Evidence row 69840

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.vextorium.com/v1/evm-signature-verify"
    ]
  ],
  "name": "Verify an Ethereum signature",
  "owner_address": "0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "assets": [
            {
              "address": "0x0b2c639c533813f4aa9d7837caf62653d097ff85",
              "authorizationVersions": [
                "1",
                "2"
              ],
              "decimals": 6,
              "symbol": "USDC"
            }
          ],
          "minValiditySeconds": 604800,
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:10",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "assets": [
            {
              "address": "0x3600000000000000000000000000000000000000",
              "authorizationVersions": [
                "1",
                "2"
              ],
              "decimals": 6,
              "symbol": "USDC"
            }
          ],
          "minValiditySeconds": 604800,
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:5042",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "0.003",
        "asset": "524C555344000000000000000000000000000000",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "C8A65F2827CD468F9FC556A3ECF9C8BB",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
        "scheme": "exact"
      },
      {
        "amount": "2310",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "EF0ECEBCFD104421976D885F3EF1509D",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
        "scheme": "exact"
      }
    ],
    "description": "Verify an Ethereum signature: a personal_sign (EIP-191) message or EIP-712 typed data. Recovers the signer address and, if you pass one, confirms it matches. Local computation; EIP-1271 contract wallets are not covered.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "address": "0x7E5F4552091A69125d5DfCb7b8C2659029395Bdf",
              "message": "Hello Vextorium",
              "signature": "0x2126c8e3a0da46b0d8cba8ce3d0210337bb23032b681244c026ad68cd41c764325c24b8ca2e1162a4c31969808b17ded11db7ec35d49ea63b7cc6f6d95e276c91c"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "expected_address": "0x7E5F4552091A69125d5DfCb7b8C2659029395Bdf",
              "signed_hash": "0x517cc9957090f83459004d4980c16e723e44524c30d84175324025d957b0451a",
              "signer": "0x7E5F4552091A69125d5DfCb7b8C2659029395Bdf",
              "type": "EIP-191 personal_sign",
              "valid": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "address": {
                      "type": "string"
                    },
                    "eip712_data": {
                      "type": "object"
                    },
                    "message": {
                      "type": "string"
                    },
                    "signature": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "signature"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "expected_address": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "signed_hash": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "signer": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "type": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "valid": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    }
                  },
                  "type": [
                    "object",
                    "null"
                  ]
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-20T17:57:43.667Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-20T17:57:43.4Z"
    },
    "resource": "https://api.vextorium.com/v1/evm-signature-verify",
    "serviceName": "Verify an Ethereum signature",
    "tags": [
      "signature",
      "ecrecover",
      "eip191",
      "eip712",
      "auth"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Verify an Ethereum signature: a personal_sign (EIP-191) message or EIP-712 typed data. Recovers the signer address and, if you pass one, confirms it matches. Local computation; EIP-1271 contract wallets are not covered."
}

What the leaf hashes

{"body":"6a64cea6fdcf57ca67504565002f0ed6975dd1cee42f297323672c1dab9484a2","id":69840,"kind":"listing","method":"baseline/1","observed_us":1793025479032598,"prev":null,"subject":"x402_bazaar:https://api.vextorium.com/v1/evm-signature-verify","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).

1. 0x03dc878e2a7b1930483b8ac8a5aa4b00fdc7b9a32d19ccd7321cfd0a874e86dd
2. 0xd3afded136197c6280b349a92076c98c5cb4a7be6bd89f963f3a37742de968ac
3. 0x9339e07dc6795c7bc120f6d481738ffc6aba33b0eaf6e86a4251097b1c20ecb9
4. 0x6a8800c41c75db555a812c837e7b2f6e7c9eec3d62de4994273811181fbc317e
5. 0xcffee62c3b77e0e03a4c413c6aa96842ae795ad74c0f1ed7ce65a45ee67c0435
6. 0xb16d960e8d9d478631accb31641bbe6d7e86e41113f7f0440d07cdc9c7973c74
7. 0x50811a5eb9b6ccaa2e6471923854e264860c83f93b7d414bf3a3ea3c2e757e81
8. 0x2ac9b39dfcdac5f6befd9e42d8f703b710bc2856970005280def699dbc9acba8
9. 0xe95980e57b9f67f38d56253d1f45962fd4fc8579bcf5c1a812e4e879917c203a
10. 0x1f18e0b2e922935cd8cf72485fb2b121046aa17f2946bfa3d06b3e3837120a98
11. 0x0dadbaadc61f6ee6be4586a11afb533e54da3f5fef5c8ec2ecba1bfa573ce6d3
12. 0x23033d81d9f4be06225e4276d276e0e8e02abc173d156a1b9a8fd5e4803ad199
13. 0x610fdf3e989af0a6b4a400a3a8aab9156d757f8c96efe4e9d0594dfd04de1cc0
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae