Evidence row 68110

Observed 26 Oct 2026, 14:37 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://api.postcodecontext.uk/api/v1/batch
Recorded: 26 Oct 2026, 14:37 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 09cd97fe2c2fcca0816bcdb7012ed98443d965bbce7570ac33a71e353c455cb2
Leaf: 0x803885ea483a138e88aa89391ac5c7c4a8ceb399d7ea8bb5e725bcefa09e11ac

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.postcodecontext.uk/api/v1/batch"
    ]
  ],
  "name": "Postcode Context UK",
  "owner_address": "0x8ab7568ac097523e81a94644235fcf19a2b85670",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x8ab7568ac097523e81a94644235fcf19a2b85670",
        "scheme": "exact"
      }
    ],
    "description": "POST /api/v1/batch — Bulk UK Postcode Demographics & IMD Enrichment (1 to 50 postcodes with cohort aggregation and spatial summaries)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "postcodes": [
                "SW1A 1AA",
                "BB7 3BB",
                "EH1 1YZ"
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "queryParams": {
              "format": "json",
              "view": "full"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "cohort_summary": {
                "cohort_mean_affluence_score_100": 76,
                "cohort_median_house_price_gbp": 445000,
                "dominant_affluence_tier": "Affluent",
                "total_matched": 3,
                "total_requested": 3
              },
              "results": []
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/v1/batch",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "postcodes": {
                      "default": [
                        "SW1A 1AA",
                        "BB7 3BB",
                        "EH1 1YZ"
                      ],
                      "description": "List of 1 to 50 UK postcodes to enrich in bulk",
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "postcodes"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "format": {
                      "default": "json",
                      "enum": [
                        "json",
                        "flat",
                        "csv"
                      ],
                      "type": "string"
                    },
                    "view": {
                      "default": "full",
                      "enum": [
                        "full",
                        "summary",
                        "property",
                        "demographics"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792929344/bazaar-icons/9d2de4e5c0743e69.jpg",
    "lastUpdated": "2026-10-25T23:52:52.464Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-25T23:52:52.022Z"
    },
    "resource": "https://api.postcodecontext.uk/api/v1/batch",
    "serviceName": "Postcode Context UK",
    "tags": [
      "uk-postcode",
      "demographics",
      "property",
      "census",
      "geospatial"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "POST /api/v1/batch — Bulk UK Postcode Demographics & IMD Enrichment (1 to 50 postcodes with cohort aggregation and spatial summaries)"
}

What the leaf hashes

{"body":"09cd97fe2c2fcca0816bcdb7012ed98443d965bbce7570ac33a71e353c455cb2","id":68110,"kind":"listing","method":"baseline/1","observed_us":1793025466195680,"prev":null,"subject":"x402_bazaar:https://api.postcodecontext.uk/api/v1/batch","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).

0x8038b69a87eb895fe2f808b4a116e3770530c3bef69548980df50dac258fdf98
0x4f3f90ca0a4a7ff5ad9d16b9947d0ffd4e356db697ffb7e230b95161c182bd47
0xb1fb4295ee3c4e46562f61a1127ed67d102f05c6463f67d99d90e9ad22011c44
0x26abd311ceb9197b78f9dce6283b1e13dadde37e0928993eb82fcba64931066a
0xb7f80b2077318e41701a61498ff023b10617b330f31196f8c480f0bd0313ecd0
0x86fcec1ead13709940c9018a8387138110b0b42d4b24a70fe6a7306a8ec6ec3e
0xee467784afe6f4b9396ed23b8cc3964cdd0bcc951db465e2188b3383e57c584f
0x9aa9ecb203c4dcf6dd264d68088bdb6e998053338207b1696196a6e6c267287c
0x637827a28e0b85d18358866209464afde9e659fc04c11e1c200e7c852c578d17
0x15c5749acf6e438b0810eb58256d5489413257c72393a4d6db9114e07e5b4598
0x62490dd1c15d5301c6fb2c08f1d6ceb3a0d4c216f6e742424332881907db0fcd
0xb9c4107c5cbaf0844324e5ba287c90e0643bb7b9e48e7877adda9372132cf0ea
0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON