Evidence row 2202572

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://chainhilt.ai/api/v1/predict/polymarket/markets/:marketId/book"
    ]
  ],
  "name": "chainhilt-x402",
  "owner_address": "0xdece8e839414e4a99213c658abbd2294d5bd42b0",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xdECE8E839414E4a99213C658ABbD2294d5BD42B0",
        "scheme": "exact"
      }
    ],
    "description": "Order books for every outcome of a market.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "marketId": "562802"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "book": {
                "books": [
                  {
                    "asks": [
                      {
                        "price": "0.44",
                        "size": "800"
                      }
                    ],
                    "bids": [
                      {
                        "price": "0.42",
                        "size": "1200"
                      }
                    ],
                    "outcome": "Yes",
                    "tokenId": "111"
                  },
                  {
                    "asks": [
                      {
                        "price": "0.58",
                        "size": "1200"
                      }
                    ],
                    "bids": [
                      {
                        "price": "0.56",
                        "size": "800"
                      }
                    ],
                    "outcome": "No",
                    "tokenId": "222"
                  }
                ],
                "marketId": "512329",
                "observedAt": "2026-10-30T12:00:00.000Z",
                "venue": "polymarket"
              }
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/v1/predict/polymarket/markets/:marketId/book",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "marketId": {
                      "pattern": "^[A-Za-z0-9_-]{1,128}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "marketId"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T17:45:29.489Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:45:28.387Z"
    },
    "resource": "https://chainhilt.ai/api/v1/predict/polymarket/markets/:marketId/book",
    "serviceName": "chainhilt-x402",
    "tags": [
      "predict",
      "polymarket",
      "prediction-markets",
      "markets"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Order books for every outcome of a market."
}

What the leaf hashes

{"body":"a7f23de01283352852ad3b1d8f0d78cdac4278207dbbe117a708ea3affc90560","id":2202572,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646866996337,"prev":null,"subject":"x402_bazaar:https://chainhilt.ai/api/v1/predict/polymarket/markets/:marketId/book","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xb19592085c452a0e0bfaf208873f976b50490b6ae5567c62495423fb4603a932
2. 0xaef7b2f0df53b0a47122cb4fd7a6179a8b783aba96ac85d6e4f5e1fe097d82ab
3. 0x30752bf8ae5c0549a95bcc60b27415588701715d1227c8ebdac34a7f78328933
4. 0x152bf3fa0a810defd5a73400b534ad236cb8203949c53f78d6ad6842ea482cc2
5. 0x01e95d20065a3d359a393a873d265dfa71fa00a7a3b079b5f26cf0a948b70826
6. 0x0cbf174932c48a66421736ab7c28889fcebc33d1a1955b5ea0c7ca5ae2929854
7. 0x259efe9b32a27cfb93c5d8e7571319714aeccb00b219f2ac2e3f3451bcdcca81
8. 0x5052c62a107f8d900b63ca4dd3160972454d246bd83f9ef4d7f6b8d6373796a8
9. 0xaddd8657cc817d05e7c66dcce89ad6d7e4406ad476d682c881cf1f15afa32ffa
10. 0x24d1221d1292a4277b9cb1fe8444344412108a6aeecfb88a595d71a0dbaad4b0
11. 0xbb67a5c023ae809b439c6829ca844c48fdfcfd11a0e6adf9b3ba8651a66089d5
12. 0xf087d871ca9371733715e0ee714284dde8df08d54c23411920c514ebc8cdda25
13. 0xf214768748b83271814cb189e6d8ee47b2a524b5f96a73f108b1dc6771b128e1
14. 0x2f8469a138f90dfcfc93d4f817bc8f20341a871e08f629fe27a2cd40dbfeb340
15. 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af