addrbookFor publishers
← The evidence ledger

Evidence row 452341

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://api.postcodecontext.uk/api/v1/outcode/:outcode
Recorded
Previous row
#68112
Body SHA-256
971c074815832cfd5f2843c7b86f45c6a9ee06d1aa61954ea4e5f84b912dd238
Leaf
0xa35f3308a3c7e08f6f008860dc4989ca3c1afe052ecef9de84fb8bb3ec14538b

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": "2026-10-27T09:22:48.788Z",
    "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":"971c074815832cfd5f2843c7b86f45c6a9ee06d1aa61954ea4e5f84b912dd238","id":452341,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100520609456,"prev":68112,"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 (273461 rows).

  1. 0xa35f6cc5d2bd17418ea79e2a97eff9e0fe063ccecd121ac79c93c2071056fe4e
  2. 0x8aa9d53cbc3c7754cfd29fed5ca611a2685a217a92c12c025f11d534cb2feb3e
  3. 0x773e8fdec9e4ce5b9ad68e3747cb1650b1bc9054d196191296219631e14988b3
  4. 0x1722a2a53a28e1265cc5bc189e3bea59f1580819503739350e3c8922abcc7538
  5. 0x1088fc744025460a0937299355c3d06b356af00d4bdd3ef145fe7f70daca8553
  6. 0x4093980a23bf2f4e2a42bb635544f95e0f0b362eeae6205e5a49fd3794ad9b32
  7. 0x1e2a7e27e10814b8226a1db7e59770e3f61215680c2b71f3bc2d124a8b8dcb5f
  8. 0xb4afa55eb61fe91554d389f7bfa97a5c3c9c7c04112808f787280fb8b6e788da
  9. 0x49e5a66bd20ea337de1c33d5c34fea416e462f2140d949d5bb1c5c0d06b98d04
  10. 0xa0ea68059b84d3e8082a97b6f66d61d00092b368cef47b86fa4b782fde336acf
  11. 0xd9929b92c66c9433d68fc7d48eddf234ae765144f98d397c91dd32e9124ee876
  12. 0x0c9efc71bd73a056aab018d34b600797c2287eaa0df0398c8404046e9420d684
  13. 0x87816aee66e8f6e0f1e55ea83733bb58cf9612d36c45fd5b7fc5d6f4484b78fd
  14. 0x0644f7e2a4b5bf9b66f185cc3fbb766d456ad94490183852f4c6db5855114cc5
  15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
  16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
  17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
  18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON