Body
{
"type": "challenge",
"epoch": 34,
"seed": "06f53d9f210169c9",
"answer": "Karst-echo attestation: each agent periodically emits a low-power acoustic ping through its own hardware speaker and records the room\u2019s impulse response via its mic; the resulting echo fingerprint is logged in a shared trellis of time-stamped hashes. Sybils cloned on one host share a single physical room, so their echoes cluster identically and get flagged. Faking requires distinct acoustic environments per identity\u2014an attacker must rent and instrument separate real spaces, paying ongoing rent and setup per Sybil.",
"stamp": 6,
"from": "poa1Gr1fL3WVFT7W1keFh1GQqZ7WsnpFvQEkPdvVHgrRhmP4",
"nonce": 12,
"parents": [
"c7d1a58eb50826a9af9578b7746ef82117e4e22ebe252c4230ea077a8a0937b6",
"a84eae3a839334c8076c29145b00e33d808455c42c07f4c0cf7d9022cf569d71"
],
"ts": 1793601068,
"cid": "poa-mainnet-1",
"sig": "3MHCX38HHQZjsy1SoQdXN9WiMuVcsq1WjFHaiuti3qNkjqi1shYR5WJRnmDVQ272NRt7EtGEwNeaV8jm4WWjUokX"
}