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Evidence row 297018

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://api.onesource.io/api/chain/total-supply
Recorded
Previous row
#282863
Body SHA-256
7dada936219ec82bd9a32d93e5220b840960cd8a8ca61c7163a968ee003e8b72
Leaf
0x0bd4ba07b6adb00ae4895fdc174d37e2cc58922ee00166bc41e241ea7332863a

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.onesource.io/api/chain/total-supply"
    ]
  ],
  "name": "api.onesource.io/api/chain/total-supply",
  "owner_address": "0x52e29e0d2aa49bfbfc548c0a9f2196f4aa51f3ea",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "credentialTypes": [
            "authorization"
          ],
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 3600,
        "network": "eip155:8453",
        "payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
        "recipient": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b",
          "version": "2",
          "withdrawDelay": 86400
        },
        "maxAmountRequired": "3000",
        "maxTimeoutSeconds": 3600,
        "network": "eip155:8453",
        "payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
        "recipient": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
        "scheme": "batch-settlement"
      }
    ],
    "description": "Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "contract": "0xdac17f958d2ee523a2206206994597c13d831ec7",
              "network": "ethereum"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "contract_address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                "decimals": 6,
                "is_erc721": false,
                "name": "Tether USD",
                "symbol": "USDT",
                "total_supply": "39283948340000000"
              },
              "meta": {
                "cost_usdc": "0.001",
                "endpoint": "/api/chain/total-supply",
                "payment_chain": "base",
                "payment_token": "USDC",
                "request_id": "00000000abcdef01"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "contract": {
                      "pattern": "^0x[a-fA-F0-9]{40}$",
                      "type": "string"
                    },
                    "network": {
                      "default": "ethereum",
                      "enum": [
                        "ethereum",
                        "sepolia",
                        "robinhood"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "contract"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "description": "Endpoint-specific response payload",
                      "properties": {
                        "contract_address": {
                          "type": "string"
                        },
                        "decimals": {
                          "type": "integer"
                        },
                        "is_erc721": {
                          "type": "boolean"
                        },
                        "name": {
                          "type": "string"
                        },
                        "symbol": {
                          "type": "string"
                        },
                        "total_supply": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "error": {
                      "properties": {
                        "code": {
                          "type": "integer"
                        },
                        "message": {
                          "type": "string"
                        }
                      },
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "meta": {
                      "properties": {
                        "cost_usdc": {
                          "type": "string"
                        },
                        "endpoint": {
                          "type": "string"
                        },
                        "payment_chain": {
                          "type": "string"
                        },
                        "payment_token": {
                          "type": "string"
                        },
                        "request_id": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "endpoint",
                        "request_id"
                      ],
                      "type": "object"
                    }
                  },
                  "required": [
                    "data",
                    "meta"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T21:51:18.509Z",
    "quality": {
      "l30DaysTotalCalls": 267,
      "l30DaysUniquePayers": 267,
      "lastCalledAt": "2026-10-26T16:00:22.678Z"
    },
    "resource": "https://api.onesource.io/api/chain/total-supply",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)"
}

What the leaf hashes

{"body":"7dada936219ec82bd9a32d93e5220b840960cd8a8ca61c7163a968ee003e8b72","id":297018,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793052159929151,"prev":282863,"subject":"x402_bazaar:https://api.onesource.io/api/chain/total-supply","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x0bd5418a0808ced2984fb58c5a1784263bbdb9824ec7ba3517ffdbee3f6853bf
  2. 0xa3b80593c6cc9acfdcc084d92d7ad70833f08739302d3f6ec75576c157b52fb2
  3. 0x3d842509bfb5cf852b055f5cc312ae07f95134454e3a7cbd8dc83e0138f26497
  4. 0x3edcb57cd1dcc2790bb392b27b8e43a6895a3a3b966e50fc93f2255c46841fd7
  5. 0xfecabfe095414862fb09ad936794ebd2360d312176c1ad1837eb43988c544ad0
  6. 0x3b119d4adbf9d8f80dc4f0fbc65c31567f59c0fcd84de938404369bdb2ca94e0
  7. 0xdf370d17eb3f29f6ec8209b67bd8b6c7c3b74f7e477b88ad1ac722d05a889a6f
  8. 0x247b2ddb6682edd27fcfa7be5f3c61c102dfc37c5f7d4e41a8835dc2d83198fc
  9. 0xb210f0513157ea314092d01db6c8ed7e02da39b671c6f0a7c62a21eaa78d4fe8
  10. 0x1a7a0a8ff566dcb3ad66f73910275bf00a0f4ebbdab35b5ced530c21acf7b701
  11. 0x8eb597b47b241899ba9947d79964713d71582858e40e13030f7b428006b500c7
  12. 0x0295c7c2280f85143f6ea027ec5cab1cda783eeef5bca0accb9aea607c5aa3c2
  13. 0x5aefcf9e3d86e125861c0d490079969110eea8fc901ec61531bba10bb58258a1
  14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
  15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON