Evidence row 77076

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://lauf.halowerk.com/v1/browser-task"
    ]
  ],
  "name": "lauf.halowerk.com/v1/browser-task",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "16000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Loads one https page in a real headless browser and performs up to eight steps on it: click, fill, select, check, uncheck, wait, wait_for_selector. Returns a per-step log saying what was attempted and whether it succeeded, plus the final URL, title, visible text, links, form structure and an optional screenshot as a base64 PNG. Three limits are part of the product, not accidents.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "collect": {
                "links": true,
                "text": true
              },
              "steps": [
                {
                  "action": "wait",
                  "ms": 500
                }
              ],
              "url": "https://example.com/"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "collect": {
                      "additionalProperties": false,
                      "description": "What to return. text and links are on by default.",
                      "properties": {
                        "console": {
                          "default": false,
                          "description": "Console messages emitted by the page.",
                          "type": "boolean"
                        },
                        "forms": {
                          "default": false,
                          "type": "boolean"
                        },
                        "links": {
                          "default": true,
                          "type": "boolean"
                        },
                        "screenshot": {
                          "default": false,
                          "description": "A base64 PNG of the final state.",
                          "type": "boolean"
                        },
                        "text": {
                          "default": true,
                          "type": "boolean"
                        }
                      },
                      "type": "object"
                    },
                    "steps": {
                      "description": "At most 8 steps, executed in order. A step cannot navigate to another address.",
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "action": {
                            "description": "What to do. \"press\" and free typing are deliberately absent — the Enter key is the usual way to submit a form without saying so.",
                            "enum": [
                              "click",
                              "fill",
                              "select",
                              "check",
                              "uncheck",
                              "wait",
                              "wait_for_selector"
                            ],
                            "type": "string"
                          },
                          "ms": {
                            "description": "Milliseconds for wait.",
                            "maximum": 10000,
                            "minimum": 0,
                            "type": "integer"
                          },
                          "selector": {
                            "description": "CSS selector of the element. Required for click, fill, select, check, uncheck and wait_for_selector.",
                            "maxLength": 300,
                            "type": "string"
                          },
                          "text": {
                            "description": "Text for fill.",
                            "maxLength": 2000,
                            "type": "string"
                          },
                          "values": {
                            "description": "Option values for select.",
                            "items": {
                              "type": "string"
                            },
                            "maxItems": 20,
                            "type": "array"
                          },
                          "wait_after_ms": {
                            "description": "Pause after this step, e.g. to let a page settle.",
                            "maximum": 10000,
                            "minimum": 0,
                            "type": "integer"
                          }
                        },
                        "required": [
                          "action"
                        ],
                        "type": "object"
                      },
                      "maxItems": 8,
                      "type": "array"
                    },
                    "url": {
                      "description": "The https page to load. Only public addresses; no credentials in the URL.",
                      "format": "uri",
                      "type": "string"
                    },
                    "viewport": {
                      "additionalProperties": false,
                      "properties": {
                        "height": {
                          "default": 900,
                          "maximum": 2000,
                          "minimum": 320,
                          "type": "integer"
                        },
                        "width": {
                          "default": 1280,
                          "maximum": 2560,
                          "minimum": 320,
                          "type": "integer"
                        }
                      },
                      "type": "object"
                    },
                    "wait_until": {
                      "default": "load",
                      "description": "When the page counts as loaded.",
                      "enum": [
                        "load",
                        "domcontentloaded",
                        "networkidle"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:40:47.492Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-08T05:40:46.909Z"
    },
    "resource": "https://lauf.halowerk.com/v1/browser-task",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Loads one https page in a real headless browser and performs up to eight steps on it: click, fill, select, check, uncheck, wait, wait_for_selector. Returns a per-step log saying what was attempted and whether it succeeded, plus the final URL, title, visible text, links, form structure and an optional screenshot as a base64 PNG. Three limits are part of the product, not accidents."
}

What the leaf hashes

{"body":"2031bc487ba002ff63bd4fd3df3d903f1cc4c546de50bd206f7775b22eb8e110","id":77076,"kind":"listing","method":"baseline/1","observed_us":1793025493301989,"prev":null,"subject":"x402_bazaar:https://lauf.halowerk.com/v1/browser-task","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. 0x1fd4f6d26af2f98c68cae7b4ddb7c941494aeb7acdbad0b5125bb9185123dfcd
2. 0xcadee2f46843ab7d4ef711ef0820cbb07726a4f3bf6d8a3f83bad9360866b4ac
3. 0x76bb294ad94dd684fad0f006db227a1a5e01b2e7c70ced0e8d2020b9b66b09e2
4. 0x01891232456561e749f8c8eaebf42dc9b88a95e0b2c7f760f1db0a99543ff62c
5. 0x097350aa8100c8653caae84512d34128f4398ddec587cc31312f91e52c9f5fd6
6. 0xefedb71b68ce522021e9cff2b3c67dc9d145245f670ebf6ac2156d80b1c97275
7. 0x164c8b377d540ef9a0be45dad1dc55771fb36bcd015efdaedc853147b7af5785
8. 0x8dd8faa1524621a0345f84819f3cc3be6f07333f155e78519e93c0e4e80a62b1
9. 0x40e0a9ac6427a7ea07c0ef47b73962b21160519fcc03060ea19e1a97d078ccb1
10. 0xcb356795c2f871f10302e99d7886dd86ab753d56286c29b6b548252764b8cdca
11. 0xbfd7c325ad90588d62856113d1c0ad99de5d67958ff0f672c892809fd668fffe
12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae