Evidence row 765992

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Connector-style fetch of one article by the id from search. Same opening as get_post.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "id": {
            "description": "Article slug from search",
            "type": "string"
          }
        },
        "required": [
          "id"
        ],
        "type": "object"
      },
      "name": "fetch"
    },
    {
      "description": "One article by slug (the last part of its URL) or its full URL: title, date, who it is for, the opening 120 words, the questions its FAQ answers, and a link to read the rest. Use it after a list or search result when the user wants to know what an article says. Limitation: returns the opening, not the full text; the full article and its answers are on the linked page.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "Article slug, e.g. how-much-do-ai-labs-pay-for-company-data, or the full URL",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_post"
    },
    {
      "description": "The newest articles on the AI Training Data Broker blog, optionally only those for sellers (companies selling or licensing their data to AI labs) or buyers (labs sourcing licensed training data). Each result is a title, date, reading time, one-line summary and a link to the full article. Limitation: at most 10 per call, newest first.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "audience": {
            "description": "seller: companies selling or licensing their data. buyer: AI labs and model teams sourcing data. deid: de-identifying data to meet privacy laws (HIPAA, CCPA, GDPR). Leave out for all.",
            "enum": [
              "seller",
              "buyer",
              "deid"
            ],
            "type": "string"
          },
          "limit": {
            "default": 8,
            "description": "How many to return",
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [],
        "type": "object"
      },
      "name": "latest_posts"
    },
    {
      "description": "Connector-style search over the blog. Returns ids for fetch. Prefer search_posts for a filtered list.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "query": {
            "description": "Words to search for",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search"
    },
    {
      "description": "Search the AI Training Data Broker blog by topic, for example \"what is my company data worth\", \"is it legal\", \"exclusive license\", \"RL data\". Returns matching articles with a one-line summary and a link to the full article. Limitation: plain word matching in English, at most 10 results.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "audience": {
            "description": "seller: companies selling or licensing their data. buyer: AI labs and model teams sourcing data. deid: de-identifying data to meet privacy laws (HIPAA, CCPA, GDPR). Leave out for all.",
            "enum": [
              "seller",
              "buyer",
              "deid"
            ],
            "type": "string"
          },
          "limit": {
            "default": 8,
            "description": "How many to return",
            "maximum": 10,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Words to search for",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_posts"
    }
  ]
}

What the leaf hashes

{"body":"f834b60d8279d01cca877d3bad34db53448e2a8368b1225aa5769808cf395710","id":765992,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793179379710861,"prev":null,"subject":"7841dbcf-9d0b-468a-8d5b-daccc3e928fb","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xf4354c8b9a525063861a890e4e5aa042444be9c9b015110c7920317eee59719c
2. 0xddc2819f4fdc073b540960f70e7bf21eed5a011d1f9ef961ac4512e3da006308
3. 0xb9d742a33a30f8121062e2f539bcb66c81ba403e8327e98de51663d92123948e
4. 0xd4d214611e8748fb7e688ae0433eaae253de0aed3b82e09a44c3042d7d2f30c8
5. 0x4a993009315e311d53e8e80a6b4e6d2f25082caa844e2bc59e832adac32bf11e
6. 0x3a8f68acc68b5aa288d555c0e962589cbc65b63e89c855063e8170c92f015729
7. 0xc6710b8aa2f07b133f7abd3702157badf9e80ed313c89d2a255e90b6bd3406b1
8. 0xa26791623be15e21a0f22a36036c9cfb0b4a43c6e1fb9b90f82971d4afc888a9
9. 0xcc9c958ae57554f58ffff54a1f2c83d228ec3d33a1f0e61ad72495a2177b1ad0
10. 0xeedc61f06891c3fe749f4e1db7fc127e285482dc826dfd197c07febfcc86bced
11. 0xfe0c265e9d44b7e5e53c5c08fce2496deadceff2e70c99f444200697a2e1f70f
12. 0xa89a794e9d78d6d0f6a02ae33432ffbce4feb90f5c68a18a04c66467fad79af2
13. 0x39568e4b66f4f298b6b05b4f12c8e6166de92e0449cb11e61f1e4113f17fbc82
14. 0xfb2274fa79452c1e494276a3ee3eadb7c66f76a08a80f6923416f3d591053e02
15. 0x33bfb51cb957137510d8a1502cd50241c4c0982e2741290f3b8f2d2b1e69de70
16. 0xef2ebd45f2cfd41dc3eb213cc4cc144c46b7e9ead2de0b9f627463bad16e3ec8
17. 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae