Evidence row 2199960

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://chainhilt.ai/api/v1/predict/polymarket/events/:eventId"
    ]
  ],
  "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": "An event and every market under it. The venue's grouping of markets: every line of a match, or the mutually exclusive outcomes of a multi-outcome question (`negRisk: true` means exactly one of them resolves Yes). Markets come back in the search-result shape (outcome tokenIds, tradability, fees), each with the venue's short `label` when it has one. Reach an event from any market's `eventId`; an unknown id is a 422.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "eventId": "32225"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "event": {
                "closeTime": "2026-12-10T19:00:00.000Z",
                "id": "606422",
                "liquidity": "310000",
                "markets": [
                  {
                    "closeTime": "2026-12-10T19:00:00.000Z",
                    "conditionId": "0x9f1c1c4c1d6a2b2f0d5a7e8b3c4d5e6f708192a3b4c5d6e7f8091a2b3c4d5e6f",
                    "eventId": "606422",
                    "fees": {
                      "feeType": null,
                      "rate": 0
                    },
                    "id": "512329",
                    "label": "25 bps decrease",
                    "liquidity": "125000.5",
                    "minOrderSize": "5",
                    "negRisk": true,
                    "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"
                  }
                ],
                "negRisk": true,
                "observedAt": "2026-10-30T12:00:00.000Z",
                "status": "open",
                "tags": [
                  "economy",
                  "fed"
                ],
                "title": "Fed decision in December?",
                "venue": "polymarket",
                "volume24h": "95000"
              }
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/v1/predict/polymarket/events/:eventId",
        "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": {
                    "eventId": {
                      "pattern": "^[A-Za-z0-9_-]{1,128}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "eventId"
                  ],
                  "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": "2026-11-02T17:24:18.198Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:24:17.997Z"
    },
    "resource": "https://chainhilt.ai/api/v1/predict/polymarket/events/:eventId",
    "serviceName": "chainhilt-x402",
    "tags": [
      "predict",
      "polymarket",
      "prediction-markets",
      "markets"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "An event and every market under it. The venue's grouping of markets: every line of a match, or the mutually exclusive outcomes of a multi-outcome question (`negRisk: true` means exactly one of them resolves Yes). Markets come back in the search-result shape (outcome tokenIds, tradability, fees), each with the venue's short `label` when it has one. Reach an event from any market's `eventId`; an unknown id is a 422."
}

What the leaf hashes

{"body":"d64137ce3e7b9cd4e1d5a65ee365aba3f99949bfbbd204d1d9f58fa424aa14a2","id":2199960,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646794402458,"prev":null,"subject":"x402_bazaar:https://chainhilt.ai/api/v1/predict/polymarket/events/:eventId","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. 0x7be769ed74c7c9245506e20d45318a92d95d9fd1d4a0c9e127cf7c63b6182743
2. 0xb11b19a025c4ceb7d63d886d983a39e7bc10f003e05ad5078473ba351870be8b
3. 0xf7d6e476cf5dd3935fee87cbf27f160f0722041c9e07db12ebe2393d4a989c8f
4. 0x0537fda491c347b1cdfd410927531480b66baa8fc2b1426933208890480c12b4
5. 0x43503fca3a62866b28dc52c167a3467141834a6e536d77d19332508489ab812d
6. 0x2962fd2aa0dc16f44a3c40798c3e55dc1324f19be6a62f617aee5850be776f2a
7. 0xbad3930a9343d68a1b4b6ea3c7bc7c08b3eb13826245db334097c464e99941ee
8. 0x7c5760d0efcd0d40cc84775c8bfe4ea35a75acca2f69bc36ec2995370b93c545
9. 0x1de7dfe71ec8c94503390e88dcadcb5fb3b9749adebe75f96b3d1cc0cf91e8a2
10. 0x962ec8e347b6d9eb2594ae17c1ccb4308fddb452459dcbab9bdba716eedee522
11. 0x80614ff0bb118866855ba3177583f0e552fff2ad4af91f6481145be78d8dcd31
12. 0x8d1e21bdb30d190f33f362fb3e038520281852ad2d6e49bf14075b805164fae9
13. 0x96da2b0c348fe4c196311a3c711ae28b065713c442f3976e291c0a6f22cb1f7e
14. 0x3e60cda43ffc319c006284ca48609bc80da357b45fb9e0a57810e00816d3e8e0
15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af