Evidence row 563459

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://how.is/v1/bot/verify/batch"
    ]
  ],
  "name": "how.is",
  "owner_address": "0xa76a0e93c5af3fd43521300b0a58ef5f70fc44f6",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xa76a0E93C5af3fd43521300B0a58eF5F70fC44F6",
        "scheme": "exact"
      }
    ],
    "description": "Verify many crawler visitors (IP + user-agent) in one call: real Googlebot, GPTBot, ClaudeBot or impostor, billed per item.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "items": [
                {
                  "ip": "66.249.66.1",
                  "ua": "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
                },
                {
                  "ip": "164.92.64.1",
                  "ua": "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
                }
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "_shape": "data: results[] (one bot_verify verdict per item, or {ip, error}), counts by verdict, billing{items, unit_price_usd}."
              },
              "receipt": {
                "charge_usd": 0.01,
                "rail": "x402",
                "settlement_tx": "0x…",
                "tool": "bot_verify_batch"
              },
              "result": "Crawler identity check (batch) for the requested subject"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "items": {
                      "description": "1-100 visitors; price is per item",
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "ip": {
                            "description": "The visitor's public IPv4 or IPv6 address",
                            "type": "string"
                          },
                          "ja4": {
                            "description": "Optional TLS JA4 fingerprint, e.g. t13d1516h2_8daaf6152771_02713d6af862",
                            "maxLength": 80,
                            "type": "string"
                          },
                          "ua": {
                            "description": "The User-Agent header it sent (omit or empty if none)",
                            "maxLength": 1000,
                            "type": "string"
                          }
                        },
                        "required": [
                          "ip"
                        ],
                        "type": "object"
                      },
                      "maxItems": 100,
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "items"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793136692/bazaar-icons/33e0d64a881c43a7.png",
    "lastUpdated": "2026-10-27T21:31:36.786Z",
    "quality": {
      "lastCalledAt": "2026-10-27T21:31:36.786Z"
    },
    "resource": "https://how.is/v1/bot/verify/batch",
    "serviceName": "how.is",
    "tags": [
      "bot-detection",
      "crawlers",
      "logs",
      "security",
      "firewall"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Verify many crawler visitors (IP + user-agent) in one call: real Googlebot, GPTBot, ClaudeBot or impostor, billed per item."
}

What the leaf hashes

{"body":"37387bd5bdea0663adbf7573df4ff5bc224d5ad8701654d5ffca98e76748c8d8","id":563459,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793137725805321,"prev":null,"subject":"x402_bazaar:https://how.is/v1/bot/verify/batch","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. 0x97ebe5c6055227c154f66a62839d3cf5e6eb93bcade2c7a1d7d7935c8104a0d7
2. 0xdef9d2c9636d25387131b28c4c3abe236912fa5572bade1475574d03c78147d4
3. 0x74bf8e4eae0609d86be38cb810670d102e07d535d44b9edda50f303f79a532f4
4. 0x4909c63a4fc578bf99d380f80ed95664d631ef9f3dd129169c3bdfe6c353566c
5. 0x9db2092a388171cecfb815a226330f1a05745588ae4919e29bdd4243faafd0b7
6. 0xffea5b0dd0fd4ead9a31cc9b8713ec05171ef9b95568c867c6de97971ca1bdd9
7. 0x420695e102f293eabe181b11de7b18049e1ee3a7a0bb1ef62e3c2f437d0c9387
8. 0x100c5a1d63a0ce81175912be0721ed04b2d693f0b91d3d2be6b63303d8813ed0
9. 0xe5be3a21824f275e32299e4311f73c2c279dcdc8dfb099979279d9acf71d7c3e
10. 0x1c722c9044e8e0376a8ec2ea9b9afc5d86689ca0ab56008144c16e747fb78efb
11. 0xa5c23f377d8ff4ee53b580cb756ab2bc047f39357bdac89f30099775b7b2ef70
12. 0x265cee5401cfadc89cfe40c27cc910090736b6a94b8d688bb7729f0791087d26
13. 0xfe6d2e9a468b7e99de9162a2ef30ac0b0e3b318387b4356bf524493aa67b295b
14. 0xa3c9c760ee424c178bab782711c2b9d3e15a80a6fde99165972cb75b306bb8b4
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4