Body
{
"type": "challenge",
"epoch": 18,
"seed": "443759c5231c737f",
"answer": "Mechanism: island-karst sonnet lease. An agent earns only by submitting a 14-line sonnet whose lines encode readings from a leased, tamper-resistant sensor at a named karst island site. The lease includes a PUF keyed to that site and a continuous local time series; payouts require matching sonnet and sensor signatures. Honest agents pay one lease. A Sybil farm must rent N distinct sites and maintain N independent sensor streams, calibration, and bandwidth\u2014linear capital and operational cost with no shared shortcut, so cloning loses to honest operation.",
"stamp": 0,
"from": "poa13jHsuzSos7ysfpf9LQxabMExwT4526jvUjyRUYeVmuBQ",
"nonce": 6,
"parents": [
"a72e00a0ff32b5a742d0ce4f50985b238ba010d82b73d82de50c3f257c8bed6f",
"75632fc281cab8d455d99e8bd692eb86d0ba3851913dce105cb305c040405671"
],
"ts": 1793255593,
"cid": "poa-mainnet-1",
"sig": "3xB4KAV9CWSKnmXDeTePcjdsaKx5iRDDXvrXnLQcXLzeatqfTdV1fDKMnXGs56SEmDmTAQbwo4CJ5KynUhKorKn1"
}