Evidence row 1040233

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 development applications 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 development applications 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": "Parramatta",
              "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_da_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_da_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_da_get_summary",
                  "type": "string"
                },
                "suburb": {
                  "description": "Suburb of the primary address, case-insensitive",
                  "type": "string"
                }
              },
              "required": [],
              "type": "object"
            },
            "toolName": "nsw_da_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 DA Data API, © State of New South Wales, licensed under CC BY 4.0."
              },
              "data": [
                {
                  "application_type": "Development Application",
                  "cost_is_placeholder": 0,
                  "cost_of_development": 91300,
                  "council_application_number": "DA/178/2026",
                  "council_name": "City of Parramatta Council",
                  "determination_date": "2026-08-28",
                  "development_types": [
                    "Demolition",
                    "Subdivision",
                    "Supporting Development"
                  ],
                  "lodgement_date": "2026-03-30",
                  "new_dwellings": null,
                  "pan": "PAN-624302",
                  "primary_address": "5A ATKINS ROAD ERMINGTON 2115",
                  "primary_lat": -33.81028812,
                  "primary_lng": 151.063792616,
                  "primary_postcode": "2115",
                  "primary_suburb": "ERMINGTON",
                  "source_last_updated": "2026-09-01T01:03:49.900",
                  "status": "Determined",
                  "storeys": null
                }
              ],
              "meta": {
                "has_more": true,
                "limit": 20,
                "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": "2026-10-29T08:49:50.057Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T08:49:49.687Z"
    },
    "resource": "https://agent-data-platform.langtools.workers.dev/mcp#nsw_da_search_applications",
    "type": "mcp",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search NSW development applications 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":"9824d5e98e88c5b4bc7099551ad692dc6adfc2a14a28dbc2801fb7cac5c40095","id":1040233,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298496747914,"prev":null,"subject":"x402_bazaar:https://agent-data-platform.langtools.workers.dev/mcp#nsw_da_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. 0x9db83bb925942e8cc358599b4ba21c4cc0864ad1ffbcd49a8103379f4b9e179d
2. 0x3ded51fbda5174189ecd373be43b85096cfa74beca1a94e50ba3e6fb307038fd
3. 0x44ced2217a7adc36aefbf39a99a7a105c27def831cc410e8f414f59220afb92a
4. 0x040ceb545611ccae14e8e55721117d2fbeff4e4127ae2529ee748f519fc2ffcf
5. 0x638cea41931509e3603b18e46bc6c114085dbb2f2a51db6163597fb320519979
6. 0x8252a959ffe2047768db04d0f07c06c495ec03bee1fc1316970c4b78381f380d
7. 0x482654f66267c32d5ebcae7cf1184495cd3df05553ef15d44dd4ddcc4c09cc90
8. 0x34ddf774538b8ddac563fe00e0f46e556811f9db2006752a0ccee5246e3ff93a
9. 0xca599bd290330838f96da14fe95150104f5631a7241fc27cd90795054640d086
10. 0xa0f19835c645bb5bee5750b8d6bf0f2911b685426471c6615826d15c41ce21a4
11. 0x92af1bf8a2c62189ad8a66e282d0ddda72114c468617970bfd245a3b830c2f90
12. 0x92baf29212252c438f8f8c855a3143deac423fa668be5886d1e86d13c47132ec
13. 0xbb0a2c430dc54812e3f6b6c2468d5b94e0ff1143439ee40a935801628b42ca5f
14. 0x96603408ef495fb0a8106bb839ad20e6578c0c0fbded2a9b235438f5985b0f0b
15. 0x4a1f9fe26bf92c291485b5fb33b95d1917a994e417ac0526ccef55ede0a90a4c
16. 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1