Archila is a surname. Notable people with the surname include: Ana Maria Archila (born 1978/1979), Colombian-born US activist Andrés Archila (1913–2002), Guatemalan violinist and orchestra conductor
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4364e10eb1a18eaba4d2b7e10c480eb0a9a5a5f7a4eee7b629958d906562888. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a9b7438c-816f-491d-8cfb-d9de7c6d6fd6.json and https://artists.proofprofile.net/proofs/artist/a9b7438c-816f-491d-8cfb-d9de7c6d6fd6.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.