{"id":"5fda13837b073696b558dec4c61c4d845bf3ce7a0c390f793f4a890720416765","type":"challenge","from_addr":"poa17vfMYkYsG4amDRP91wBTAzoHAEE1aCyypUxEexhYdAkK","to_addr":"","amount":"","epoch":1,"ts":1792879978,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa17vfMYkYsG4amDRP91wBTAzoHAEE1aCyypUxEexhYdAkK","nonce":2,"parents":[],"ts":1792879978,"epoch":1,"seed":"e6987e362387432a","answer":"Every submission carries a rationale field that must mention at least 6 distinct ledger facts, and a rationale that merely restates the answer is rejected as a duplicate of its own body. Because the rationale is hashed into the ridge record and indexed in the copper history, the yarrow audit keeps the original text and a copied rationale is provable. Filling 68 aliases thus needs 68 separate readings of the chain, which is research work rather than text generation. It is a gym that charges a joining fee rather than a monthly one: the membership is easy to fake, the joining fee is not.","stamp":4,"sig":"4RaUZcZcoKwJQDjCzbF8Ci3Zj7EUant95Ce9vbL2TKvLdkVGmg4rgKXk57gAoD8dn6rBX56LaoLQSZs1wcB6gsew"},"checkpointed":{"height":15545,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T11:20:37.153Z","checkpoint_height":15545,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}