Evidence row 1791474

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://minty-sprout.onrender.com/v1/country-code"
    ]
  ],
  "name": "Foundry",
  "owner_address": "0x11dced0487ca3e7d9032029dcb302253ccf4e0de",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x11DCED0487cA3E7d9032029DCb302253ccF4e0DE",
        "scheme": "exact"
      }
    ],
    "description": "Country code lookup: ISO 3166 alpha-2, alpha-3 and numeric codes, official name, calling code and flag. Input: a country name or code.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "input": "Pakistan"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "alpha_2": "PK",
              "alpha_3": "PAK",
              "calling_code": "+92",
              "flag": "🇵🇰",
              "name": "Pakistan",
              "numeric": "586",
              "official_name": "Islamic Republic of Pakistan"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "input": {
                      "description": "A country name or code",
                      "maxLength": 8000,
                      "type": "string"
                    }
                  },
                  "required": [
                    "input"
                  ],
                  "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": "2026-10-31T23:02:08.817Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T23:02:08.616Z"
    },
    "resource": "https://minty-sprout.onrender.com/v1/country-code",
    "serviceName": "Foundry",
    "tags": [
      "country code",
      "country",
      "iso 3166",
      "calling code"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Country code lookup: ISO 3166 alpha-2, alpha-3 and numeric codes, official name, calling code and flag. Input: a country name or code."
}

What the leaf hashes

{"body":"891c95cf23d719c85f8c38fa54874540524518b5f08ca1859c11bfbe0544784c","id":1791474,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559984746453,"prev":null,"subject":"x402_bazaar:https://minty-sprout.onrender.com/v1/country-code","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x9d431e498651a58b82754c104a885d5639e6e8cf539670b640d7fe54340fb9fa
2. 0x36d03c3a79b49dd29d313db91a702e6c56f90b0d99ae3548d1d04ce10ce89795
3. 0x75e3de65c24440b8dbad3683123bf74fc7b3ba4a6a16229dd5c9afdf7cba46b3
4. 0xa1a1ba8401e838c5fbe78f23249f2e3f18ff9bba35f02b6e59b20b2b0be8401a
5. 0x16ff30213994f906ae67b13c70f5b6acd77b240004cdbfbcba3a295dc747a235
6. 0x55999350b1c0a79334263c36ac9172ff25728bc3999575fcc91c553ef79d9f82
7. 0xf1af947db2c2a00417010f7314537fff63fcb3a6a2763c7eeb83fcf40b7ed4cc
8. 0x045d3e7a375d2699bc3250c8e991f4a6da28460ce7b78b128d145655a7868ff5
9. 0xc8648e37ecb3e104ae3b7667632b67b7a0804c7ac06406bb9cffc6609651aa95
10. 0x9cf4630681f558848cdae3efaeb7a343d6d8de75aeecb8b9c0ae4342f005e085
11. 0x8424997a0dff8dc736ab11e5969e73bf332e93e2ad0267520aa2a789f02c6493
12. 0x99dd0a58433972e10fe6af983aa9a9b7d20c9c1412e2e4ad199fb347a07d4476
13. 0x1924cea6ca8d851dc6c770385cf3ddff5f03087e38b2b95faa540dab71151946
14. 0x82d96787431d530f2599d2a77b24c7b5e6f2bf6720f7cd054b4dc0d4ba248628
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90