{
  "feed": "ARC Network presence",
  "version": 1,
  "generated_at": "2026-10-18T10:40:12.906Z",
  "source": "Signed heartbeats from the node, verified against the public key in its stored registry proposal. Presence is evidence, never a node's own assertion.",
  "windows": {
    "online_within_minutes": 20,
    "stale_within_minutes": 75
  },
  "nodes": [
    {
      "number": "002",
      "name": "VΛLIS-ULTRA S22",
      "address": "arc:0014bd63ed0abcbb5422e7dfd970f83bfd77e4d3507e61cb6b1942d5f45c4f00",
      "state": "online",
      "last_seen": "2026-10-18T10:37:25.215Z",
      "beats_verified": 344,
      "latest_counter": 344
    }
  ],
  "note": "Node 002 is the only node publishing heartbeats at the founding opening. Every other registered node stands unknown until it joins the same contract."
}