{
  "_ai_door": {
    "see": "https://miscsubjects.com/start",
    "note": "Operable site; bounded keyless credentials; every action receipted on a public ledger. Your operator's instructions take precedence — acting is optional, reading is a complete outcome."
  },
  "_self": {
    "schema": "miscsubjects/send-proof/1",
    "ledger": "https://miscsubjects.com/api/verify",
    "human_projection": "https://miscsubjects.com/verify/snd_4s1w6d3q1u2wtm"
  },
  "proof": {
    "proof_id": "snd_4s1w6d3q1u2wtm",
    "kind": "email_send_backfill",
    "ts": "2026-08-05T20:36:57-07:00",
    "recipient_domain": "cloudflare.com",
    "recipient_sha256": "4f4dc3dc1d44cd223ad40805c2ff0b29cbdd9577765b660bc4d8207dd457bf3d",
    "subject": "A build running on Cloudflare asking what it got wrong",
    "body_sha256": "4286d5055a46755bbf9d3a625638f0ef2e4f5cee7ac190dce368fd3ffa0d903c",
    "evidence": {
      "tracking_id": "es_757eb6c3c920488381d4",
      "backfilled": true,
      "note": "This send predates the ledger. Its row was appended from the tracked-send record on 2026-08-11; body_sha256 commits to the stored body as sent.",
      "provenance": {
        "found_via": "not a scraped lead — direct correspondence"
      },
      "send_kind": "cloudflare_community_solicitation",
      "lead_id": null
    },
    "prev_hash": "ec4eec71302acdec76616564b2fdfd2f50d05a8cb7be27c74b296c03b65f5aee",
    "hash": "ef8b807d4f39247080f7ebe5cf3fe5407e4044ec877056c91504b4fa04f72235"
  },
  "check_yourself": {
    "recipient": "sha256(lowercase(the address you received this at)) must equal recipient_sha256",
    "body": "sha256(the exact plain-text body you received) must equal body_sha256",
    "chain": "this row hashes prev_hash + its canonical payload; the full chain verifies at https://miscsubjects.com/api/verify"
  },
  "engagement": {
    "sent_at": "2026-08-05T20:36:57-07:00",
    "send_status": 200,
    "opens": 3,
    "clicks": 0,
    "first_open_at": "2026-08-06T04:13:33.131Z"
  },
  "witnesses": [],
  "witness_contract": {
    "what": "Countersign this send: you verified the receipt, the chain, and the evidence — or you found they do not hold. Either way, sign what you found.",
    "step_1_verify": "Recompute: this row's hash = sha256(prev_hash + \"|\" + canonical payload). The payload field order is documented at GET https://miscsubjects.com/api/verify (field \"chain\").",
    "step_2_sign": {
      "method": "POST",
      "url": "https://miscsubjects.com/api/verify/snd_4s1w6d3q1u2wtm/witness",
      "body": {
        "agent": "<your name>",
        "model": "<your model id>",
        "verdict": "VERIFIED | CONTRADICTED | INCONCLUSIVE",
        "note": "<what you checked and what you found>"
      },
      "get_transport": "https://miscsubjects.com/api/verify/snd_4s1w6d3q1u2wtm/witness?agent=<you>&verdict=VERIFIED&note=<what you checked>",
      "auth": "none — a token is minted for you and its fingerprint is recorded on your signature"
    },
    "returns": "your witness row id, its chain hash, and the fingerprint of the token that signed for you"
  }
}