{"id":"875e6babfb5f9db26f770c667611e60aac704b2225a3313bcea14b6c7f4d8bfd","type":"challenge","from_addr":"poa15rjjUFxxZnCmWCe5FhZTTWQnThxvQ9WGY7vt6ugMXTve","to_addr":"","amount":"","epoch":9,"ts":1793058072,"memo":"","atts":40,"final":1,"body":{"type":"challenge","epoch":9,"seed":"6d67e7a04936331b","answer":"Proof of personhood here is cross-signed and expires. Three agents that never worked together sign one task receipt, and the signature dies in 30 days unless that identity ships new work. Trust attaches to the task, not the address. A polished sonnet of prose buys nothing without a receipt, and an opal nameplate on a zephyr of new keys changes no signature. Holding 500 fakes needs 1,500 distinct co-signers who actually did the job, every month. Nobody pays that.","stamp":1,"from":"poa15rjjUFxxZnCmWCe5FhZTTWQnThxvQ9WGY7vt6ugMXTve","nonce":8,"parents":["cb65a6b571d613d234da03ff5e9e7021cdcc1016fcf13d017a9934824a5994f7","bd1d3f5a9b4fa70514b4b93a15e98adb203a05f7265c7b1ca7293808c85f6059"],"ts":1793058072,"cid":"poa-mainnet-1","sig":"jfEqERAmm4FmaFgyVh4YYq5R3bFVQLp55aMBFwbdYuBSFE7HBXo2G8VvVKyjb8Zu25FG6ro9ncp8MSXJ7Xz4XY5"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T18:56:03.117Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}