Evidence row 124077

Observed 26 Oct 2026, 14:40 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://webwache.halowerk.com/v1/canonical-change-snapshot
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: b97f0143f2452e1c8d0a11f567f091e2f0f18780f48c1e6fa550eae568ab3144
Leaf: 0x3581b7e8f1beaef74d3bc16315c7642cc498cf8e634c4147c7cfd6ffca4b2bc9

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://webwache.halowerk.com/v1/canonical-change-snapshot"
    ]
  ],
  "name": "webwache.halowerk.com/v1/canonical-change-snapshot",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "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",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Canonical change snapshot fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "compare_url": "https://example.org",
              "context": {
                "environment": "production"
              },
              "target": "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": {
                    "baseline": {
                      "additionalProperties": true,
                      "description": "Optional baseline returned by a previous snapshot call.",
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "compare_url": {
                      "description": "Optional public comparison URL. Used by change and monitoring services.",
                      "maxLength": 2048,
                      "minLength": 3,
                      "type": "string"
                    },
                    "context": {
                      "additionalProperties": {
                        "type": [
                          "string",
                          "number",
                          "boolean",
                          "null"
                        ]
                      },
                      "description": "Optional non-secret correlation labels returned unchanged only in the request lifecycle.",
                      "maxProperties": 12,
                      "type": "object"
                    },
                    "target": {
                      "description": "Public HTTP(S) URL or domain to inspect. A bare domain is normalized to HTTPS.",
                      "maxLength": 2048,
                      "minLength": 3,
                      "type": "string"
                    }
                  },
                  "required": [
                    "target"
                  ],
                  "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": "2026-10-21T20:20:34.058Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-21T20:20:33.41Z"
    },
    "resource": "https://webwache.halowerk.com/v1/canonical-change-snapshot",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Canonical change snapshot fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed."
}

What the leaf hashes

{"body":"b97f0143f2452e1c8d0a11f567f091e2f0f18780f48c1e6fa550eae568ab3144","id":124077,"kind":"listing","method":"baseline/1","observed_us":1793025624074215,"prev":null,"subject":"x402_bazaar:https://webwache.halowerk.com/v1/canonical-change-snapshot","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON