Evidence row 1791455

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://minty-sprout.onrender.com/v1/roman-numeral"
    ]
  ],
  "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": "Roman numeral converter: numbers to Roman numerals and back (1 to 3999). Input: '2026' or 'MMXXVI'.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "input": "2026"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "number": 2026,
              "roman": "MMXXVI"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "input": {
                      "description": "A number or a Roman numeral",
                      "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": "2026-10-31T23:08:47.149Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T23:08:46.967Z"
    },
    "resource": "https://minty-sprout.onrender.com/v1/roman-numeral",
    "serviceName": "Foundry",
    "tags": [
      "roman numeral",
      "roman",
      "convert",
      "numbers"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Roman numeral converter: numbers to Roman numerals and back (1 to 3999). Input: '2026' or 'MMXXVI'."
}

What the leaf hashes

{"body":"4b628efc0f457025bfb47c208ef34ef37cb138521c227a227c7f60f96b99b7be","id":1791455,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559984695933,"prev":null,"subject":"x402_bazaar:https://minty-sprout.onrender.com/v1/roman-numeral","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. 0x4a4b9c3ac25c8852afd14b4991f05dccf767f70a57c36e1cedcaf7b32d0b70fa
2. 0x77a33ab3972c7af3855c34a366cc533c676ff42003bedfaf401b586c035ee6a2
3. 0x22300322d2a9b9f406e46270afed2e97d84227b5ce3dfe6325a7ee9357d85554
4. 0x76373a3f6a06d1acaaf7232352706e931ef5138ba84ff9287f74b8df8c438bf5
5. 0x8b960044bf8daeeb8ac317d1a3f52bb2fdbdc8ced7d7d688ef95f451c29bfbdb
6. 0x80db914df0b369dfc9889e5269d40bed47045ceeb98ce113f2a9f2a45ad4af76
7. 0x568a17d6f178fd07a7ee2f64f9a67f2d565a8933b94ddddbe467ef3a2dec1a82
8. 0x34c10dea0c65347237db346ee9ac17f93209dda886ad6c6dc2f70108be2c84da
9. 0x84bc3102042afac5b3ef7a4228883e271dbeb5ea1dab0c9beac4d130f9ccada4
10. 0xc3543efa44dcb1e9538ea8bd23c36336e732a694225342815469ddccb35f02d0
11. 0x341be8d3d70d914521238808e7691fa67bdccefa1544797927103f3138ef32a9
12. 0x62fe46994366d4bc0bae2c4c044d9337de6f221be1dcd18eb5fa5283120cc6e7
13. 0x8aa214258cf763ac22ad2503df59c82b987a34bdb8f8ffe282ed4454b90f50bb
14. 0x6c979ceed347ae2f49a398afce74e46416fbc8bf2d649ac7be77ccbc81b2ba03
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90