde58b851c1a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).