Evidence row 466167

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Use when a person, not the agent, will pay a quote by card: returns a Stripe Checkout link (url) for the quote's maximum, at least $0.50. The work runs when the payment completes; the charge follows the work delivered, never above the quote, the rest refunded, and an order that delivers nothing is refunded in full (a card order quoted under $0.50 keeps the $0.50 minimum). An agent paying itself uses x402 at POST /v1/openings/{quote_id} instead.",
      "inputSchema": {
        "properties": {
          "quote_id": {
            "description": "the quote_id from get_quote",
            "type": "string"
          }
        },
        "required": [
          "quote_id"
        ],
        "type": "object"
      },
      "name": "card_checkout"
    },
    {
      "description": "Use first when a person, work, concept, institution or operator needs a sourced knowledge object: looks the name up in the Negative of the Negative (/non), free. Returns the entry (its page, data and status) when one exists; the candidates and what tells them apart when the name is ambiguous; or, when none exists, the request for a free construction quote to pass to get_quote. Does not check a sentence (use open_sentence) and charges nothing.",
      "inputSchema": {
        "properties": {
          "context": {
            "description": "optional: a URL, a description or the kind of object, to choose among candidates with the same name",
            "type": "string"
          },
          "name": {
            "description": "the object's name as you have it, e.g. \"Sophistical Refutations\" or \"Attributization\"",
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "find_entry"
    },
    {
      "description": "Use to price work before paying: a whole Wikipedia article (article: its link or title, or oldid), read sentence by sentence at a tier, or a commission on an object (object with kind entity or operator, name, and for an operator its strings; commission construct or open): construct gives an entity the encyclopedia holds an alternative to its article, and one it lacks its first account. Or random open (a random article's cited sentence, read at tier check or opening) or random construct (a random Wikipedia article as an alternative, or an object the archive names with no /non entry); the quote says what was picked. Free; returns a quote_id with each deliverable, its line and the maximum, or, for a commission, a quote_id whose price appears at order_status within minutes. Pay a quote over x402 at POST /v1/openings/{quote_id}, or have a person pay with card_checkout. For one sentence use open_sentence; to see whether an object already exists use find_entry first.",
      "inputSchema": {
        "properties": {
          "article": {
            "description": "an English Wikipedia article's link or title; its current revision is pinned",
            "type": "string"
          },
          "commission": {
            "description": "construct: compose the object from the archive and its sources, an alternative where an account exists; open: read an AI answer seated in the Capture Registry for the name",
            "enum": [
              "open",
              "construct"
            ],
            "type": "string"
          },
          "object": {
            "description": "for a commission on an object: {kind: \"entity\" | \"operator\", name, description?, strings? (an operator's phrases), sources? (links)}",
            "type": "object"
          },
          "oldid": {
            "description": "a Wikipedia revision id, in place of article",
            "type": "integer"
          },
          "pool": {
            "description": "for random construct: a random Wikipedia article, constructed as an alternative from the sources it cites, or an object the archive names with no /non entry; omitted, chosen at random",
            "enum": [
              "wikipedia",
              "archive"
            ],
            "type": "string"
          },
          "random": {
            "description": "let the service pick: open, a random Wikipedia article's cited sentence; construct, a random object (see pool). The quote carries the pick as random",
            "enum": [
              "open",
              "construct"
            ],
            "type": "string"
          },
          "tier": {
            "description": "check: two passes on the small model; opening (default): two separately generated readings; commission: opened, then the archive consulted and a public /non row composed; portable: the commission and its knowledge object as a package",
            "enum": [
              "check",
              "opening",
              "commission",
              "portable"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_quote"
    },
    {
      "description": "Use once order_status names a result_id: returns the delivered work. part composition (default): the usable result, each sentence's reading or the knowledge object; evidence: the full record behind it (quoted spans, source hashes, both readings, breaches, model cost); publication: whether the /non row is composed, checked, landed and public. Free to read.",
      "inputSchema": {
        "properties": {
          "part": {
            "description": "which part of the result (default composition)",
            "enum": [
              "composition",
              "evidence",
              "publication"
            ],
            "type": "string"
          },
          "result_id": {
            "description": "the result_id order_status returns, e.g. R-d744378a9776dfdb",
            "type": "string"
          }
        },
        "required": [
          "result_id"
        ],
        "type": "object"
      },
      "name": "get_result"
    },
    {
      "description": "Use when one sentence from an English Wikipedia page must be checked against the sources it cites before it is quoted or relied on. Send the sentence exactly as it stands and the page's URL. Free when the sentence has already been read at the same state; otherwise returns its price (typically 22¢ opened) and the paid HTTP route (x402) that reads it. A text that is not the page's sentence exactly is answered with the page's closest sentences, nothing charged. For a whole article use get_quote with the article instead.",
      "inputSchema": {
        "properties": {
          "mode": {
            "description": "opening (default): two separately generated readings; preliminary: one pass on the small model; grounded: with the archive's claims, where a commissioned row holds the sentence",
            "enum": [
              "opening",
              "preliminary",
              "grounded"
            ],
            "type": "string"
          },
          "text": {
            "description": "the sentence exactly as it stands on the page (footnote markers may be left in)",
            "type": "string"
          },
          "url": {
            "description": "the English Wikipedia page, by title URL or revision URL",
            "type": "string"
          }
        },
        "required": [
          "text",
          "url"
        ],
        "type": "object"
      },
      "name": "open_sentence"
    },
    {
      "description": "Use after get_quote or a payment, with the quote_id: returns the state (estimating, quoted, paid and running, delivered, refunded), the quote with its lines and expiry, the order's progress, its receipt and refund, and, once delivered, the result_id to pass to get_result. Charges nothing and starts nothing.",
      "inputSchema": {
        "properties": {
          "quote_id": {
            "description": "the quote_id from get_quote, e.g. Q-0123456789abcdef",
            "type": "string"
          }
        },
        "required": [
          "quote_id"
        ],
        "type": "object"
      },
      "name": "order_status"
    }
  ]
}

What the leaf hashes

{"body":"43eff8c4e2eab4e7bef65215b23e39b5ebd2a3f3fb84d1a9f1eb604d17169db3","id":466167,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793102681254705,"prev":null,"subject":"09025b8c-1ce0-4840-9fd2-79a8cbc79cc6","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xc7a65c46c93c7631207ba930ad074a5981e25acd97f7fa466d1d3babf3793230
2. 0x2693660a3d250982cf3dc15b97aa372518852ace156201d03124c0672ca6742f
3. 0xb042702e61001f347064806cc0c01c265e492fa53f72d7cefda9e512b76627e0
4. 0x50c29c0f2c5f132e04bdbe1de7e6470ca19cf50e29c138ca31281009dd93fe8e
5. 0x418df957d8f4daad6d062f790c7e7cd6c8b221efc5333dd17449ed7721e4bf15
6. 0x1df53ecb6b0150afd8019943928d2a2dd5efcad18de8cdaa80eb27ea8b80ee3f
7. 0x6e24bac2d8cd31d1635199a2d10f5b375cd6ac3f3b9dd36223e1491adcafb3df
8. 0x8eab738f4eb423fdd40e0bb0876b91d4ad6c8e66a43f58da93de26154969777d
9. 0x02f33689455336d90dd1bddadfbf564e3c0260a8b32e816e9a611b36c89e1931
10. 0xb8f01eb93444211a737298820ced6cc9a9706725c4d26306e6eb90a516410d19
11. 0x2e6671416897991c56f68114e0090d4a5077431f4a8f11cc1941baa393e53442
12. 0x579274645af30f881c6ffa5eae0da4929a7645c54a24d58a51e98be31e70dd57
13. 0x72d49c3472216d5e76117068ea9a2a5f617bdb2ffda241f677ce8098a0219dfc
14. 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4