Evidence row 64364

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://aizamon.com/x402/v1/spread"
    ]
  ],
  "name": "aizamon.com/x402/v1/spread",
  "owner_address": "0xb88544cf8e9e97eeb2f313e0d3528fc1e50c2887",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "amountUsdc": 0.001,
          "assetTransferMethod": "eip3009",
          "intentId": "cd736f1d-2458-4312-903d-45e1635eaaf0",
          "name": "USD Coin",
          "resourceUrl": "https://aizamon.com/x402/v1/spread",
          "sku": "SKU_AG_SPREAD_01",
          "version": "2"
        },
        "maxAmountRequired": "1000",
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xB88544cF8E9E97EEb2F313e0D3528FC1e50C2887",
        "scheme": "exact"
      }
    ],
    "description": "Exact Polymarket and Kalshi yes prices for one topic. Pass ?q= as keywords, or omit q for the widest live gap. Returns gapCents, the cheaper venue, the Kalshi ticker and URL, and the Polymarket slug and URL. This is the mid-price gap. The cents left after you buy the ask and sell the bid are the net read. $0.001 USDC. The hour pass covers it.",
    "extensions": {
      "bazaar": {
        "discovery": {
          "category": "under-cap-micro",
          "openapi": "https://aizamon.com/openapi.json",
          "tags": [
            "x402",
            "spread",
            "arbitrage",
            "polymarket",
            "kalshi",
            "prediction-market",
            "mispricing",
            "under-cap",
            "market-data"
          ]
        },
        "info": {
          "input": {
            "headers": {
              "x-agent-id": "optional-stable-bot-id"
            },
            "method": "GET",
            "queryParams": {
              "q": "openai ipo"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "ok": true,
              "protocol": "x402",
              "result": {
                "product": "Cross-venue Spread — exact tick",
                "spread": {
                  "cheaperOn": "kalshi",
                  "gapCents": 8,
                  "kalshi": {
                    "ticker": "…",
                    "url": "https://kalshi.com/…",
                    "yes": 0.42
                  },
                  "polymarket": {
                    "slug": "…",
                    "url": "https://polymarket.com/…",
                    "yes": 0.5
                  },
                  "query": "openai ipo",
                  "topic": "Will Anthropic or OpenAI IPO first?"
                }
              },
              "sku": "SKU_AG_SPREAD_01"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "headers": {
                  "additionalProperties": {
                    "type": "string"
                  },
                  "type": "object"
                },
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "q": {
                      "description": "Market topic keywords. Omit for the top live gap.",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": true,
                  "properties": {
                    "ok": {
                      "type": "boolean"
                    },
                    "protocol": {
                      "type": "string"
                    },
                    "result": {
                      "type": "object"
                    },
                    "sku": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-21T17:03:51.327Z",
    "quality": {
      "l30DaysTotalCalls": 28,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-21T23:06:36.8Z"
    },
    "resource": "https://aizamon.com/x402/v1/spread",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Exact Polymarket and Kalshi yes prices for one topic. Pass ?q= as keywords, or omit q for the widest live gap. Returns gapCents, the cheaper venue, the Kalshi ticker and URL, and the Polymarket slug and URL. This is the mid-price gap. The cents left after you buy the ask and sell the bid are the net read. $0.001 USDC. The hour pass covers it."
}

What the leaf hashes

{"body":"45bc9d35022b8aea2750f8d0b2fad534075a1d113e66e3bed78c711104832752","id":64364,"kind":"listing","method":"baseline/1","observed_us":1793025456527536,"prev":null,"subject":"x402_bazaar:https://aizamon.com/x402/v1/spread","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. 0x1913db24723d700cb1231a7078564299c5228032b243cc9d49609c03ef794747
2. 0xf144ec3aa9169d4daa1fa8c9aef59de12dcdac87a441c7b13a42e755cba9cc47
3. 0x37406f72e96c1a05e11b197ce9a9a149ce622117dcc94c67c4b841a25d186b90
4. 0x2eaae126d9aba61c0b9b31967bfc8adc5386dea3b3473abab33999035f42c825
5. 0x4a1e76e7db3126c49ba1c979ddade834f42f093d676bf5d6c702ccf1f5a83431
6. 0xcfce1d169f179ed8bff1d9e50df093f42e1cd265fb91e5e743604a97e1766789
7. 0x94d2e3c569f495f77a3f85acb20e3d910925b81ed3b2073cf83a74d35fb9d59e
8. 0xed885f377c16339db2936d039f2acf8720060c23d4a17be3cdaabe4c98a88ce9
9. 0x50566d6198ca8c3af7617938ce8dd24b33dd4d078ae3044e0096ee9b02583a12
10. 0x22a40154924d75fee76be762401605048bce3556b7a3714fb3a594b3875c3a06
11. 0x0ebd017eb4cb5f6f3c01ae6562748898aa3fb42b150504be21c4050acea38366
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