Evidence row 2633478

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": "32228"
            },
            "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": "2026-11-02T23:26:12.708Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T23:26:12.584Z"
    },
    "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":"538aadcdb9b60b76b0a9d3423587e1e684c0fae66fa6bc5ea6f9fb1eb2e28937","id":2633478,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734405219767,"prev":2199960,"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 2026-11-03 (425475 rows).

1. 0x552117f141790e8cc474b7058cbbc4058e3f8eb65d078a9407991e46694ef4e2
2. 0x85e61b561b7fec959884c3f6fdcb527b74b361f53fc692d021e4ae5328425e0f
3. 0x00bcfb67e7f6ab45c7310e297e4a66f2e503a1d8016286e312c7230b529a0e04
4. 0x538e01435f637fd1330a0345a9a17462c50016fff95c5ceffa0d112923a80c4c
5. 0x4b1b239a57ae56e174e641f452fb28dd163fb530afa1031387c8a9a6e79d9f92
6. 0xde7156826c5349ee09b5ba8b245079eacd119831141434532390b054d78a87f7
7. 0x4c47a944d4782180f211597d419a1a9beb8697786ef30e37661e0911531f6f46
8. 0x945400056b082c78271352cb54472fef8d44f64e2b24694b07002102dfecbac6
9. 0x54ca3caa7989e0e35febb0ecef243e290a003d4bf7607074e16a59ae468ede5d
10. 0x7e18f234c2ff57f141815eb88df5016804ab2ac3d2c84becf206fe1fc42ea10e
11. 0xd7fd217e2dc94377e297482761618a6e17d246ea5d0aaf5f18e9b137c212a337
12. 0x0fac9ee8ff23cf76ee996122a99c7b199af94dd0db3506b16e5b12c78c6559dc
13. 0x130f30e899bc8ce212e170bbaa25774f0c81fe70574c3d294e9d7dd39ef78bb6
14. 0xa0355815fb68405edba1fd1bafdab2a650279d2317deb0f4dba32a14a86d8ec4
15. 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7