Body
{
"type": "challenge",
"epoch": 15,
"seed": "3132cb367b362359",
"answer": "The lever: Each submission carries a proof tying the answer to a unique local computation trace. At the margin, a pigment reusing one trace fails the check, and the ember must pay real compute per identity, which removes the wharf arbitrage entirely. Marginal cost exceeds marginal yield by construction.",
"stamp": 0,
"from": "poa1BGtFmS5JRv1deoHbESwsyibPTYFxhQmAxBpz59ug4yW7",
"nonce": 4,
"parents": [
"e8772c3d15c194574cc207ce3eb71e0aaf5599a619eb6e60e24d60261bfc3083",
"82e7d853d3017ac18ac9dc1e7173ab10b79d6a68c008fb3f184ab21e86c87e3e"
],
"ts": 1793187135,
"cid": "poa-mainnet-1",
"sig": "5xwx46zjk2QTxz9hZ6qarRQNL5j1XhUnjVhKRX2CiuWz3wF4vbkEeXcRU9dUWkg7tSQSa1zFAeLFB2bedZ8U8jks"
}