Evidence row 119241

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://rooms.aurmada.com/x402/v1/onchain/token"
    ]
  ],
  "name": "Rooms by Aurmada",
  "owner_address": "0xef56e1fa792b8f3e87dcb09fa36261d213c10a09",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xEf56E1Fa792B8F3e87dcB09fA36261D213c10a09",
        "scheme": "exact"
      }
    ],
    "description": "Use it before you accept, swap or list an ERC-20 token you don't know. Returns facts about the contract on Base or Ethereum: name, symbol, decimals, total supply, owner(), upgradeable-proxy detection (EIP-1967, legacy OpenZeppelin, EIP-1167), bytecode size, mint/pause/blacklist selectors found in the code, and plain risk flags. Facts, not a safety rating. Never charged for errors: we settle the payment only after a successful answer.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "chain": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "bytecode_size_bytes": 1852,
              "chain": "base",
              "erc20": {
                "decimals": 6,
                "name": "USD Coin",
                "symbol": "USDC",
                "total_supply": "4404885742.127613"
              },
              "is_contract": true,
              "proxy": {
                "implementation": "0x2ce6311ddae708829bc0784c967b7d77d19fd779",
                "is_proxy": true,
                "standard": "OpenZeppelin legacy (zos)"
              },
              "risk_flags": [
                {
                  "detail": "An implementation or beacon storage slot is set: the logic can be changed by its admin.",
                  "flag": "upgradeable_proxy"
                }
              ],
              "selectors_found": [
                "mint(address,uint256)",
                "pause()"
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "description": "Token contract address.",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    },
                    "chain": {
                      "description": "Chain (default base).",
                      "enum": [
                        "base",
                        "ethereum"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "sign-in-with-x": {
        "info": {
          "domain": "rooms.aurmada.com",
          "expirationTime": "2026-10-25T18:48:56.770Z",
          "issuedAt": "2026-10-25T18:43:56.770Z",
          "nonce": "59e28599ef2a2319b0a0385c42e93d08",
          "resources": [
            "https://rooms.aurmada.com/x402/v1/onchain/token"
          ],
          "statement": "Sign in with your wallet: your first call to each Rooms lookup is free.",
          "uri": "https://rooms.aurmada.com/x402/v1/onchain/token",
          "version": "1"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "address": {
              "type": "string"
            },
            "chainId": {
              "type": "string"
            },
            "domain": {
              "type": "string"
            },
            "expirationTime": {
              "format": "date-time",
              "type": "string"
            },
            "issuedAt": {
              "format": "date-time",
              "type": "string"
            },
            "nonce": {
              "type": "string"
            },
            "notBefore": {
              "format": "date-time",
              "type": "string"
            },
            "requestId": {
              "type": "string"
            },
            "resources": {
              "items": {
                "format": "uri",
                "type": "string"
              },
              "type": "array"
            },
            "signature": {
              "type": "string"
            },
            "statement": {
              "type": "string"
            },
            "type": {
              "type": "string"
            },
            "uri": {
              "format": "uri",
              "type": "string"
            },
            "version": {
              "type": "string"
            }
          },
          "required": [
            "domain",
            "address",
            "uri",
            "version",
            "chainId",
            "type",
            "nonce",
            "issuedAt",
            "signature"
          ],
          "type": "object"
        },
        "supportedChains": [
          {
            "chainId": "eip155:8453",
            "type": "eip191"
          }
        ]
      }
    },
    "lastUpdated": "2026-10-25T18:43:56.791Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T18:43:56.665Z"
    },
    "resource": "https://rooms.aurmada.com/x402/v1/onchain/token",
    "serviceName": "Rooms by Aurmada",
    "tags": [
      "onchain",
      "erc20",
      "token",
      "token-info",
      "token-risk"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use it before you accept, swap or list an ERC-20 token you don't know. Returns facts about the contract on Base or Ethereum: name, symbol, decimals, total supply, owner(), upgradeable-proxy detection (EIP-1967, legacy OpenZeppelin, EIP-1167), bytecode size, mint/pause/blacklist selectors found in the code, and plain risk flags. Facts, not a safety rating. Never charged for errors: we settle the payment only after a successful answer."
}

What the leaf hashes

{"body":"7c01c856520cac28245c1f19d4a9f217543a32b84230776d6876966835290566","id":119241,"kind":"listing","method":"baseline/1","observed_us":1793025615008229,"prev":null,"subject":"x402_bazaar:https://rooms.aurmada.com/x402/v1/onchain/token","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. 0x5086ba7029e9c4c409b660d347972ff5ba59ccec3a57ab21ba7017e77f205316
2. 0x8446f60c8f535af2cb953d4d394aab609213af21f8d70ef81a891d2a825c4329
3. 0xe91332695a3d211cff4f2708802cefb293c40b66f4ff9c86f69e0445382faab9
4. 0x25b28273f2032091a88a750b12472db07a229922d4d6ac0985a853d67323893d
5. 0xd387ddf0bf11ed19defaa29720676ed277c7019f1512d65b24e6f08e16340f27
6. 0x6d2900724be3cf083f46230a4a4e9d32df83ab9d3bc3e2a95328803edd323cb9
7. 0xbcc21bf2fbb763a3711b9859da8be988e72992a0d6005710cfaa1daac03c66ab
8. 0xaebe003f4786c153d7264092c49d02d01582d781c2b436fc84e297712744e5de
9. 0x49ca06210317b23c810a08c00e588558566f518d87aa67856c025ccdd9366b86
10. 0x3ffc29bda4b9db0bbd22701201836cd30915524996019abd0333ddffdac24a1e
11. 0xe281245a49847bca87f4c96f8da0284eeef688f3f597a62adb2d9089f4385e55
12. 0xecaf47ba75097c34f2d3c4d62539dace0db8b484bf08941a9259e2d1e8ccea77
13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae