Evidence row 125415

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-research-iota.vercel.app/api/x402/settlement-status"
    ]
  ],
  "name": "x402-research-iota.vercel.app/api/x402/settlement-status",
  "owner_address": "0xa26f179e42836bc4ae0cea997fdfc9602d5b8147",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xa26f179e42836bc4ae0cea997fdfc9602d5b8147",
        "scheme": "exact"
      }
    ],
    "description": "Check an x402 settlement on Base (chain 8453): tx exists/succeeded, USDC Transfer and AuthorizationUsed events (from, to, amount), confirmations. Pass ?tx=0x... Errors: 400 invalid tx hash. Read-only.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "tx": "0x6db0873a0a6de25a5792d465378251d7b3fe74b55761a1ac1b9f6489bb0509f3"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "authorizationsUsed": [
                {
                  "authorizer": "0x...",
                  "nonce": "0x..."
                }
              ],
              "blockNumber": 37000000,
              "chainId": 8453,
              "confirmations": 120,
              "exists": true,
              "pending": false,
              "signed": false,
              "success": true,
              "tx": "0x6db0...09f3",
              "usdcTransfers": [
                {
                  "amount": 0.1,
                  "amountRaw": "100000",
                  "from": "0x...",
                  "to": "0x..."
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "tx": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "tx"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "authorizationsUsed": {
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "blockNumber": {
                      "type": "number"
                    },
                    "chainId": {
                      "type": "number"
                    },
                    "confirmations": {
                      "type": "number"
                    },
                    "exists": {
                      "type": "boolean"
                    },
                    "pending": {
                      "type": "boolean"
                    },
                    "signed": {
                      "type": "boolean"
                    },
                    "success": {
                      "type": "boolean"
                    },
                    "tx": {
                      "type": "string"
                    },
                    "usdcTransfers": {
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T01:47:15.646Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-25T01:47:15.511Z"
    },
    "resource": "https://x402-research-iota.vercel.app/api/x402/settlement-status",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check an x402 settlement on Base (chain 8453): tx exists/succeeded, USDC Transfer and AuthorizationUsed events (from, to, amount), confirmations. Pass ?tx=0x... Errors: 400 invalid tx hash. Read-only."
}

What the leaf hashes

{"body":"bf5f5dd4bb70376e099975de0f8f6b02ae54b38d96bc851af268f28607c80fc5","id":125415,"kind":"listing","method":"baseline/1","observed_us":1793025626167690,"prev":null,"subject":"x402_bazaar:https://x402-research-iota.vercel.app/api/x402/settlement-status","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. 0x99834b29de9f2e6e48cf227a1ede39e26fc3c2ec605d0de3c0f7aaa09ab452ed
2. 0xe73c0048bfbc4fd52570deaf6a77175809fe74166c0d2c0c20e5c6321efb9f47
3. 0xdbfa43645a2f4bf9e06845cf4ee7c58f2dbf5a80ffc7ab170f93b30bbf0b8c86
4. 0x18e80a87d2a3b787dd552f75c42eb7f02de3e978571a4813328074428ee5972a
5. 0xe0c5a111f3d22d7857573087238e3e7a8ba26ed5cba74bc21d1f607a0dabea9f
6. 0xc65c30eeba967b340fa7a0712c8c19016b5e994b4768697814150cd600f99d26
7. 0x14e6f6df32aa4f58cf4df23fd86d42b3a6def0f1c44ab91fdd88721d3f9ad165
8. 0x7377731fce4f99f3dc3eeda1b72b603023f6ce5a127c9f54f801090b5b893804
9. 0x5cd557482ddfdc2785a3cde6388feeb9d3e9d32fbba85bf0a5de3ec63007395f
10. 0x2902a29ff231b32ccac2765997f18f1504daedb7f97ee4f0577f4a8edf0e7293
11. 0xd3f19437d703373e99e0bf69c4ca06561426260f599f7d259e3257085a387573
12. 0x6ae9e6ee1b544d831982666bd3570457659e78fc0064894d7ec23f971a37ff2f
13. 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae