Evidence row 1792407

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://minty-sprout.onrender.com/v1/base-contract-facts"
    ]
  ],
  "name": "Foundry",
  "owner_address": "0x11dced0487ca3e7d9032029dcb302253ccf4e0de",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x11DCED0487cA3E7d9032029DCb302253ccF4e0DE",
        "scheme": "exact"
      }
    ],
    "description": "Base contract fact sheet from the chain: is it a contract, proxy type (EIP-1967, beacon, EIP-1167 clone, ZeppelinOS) with implementation and admin, owner and whether ownership is renounced or held by a contract (multisig) or single key, privileged powers found in bytecode (mint, pause, blacklist, fee/tax setters, trading switch, tx limits, upgrade), current paused state, ERC-20 name/symbol/decimals/supply. Facts only, no verdict. Input: 0x address.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "input": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "code_size": 1852,
              "control": {
                "owner": "0x3ABd6f64A422225E61E435baE41db12096106df7",
                "owner_is_contract": false,
                "ownership_renounced": false
              },
              "is_contract": true,
              "observations": [
                "upgradeable proxy: logic can be replaced (admin is an externally owned account)",
                "owner-side mint function present: supply can grow",
                "pause function present: transfers can be frozen"
              ],
              "paused": false,
              "powers": [
                "blacklist",
                "burn",
                "mint",
                "ownership",
                "pause",
                "upgrade"
              ],
              "proxy": {
                "admin": "0x4fc7850364958d97B4d3f5A08f79db2493f8cA44",
                "implementation": "0x2Ce6311ddAE708829bc0784C967b7d77D19FD779",
                "type": "zeppelinos"
              },
              "token": {
                "decimals": 6,
                "name": "USD Coin",
                "symbol": "USDC",
                "total_supply": 4290041494.13
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "input": {
                      "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": {
                  "properties": {
                    "control": {
                      "type": "object"
                    },
                    "is_contract": {
                      "type": "boolean"
                    },
                    "observations": {
                      "type": "array"
                    },
                    "powers": {
                      "type": "array"
                    },
                    "proxy": {
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "token": {
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T17:11:08.435Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T17:11:07.959Z"
    },
    "resource": "https://minty-sprout.onrender.com/v1/base-contract-facts",
    "serviceName": "Foundry",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Base contract fact sheet from the chain: is it a contract, proxy type (EIP-1967, beacon, EIP-1167 clone, ZeppelinOS) with implementation and admin, owner and whether ownership is renounced or held by a contract (multisig) or single key, privileged powers found in bytecode (mint, pause, blacklist, fee/tax setters, trading switch, tx limits, upgrade), current paused state, ERC-20 name/symbol/decimals/supply. Facts only, no verdict. Input: 0x address."
}

What the leaf hashes

{"body":"3e5b04e1245bbc02b2f76b473f76069b7b7f629449569de71b8c24b61b821a97","id":1792407,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560024983161,"prev":null,"subject":"x402_bazaar:https://minty-sprout.onrender.com/v1/base-contract-facts","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. 0x254b95ea3a332a0a82af2cc933cf229ca834100feea844af717988fc4fd1721b
2. 0x1493910b223bc17ef321c560fb5e718faf5221a6aeb8e25050611765443ee07a
3. 0x9f48942aff5a358b85575df84846e7d1608a92b644dc0dc87dfc176ace4d35ec
4. 0x76d24f26797e507111c30adb2132eaf4644a0f94fee532d30b3197444d32561e
5. 0xff3b6aa47607ac7b68acf2e5208d1d7ca4aeb75c9422cdf5d96ecb72363d0b0d
6. 0x442a6e7cd07871ca2ba53d90a35b7e0490d1cf991f423a5b39e99bd3054c1d15
7. 0x6f36bd968344cd298ed45d7b42200f39b78cb9eb6c24163ca3cc6af10c31dc33
8. 0xe2874d3ff967418d0288bfb9cab8f5a3df795f18dd8323265b3de7ab394e1de5
9. 0x2cdb9eb36fc20ec1b749a46e2a0a76b63a03b08845ff3fa0d50d3d2d81afccd1
10. 0x6eca0ee9130203486155c85cb4ccb48438f4729b9626845a152119dcbd6e3005
11. 0xb151a12d4f4ccf88e7acb80305c1a2d31192f4e1b23d774eabe4ba24c6fec76b
12. 0xa24feb304303981d15bc2e4b3a4eff6c311a465aef90d007f964f26c8b636fec
13. 0x9dd502d4ff98d6d9a3253ed5276781da0bbca65c29f44992970b6dcb262524b7
14. 0x3a1fd02b7b783283e5af93120711d3c5437e55d0f3e68e16f18cfe19e54cafd1
15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90