Evidence row 116816

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mcp.gapup.io/api/v1/call/kalshi_markets"
    ]
  ],
  "name": "mcp.gapup.io/api/v1/call/kalshi_markets",
  "owner_address": "0xba1e0a29b7c3ca3bca23ffd6922c6c37fbcc730c",
  "raw": {
    "accepts": [
      {
        "amount": "8000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "Live Kalshi prediction markets (CFTC-regulated), with implied probability from the yes bid/ask mid, volume and open interest.",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "8000",
        "maxTimeoutSeconds": 60,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "payTo": "0xbA1E0A29B7C3CA3BCa23FfD6922c6c37fBcc730c",
        "resource": "https://mcp.gapup.io/api/v1/call/kalshi_markets",
        "scheme": "exact"
      }
    ],
    "description": "Live Kalshi prediction markets (CFTC-regulated), with implied probability from the yes bid/ask mid, volume and open interest.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "includeUnpriced": true,
              "limit": 1,
              "query": "example",
              "status": "open"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "result": {},
              "source": "rest-api",
              "tool": "kalshi_markets"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "description": "Live Kalshi prediction markets (CFTC-regulated), with implied probability from the yes bid/ask mid, volume and open interest.",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "properties": {
                    "async": {
                      "description": "If true, returns a job_id immediately (<200ms) instead of waiting for the result. Poll the result with job_result(job_id). Use for slow tools to avoid client timeouts.",
                      "type": "boolean"
                    },
                    "includeRaw": {
                      "description": "Include Kalshi's original fields (default false)",
                      "type": "boolean"
                    },
                    "includeUnpriced": {
                      "description": "Also return markets with no live bid/ask (default false — they carry no information)",
                      "type": "boolean"
                    },
                    "limit": {
                      "description": "Maximum markets (default 20)",
                      "maximum": 100,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "query": {
                      "description": "Free-text filter on the market question",
                      "maxLength": 200,
                      "type": "string"
                    },
                    "status": {
                      "description": "Market status (default open)",
                      "enum": [
                        "open",
                        "closed",
                        "settled"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-18T01:20:51.308Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-18T01:20:51.1Z"
    },
    "resource": "https://mcp.gapup.io/api/v1/call/kalshi_markets",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live Kalshi prediction markets (CFTC-regulated), with implied probability from the yes bid/ask mid, volume and open interest."
}

What the leaf hashes

{"body":"1a402b386ea9ae2f50f53ae24e0de12698676ee7f424d7a6ac65b833411725ef","id":116816,"kind":"listing","method":"baseline/1","observed_us":1793025610305120,"prev":null,"subject":"x402_bazaar:https://mcp.gapup.io/api/v1/call/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 2026-10-26 (296695 rows).

1. 0x8d8603dc10ae82a70817716e7485c1d4646fd766d2626e47719b58cb86e09af4
2. 0xe754ef8d74c28de6db1467511569d1dd057b2305d1f812a76761977039966ec0
3. 0x5466f3a96dffa5d3180837f628bb9bb3564341f0dd737eb24813df1a0c44e094
4. 0x95d333697e461ff37efedb29eaab228337b58d9f07d8aa05c962bee8a09f8c8e
5. 0xdb007f64f5be4a3ed3f78b9bfd2d2e42a704de241befe54a0e0fa410989a4259
6. 0xd81d4a77ea001ece7582a3cad2379c1c892d6eb0630b22b29dce7b83470914ee
7. 0x30d1f59c39a99da500649c4a2643120d41ae38d906ac37344a544c74a64f42e6
8. 0xe9e2a69fd7fdb762e320d3f9f5d8eca6f0c91162ed67af93de981a1378b13449
9. 0x8740340a24cd78c9870cdf4d30c6018249d97da848721d4b77f04b138a763dc9
10. 0x57adb884aa6187c9e7f153cc992251efcdbefadc60f2e9d6a2c0a9c60d412203
11. 0x6880847de0a4b4b8c14408244df84ff11ac20d4049a575846d0700a7a91132ca
12. 0x59a4efa65a01e4e2abdb3b8b7bb673db6d1c72e0f9d52dd2f94777b14a5b061c
13. 0xc0cb184c9bdf71abcf18fda97bd59289153d120dbf8fee9f517b63bf303deb95
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae