Evidence row 751173

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": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T21:31:36.6Z"
    },
    "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":"f051f9a73e86e339398342725bac09e6534973cab7305cba4bdd7e84a3836a7d","id":751173,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178705164276,"prev":563459,"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 2026-10-28 (231336 rows).

1. 0xcc753f3c9b42201052894114b2068395bda6833c3a46ea0e7202751985fd45b9
2. 0x6e4efc977a6644e5eaa181fb4a5102e261778e7b0174b87aeb1de8803392e496
3. 0xa75ce36ea33094bb099a1802a9d533a3beb118c946fcb639af448d820db0d235
4. 0xaf9057a023fa4e7f5cd8e69a00619d6e7ec110e8726bd69a70b6878ca20c60b2
5. 0x81e695ce891e87197795325944e7b5fa97e1e3c442917fb097e972da81f161f8
6. 0x369efd35a6a6c72270b016510ed716b4f6badd0c1d407853aa08a02c45f8d728
7. 0x77a3716840b46fc9f400f63b0e67ee2c2a65713d4884e376e6572e0a3563ec77
8. 0x9fbd327e55de3f1415a0a22a72aa00910b9594fc32474a4588dcd8eaf1ac63e1
9. 0xe576a4a59d88812c430c14156559989ae8c6f7be452b404c89ccc679474dd473
10. 0xc3edf0c80178c0e1dad38e112301e8638d403450d3c6e40c1914762f8118c39c
11. 0x5c863ffa8d447119440b6fa852e2432562f6723e5bb5330b807a3dbd51bd1fef
12. 0x3b49299014b87a4cecefafedfd3fa2ec8310a3d966415e86865ecc3d638f4136
13. 0x8be89031d5b6b0cced45d04ae5aae5212368da858631eb4f1052b83b7362a427
14. 0x8e49280a62bd5d52127f332ab6aea9d7c57381f541e0178094a62272a9d2e741
15. 0x6d86d2282dd724b1b80d031e4e3cf9ed095b746e38c9e58d933efb597daff87f
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae