Evidence row 68112

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

Kind: listing
About: source_record x402_bazaar:https://api.postcodecontext.uk/api/v1/outcode/:outcode
Recorded: 26 Oct 2026, 14:37 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 735d7c127d27547a2d4d82e12d9936eedd7b6e26f207c8e34c179cfc9d86de73
Leaf: 0x4c0e5ca698f3c86529c1b43f31a9a71b381c2a1f5c86ac4207867253773fb77b

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.postcodecontext.uk/api/v1/outcode/:outcode"
    ]
  ],
  "name": "Postcode Context UK",
  "owner_address": "0x8ab7568ac097523e81a94644235fcf19a2b85670",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x8ab7568ac097523e81a94644235fcf19a2b85670",
        "scheme": "exact"
      }
    ],
    "description": "GET /api/v1/outcode/:outcode — Outward Postal District Summary (district-wide median prices, transaction volume, and dominant affluence tiers)",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "outcode": "BB7"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "average_affluence_score_100": 64,
              "district_avg_price_per_sqm_gbp": 5514,
              "district_context_briefing": "BB7 covers Clitheroe, Dunsop Bridge (official geographic centre of Great Britain), and the Forest of Bowland, featuring rural and suburban family housing with high living standards.",
              "district_median_house_price_gbp": 358398,
              "dominant_affluence_tier": "Mid-Market",
              "imd_overall_decile_range": {
                "max": 9,
                "median": 6,
                "min": 3
              },
              "outcode": "BB7",
              "top_personas": [
                "Established Mixed-Generation Suburban Residents",
                "Rural Working Families"
              ],
              "total_postcodes": 1420
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/v1/outcode/:outcode",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "properties": {
                    "outcode": {
                      "default": "BB7",
                      "description": "UK outward postal district code (e.g. BB7, SW1A, M1)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "outcode"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "pathParams"
              ],
              "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": "2026-10-25T11:55:48.449Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T11:55:47.906Z"
    },
    "resource": "https://api.postcodecontext.uk/api/v1/outcode/:outcode",
    "serviceName": "Postcode Context UK",
    "tags": [
      "uk-postcode",
      "demographics",
      "property",
      "census",
      "geospatial"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "GET /api/v1/outcode/:outcode — Outward Postal District Summary (district-wide median prices, transaction volume, and dominant affluence tiers)"
}

What the leaf hashes

{"body":"735d7c127d27547a2d4d82e12d9936eedd7b6e26f207c8e34c179cfc9d86de73","id":68112,"kind":"listing","method":"baseline/1","observed_us":1793025466197645,"prev":null,"subject":"x402_bazaar:https://api.postcodecontext.uk/api/v1/outcode/:outcode","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).

0x4c0e590deb947e78c6ac87a8776ce1151d20e2a1d5211c51830e8ff9942414e8
0x4b3fd269bd7748ed61be40b60309c332f99d57fb767bfca775bae870070d683c
0x8791fd762ffc7ead17512a10450321049fe2dd40c0b5a1b35b36462b48196e88
0xa9333ddece586df9dd16375a20ef3fad2ee6ff081c26c773045a3d11683a8fa3
0x5086249a596083f6e29978f9dbbe43f3d6560133355a7186845f7cd0cd4f6255
0x231969e76ea2a056669b8d7f8192aadd1f73eb9c217fc7615689b042cc03fecf
0x240b7bac2f209ba409d3617439f61c62f92cc91eed9e5538db118ef67819e9b5
0xd9744551e762f1eebb6d7a9fea801147c986056d3d58973883352de8f995d581
0x43fb894317b82ea814d4ab3f7f36fe19b7af25dc52af20c231f002838f5753f9
0x5e5595f403ae2f6e6bc3afc146009e77398a17f4b51a39a54f14d6f8a2b599cb
0x8e1dce5acc3a34df8e5fee91635037c0b87740a313eb455495b8fa04b41070e7
0x67ae8949b58cb7b0dd4cfa0f9aeeee715e0ae6b87fef0ba46483bbf280004c53
0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

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

How to check it · This row as JSON