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Evidence row 64225

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://agentx402pay.com/api/prediction-arb
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d5181bee7cd7e72ba762deaa68dc78fee305629a53b792f5fb73165c2cc44232
Leaf
0x1a77df4e810d400dbbc73d09fcb9de3c87a194f672f6865985208418d6981cb6

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentx402pay.com/api/prediction-arb"
    ]
  ],
  "name": "agentx402pay.com/api/prediction-arb",
  "owner_address": "0xb2bdc37b8481f4cdcf38402cfcd446ae5133beef",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xB2BDc37b8481F4CdCF38402CFCd446Ae5133BeeF",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xB2BDc37b8481F4CdCF38402CFCd446Ae5133BeeF",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xB2BDc37b8481F4CdCF38402CFCd446Ae5133BeeF",
        "scheme": "exact"
      },
      {
        "amount": "50000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "FGbmnF4YVfNfh3VCJGGh4VkXxS5X2nzh4sw1UwahSESX",
        "scheme": "exact"
      }
    ],
    "description": "Find prediction-market questions priced differently on Polymarket vs. Kalshi — a cross-platform divergence signal built from data no single-platform competitor has",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": "5",
              "minDivergencePct": "10"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 1,
              "matches": [
                {
                  "cheaperYesOn": "kalshi",
                  "divergencePct": 12.4,
                  "kalshi": {
                    "subTitle": null,
                    "ticker": "KXFED-99",
                    "title": "Fed cuts rates at September FOMC meeting?",
                    "yesProbability": 0.496
                  },
                  "matchScore": 0.5,
                  "polymarket": {
                    "question": "Will the Fed cut rates in September?",
                    "slug": "example-market",
                    "volume24hr": 45678.9,
                    "yesProbability": 0.62
                  }
                }
              ],
              "minDivergencePct": 10,
              "note": "Matches are found by keyword-overlap similarity...",
              "query": null
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "limit": {
                      "description": "Max matches to return, 1-25 (default 10)",
                      "type": "string"
                    },
                    "minDivergencePct": {
                      "description": "Minimum probability-point divergence to include, 0-100 (default 5)",
                      "type": "string"
                    },
                    "q": {
                      "description": "Optional keyword filter on the matched question text",
                      "type": "string"
                    }
                  },
                  "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"
        }
      },
      "offer-receipt": {
        "info": {
          "offers": [
            {
              "acceptIndex": 0,
              "format": "eip712",
              "payload": {
                "amount": "50000",
                "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "network": "eip155:8453",
                "payTo": "0xB2BDc37b8481F4CdCF38402CFCd446Ae5133BeeF",
                "resourceUrl": "https://agentx402pay.com/api/prediction-arb",
                "scheme": "exact",
                "validUntil": 1792432051,
                "version": 1
              },
              "signature": "0xffb19cac0c6ac315c5556a657feafa7948d40861a11d6fcd3cc6341fa58ee0b93f43a6e90d980e7392fc7a3adc5796cfb3b646cba50c72e3719e86ab9a6200891c"
            },
            {
              "acceptIndex": 1,
              "format": "eip712",
              "payload": {
                "amount": "50000",
                "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
                "network": "eip155:137",
                "payTo": "0xB2BDc37b8481F4CdCF38402CFCd446Ae5133BeeF",
                "resourceUrl": "https://agentx402pay.com/api/prediction-arb",
                "scheme": "exact",
                "validUntil": 1792432051,
                "version": 1
              },
              "signature": "0x929b970737fcc2eb062bfae107d1706a02bd44e9ac62a8e7f3c9ef552f263b2c5f1a8134dd4c02797c74bac079278093730515ae3cdca8a2c28d66a6ca7fbfd11c"
            },
            {
              "acceptIndex": 2,
              "format": "eip712",
              "payload": {
                "amount": "50000",
                "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
                "network": "eip155:42161",
                "payTo": "0xB2BDc37b8481F4CdCF38402CFCd446Ae5133BeeF",
                "resourceUrl": "https://agentx402pay.com/api/prediction-arb",
                "scheme": "exact",
                "validUntil": 1792432051,
                "version": 1
              },
              "signature": "0xbfdb0291802c913e943603f6f0185f933bb5f0a005941caca895730d99a2ecd710b73b2b2d0def595404f24eb829f0c582b9bd34ec8cbcd24942cfdc71ae2b861b"
            },
            {
              "acceptIndex": 3,
              "format": "eip712",
              "payload": {
                "amount": "50000",
                "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
                "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
                "payTo": "FGbmnF4YVfNfh3VCJGGh4VkXxS5X2nzh4sw1UwahSESX",
                "resourceUrl": "https://agentx402pay.com/api/prediction-arb",
                "scheme": "exact",
                "validUntil": 1792432051,
                "version": 1
              },
              "signature": "0x3e84751d51631a9dca1e7a3a1d3f110a9f99e2e6522834220333331e91b3fc5c39331740fdfa17f9de923af67151754d56edd79989438eb7dc7e3f0ba362a32e1c"
            }
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "offers": {
              "items": {
                "properties": {
                  "acceptIndex": {
                    "type": "integer"
                  },
                  "format": {
                    "type": "string"
                  },
                  "payload": {
                    "properties": {
                      "amount": {
                        "type": "string"
                      },
                      "asset": {
                        "type": "string"
                      },
                      "network": {
                        "type": "string"
                      },
                      "payTo": {
                        "type": "string"
                      },
                      "resourceUrl": {
                        "type": "string"
                      },
                      "scheme": {
                        "type": "string"
                      },
                      "validUntil": {
                        "type": "integer"
                      },
                      "version": {
                        "type": "integer"
                      }
                    },
                    "required": [
                      "version",
                      "resourceUrl",
                      "scheme",
                      "network",
                      "asset",
                      "payTo",
                      "amount"
                    ],
                    "type": "object"
                  },
                  "signature": {
                    "type": "string"
                  }
                },
                "required": [
                  "format",
                  "signature"
                ],
                "type": "object"
              },
              "type": "array"
            }
          },
          "required": [
            "offers"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792349576/bazaar-icons/2476206f1e041b3f.png",
    "lastUpdated": "2026-10-19T17:42:31.611Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-19T17:42:31.446Z"
    },
    "resource": "https://agentx402pay.com/api/prediction-arb",
    "tags": [
      "prediction-markets",
      "polymarket",
      "kalshi",
      "arbitrage",
      "crypto"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Find prediction-market questions priced differently on Polymarket vs. Kalshi — a cross-platform divergence signal built from data no single-platform competitor has"
}

What the leaf hashes

{"body":"d5181bee7cd7e72ba762deaa68dc78fee305629a53b792f5fb73165c2cc44232","id":64225,"kind":"listing","method":"baseline/1","observed_us":1793025456340305,"prev":null,"subject":"x402_bazaar:https://agentx402pay.com/api/prediction-arb","subject_kind":"source_record"}

Proof

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

  1. 0x1a77bdfed1d0234eb3c5b67afc4dc7cc6d4956432495de9c38ce23ed26add895
  2. 0x33c6449f697e1719f4b9afb1c8364a6d48a5770d63c7176d0a578a88bf99b4b0
  3. 0x7649b1d953d98fc8b0ee82a653f98b1b97602bde82903d7ecf638980642a0641
  4. 0x05e55fff978ea323f790d6c40ee71e037f1df35efc650e9dfd6f71a5aa3ff774
  5. 0x4ed0a5dc7abde956355ca846fd41ef8aba429e6fc70f35c4c9e301b4a0010dd3
  6. 0xae278b64dc9a6c4ad1f7fdf511f237fd44fbae7eb2163d7cffb9866172ba17da
  7. 0x90ec7a63a30fc941caac9061f2d5abe219029bd8f9a535931584c5140b4b57b2
  8. 0x77ca1c9a7b86ff04427434ae2173c042d2123500c67c0ea04de50bb976c9454a
  9. 0x24d5aad156961d9c3f6fc7b13a88e5aab7513d450224f23a56e55a57f094f7fa
  10. 0xdd23b279d0847860786130eecc85f2b83d5c655bfd9ab282efff968c5d7bdc6d
  11. 0x6a51e1d524ffd968d6f505e10f76aacd4ae61fc223a88a38ef8820592653c75a
  12. 0x6a8a72430804a14ec575375f3d0ca4364f58310afb2c2e8c92b72f8b75809db9
  13. 0xe00c7829e46541e49a308807d357db902e06eff941a833217a8f0dbccd3964f1
  14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
  15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON