Evidence row 1792056

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://2s.io/api/predict/kalshi-markets"
    ]
  ],
  "name": "2s",
  "owner_address": "0x2b6d4988db4723e6908db86ab2b8dfbc51fc32c5",
  "raw": {
    "accepts": [
      {
        "amount": "2500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5",
        "scheme": "exact"
      },
      {
        "amount": "2500",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP",
          "name": "USDC",
          "version": "1"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn",
        "scheme": "exact"
      }
    ],
    "description": "Browse Kalshi regulated prediction markets. Filter by status (open/closed/settled), event_ticker, series_ticker, or specific tickers; page with limit + cursor. Each market returns yes/no bid+ask and last price (in dollars, 0-1 = implied probability), 24h + total volume, liquidity, open interest, open/close times, and result if settled. Read-only mirror of Kalshi's market list (no Kalshi key needed).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "cursor": "example",
              "eventTicker": "example",
              "limit": 1,
              "seriesTicker": "example",
              "status": "unopened",
              "tickers": "example"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "const": "GET"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "cursor": {
                      "maxLength": 400,
                      "type": "string"
                    },
                    "eventTicker": {
                      "maxLength": 120,
                      "type": "string"
                    },
                    "limit": {
                      "maximum": 100,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "seriesTicker": {
                      "maxLength": 120,
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "unopened",
                        "open",
                        "closed",
                        "settled"
                      ],
                      "type": "string"
                    },
                    "tickers": {
                      "description": "Comma-separated tickers.",
                      "maxLength": 400,
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "queryParams"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1782067076/bazaar-icons/58f7ba8f2b3b8047.png",
    "lastUpdated": "2026-11-01T06:53:24.886Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-11-01T06:53:24.695Z"
    },
    "resource": "https://2s.io/api/predict/kalshi-markets",
    "serviceName": "2s",
    "tags": [
      "public-records",
      "identifiers",
      "ai-agents",
      "us-gov-data",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Browse Kalshi regulated prediction markets. Filter by status (open/closed/settled), event_ticker, series_ticker, or specific tickers; page with limit + cursor. Each market returns yes/no bid+ask and last price (in dollars, 0-1 = implied probability), 24h + total volume, liquidity, open interest, open/close times, and result if settled. Read-only mirror of Kalshi's market list (no Kalshi key needed)."
}

What the leaf hashes

{"body":"51636b0f2d11b6cca718bca499c57dd59b5888eaf2f9523ae373f1554accd17d","id":1792056,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560006602603,"prev":1509140,"subject":"x402_bazaar:https://2s.io/api/predict/kalshi-markets","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x738659f479ea3a738ffe3a9013392aaa86c70dca31170cbafc64092e6c7b1253
2. 0x4a1b5aca148189595f3d74bd4b0cd35da67de8957f265edfda0861be6fc421e7
3. 0x527c2dee75ee72632fceb000003f82b0344562bd35af4edc055cf0b9a0f59157
4. 0x7256237d860d787dbabc907c423800146b73e5fea4c146631aee71422bd0b715
5. 0x587df5012758a8cba344b540fc577021479b45a911d9def4e26d61a45de5758e
6. 0x604b6278452acc3a371ae11ef6b7d0ba1ea217f49202ac75451230a34509b8bf
7. 0xee7201bf6d69434b296fdb64679b042bbd3d05947c7253e184cb7fd83e1a023b
8. 0x73e200aa5ddb49704b666c05dcc3ca9efb59ae31ebfe746f89b8185c4c833482
9. 0x3db00efad68d9870e72f2be445516b5d6383bdfd35bf4f19a21dcf1eedcb7442
10. 0xbd5a22f00e48e3b8ff6d51dcbee92fa2c13ba47ea6d8a7ae86aee043a7b2a707
11. 0xbd434dde6c15bb6ddce848ee8501d0740518a6e9c9f286ff5b7fbacd38566805
12. 0x9225199f9f9007724cfab30f8252870de214e3fa4464c9b48797718fda302667
13. 0xeed7e951b5e4701a6d9e1ccb44369bdaeb14efaf3655042a73f8487da4230bf1
14. 0x3c3408392402b125bd2c2cfb11c655ba3e5ef4f456caee26d4ee38a093e93c53
15. 0x614dbc600bca0766e288d2a5ebb7709ac565230ac6acdc88a5e4a7a5ff53c58e
16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90