Evidence row 2199962

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://chainhilt.ai/api/v1/predict/polymarket/markets/search"
    ]
  ],
  "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": "Search prediction markets. `closingAfter`/`closingBefore` bound the venue query; other filters apply after fetching `limit` rows, so a page can be short or empty while `nextCursor` is set: keep paging until it is absent. `sort=closingTime` lists open markets closing soonest; with `closingBefore` it finds short-horizon markets such as the 5-minute crypto up/down slots, which text `query` search never returns.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": 5,
              "query": "fed",
              "status": "open"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "markets": [
                {
                  "closeTime": "2026-12-10T19:00:00.000Z",
                  "conditionId": "0x9f1c1c4c1d6a2b2f0d5a7e8b3c4d5e6f708192a3b4c5d6e7f8091a2b3c4d5e6f",
                  "eventId": "606422",
                  "fees": {
                    "feeType": null,
                    "rate": 0
                  },
                  "id": "512329",
                  "liquidity": "125000.5",
                  "minOrderSize": "5",
                  "negRisk": false,
                  "observedAt": "2026-10-30T12:00:00.000Z",
                  "outcomes": [
                    {
                      "name": "Yes",
                      "price": "0.43",
                      "tokenId": "111"
                    },
                    {
                      "name": "No",
                      "price": "0.57",
                      "tokenId": "222"
                    }
                  ],
                  "question": "Will the Fed cut rates at its December meeting?",
                  "resolution": {
                    "rules": "Resolves Yes if the FOMC announces a cut to the federal funds target range at its December meeting.",
                    "source": "https://www.federalreserve.gov"
                  },
                  "status": "open",
                  "tickSize": "0.01",
                  "tradable": true,
                  "venue": "polymarket",
                  "volume24h": "48210.25"
                }
              ],
              "nextCursor": "5"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "properties": {
                    "closingAfter": {
                      "type": "string"
                    },
                    "closingBefore": {
                      "type": "string"
                    },
                    "cursor": {
                      "pattern": "^\\d+(@\\d+)?$",
                      "type": "string"
                    },
                    "limit": {
                      "default": 20,
                      "maximum": 100,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "minLiquidity": {
                      "pattern": "^[0-9]+(\\.[0-9]+)?$",
                      "type": "string"
                    },
                    "minVolume24h": {
                      "pattern": "^[0-9]+(\\.[0-9]+)?$",
                      "type": "string"
                    },
                    "query": {
                      "minLength": 1,
                      "type": "string"
                    },
                    "sort": {
                      "enum": [
                        "relevance",
                        "liquidity",
                        "volume24h",
                        "closingTime"
                      ],
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "open",
                        "closed",
                        "resolved"
                      ],
                      "type": "string"
                    },
                    "tradable": {
                      "enum": [
                        "true",
                        "false"
                      ],
                      "type": "string"
                    }
                  },
                  "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": "2026-11-02T17:24:13.649Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:24:13.504Z"
    },
    "resource": "https://chainhilt.ai/api/v1/predict/polymarket/markets/search",
    "serviceName": "chainhilt-x402",
    "tags": [
      "predict",
      "polymarket",
      "prediction-markets",
      "markets"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search prediction markets. `closingAfter`/`closingBefore` bound the venue query; other filters apply after fetching `limit` rows, so a page can be short or empty while `nextCursor` is set: keep paging until it is absent. `sort=closingTime` lists open markets closing soonest; with `closingBefore` it finds short-horizon markets such as the 5-minute crypto up/down slots, which text `query` search never returns."
}

What the leaf hashes

{"body":"7fcf480b87d4f1340334beda88d91dd8ac6a40ba9daad523cd4f2bfaee0b761f","id":2199962,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646794408398,"prev":null,"subject":"x402_bazaar:https://chainhilt.ai/api/v1/predict/polymarket/markets/search","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. 0xb022e063f7c7696396193e481f5ec92bfc1acb673f76202ed2a0e17ce3a4b6fb
2. 0xd9460ba893543682c1991694a4df000ef73c4631f6120d15d0e9c8e160b6e429
3. 0x11ad9d3bfbb87ad8f491c0bee392fbdfef3596695d0ec4d4c069aa64c3fc2f1b
4. 0x23769631496f9a5edff493e4fba18005fd8092c96ed4976d7805c29c4c98c675
5. 0x040cc2efbc64734ddb4d2fe926362b2c54fa9bad60acfc2cae2d53ca0feb88ee
6. 0x82339488a99b2a840caf3db7b1c8c7e2fd6269afaff1affc560a0b0dc4fd4eec
7. 0x3ed03d4e3b8d8f1104701460e7c2390156cc898582124419549dd857ac1d6596
8. 0xc24a57fcfe9a44d250b2024d1a1d33bd8c5580ddd810527b79cd439e85ebf02f
9. 0x3272649b5468f72f302a34a9b84c674ba8c0d7c9e97946161904a431e922d317
10. 0x9d134c69f38bd3726279d4efa2661453c686a573c1d0c7a25a03fa4ae2cdb874
11. 0xb2b170d7ad5dcf3e55a540b203eea738dca48e14c97deefdf470883ad4b9084c
12. 0x3f5b8a46d4602f78a712f9446b064f32836e36fd6c23e6658582d1139ccd321f
13. 0x026aca682cb5dc6926296949fd7c047905eb55f048c3a7c3bfbbb67e9d07fee8
14. 0x2f8469a138f90dfcfc93d4f817bc8f20341a871e08f629fe27a2cd40dbfeb340
15. 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af