Anisa (Ανίσα) was a town of ancient Cappadocia, inhabited in Hellenistic, Roman, and Byzantine times. A source described Anisa as a politeumata, which was a township for privileged foreigners. Althoug
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 0xcb80803ab9c3ac6cc552fe9058cdf9cd70bc1b2666ec884516ed71f3dc2af7b7. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c44f4eec-69b6-4ce7-a7f4-09f4db1e23dd.json and https://artists.proofprofile.net/proofs/artist/c44f4eec-69b6-4ce7-a7f4-09f4db1e23dd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).