Evidence row 2208002

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://conversion.halowerk.com/v1/offer-availability-experiment"
    ]
  ],
  "name": "conversion.halowerk.com/v1/offer-availability-experiment",
  "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": "Structured availability experiment plan 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": {
              "context": {
                "environment": "production"
              },
              "target": "https://example.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "action": {
                "control_observation": false,
                "guardrail": "Do not reduce accessibility, security or legal clarity.",
                "hypothesis": "Publish current availability matching visible stock.",
                "primary_metric": "schema_availability",
                "success_rule": "truthy true",
                "type": "experiment_plan"
              },
              "category": "conversion",
              "comparison": null,
              "confidence": 100,
              "criterion": {
                "expected": true,
                "id": "conversion:offer-availability",
                "metric": "schema_availability",
                "operator": "truthy"
              },
              "evidence": {
                "hash_sha256": "7355e18a82fcb5bc002b3b7fd5d8e118a2bd0d45fb25ae81adf86fb32bb149f7",
                "redirects": 0,
                "source": "https://example.com/",
                "status": 200
              },
              "limitations": [
                "Read-only public inspection; no login, form submission, exploit attempt, purchase or load test.",
                "Signals support a conversion decision but do not prove causal uplift without a controlled experiment."
              ],
              "meta": {
                "cache": "hit",
                "comparison_cache": null,
                "partial": false
              },
              "mode": "experiment",
              "observation": false,
              "pass": false,
              "scope": "live_public_read_only",
              "score": 0,
              "service": "Structured availability — Experiment Plan",
              "service_number": 730,
              "target": {
                "checked_at": "2026-10-23T06:50:22.151Z",
                "final": "https://example.com/",
                "requested": "https://example.com"
              },
              "verdict": "fail",
              "warnings": []
            },
            "type": "json"
          }
        },
        "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"
            },
            "output": {
              "properties": {
                "example": {},
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T15:15:44.771Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T15:15:44.551Z"
    },
    "resource": "https://conversion.halowerk.com/v1/offer-availability-experiment",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Structured availability experiment plan 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":"374845ce1868504d1ee4fd1f73145d28e0022ab26bf296d3f9cfa24d4d96d581","id":2208002,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793647020903590,"prev":null,"subject":"x402_bazaar:https://conversion.halowerk.com/v1/offer-availability-experiment","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x2f885445efcea665b92a78920c618bef0286515c1ce26148b8bdaebe7926e757
2. 0x2bfdd6ec2656e360b6e1877aca9384842087eb7a19a3bf64a9761a693f0919b5
3. 0x61fa40d031d4336fbf7c079c4093734bcccd9ff9c6c4dfaaa9cf3be785718806
4. 0x317c01c2c75eb74009e4dfae57aafa849905525bf6f5fd1789a576b3bf620d41
5. 0x90edb16625d4bc41988c8928ea9c0ecaf30776b92a3916e1136da454946fc694
6. 0xef138af0736f6188d3b6231956816009a63e821b84ff6ab395c58f7a94c4962c
7. 0xebbb7befb127d606bf659ccc52a252f2db38aedc081ec0bd693e98789e6d3283
8. 0x4d4946a7030dd6524eb79cd5364cc3110c366d970c54f9eaa53dd46af76eea8b
9. 0xaf99218fee5048601ee72e8a9ad392d365662c309c5ca33ec6ff0396a401a15e
10. 0x22338f581c4d41690a78a728eb0cd6de24b6a536f5e021e6035f81f736dad08e
11. 0x4ea697865e2916c5b16d551fb7b9e33570351dabb1e44f53ddc037de1224d479
12. 0xd02b59f5289a7e4f418fa177885dbe768742fd98e5bf0532eaadff55a79c5864
13. 0xe0a95aa0d153f7a034b0dbeb91c5460c64c47c22ac037e0e8cfa69f4ff734b69
14. 0x74cae95d275254a9c747b603bd40b5086c5725fd3e904782e6447e4647e8b049
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af