Evidence row 407827

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://www.oracleinsight.xyz/api/v1/safety/pre-trade"
    ]
  ],
  "name": "www.oracleinsight.xyz/api/v1/safety/pre-trade",
  "owner_address": "0x5fbbbcbf2ade44f5c604e5e55f11945e1addd231",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x5FBbbCbF2Ade44F5c604E5E55f11945E1ADdD231",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cef5e3811e1192ce70d8cc03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:137",
        "payTo": "0x5FBbbCbF2Ade44F5c604E5E55f11945E1ADdD231",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:42161",
        "payTo": "0x5FBbbCbF2Ade44F5c604E5E55f11945E1ADdD231",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:143",
        "payTo": "0x5FBbbCbF2Ade44F5c604E5E55f11945E1ADdD231",
        "scheme": "exact"
      },
      {
        "amount": "20000000000000000",
        "asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:56",
        "payTo": "0x5FBbbCbF2Ade44F5c604E5E55f11945E1ADdD231",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "lastValidBlockHeight": "439803142",
          "recentBlockhash": "Gq3jPz3g3buRe85q2ZX4Ch1ZWPzMT8JpY9g9CvUrBnFX"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "BfVX9jcEALijnEuGPcGTjqjBgTFLTFMt6F7NrMHzGWf4",
        "scheme": "exact"
      }
    ],
    "description": "Pre-trade safety check: oracle-immune-system verdict for one trade, with verifiable EIP-712 attestation support. BLOCK verdicts are complete checks and are charged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "action": "swap",
              "asset": "ETH",
              "chainId": 1,
              "tradeAmountUsd": 1000
            },
            "type": "http"
          },
          "output": {
            "example": {
              "consensusPrice": 3124.5,
              "crossProviderAgreement": 0.998,
              "manipulationRiskScore": 0.08,
              "maxDeviationPct": 0.42,
              "participantCount": 5,
              "recommendedMaxPositionUsd": 95000,
              "staleDataRisk": false,
              "verdict": "PASS"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "action": {
                      "description": "Type of DeFi operation",
                      "enum": [
                        "swap",
                        "borrow",
                        "lend",
                        "liquidate",
                        "repay"
                      ],
                      "type": "string"
                    },
                    "asset": {
                      "description": "Asset symbol, e.g. ETH, BTC, USDC",
                      "type": "string"
                    },
                    "chainId": {
                      "description": "Chain ID, e.g. 1=Ethereum, 0=chain-agnostic",
                      "type": "number"
                    },
                    "destinationAsset": {
                      "description": "Optional destination asset symbol (v2 binds it as destinationAssetId)",
                      "type": "string"
                    },
                    "protocolId": {
                      "description": "Optional lending protocol id to evaluate against (e.g. aave-v3-ethereum)",
                      "type": "string"
                    },
                    "schemaVersion": {
                      "description": "Attestation schema version: 1 (default, 11-field), 2 (26-field, CAIP-19 + quorum gate), or 3 (27-field: v2 + the signed independence threshold, so the gate is self-verifying)",
                      "enum": [
                        1,
                        2,
                        3
                      ],
                      "type": "number"
                    },
                    "targetProviders": {
                      "description": "Comma-separated list of oracle providers to restrict the check to",
                      "type": "string"
                    },
                    "tradeAmountUsd": {
                      "description": "Trade size in USD",
                      "type": "number"
                    }
                  },
                  "required": [
                    "asset",
                    "chainId",
                    "action",
                    "tradeAmountUsd"
                  ],
                  "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": "2026-10-26T19:04:20.099Z",
    "quality": {
      "l30DaysTotalCalls": 53,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-26T19:04:18.394Z"
    },
    "resource": "https://www.oracleinsight.xyz/api/v1/safety/pre-trade",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Pre-trade safety check: oracle-immune-system verdict for one trade, with verifiable EIP-712 attestation support. BLOCK verdicts are complete checks and are charged."
}

What the leaf hashes

{"body":"2e454afa5ed9d4f5a3df067800421f1edad8f2bd1544af1cb5eb194de268c89e","id":407827,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080252567844,"prev":278532,"subject":"x402_bazaar:https://www.oracleinsight.xyz/api/v1/safety/pre-trade","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xc2991661d541b57170835d6b17837fce46ead89b25fe6418424e48c9f4128a4e
2. 0x767dd540fb466f4f3abc10c0decb00a4b6b71e47d93d47e535206977d014da08
3. 0x86788b52d2a6943aadb65bfdc58acc013ee990c50b965f74ad47b0ac57499d16
4. 0xa154cd92efa8ac2bfff529cc4ce2bf6c74ff6f137255dab4f07530bcbd7e25b7
5. 0xc0422c55dc6c4347cbca4730fce0c06b6b7aab6a7793cb4f45462a1051b3f4fb
6. 0xd6ae978af20afdec0e6b8cce0a1b986315b166dace5472dc316f9ed7294631dd
7. 0xf949576e2d72bd8dbb8de04749de604b98b761a0b0a0163ba16e51e66907bd3e
8. 0x07807cc2b20b68737998c3656770da7833a3507e88f63f43bf73a40d2693a2ca
9. 0x65079d98e35640b1d2f69a6be75391ae1d0f9d8d7c8d9ea1efd7c23ae650a5f0
10. 0x572d1cc74bcceba9fbf33b27255c0ccfc74c032291a71d0b93440bd4d8549348
11. 0xd42fabc45b614023fa5a8deff7b18538443a7a95af9b5415109cc428d27485e6
12. 0x09c148bbe62d15164b3840b798915bcd800d49ae022a1820cd04cc89b1b4e59a
13. 0xb48b088603004f0a5232faea4acd65999cbb4832f4c15b0098e853144cb91655
14. 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4