Evidence row 1509140

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": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "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"
        }
      }
    },
    "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": "2026-10-30T18:46:43.052Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-30T18:46:42.891Z"
    },
    "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":"d3e3fdb804a36a8956049b649bdcb3a43430aff8e9b09e2d596890b94167ce91","id":1509140,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472785815845,"prev":1263029,"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 2026-10-31 (246033 rows).

1. 0x2381de1686f0196ffe54be57dfd1b921c253b92fa7317a4d8c74d438f345f332
2. 0xca16b787bc3bcfdddff3ee987be2d2124fe4e27e0b4e3785c03a7af3e5d55389
3. 0x406ef433df3cb9fae4c5ffee3436abb1da329c9159f1c908269190671c8f8618
4. 0x83e0bcb283aa7ff69d7cfca21a87bee7d8030a0eaeb9c99cafea60b1f65a2a3b
5. 0xe56efae078820365da4740f4bf1e204ace7477de846cb1252a2a7d5092d7ca1e
6. 0xbaa3b9aa1ca505282e7731c72c60cb29176a4b7594eb7f81fd0a058f8cf68613
7. 0x8a99ef06420da3bce27040cc89c2ba19742a539e0809bbe638551672a7027dc3
8. 0x99d6fa25710a5771bec3243aacd7442171a7a416d5c2de09c77932297e6403f9
9. 0xe7cd506d5ec6b9c74017973216cf7dec21a95ed65db91389ea421925c906604a
10. 0x8d823b0eeb75a5d077927d69f67f8001024d5aff69d4654dade9b91d88c2cad7
11. 0x91ded3df6901af30dfc6076f678f8c89226d95132e91ccb258435433bb2a9aba
12. 0xc05c427d3e111a524a4dc15aef0c241d92fdf08e1670c34b27c22d513b11991c
13. 0x1f697283f41d2425268978efdad1b5ce0e4fee30f5bc2fba2c8f832307b40721
14. 0x4c7bf6d7d7c379b3c87447200f991359af0970fc33642e540cd6032a5a5b24f6
15. 0x5212e7c531721a66b1d21d8222c94df019d60ce8150c25bfebe2e6eb1dd39726
16. 0x24ea73817c2ff07f87a42be89aff36ac5fe49b64420a647cd406ee60e6a77f70
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0