Evidence row 291191

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Free. Check whether SNTL already holds verified material on a space company or topic before asking a question. Returns counts only: verified claims and market signals that match, the date of the newest, and the names matched. No content is returned; to receive research, use submit_research_interest.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "query": {
            "description": "A company or topic, for example Isar Aerospace or orbital data centres. 3 to 100 characters.",
            "maxLength": 100,
            "minLength": 3,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "check_coverage"
    },
    {
      "description": "Retrieve the proposed scope, price offer, payment details, operator decision or research response using your receipt_id. Keep the receipt private. Use respond_to_research_offer to confirm or correct a proposed scope, or accept or decline an unexpired quote. If no response is available, try again later.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "receipt_id": {
            "description": "The receipt_id that submit_research_interest returned. Keep it private.",
            "pattern": "^[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}$",
            "type": "string"
          }
        },
        "required": [
          "receipt_id"
        ],
        "type": "object"
      },
      "name": "check_research_status"
    },
    {
      "description": "Respond using your private receipt_id. confirm_scope or correct_scope requires a proposed scope; correct_scope, for an Answer only, also requires correction text (for a Brief or Map, send a changed question as a new request). accept_quote or decline_quote requires an unexpired quote; decline_quote may include a budget counter-offer. Acceptance records your choice of offer: no work starts and nothing is owed until payment. Use check_research_status before responding. Do not include contact details or personal information in a correction.",
      "inputSchema": {
        "additionalProperties": false,
        "oneOf": [
          {
            "properties": {
              "action": {
                "const": "confirm_scope",
                "type": "string"
              },
              "budget": false,
              "correction": false
            }
          },
          {
            "properties": {
              "action": {
                "const": "correct_scope",
                "type": "string"
              },
              "budget": false
            },
            "required": [
              "correction"
            ]
          },
          {
            "properties": {
              "action": {
                "const": "accept_quote",
                "type": "string"
              },
              "budget": false,
              "correction": false
            }
          },
          {
            "properties": {
              "action": {
                "const": "decline_quote",
                "type": "string"
              },
              "correction": false
            }
          }
        ],
        "properties": {
          "action": {
            "description": "confirm_scope or correct_scope answers a proposed scope; accept_quote or decline_quote answers an unexpired quote.",
            "enum": [
              "confirm_scope",
              "correct_scope",
              "accept_quote",
              "decline_quote"
            ],
            "type": "string"
          },
          "budget": {
            "additionalProperties": false,
            "description": "For decline_quote: an optional counter-offer, in minor units (cents) with a three-letter currency code.",
            "properties": {
              "amountMinor": {
                "maximum": 100000000,
                "minimum": 0,
                "type": "integer"
              },
              "currency": {
                "pattern": "^[A-Z]{3}$",
                "type": "string"
              }
            },
            "required": [
              "amountMinor",
              "currency"
            ],
            "type": "object"
          },
          "correction": {
            "description": "For correct_scope on an Answer: what to change in the proposed scope, 1 to 2,000 characters.",
            "maxLength": 2000,
            "minLength": 1,
            "pattern": "\\S",
            "type": "string"
          },
          "receipt_id": {
            "description": "The receipt_id that submit_research_interest returned. Keep it private.",
            "pattern": "^[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}$",
            "type": "string"
          }
        },
        "required": [
          "receipt_id",
          "action"
        ],
        "type": "object"
      },
      "name": "respond_to_research_offer"
    },
    {
      "description": "Ask SNTL one research question about a space company or market, and choose the product. answer (€12.50 to 31 December 2026, then €25): accepted or declined automatically. brief (€250, two to five pages) or map (€999, a segment mapped): SNTL accepts or declines the scope; on acceptance a fixed-price quote follows; delivered within 7 (brief) or 14 (map) days of payment. Nothing is owed until payment. Keep the receipt and return with check_research_status. Collection notice: https://sntl.space/enquiry-privacy. Do not include contact details or personal information.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "allOf": [
          {
            "if": {
              "properties": {
                "subjectType": {
                  "const": "space_company",
                  "type": "string"
                }
              }
            },
            "then": {
              "required": [
                "companyName"
              ]
            }
          }
        ],
        "properties": {
          "budget": {
            "additionalProperties": false,
            "description": "Optional: what you are prepared to spend, in minor units (cents) with a three-letter currency code. Prices are fixed by product.",
            "properties": {
              "amountMinor": {
                "maximum": 100000000,
                "minimum": 0,
                "type": "integer"
              },
              "currency": {
                "pattern": "^[A-Z]{3}$",
                "type": "string"
              }
            },
            "required": [
              "amountMinor",
              "currency"
            ],
            "type": "object"
          },
          "companyName": {
            "description": "The company the question is about, when subjectType is space_company.",
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          },
          "consentToStore": {
            "const": true,
            "description": "Must be true: SNTL stores the request to answer it. Collection notice: https://sntl.space/enquiry-privacy.",
            "type": "boolean"
          },
          "maximumAgeDays": {
            "description": "How recent the sources must be, in days (0 to 3,650).",
            "maximum": 3650,
            "minimum": 0,
            "type": "integer"
          },
          "outputFormat": {
            "description": "The form of the reply, whichever product you choose.",
            "enum": [
              "brief",
              "comparison",
              "structured_data"
            ],
            "type": "string"
          },
          "product": {
            "description": "What you are buying: answer (one question, answered with cited sources), brief (two to five pages) or map (a segment mapped). Optional; without it the request is an answer, priced as one.",
            "enum": [
              "answer",
              "brief",
              "map"
            ],
            "type": "string"
          },
          "question": {
            "description": "Your research question, 10 to 2,000 characters. Do not include contact details or personal information.",
            "maxLength": 2000,
            "minLength": 10,
            "type": "string"
          },
          "schemaVersion": {
            "const": "1",
            "description": "Always \"1\".",
            "type": "string"
          },
          "subjectType": {
            "description": "space_company for a question about one company; space_market for a market, segment or trend.",
            "enum": [
              "space_company",
              "space_market"
            ],
            "type": "string"
          },
          "topics": {
            "description": "Up to five short topics that narrow the question, for example launch or earth observation.",
            "items": {
              "maxLength": 80,
              "minLength": 1,
              "type": "string"
            },
            "maxItems": 5,
            "type": "array",
            "uniqueItems": true
          }
        },
        "required": [
          "schemaVersion",
          "question",
          "subjectType",
          "outputFormat",
          "consentToStore"
        ],
        "title": "Research interest input — internal draft 1",
        "type": "object"
      },
      "name": "submit_research_interest"
    }
  ]
}

What the leaf hashes

{"body":"afd7031932e4cf87d2b42eb85da16e4375aa5e059b1239574fa9821b3f759ab3","id":291191,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793047929573339,"prev":null,"subject":"dd29ee1a-588b-4963-9548-170846f7c8f0","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x3486ff1eadcef7d7447f9750eb0142bdada9bbb4c3234e23fcaecaf48a2d1195
2. 0x0ec04c0946a1d91572d72f1cc610be281ba6bb90b8d91add3d1618cf9ab8b90f
3. 0x62a47a59e0179fe52dd25581e25cd4c30abea35c9f7a58533cba3c26cf69c262
4. 0x8e2e7672eb165985fa6d87c4947c505149b4b04637b1d8924eb42d3c51757a1e
5. 0x8f6e2aa08bc07b8fa3b65a48c8822e6e9a2d9b5524745c9a949f7c1b71781045
6. 0x11ef68232899924dd60619b96c0a4ccd4b266223fd85b1b12adeb50bf6fc9c3c
7. 0xc6bcf7e24e6fa59bb8ee5adfa04f0f32c77c30a00f21586c9e67f6df515cf706
8. 0x757896c4d2cbf8361ef5e544c6c1d2e618ca3c92e90ebb40178e7c46b96b0b99
9. 0xd71f5a25f0d5b218cfeb434ccd6ff02215b58aaa777de94e58c83317ba247693
10. 0x852ba002507b16449e45904851c68e7f0b59aa6069ac1ae74dc557389e7c7646
11. 0x5b8798d4cefad64becd1c03dfc4c9f7111db423ab06ea3f8878316222a2b26de
12. 0xe57be1a98d96d75db9e9d2122794eabebfd735dea66e9d16ca63347243b3d483
13. 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae