Evidence row 77077

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://lauf.halowerk.com/v1/ephemeral-browser"
    ]
  ],
  "name": "lauf.halowerk.com/v1/ephemeral-browser",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "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": "Creates a fresh browser context for one HTTPS page, obeys robots.txt, refuses login walls, CAPTCHAs and paywalls, renders JavaScript, returns a sanitized DOM and/or base64 PNG, and destroys the context after the request. There is no reusable cookie jar, session handle, login automation or navigation step list. The runtime ceiling is 60 seconds and the returned DOM is capped at 1 MiB.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "output": "dom",
              "timeout_seconds": 15,
              "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": {
                    "output": {
                      "default": "dom",
                      "enum": [
                        "dom",
                        "screenshot",
                        "both"
                      ],
                      "type": "string"
                    },
                    "timeout_seconds": {
                      "default": 60,
                      "maximum": 60,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "url": {
                      "description": "Public HTTPS page to render; credentials and private addresses are rejected.",
                      "format": "uri",
                      "type": "string"
                    },
                    "viewport": {
                      "additionalProperties": false,
                      "properties": {
                        "height": {
                          "default": 900,
                          "maximum": 1600,
                          "minimum": 320,
                          "type": "integer"
                        },
                        "width": {
                          "default": 1280,
                          "maximum": 1920,
                          "minimum": 320,
                          "type": "integer"
                        }
                      },
                      "type": "object"
                    },
                    "wait_until": {
                      "default": "domcontentloaded",
                      "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": "2026-10-19T19:09:05.852Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-19T19:09:05.426Z"
    },
    "resource": "https://lauf.halowerk.com/v1/ephemeral-browser",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Creates a fresh browser context for one HTTPS page, obeys robots.txt, refuses login walls, CAPTCHAs and paywalls, renders JavaScript, returns a sanitized DOM and/or base64 PNG, and destroys the context after the request. There is no reusable cookie jar, session handle, login automation or navigation step list. The runtime ceiling is 60 seconds and the returned DOM is capped at 1 MiB."
}

What the leaf hashes

{"body":"44e44351a5a8d1fd586832b84661a45b6b0769f07e4925c4aabf3dd55c7f069b","id":77077,"kind":"listing","method":"baseline/1","observed_us":1793025493303170,"prev":null,"subject":"x402_bazaar:https://lauf.halowerk.com/v1/ephemeral-browser","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. 0x49ba2847da9e15de4dd77cd665488759b20f4a4527671eba61aca0a997d346cb
2. 0xed6174a0fd2e29f9f3cc150219232e3b7b213dc94c9ee8ddc4d16ccc6ff8e8e5
3. 0x96111a9adf88d01f3b037dc48c3823340b34d24e6490f872a2c9c5beeed1d4f0
4. 0xf289e389f4e3e386ee612d4cbd72e697891b234514245fdecf3c05e1d359d7fc
5. 0x24fb92b73a6126af8e90b19e29beb7e321d699b04f964a8e497eb970d9af279a
6. 0x9b6951aef0a25d5d462b1883eaacc186e2ee88ad25921dac37e5be0170df216c
7. 0x49d8803d987fb2998ff1b8cda8d6dd5d337e7bd3a0c410ef2a7733366b2bca14
8. 0x265073b8a4a59da8431be1a2aa0104618cd298571593db1ef7f28d5a0d4724bb
9. 0xe1c0fd1614ce67b49971a9c27fcea860d96206a112218275c801d6066c2d1574
10. 0xc5b02e18acc2bf5e20929ae3673a14ea6bf4561de28d14bdef58038c731f9754
11. 0x36446ee01203fb6b2027599f737b7bdd64e3db182e50230f9c82fff4f67be776
12. 0xee7d5711cd2515f4b08f3e4041d3d56304f9db6bffd82d82746f0f4ea43b8f26
13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae