Evidence row 118785

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://prop.halowerk.com/v1/gentrification-index"
    ]
  ],
  "name": "prop.halowerk.com/v1/gentrification-index",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Standardizes current-minus-baseline change by a supplied scale, applies an explicit direction and weight, clips extreme components, and maps the weighted result to a 0–100 descriptive index. Metric selection and interpretation remain with the caller. It does not obtain data, identify individuals, establish causation, rank residents or justify displacement decisions.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "metrics": [
                {
                  "baseline_value": 1100,
                  "current_value": 1420,
                  "metric_id": "median_rent",
                  "normalization_scale": 250,
                  "pressure_direction": "increase",
                  "weight": 0.4
                },
                {
                  "baseline_value": 0.38,
                  "current_value": 0.29,
                  "metric_id": "low_income_household_share",
                  "normalization_scale": 0.08,
                  "pressure_direction": "decrease",
                  "weight": 0.35
                },
                {
                  "baseline_value": 12,
                  "current_value": 16,
                  "metric_id": "eviction_filings_per_1000",
                  "normalization_scale": 5,
                  "pressure_direction": "increase",
                  "weight": 0.25
                }
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "metrics": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "baseline_value": {
                            "maximum": 1000000000000000,
                            "minimum": -1000000000000000,
                            "type": "number"
                          },
                          "current_value": {
                            "maximum": 1000000000000000,
                            "minimum": -1000000000000000,
                            "type": "number"
                          },
                          "metric_id": {
                            "maxLength": 128,
                            "minLength": 1,
                            "type": "string"
                          },
                          "normalization_scale": {
                            "maximum": 1000000000000000,
                            "minimum": 1e-9,
                            "type": "number"
                          },
                          "pressure_direction": {
                            "enum": [
                              "increase",
                              "decrease"
                            ],
                            "type": "string"
                          },
                          "weight": {
                            "maximum": 1000000,
                            "minimum": 0,
                            "type": "number"
                          }
                        },
                        "required": [
                          "metric_id",
                          "baseline_value",
                          "current_value",
                          "normalization_scale",
                          "pressure_direction",
                          "weight"
                        ],
                        "type": "object"
                      },
                      "maxItems": 1000,
                      "minItems": 1,
                      "type": "array"
                    }
                  },
                  "required": [
                    "metrics"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T06:12:38.99Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:12:38.565Z"
    },
    "resource": "https://prop.halowerk.com/v1/gentrification-index",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Standardizes current-minus-baseline change by a supplied scale, applies an explicit direction and weight, clips extreme components, and maps the weighted result to a 0–100 descriptive index. Metric selection and interpretation remain with the caller. It does not obtain data, identify individuals, establish causation, rank residents or justify displacement decisions."
}

What the leaf hashes

{"body":"b2b67519e76def439d8373f1ab9cb707d35386182e0fcd754a41c408cc07920d","id":118785,"kind":"listing","method":"baseline/1","observed_us":1793025613712906,"prev":null,"subject":"x402_bazaar:https://prop.halowerk.com/v1/gentrification-index","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).

1. 0xa08688e9a47b23e07d6ddfff8e82aec7dcecffe82e54a05d82d68ee931fc892b
2. 0xde0f474ca9de4f9b05d893d24dce8a36d266cb3a3201b69baf8589f40c55c0e7
3. 0x41781861bc89820e78600d6ad58632c6c518313bf036278f4d3cd3d3b0cd2ef9
4. 0x92abdc1c3a2cf8934b71193a57eea7ac03e1e263a86b6ac61a82e1a17fee0416
5. 0x885e80e83e50c1538e8b1c4338a566f0d30342808f3354ff1822de4d17140f67
6. 0xe985ce3cdf5c07073a4868e4acb1f212818d3dcf047e10a0ec095da57c170d82
7. 0xe1f7b896908f272a44f90e6b5d8a4a202f4b8f0ba55822e07138cca974d0a011
8. 0x924cb223023ed5a7a8e51c93e16beb3ace20245eada6544982a134582e3b1b97
9. 0x9aace6008a443ba750b03c0c28d93d0189196c609db59107298363e8229ec54c
10. 0xfc1c15deb00c4c3458cd5fe1ee472da303593b7fe5af49038ad8aa811e480c14
11. 0x201e001c6e19ae71acc15269442af8d1874e41df9926feb22cbf8a2b7fd3180b
12. 0x6367dad81ab5c2e6f424ad3e06310c9b75079293d62a08dfbde98ef993c35229
13. 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae