Evidence row 1039538

Observed 29 Oct 2026, 18:27 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://mintintel.35-171-220-195.sslip.io/v1/base/contract/:address
Recorded: 29 Oct 2026, 18:27 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 384c90eeea4c4cd1655080866827ed6402b6afead2b67bcd6c3ccad731825543
Leaf: 0x95fc968a829693d294cc9e64ed33a128abb5f6974c620279d5395c89a28c7752

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mintintel.35-171-220-195.sslip.io/v1/base/contract/:address"
    ]
  ],
  "name": "Mint Intel: Base chain data",
  "owner_address": "0xd5f3a78ab272eb36a997f4aa249b876bdb9692e3",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xd5f3A78AB272Eb36a997f4aA249b876BDB9692E3",
        "scheme": "exact"
      }
    ],
    "description": "Best-effort Base contract introspection in one batched RPC call - bytecode presence and size, ERC-20 metadata (name, symbol, decimals, totalSupply), ERC-721 / ERC-1155 / ERC-165 detection, Ownable owner() and proxy implementation; classifies EOA, EIP-7702 delegated EOA, token, NFT or plain contract.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "chain": "base",
              "chainId": 8453,
              "isContract": true,
              "kind": "erc20",
              "network": "Base",
              "proxy": {
                "implementation": "0x2Ce6311ddAE708829bc0784C967b7d77D19FD779",
                "pattern": "zos"
              },
              "standards": [
                "ERC-20",
                "upgradeable proxy"
              ],
              "token": {
                "decimals": 6,
                "name": "USD Coin",
                "symbol": "USDC",
                "totalSupply": "4265156796.574174"
              }
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/base/contract/:address",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "description": "0x-prefixed 20-byte EVM address",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "address": {
                      "type": "string"
                    },
                    "kind": {
                      "type": "string"
                    },
                    "standards": {
                      "type": "array"
                    }
                  },
                  "required": [
                    "address",
                    "kind",
                    "standards"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-29T10:23:37.024Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T10:23:36.941Z"
    },
    "resource": "https://mintintel.35-171-220-195.sslip.io/v1/base/contract/:address",
    "serviceName": "Mint Intel: Base chain data",
    "tags": [
      "base",
      "evm",
      "erc20",
      "onchain-data",
      "rpc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Best-effort Base contract introspection in one batched RPC call - bytecode presence and size, ERC-20 metadata (name, symbol, decimals, totalSupply), ERC-721 / ERC-1155 / ERC-165 detection, Ownable owner() and proxy implementation; classifies EOA, EIP-7702 delegated EOA, token, NFT or plain contract."
}

What the leaf hashes

{"body":"384c90eeea4c4cd1655080866827ed6402b6afead2b67bcd6c3ccad731825543","id":1039538,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298442506209,"prev":null,"subject":"x402_bazaar:https://mintintel.35-171-220-195.sslip.io/v1/base/contract/:address","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

0x95fc6bf29e11eccaa7d6d03db2a5b0f9b51257d394ed446883836f11ea56fe3b
0xd2e04c3de40887f54a286571924f936dcdae33dd6058b838a587f0e745ef7cbe
0x7388733af5dbc1c37e33799ff2f52b3cf7c7c02a7dd93fc20a5f0a3f1ffee544
0xb422fbc3b7f965e74bf874d5cef8fa71dc43274f7883eac2e7cb44f4cc11e28e
0x037c10599b604ec4c2e3a41dfa3f3e705e64cebef1fa1613aa8afbd075f43605
0x8f29a1e3dd3ebd6c37bfa3a530f7cd0c46b4ec505be736ae8c79118cbedf8a8f
0xad3109d863a98b90c78b596c4fe4f9f28c7b3a94cb28d89cdee5eb0b90f2db24
0x908f51993cc8f66019c7f85f44f8d67b5431f8d14b69fc1db45bfaa4b2492dd8
0x86865bb0600de253d4b40dad6c78bc09f4947a7cf1363164f19d384f71897e32
0xfd1d9b8cdd0dbad15f0b82164f4e1a1eed0b5aab48a1f91f6ac9a98490bf36df
0x62c5e5516e6b91b634a748a2e55607c9ad42c638cf6b4c1f14ecda400c5b96e9
0x5d5a3a20a5e3a2d8954f344d71e31e521736c7ff26c66e23a8131ffe1664e652
0x27d0671676af363c48faa6ba6f13ccf8220db4153f3228b82faf62df6a2569a6
0x2b11062f499f97c836e687fbba91202ea7ff254c8f8928d683df655cd117d9ec
0x09d5ec1c01b0f087fe9f6cc95432188552da9adc88004aed57401ea49f2b56d4
0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root: 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
Chained: 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
Published: On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1

How to check it · This row as JSON