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Evidence row 282863

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://api.onesource.io/api/chain/total-supply
Recorded
Previous row
#277490
Body SHA-256
0b025a4ca0c15b4bd79d8644e74bc9418ee22e47df4acd5959316cfec2705561
Leaf
0x9f00af693135b55dd1a0f71c59e276be4ca38a74343124c50a9ddb9a71781fff

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": "2026-10-26T19:17:26.649Z",
    "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":"0b025a4ca0c15b4bd79d8644e74bc9418ee22e47df4acd5959316cfec2705561","id":282863,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042616345754,"prev":277490,"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. 0x9f00a71541ca64b990a6089c8697a8ab6dda832a282597e994468dc35bd056de
  2. 0xd6aa5755da68b53021b9a73bf6b20fd7c3a936eeecf1a3914d333ced9b184808
  3. 0xaee9c0258b69c9ee87fe515e826bb8d85ee5b3131aaae26e8de1505f5c13e216
  4. 0xe0c86ba23acd94da8c4da011a82ac052cbdf1729b98118dcc79822d7f16897ff
  5. 0x63c1ce01bfe41a2fe6c9b10977aaa40d3fedf69e151b18fd850a3f54a3097b51
  6. 0xd363d103f06529bf00041bccaca3831210f4a75acad2e339cb97593e79e06b04
  7. 0xc3c10688da41e082699a67da7916fc8de161b3cd9224a91360e51a1048c68390
  8. 0xe25eacb409bcf8dcde5bf8243af16b8c25bd34fcb5adbb70f05adc5a5407929c
  9. 0x37ee73943865bf198a6ad0909a71ef6410546144bf4916090c84f20f6cf2e0ee
  10. 0xf41043f542980b32be9b3ced5ce838546c4aba89c89cec784be33684bd2a251c
  11. 0xb5a5da1d8cc5364d4e1e81f176a4bcbca86e02bf02b30e06db118bb7f2c487a8
  12. 0x6367dad81ab5c2e6f424ad3e06310c9b75079293d62a08dfbde98ef993c35229
  13. 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
  14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
  15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON