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Evidence row 2199909

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://chainhilt.ai/api/v1/predict/polymarket/orders/construct
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
c2176e630154f204437a8f24398a258522c253492a8ad429caf72ace23d8c54d
Leaf
0xe90b60ef07f9d0704662496163eb0e955c26385b6da498b1116621b2c5f0ebb6

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://chainhilt.ai/api/v1/predict/polymarket/orders/construct"
    ]
  ],
  "name": "chainhilt-x402",
  "owner_address": "0xdece8e839414e4a99213c658abbd2294d5bd42b0",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xdECE8E839414E4a99213C658ABbD2294d5BD42B0",
        "scheme": "exact"
      }
    ],
    "description": "Construct a prediction-market order; never submits. `account` is the signer EOA; by default the maker is its deposit wallet (signatureType 3). Requires `credentialToken` from /predict/polymarket/credentials. Returns `construction` and a signature action the chainhilt wallet signs and POSTs to /predict/polymarket/orders/submit. Review orderSummary and warnings before signing: `estimatedBuilderFee` (ours) and `estimatedVenueFee` (Polymarket's) are pUSD on top of the principal.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "account": "0xE4934BB19E0B97109033dBfDcCc6957E32F9Cc60",
              "credentialToken": "pcr1.…",
              "marketId": "512329",
              "orderType": "GTC",
              "outcomeTokenId": "111",
              "postOnly": false,
              "price": "0.42",
              "side": "buy",
              "size": "10",
              "walletType": "deposit_wallet"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "construction": {
                "constructionToken": "…",
                "orderSummary": {
                  "estimatedBuilderFee": {
                    "amount": "0.021",
                    "asset": "pUSD"
                  },
                  "estimatedVenueFee": {
                    "amount": "0",
                    "asset": "pUSD"
                  },
                  "limitPrice": "0.42",
                  "shares": "10",
                  "side": "buy"
                },
                "venue": "polymarket",
                "warnings": [],
                "wire": {
                  "expiration": "0",
                  "orderType": "GTC",
                  "postOnly": false
                }
              },
              "response": {
                "actions": [
                  {
                    "chainId": 137,
                    "data": {
                      "constructionToken": "…",
                      "credentialToken": "pcr1.…",
                      "typedData": {
                        "primaryType": "TypedDataSign"
                      }
                    },
                    "protocol": "polymarket",
                    "submitPath": "/predict/polymarket/orders/submit",
                    "type": "signature"
                  }
                ],
                "errors": [],
                "warnings": []
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$schema": "https://json-schema.org/draft/2020-12/schema",
                  "additionalProperties": false,
                  "properties": {
                    "account": {
                      "pattern": "^0x[a-fA-F0-9]{40}$",
                      "type": "string"
                    },
                    "credentialToken": {
                      "minLength": 1,
                      "type": "string"
                    },
                    "expiresAt": {
                      "type": "string"
                    },
                    "marketId": {
                      "pattern": "^[A-Za-z0-9_-]{1,128}$",
                      "type": "string"
                    },
                    "orderType": {
                      "enum": [
                        "GTC",
                        "GTD"
                      ],
                      "type": "string"
                    },
                    "outcomeTokenId": {
                      "minLength": 1,
                      "type": "string"
                    },
                    "postOnly": {
                      "default": false,
                      "type": "boolean"
                    },
                    "price": {
                      "pattern": "^0\\.[0-9]{1,6}$",
                      "type": "string"
                    },
                    "side": {
                      "enum": [
                        "buy",
                        "sell"
                      ],
                      "type": "string"
                    },
                    "size": {
                      "pattern": "^[0-9]+(\\.[0-9]{1,2})?$",
                      "type": "string"
                    },
                    "walletType": {
                      "default": "deposit_wallet",
                      "enum": [
                        "deposit_wallet",
                        "eoa"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "marketId",
                    "outcomeTokenId",
                    "side",
                    "orderType",
                    "price",
                    "size",
                    "account",
                    "credentialToken"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T17:45:31.471Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:45:30.069Z"
    },
    "resource": "https://chainhilt.ai/api/v1/predict/polymarket/orders/construct",
    "serviceName": "chainhilt-x402",
    "tags": [
      "predict",
      "polymarket",
      "prediction-markets",
      "execution",
      "orders"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Construct a prediction-market order; never submits. `account` is the signer EOA; by default the maker is its deposit wallet (signatureType 3). Requires `credentialToken` from /predict/polymarket/credentials. Returns `construction` and a signature action the chainhilt wallet signs and POSTs to /predict/polymarket/orders/submit. Review orderSummary and warnings before signing: `estimatedBuilderFee` (ours) and `estimatedVenueFee` (Polymarket's) are pUSD on top of the principal."
}

What the leaf hashes

{"body":"c2176e630154f204437a8f24398a258522c253492a8ad429caf72ace23d8c54d","id":2199909,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646793528165,"prev":null,"subject":"x402_bazaar:https://chainhilt.ai/api/v1/predict/polymarket/orders/construct","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xe90b71c4248650e8b6da6badc6408ab5718cc41bd3ff52ffcf2dc56748f678f6
  2. 0x09afda14d11b35a615832a6eb21f268f0b96370512df5c5bed7d3c811c059a21
  3. 0xf93638f33e88920edd41d381905d9382a367f2d18617f26c4a5bbfcad8643115
  4. 0xf1d8e6cb11767f36f2454740daba65c2d1a0b9329ed3aa2f625498a7ef2fcade
  5. 0x5fdac85abb81d36d13ebe1f521e26cce88d4dbb1c31427c3571e214ea4d93e18
  6. 0x402881383bfbce520fc4063a7ac6206ae066401a9f3781afa31a7a07ad4f798a
  7. 0x5a9276e855bf27e8af454f5acbdd250a28c23936d2001bbf121148d0695b3677
  8. 0x8374d7fa64c501d83e4f941f70942165ddd7664e79881886eefeab1d9b3de5ea
  9. 0x4842d310c66e36388af30a9d3f2e21ed156323f247e9b70a2ab15530ea033f05
  10. 0xd4991ae38efdf88b20f6caae2d8cddf38ac44170e5ee95b70c03ba90b6da764b
  11. 0x8ce002611b01d35edabbef9028712ef4d7e696b54822de7ff0074fed9cdc3ea7
  12. 0x3c7341656db31bffc7d2eacb59896b1fbf8e7f1b9619769235c75a51adb0b1be
  13. 0x0418958fa118b0a6a70d8e336a1073213853f5a3502b9ffc66202cc82d3dd472
  14. 0xf02baa2f8f9b385919b2f698b2e9351b84bd44118a8d5a72f2d1303df2c329b4
  15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
  16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
  17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
  18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON