Evidence row 116907

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mechamanda.com/api/polymarket/historical"
    ]
  ],
  "name": "mechamanda.com/api/polymarket/historical",
  "owner_address": "0xbad1aa224bfe4feb460e12b2553dcdf98a7098d0",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xbAd1Aa224bFe4fEb460E12b2553DcDf98a7098d0",
        "scheme": "exact"
      }
    ],
    "description": "Get resolved/historical prediction markets from Polymarket. Filter by date range, slug, or category.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": "5",
              "offset": "0"
            },
            "type": "http"
          },
          "output": {
            "example": [
              {
                "description": "This market resolves Yes if...",
                "liquidity": 120000,
                "outcomePrices": [
                  "0.92",
                  "0.08"
                ],
                "outcomes": [
                  "Yes",
                  "No"
                ],
                "question": "Will the Fed cut rates in January 2026?",
                "volume": 890000
              }
            ],
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "endDateMax": {
                      "description": "Filter events that ended on or before this date (ISO 8601)",
                      "type": "string"
                    },
                    "endDateMin": {
                      "description": "Filter events that ended on or after this date (ISO 8601)",
                      "type": "string"
                    },
                    "limit": {
                      "description": "Max number of events to return (default 5)",
                      "type": "string"
                    },
                    "offset": {
                      "description": "Pagination offset (default 0)",
                      "type": "string"
                    },
                    "slug": {
                      "description": "Look up a specific event by slug",
                      "type": "string"
                    },
                    "tag_slug": {
                      "description": "Filter by category tag (e.g. politics, sports, crypto)",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "items": {
                    "properties": {
                      "description": {
                        "description": "Market description",
                        "type": "string"
                      },
                      "liquidity": {
                        "description": "Current liquidity in the market",
                        "type": "number"
                      },
                      "outcomePrices": {
                        "description": "Current prices for each outcome (0-1)",
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      },
                      "outcomes": {
                        "description": "Possible outcomes (e.g. Yes/No)",
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      },
                      "question": {
                        "description": "The market question",
                        "type": "string"
                      },
                      "volume": {
                        "description": "Total trading volume",
                        "type": "number"
                      }
                    },
                    "required": [
                      "question",
                      "outcomes",
                      "outcomePrices",
                      "volume"
                    ],
                    "type": "object"
                  },
                  "type": "array"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-21T21:12:09.884Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-21T21:12:09.647Z"
    },
    "resource": "https://mechamanda.com/api/polymarket/historical",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Get resolved/historical prediction markets from Polymarket. Filter by date range, slug, or category."
}

What the leaf hashes

{"body":"6e5150232cb87222c99e23dd6fef15d8f0a18d50fc34f4d23d669b9fe5664b44","id":116907,"kind":"listing","method":"baseline/1","observed_us":1793025610400703,"prev":null,"subject":"x402_bazaar:https://mechamanda.com/api/polymarket/historical","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x7bf85e6b29dde095639925dc47aee3d4e2381d91665a57c99f8fd80ff76d5388
2. 0xebc478734e93182793587c3cf31b1c15a2e6921c6debf8722dd46c7f9ee13e1f
3. 0x5c6572a1a3933e39dec84e5f026a16e8c6e5af231736066451e2b060dc401247
4. 0xab3638e2d0988cfaf3c0aa231b94131d972acb096f9cd6796ee5a28355152494
5. 0x70bc4c66a7032c3dd4dbef22633c806876328f9e902b8a0d73f2defeb8af0285
6. 0x30803efcb0eda13f5592ced9caa79aefea1390a01895b9c07eb5951609b3a430
7. 0xc5ce060f58f4a093072f232a72d5605bc54a887da0e1455cc194b67a1c54aaf6
8. 0xc14dbe26f17f5dbc74f844d938d214286acb96bb37e05a3f32e7f4eb48a13404
9. 0xa3ae6abfe2623f21b3c91833ce5dc5008ff7d64e1c0d130ad93081e466ff531d
10. 0x0c2fac2a4320950bef314ab7fe7c8935c69ddf370144f7fc8c185fb2757cac53
11. 0x2c4bc324cca0a9cf9acc1b58f29ce72853140e0ac2b1e69e9b827dfe71904616
12. 0x779c77295186b32da6387dfb36d3a76522e7d713472a7cebed7c93529ccc4be6
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae