Evidence row 572378

What was observed

{
  "count": 8,
  "tools": [
    {
      "description": "Compare one to four distinct public tool IDs. Preserves unknown facts, source evidence and checked dates; no generated ratings.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "ids": {
            "items": {
              "pattern": "^tool:[0-9a-f-]{36}$",
              "type": "string"
            },
            "maxItems": 4,
            "minItems": 1,
            "type": "array"
          }
        },
        "required": [
          "ids"
        ],
        "type": "object"
      },
      "name": "compare_tools"
    },
    {
      "description": "Fetch one public record ID returned by search. Includes citable text and dated facts. Unpublished and unknown IDs are unavailable.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "id": {
            "pattern": "^(tool|news):[0-9a-f-]{36}$",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "fetch"
    },
    {
      "description": "Read the same source-reviewed brief shown on the homepage, with at most four labeled stories and related public tools. An empty brief remains empty.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "limit": {
            "default": 4,
            "maximum": 4,
            "minimum": 1,
            "type": "integer"
          }
        },
        "type": "object"
      },
      "name": "get_chatbot_brief"
    },
    {
      "description": "Anonymous, credential-free instructions for authenticated private submissions. Includes exact first-party OTP HTTP endpoints, bounded submission fields and binary screenshot uploads. No OAuth authentication is offered.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_submission_instructions"
    },
    {
      "description": "Requires a current verified builder token. Return only this builder account's private submission statuses, optional published tool URL and image previews. Empty means no owned records. Never returns another builder's submission, operator notes or contact email.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "list_my_submissions"
    },
    {
      "description": "Search public applications, chatbot catalog and labeled news. Returns at most 24 stable IDs, titles and canonical citation URLs.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "query": {
            "maxLength": 200,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search"
    },
    {
      "description": "Requires email OTP authentication and a verified root homepage backlink. Submit an app or personal agent for private operator review, with optional images uploaded separately by authenticated HTTP. Email must match the verified account. Does not publish. Repeated pending normalized URLs are acknowledged without overwriting. On outcome_unknown inspect list_my_submissions before retrying.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "description": {
            "maxLength": 2000,
            "minLength": 1,
            "type": "string"
          },
          "details": {
            "additionalProperties": false,
            "default": {
              "audience": "",
              "developmentApproach": "unknown",
              "makerName": "",
              "platforms": [],
              "role": "community"
            },
            "properties": {
              "audience": {
                "default": "",
                "maxLength": 300,
                "type": "string"
              },
              "category": {
                "maxLength": 80,
                "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$",
                "type": "string"
              },
              "developmentApproach": {
                "default": "unknown",
                "enum": [
                  "ai-assisted",
                  "human-built",
                  "mixed",
                  "unknown"
                ],
                "type": "string"
              },
              "makerName": {
                "default": "",
                "maxLength": 100,
                "type": "string"
              },
              "platforms": {
                "default": [],
                "items": {
                  "enum": [
                    "web",
                    "desktop",
                    "mobile",
                    "api",
                    "self-hosted"
                  ],
                  "type": "string"
                },
                "maxItems": 5,
                "type": "array"
              },
              "role": {
                "default": "maker",
                "enum": [
                  "maker",
                  "community"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "email": {
            "format": "email",
            "maxLength": 254,
            "pattern": "^(?:[A-Za-z0-9_'+\\-]+\\.)*[A-Za-z0-9_'+\\-]*[A-Za-z0-9_+-]@(?:[A-Za-z0-9][A-Za-z0-9\\-]*\\.)+[A-Za-z]{2,}$",
            "type": "string"
          },
          "images": {
            "default": [],
            "items": {
              "additionalProperties": false,
              "properties": {
                "alt": {
                  "maxLength": 300,
                  "minLength": 3,
                  "type": "string"
                },
                "id": {
                  "format": "uuid",
                  "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$",
                  "type": "string"
                }
              },
              "required": [
                "id",
                "alt"
              ],
              "type": "object"
            },
            "maxItems": 4,
            "type": "array"
          },
          "name": {
            "maxLength": 120,
            "minLength": 1,
            "type": "string"
          },
          "officialUrl": {
            "maxLength": 1800,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "name",
          "officialUrl",
          "description"
        ],
        "type": "object"
      },
      "name": "submit_application"
    },
    {
      "description": "Requires a verified builder Bearer token. Check a visible anchor to https://shellwire.com/ on the root homepage of your public HTTPS site. Authenticated bounded network check, cached for five minutes. No publication. Rate limited.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "officialUrl": {
            "maxLength": 1800,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "officialUrl"
        ],
        "type": "object"
      },
      "name": "verify_homepage_backlink"
    }
  ]
}

What the leaf hashes

{"body":"77fdc79f7c88976beab4d4394bdb37f5da1aae405f9bd92b11f6fdb52202cb79","id":572378,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793140695892149,"prev":null,"subject":"64d94da4-9064-43f1-8b87-64bb6ad1e90b","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. 0x1f0a8ba7c6489dbec51df4479a8dc059b319234ca82fc46872864aba972e65a8
2. 0x0c276112b82f0590ff8a0b2e9ca11e9c7febfb82f8a6d10b317e6c3b713e2017
3. 0x9222f1851e3cc1d102f5e7908b794c7d486e65ef1864f4e4e09cbae57c4443b4
4. 0xafd974c1e7dc9705b160af38546b370f9f74b98f050b62b325e07191838c14f0
5. 0xcc88339e6ac8ff9a4feab11d4aafa06d6731b57ce2cb8d1788083e348c25d86a
6. 0xd0b3d1dc83a3960573c9774f83cfabc93db324812f0d1f69c595731bca778d37
7. 0xac258001c7f3df88ff45172647befaac23a6ca0dda3a1ce6a06da9587e82f09d
8. 0x5750c839f825e6a905d20851ae2f831c594363eaac1ceead45caa78effcce4f6
9. 0xc374fa73d472576d265cb5316676d42f035b66b69ef3e0d8b0e86239ff74cecc
10. 0x690754f06c253e5c8d55775a4228bc23a0315742f693118809ac4705f16db9b7
11. 0xd45acc7fb7f21e23b363782fdacfbfa41ace261ec11192c4fa708ef87e38cea0
12. 0xd4460ea292e8308ed2accdcd5b386b0914636a5b8cec975011dff814c29ff99a
13. 0x20ca24353b8aca3e061eedf55f49b69ae8369b88135dfdabf30039ed34db329a
14. 0xe8ee6f6ed50253c5ee2d1aa85a4b1a38ce94bca7f3b72fd1850f496152dbe285
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4