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Evidence row 1790967

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://minty-sprout.onrender.com/v1/base-token-info
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
2ebad069f5dbde1ae64f2cc765c8d6cf524913e37e772e82d3a233870949b165
Leaf
0xbbc77927f1a17c52c2fb614ad605aff3a318a7c7b9b96dc8f06d908e191d10ca

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://minty-sprout.onrender.com/v1/base-token-info"
    ]
  ],
  "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": "ERC-20 token info on Base mainnet from the chain: name, symbol, decimals, total supply, and whether the address is a contract at all. Input: 0x token address. Deterministic, no LLM, cheapest token lookup.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "input": "0x532f27101965dd16442E59d40670FaF5eBB142E4"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0x532f27101965dd16442E59d40670FaF5eBB142E4",
              "decimals": 18,
              "erc20": true,
              "is_contract": true,
              "name": "Brett",
              "network": "eip155:8453",
              "symbol": "BRETT",
              "total_supply": 9999997544.34
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "input": {
                      "description": "ERC-20 token contract address on Base, 0x + 40 hex characters",
                      "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": {
                    "is_contract": {
                      "type": "boolean"
                    },
                    "name": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "symbol": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "total_supply": {
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T23:18:08.93Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-31T23:18:08.706Z"
    },
    "resource": "https://minty-sprout.onrender.com/v1/base-token-info",
    "serviceName": "Foundry",
    "tags": [
      "base",
      "token",
      "erc20",
      "metadata",
      "supply"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "ERC-20 token info on Base mainnet from the chain: name, symbol, decimals, total supply, and whether the address is a contract at all. Input: 0x token address. Deterministic, no LLM, cheapest token lookup."
}

What the leaf hashes

{"body":"2ebad069f5dbde1ae64f2cc765c8d6cf524913e37e772e82d3a233870949b165","id":1790967,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559939256067,"prev":null,"subject":"x402_bazaar:https://minty-sprout.onrender.com/v1/base-token-info","subject_kind":"source_record"}

Proof

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

  1. 0xbbc77fdafa5aa8d93c8ed3d9ee38928287d735f4c54c42c04fd2a919f7ff84af
  2. 0x44c270af5b9a2d0196e4dee8e700755562c4c1a165b02f8349b2701be4caded3
  3. 0x72eaf6737d38b2c364e88705a223eeb7b1661e30cb8eeb7fee39e70646cdc79f
  4. 0x8f283ef8ceebde21e3e237048c75044b69190d209fc9ff0e5376730a05c6d0f5
  5. 0x42b7b4f60c7fb4a9b36a50b9f627ed980332b1db15c5f936a992079689ce1ad2
  6. 0x10a7f80d55a3bdef492c3d516927fc39d160c9db39179a6b49d0a04191304717
  7. 0xc9404648876a9ac8963b9e9c434492f1dc98013b4e1bc8875802632ce7d83188
  8. 0x4791102d419c5579ef297c3fe280a47cc242bba56006842caea80dea393fee31
  9. 0x470aa8f53ab2863866a3179cb419f613fd87af368952059c746e23afc966580d
  10. 0x61564ffea327e90b42e78e8ff1726891e2026ec0351390c6efa49cd70b6acbfb
  11. 0xaaf207c659404bf9950823c5a94391b8c16d7f704e071daf144b5c8ccff8ca12
  12. 0x5efb472d2bf6c533a2a7a7c1d1f9c054c41b56a1f6de01ce97047453558bacb5
  13. 0x440640affa0661e2887ea1fa1c7c460096d8203bbc33a7bb6164b10e738c37ab
  14. 0x0c6f1e059ed2de7638825ab03396dd843c97d2de1abde6928871cfc5ef085a33
  15. 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
  16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
  17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON