Evidence row 1040231

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent-data-platform.langtools.workers.dev/mcp"
    ]
  ],
  "name": "agent-data-platform.langtools.workers.dev/mcp",
  "owner_address": "0x2d6f7d1e969a3c6218599b348ebbbddc7f583948",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2D6F7D1e969a3C6218599B348EbBBDdc7f583948",
        "scheme": "exact"
      }
    ],
    "description": "Search NSW complying development certificates (CDCs) by council, suburb, postcode or lodgement date, newest lodgement first. Costs $0.01 per call (x402, USDC on Base). Source: NSW Department of Planning, Housing and Infrastructure (NSW Planning Portal), CC BY 4.0.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "description": "Search NSW complying development certificates (CDCs) by council, suburb, postcode or lodgement date, newest lodgement first. Costs $0.01 per call (x402, USDC on Base). Source: NSW Department of Planning, Housing and Infrastructure (NSW Planning Portal), CC BY 4.0.",
            "example": {
              "council": "Liverpool",
              "limit": "5",
              "lodged_from": "2026-09-01"
            },
            "inputSchema": {
              "properties": {
                "application_type": {
                  "description": "Application type, exact and case-sensitive; valid values are the keys of by_application_type in nsw_cdc_get_summary",
                  "type": "string"
                },
                "council": {
                  "description": "Council name or part of it, case-insensitive; matches every council whose name contains it. Full names are in by_council of nsw_cdc_get_summary",
                  "type": "string"
                },
                "development_type": {
                  "description": "Development type, partial match",
                  "type": "string"
                },
                "limit": {
                  "description": "Page size, 1-100 (default 20)",
                  "type": "string"
                },
                "lodged_from": {
                  "description": "Lodgement date lower bound, yyyy-mm-dd",
                  "type": "string"
                },
                "lodged_to": {
                  "description": "Lodgement date upper bound, yyyy-mm-dd",
                  "type": "string"
                },
                "min_cost": {
                  "description": "Minimum estimated cost of development in AUD",
                  "type": "string"
                },
                "offset": {
                  "description": "Number of results to skip, 0-1000 (default 0)",
                  "type": "string"
                },
                "postcode": {
                  "description": "4-digit postcode of the primary address",
                  "type": "string"
                },
                "status": {
                  "description": "Application status, exact and case-sensitive; valid values are the keys of by_status in nsw_cdc_get_summary",
                  "type": "string"
                },
                "suburb": {
                  "description": "Suburb of the primary address, case-insensitive",
                  "type": "string"
                }
              },
              "required": [],
              "type": "object"
            },
            "toolName": "nsw_cdc_search_applications",
            "transport": "streamable-http",
            "type": "mcp"
          },
          "output": {
            "example": {
              "attribution": {
                "licence": "CC BY 4.0",
                "licenceUrl": "https://creativecommons.org/licenses/by/4.0/",
                "publisher": "NSW Department of Planning, Housing and Infrastructure (NSW Planning Portal)",
                "text": "Contains data from the NSW Planning Portal Online CDC Data API, © State Government of NSW and NSW Department of Planning, Housing and Infrastructure, licensed under CC BY 4.0."
              },
              "data": [
                {
                  "application_type": "Complying Development Certificate Application",
                  "cost_is_placeholder": 0,
                  "cost_of_development": 200000,
                  "council_application_number": null,
                  "council_name": "Liverpool City Council",
                  "determination_date": null,
                  "development_types": [
                    "Secondary dwelling"
                  ],
                  "lodgement_date": "2026-10-04",
                  "new_dwellings": null,
                  "pan": "CDC-388198",
                  "primary_address": "10 BRIGALOW AVENUE CASULA 2170",
                  "primary_lat": -33.945364214,
                  "primary_lng": 150.898018017,
                  "primary_postcode": "2170",
                  "primary_suburb": "CASULA",
                  "source_last_updated": "2026-10-04T18:39:58.770",
                  "status": "Under Assessment",
                  "storeys": null
                }
              ],
              "meta": {
                "has_more": true,
                "limit": 5,
                "offset": 0
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "description": {
                  "type": "string"
                },
                "example": {
                  "type": "object"
                },
                "inputSchema": {
                  "type": "object"
                },
                "toolName": {
                  "type": "string"
                },
                "transport": {
                  "enum": [
                    "streamable-http"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "mcp",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "toolName",
                "inputSchema"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-29T08:49:55.221Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T08:49:54.225Z"
    },
    "resource": "https://agent-data-platform.langtools.workers.dev/mcp#nsw_cdc_search_applications",
    "type": "mcp",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search NSW complying development certificates (CDCs) by council, suburb, postcode or lodgement date, newest lodgement first. Costs $0.01 per call (x402, USDC on Base). Source: NSW Department of Planning, Housing and Infrastructure (NSW Planning Portal), CC BY 4.0."
}

What the leaf hashes

{"body":"887adb8abffe10bb8129d4885a30beae46bb4d6760322009310d85e83e4fadce","id":1040231,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298496742484,"prev":null,"subject":"x402_bazaar:https://agent-data-platform.langtools.workers.dev/mcp#nsw_cdc_search_applications","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xd52692fb83c5912c0b6f4fcb944e50ecb56a339dc8d0aa874be1dc5ae4e0643b
2. 0xa93d2bbad86a26df67eb9296a0c693d4b84cc6cb44ebac9214fb644b9c5ad05c
3. 0x775963776170ec97fa26b4e4858c73707d72d0b9782fa3db5f1bb4a09140e131
4. 0x61bf0a6a83925cacf35622d6871bdf35d5d5f94a4fc8e010a87a0b507a70a4c8
5. 0xec1725e0a9a39e1c56423c21c9732a4d74a390d4f834e9581666bc866a8cbf76
6. 0xbf591dc441c57aa544541450bc7b85108617180c0be7cd52d819ef469503088e
7. 0xf754cf399cf533a7f80689cfb59e30f39a325dce911f18dc668ec81044bcabba
8. 0xcf7705cec9a03e45994bf1b28a9fd3bfbe1e453cf0ef7839fc78745c0485e054
9. 0x22f61cec0037ba01e5862d196dc9a9f523b3dc838ad3bfcb683501bb5bde54f2
10. 0x38197e03a9c7c5f6c1f322e96540cc31b5c7d5f3f97fe8db555b21f6f6ed74ba
11. 0xef30b02708fa5f44a11d226f0d59310fe837f1af1e391254ea473f8cb11d3c83
12. 0x8111b8e842d177c62d5a5185b298850a167994d051a0ae51bb7c4e0353359cdf
13. 0xfe28e9e98d6dfa695fe78aeee74c827cd30eb7ca9245a239277f9fb4e1ff47a1
14. 0xc5f320d911e4e74a5ef306d3473fe072ea90372c9b9d8902795503f6d18cc307
15. 0xa7d3fa0a08edea990614977b51a6b3289c357a88d8ca06dcbfe67415a017c0e7
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1