Evidence row 1040229

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": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2D6F7D1e969a3C6218599B348EbBBDdc7f583948",
        "scheme": "exact"
      }
    ],
    "description": "Find NSW complying development certificates (CDCs) within 2 km of a street address or latitude/longitude, nearest first. Pass address (e.g. '10 Brigalow Ave, Casula') and it is geocoded against the official NSW address register, or pass lat and lng. Costs $0.02 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": "Find NSW complying development certificates (CDCs) within 2 km of a street address or latitude/longitude, nearest first. Pass address (e.g. '10 Brigalow Ave, Casula') and it is geocoded against the official NSW address register, or pass lat and lng. Costs $0.02 per call (x402, USDC on Base). Source: NSW Department of Planning, Housing and Infrastructure (NSW Planning Portal), CC BY 4.0.",
            "example": {
              "lat": "-33.946",
              "lng": "150.899",
              "radius_m": "500"
            },
            "inputSchema": {
              "properties": {
                "address": {
                  "description": "NSW street address with suburb; alternative to lat/lng",
                  "type": "string"
                },
                "lat": {
                  "description": "Latitude (WGS84); required unless address is given",
                  "type": "string"
                },
                "limit": {
                  "description": "Max results, 1-100 (default 20)",
                  "type": "string"
                },
                "lng": {
                  "description": "Longitude (WGS84); required unless address is given",
                  "type": "string"
                },
                "lodged_from": {
                  "description": "Lodgement date lower bound, yyyy-mm-dd",
                  "type": "string"
                },
                "radius_m": {
                  "description": "Radius in metres, 1-2000 (default 500)",
                  "type": "string"
                }
              },
              "required": [],
              "type": "object"
            },
            "toolName": "nsw_cdc_search_nearby_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"
                  ],
                  "distance_m": 120,
                  "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": {
                "count": 1,
                "lat": -33.946,
                "lng": 150.899,
                "radius_m": 500
              }
            },
            "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": "2026-10-29T08:49:57.258Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T08:49:56.936Z"
    },
    "resource": "https://agent-data-platform.langtools.workers.dev/mcp#nsw_cdc_search_nearby_applications",
    "type": "mcp",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Find NSW complying development certificates (CDCs) within 2 km of a street address or latitude/longitude, nearest first. Pass address (e.g. '10 Brigalow Ave, Casula') and it is geocoded against the official NSW address register, or pass lat and lng. Costs $0.02 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":"5f1b5223c7bf4df3b7d016d18b75c245a170df1bcdec8916ed7f120337bf8e51","id":1040229,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298496737679,"prev":null,"subject":"x402_bazaar:https://agent-data-platform.langtools.workers.dev/mcp#nsw_cdc_search_nearby_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. 0x13bd79b59a6b1c78ddca8a4a7b74d8a3e998ed61fac4ff7fd3598aebf54d1df7
2. 0x16c506fb1f3789736aaa323ce21b7c8338cb9afc875250d4d1771d88f224d8d1
3. 0x2adfa18b2a6e97d568af98c6c4432c136b21d106b02cb91855dd31bd8223ff2a
4. 0xbb8fe02665b6e5d48619ec7196625d4d471e97512aa9f59365e773afde1a2bf1
5. 0x859b396fff65e2a8556d71d04565c6b1a3263a2e224d0bd3eb1b54fda75da121
6. 0x2fff30d76e187f2c82ec3065cfe45db81754b1d0fce0dba7a94573aacf3eeb9b
7. 0x564d677827a93ede800d86dd1394e29f6a966416822a97f6635c19b43e05c33e
8. 0xdbf208cf0e8795af42b0610ca9c47771021d2e2b56012d9288b450b3d1b1cff8
9. 0xfd8c2c2d01f19a4664ab3bb63cd8cec303fa5f9423e7d9212ad28c04a2a1e949
10. 0xc504a8ffffdb1c1690a254b7d818f2efc472ab29b13e691b90088855ad591d7f
11. 0x58962753bfeff8c4e3663c417d2b7ea04818932f9fc2a5f8a10ceb173e8432cb
12. 0xb8f119e9ad494786e4c14495d773403072d99e028eca7f32d5755c33821e77e8
13. 0x9f7c7f82c1751c52f0abfa61fd04ab49e1074f7dabe66661cd391efb1c30f9ba
14. 0x084c8874a1d9f8527c9c50048abe328afb50aa4926cc4b9639898f00eef5101f
15. 0xb4cbfd07748aa7d27896e5517d69e2e77024b97a1cfe1755f9af8471ad993bde
16. 0xa0a7723889a4c15b3e0bec353fa8dbcaec6c71cf35bb6c346415ad3e664df6a6
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1