Evidence row 71560

Observed 26 Oct 2026, 14:38 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://bess-x402.onrender.com/v1/evm/read
Recorded: 26 Oct 2026, 14:38 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: b487bf4c9e818cb52767d17c44e376078bb0bf1f9ba9585a793f29bca6ce3f7e
Leaf: 0x7fed278d8f27d13b06b87bef9814a042bbf9558523d5457d8985ae3da491142b

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bess-x402.onrender.com/v1/evm/read"
    ]
  ],
  "name": "Read Contract",
  "owner_address": "0x1129a6bb9c6165ff07fdc509c107b522ca0e1871",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      }
    ],
    "description": "Call any read-only contract function without a transaction or ABI file: give the signature with return types, e.g. balanceOf(address)(uint256) or getReserves()(uint112,uint112,uint32), plus arguments; returns decoded values.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0xB4e16d0168e52d35CaCD2c6185b44281Ec28C9Dc",
              "chain": "ethereum",
              "signature": "getReserves()(uint112,uint112,uint32)"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0xB4e16d0168e52d35CaCD2c6185b44281Ec28C9Dc",
              "chain": "ethereum",
              "function": "getReserves()",
              "raw": "0x000000000000000000000000000000000000000000000000000009045222969d0000000000000000000000000000000000000000000000dfa77420a295a593c9000000000000000000000000000000000000000000000000000000006adb1d23",
              "result": [
                9914162517661,
                "4125690233621529859017"
              ],
              "returns": [
                "uint112",
                "uint112"
              ],
              "selector": "0x0902f1ac"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "Contract address",
                      "type": "string"
                    },
                    "args": {
                      "description": "Comma-separated arguments (arrays as JSON)",
                      "type": "string"
                    },
                    "block": {
                      "description": "Block number or latest",
                      "type": "string"
                    },
                    "chain": {
                      "description": "ethereum, base, arbitrum, optimism or polygon",
                      "type": "string"
                    },
                    "signature": {
                      "description": "name(argTypes)(returnTypes)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address",
                    "signature"
                  ],
                  "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"
        }
      }
    },
    "lastUpdated": "2026-10-24T04:27:24.165Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T04:27:23.967Z"
    },
    "resource": "https://bess-x402.onrender.com/v1/evm/read",
    "serviceName": "Read Contract",
    "tags": [
      "evm",
      "eth-call",
      "contracts",
      "developer",
      "defi"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Call any read-only contract function without a transaction or ABI file: give the signature with return types, e.g. balanceOf(address)(uint256) or getReserves()(uint112,uint112,uint32), plus arguments; returns decoded values."
}

What the leaf hashes

{"body":"b487bf4c9e818cb52767d17c44e376078bb0bf1f9ba9585a793f29bca6ce3f7e","id":71560,"kind":"listing","method":"baseline/1","observed_us":1793025482945374,"prev":null,"subject":"x402_bazaar:https://bess-x402.onrender.com/v1/evm/read","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).

0x7fed20ba8b67944291a5b962bd47d53caa7fa257df921e25a1ccf535dbf711a0
0x8ec08939d1a2c99c839e5742ba0b7f8b5d3764b845a08921b84e0d6dfb03d0a3
0x323d39a4dadb9d33c52da2c10a388af78ca37a616acccb68227f01f667986915
0x74b3a6c470c397270c49dd7e4fcf5394ce80bed63c3a99687b69413dc1c53828
0xe0fd42bf801cb127ff38de87c1d336e6b19ca2540ce48012ae0a06edcec09a69
0x11145cc1c8456c618a16c79117acd4f44efe74cc74fbe7c378908e76907b6f46
0x4341459c3b267c13e747f5a296dd17eede88533546436e2f1fe968f22213d852
0xa4b6e906fba1806c0ae64d73e80e96c87ad5f70fad846b31e10664c5458f3a79
0x3633249228aebc9afb9d891c0a3bdcd8274006622c91dfba98f75689462ed7a6
0x4ac6e7b8710a19dd69c1ac61f6e5bc5b40663b9f632b7d8a1515e0c4fc86564d
0x94ff6a1838bb06ac09899310e3d37518c2cdbae79f32eb90e1b61eb995aed881
0xb9c4107c5cbaf0844324e5ba287c90e0643bb7b9e48e7877adda9372132cf0ea
0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON