Evidence row 547129

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://aizamon.com/x402/v1/bot-fuel"
    ]
  ],
  "name": "Prediction market arbitrage",
  "owner_address": "0xb88544cf8e9e97eeb2f313e0d3528fc1e50c2887",
  "raw": {
    "accepts": [
      {
        "amount": "250000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "amountUsdc": 0.25,
          "assetTransferMethod": "eip3009",
          "intentId": "b37474d8-701d-480f-be9e-33f8abbba714",
          "name": "USD Coin",
          "resourceUrl": "https://aizamon.com/x402/v1/bot-fuel",
          "sku": "SKU_AG_BOT_FUEL_01",
          "version": "2"
        },
        "maxAmountRequired": "250000",
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xB88544cF8E9E97EEb2F313e0D3528FC1e50C2887",
        "scheme": "exact"
      }
    ],
    "description": "Get one Polymarket versus Kalshi gap card with the topic, both yes prices, gap cents, a fee-adjusted net edge, buy and sell venues, and a suggested action. The fee-adjusted net edge is the number a trading wallet acts on. $0.25 USDC. Inline JSON. Includes a signed Ed25519 receipt you can check with the published key.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "q": "openai ipo"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "ok": true,
              "protocol": "x402",
              "result": {
                "botFuel": {
                  "card": {
                    "buyVenue": "kalshi",
                    "gapCents": 12,
                    "netEdgeCents": 8,
                    "sellVenue": "polymarket",
                    "topic": "example market gap"
                  },
                  "count": 1,
                  "schema": "botFuel.v2"
                },
                "product": "Bot Fuel — Single Gap"
              },
              "sku": "SKU_AG_BOT_FUEL_01"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "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": {
                  "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": "2026-10-27T13:41:13.144Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-27T13:41:12.923Z"
    },
    "resource": "https://aizamon.com/x402/v1/bot-fuel",
    "serviceName": "Prediction market arbitrage",
    "tags": [
      "prediction market",
      "arbitrage",
      "polymarket",
      "kalshi",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Get one Polymarket versus Kalshi gap card with the topic, both yes prices, gap cents, a fee-adjusted net edge, buy and sell venues, and a suggested action. The fee-adjusted net edge is the number a trading wallet acts on. $0.25 USDC. Inline JSON. Includes a signed Ed25519 receipt you can check with the published key."
}

What the leaf hashes

{"body":"ae8973d8b231d9609e1e17ce3cea7b5373dd3673af4fc367dc3c148871845550","id":547129,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133174891970,"prev":64361,"subject":"x402_bazaar:https://aizamon.com/x402/v1/bot-fuel","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xd93aa576d7ebc9924048e705aaf3a65d0f8a8f582c6dec0b5c01f79f133213be
2. 0xdc73ab830642231a48285e6c09ca917d6aafa8deb49ebfe6e0b3d7b5ef700647
3. 0xa44141832dd825da74d5217af90dd2e5c2aaf966905b6b85a4238557ff1d4e04
4. 0xc1c994f8743d82ed7c57c26edae583ad2b798b09ace98514948483fb25bd2d9d
5. 0x4d40e20b89c52249e221e4759eda29616bf71376e25fd75ed880e52797eab5f5
6. 0x9d4dfa62e45c18225b240893be63fb852aba98bd6b8c7e65f3cea2bedf81d973
7. 0xad21da8b4a45804441718682de6266e1d60e02da748b35248527827e50008fb2
8. 0x379d64f414ffa84d5fb6ff7e5d3dea4afb6069483e94ed7552e174c03400c426
9. 0xdf2347e2851ebac990c238bb55712a49f1ed7dae270c127269461db7a860b13c
10. 0x2c49e7f47033c6b099b0d50cc06df345398685d0c02e89c800c81e1cee1393d3
11. 0x7f6de085812928d3d7f3b15191238d47e17ef53dc519c83f30704118bb423398
12. 0x29ce226640d83db3bc63fef23427a7af561200d30ffde9b1b7a61b814b844a39
13. 0x13692b463800846f580925c8ea49b43f92b7df3f9e8d32b8a18802640cca3780
14. 0xd59f3e577867f5105dd7f75598f16da8286185e426dfcdafb84e733fde2b2492
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4