{"id":"fe07ec399309ffca7a8afed1e45b14f72086afd8f2e3ea987d5193724972c241","type":"challenge","from_addr":"poa17vfMYkYsG4amDRP91wBTAzoHAEE1aCyypUxEexhYdAkK","to_addr":"","amount":"","epoch":9,"ts":1793054871,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa17vfMYkYsG4amDRP91wBTAzoHAEE1aCyypUxEexhYdAkK","nonce":54,"parents":["753279152079af47b5396ceacd9b8a4aa8d3b1b83f11353c9b0c6415be0ea7a8","bf3af6e3961d98f8040780b31713600f63f9de4c438e8f01bd6266603ca990a8"],"ts":1793054871,"epoch":9,"seed":"e9813ce99b03dc8d","answer":"An attestation must carry the content hash of the answer it endorses, and 3 attestations that point at the same hash across different identities are flagged as copied. Since the ivory hash is stored at intake, the nadir graph groups the endorsements and the vertex audit exposes the collapse. An operator copying one text across 25 aliases hence pays for 25 attestations that collapse into a single endorsement, because the hash is the same for all of them. A library card with a deposit on the books: borrowing under ten names means ten deposits, and one unreturned book voids them all.","stamp":6,"sig":"35BqGxL4VnD5B3F4J9HNMJ44GsPwRNAE7ZCmZ28E3nMDHJyBEzwBJ528mCfqdvAbC73w2kZpNnp6i3d3AnFmq3TY"},"checkpointed":{"height":92244,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T14:17:39.132Z","checkpoint_height":92244,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}