Evidence row 1038961

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.postcodecontext.uk/api/v1/outcode/:outcode"
    ]
  ],
  "name": "Postcode Context",
  "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": "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": "2026-10-29T00:21:50.576Z",
    "quality": {
      "l30DaysTotalCalls": 10,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-29T00:21:49.91Z"
    },
    "resource": "https://api.postcodecontext.uk/api/v1/outcode/:outcode",
    "serviceName": "Postcode Context",
    "tags": [
      "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":"484753be64f5730a0f67ee6ed4cc9a91bd48cbc60e82c1a45b28aebde8376a10","id":1038961,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298277147523,"prev":527266,"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 2026-10-29 (242798 rows).

1. 0xf47a26f42a6707065af42132503133fb45a775375e4f85ed80224cca54a37e0b
2. 0x03a3a35bb58be9cc051fca156b5a5519312625ba41000d829245f362c03a6cfc
3. 0xa6dcaea92078ceb558b02efd1adc8e478b0c8123cfb22fd64aff8ef86c8db199
4. 0x7242d8dd8b3d139864c73ff0746571d8ef7a4da0f65d9d471b067a7338a7f740
5. 0x10cd7c96ab54a5e660d4d315670af20f986c7ad556c8f280033e930f4fff8b66
6. 0x830f4391a3614534a2a989cd900c7de822f7f882ad81872573ae44f2093187ff
7. 0x0db495507ea537397a24887f53dc0d54409a2e0b0051e7aa1bf8ae5986a7cb64
8. 0xaec7d1080cc022f58390f9cb8e74f2589c879fcf2a419a7c53a9fd344a1173d9
9. 0xf1321c521706ec2d67136de7d11da1ff29871c17820b2ea4cd23dc2e262377af
10. 0xba01bc8bdc3735d144d6e6c2814e9d6c695d8cce15ee414babcc3a1cd6ee15d4
11. 0x15476946b3e7fb1518cb2fa1d030271b5c8ab0f28e7a811797403fbbf6856fea
12. 0x9c0281c2a4bfee33b76e469eeb2b2cf128dbede9395403178364aa32378c6d83
13. 0xe61db4873d922d736073fbcc17a7758f857abc53591bf83c26e95a8c7fdf1d7f
14. 0xc7119ea806f683838e5f48055d7f1b7fded1f500c6064dabeb8b9a36bba8932f
15. 0x1dd763930a8023065a24b676469b4f26d92a89cfe71226ced9df379f43ec0f0a
16. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
17. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1