Evidence row 279283

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pjm-nowcast-production.up.railway.app/v1/nowcast/history/extended"
    ]
  ],
  "name": "pjm-nowcast",
  "owner_address": "0x34cfb8bdbf16e4484b7da0ed31deed5771b16c8f",
  "raw": {
    "accepts": [
      {
        "amount": "250000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "250000",
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x34cfb8bdbf16e4484b7da0ed31deed5771b16c8f",
        "price": "$0.25",
        "scheme": "exact"
      },
      {
        "amount": "250000",
        "asset": "USDC",
        "maxAmountRequired": "250000",
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DCi9X5mmacNGLeJvCw9fdWgX3G8V4QquDn4EuXATkcYr",
        "price": "$0.25",
        "scheme": "exact"
      }
    ],
    "description": "Extended descriptive history within the retention window.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "windowHours": 168
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "ageSeconds": 120,
              "asOf": "2026-10-09T18:00:00-04:00",
              "resolution": "native",
              "rtoLmp": {
                "last": 41,
                "n": 200,
                "unit": "USD/MWh"
              },
              "windowHours": 168
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "compare": {
                      "enum": [
                        "none",
                        "prior_period"
                      ],
                      "type": "string"
                    },
                    "families": {
                      "items": {
                        "enum": [
                          "rto_lmp",
                          "zonal_spread",
                          "rto_load"
                        ],
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "resolution": {
                      "enum": [
                        "native",
                        "hourly"
                      ],
                      "type": "string"
                    },
                    "windowHours": {
                      "description": "Trailing window in hours. Default 168, capped by retention.",
                      "minimum": 1,
                      "type": "integer"
                    }
                  },
                  "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"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Trailing descriptive history. Not a forecast.",
                  "properties": {
                    "ageSeconds": {
                      "type": "integer"
                    },
                    "asOf": {
                      "type": "string"
                    },
                    "resolution": {
                      "type": "string"
                    },
                    "rtoLmp": {
                      "type": "object"
                    },
                    "rtoLoad": {
                      "type": "object"
                    },
                    "stale": {
                      "type": "boolean"
                    },
                    "windowHours": {
                      "type": "integer"
                    },
                    "zonalSpread": {
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T13:00:39.724Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T13:00:39.517Z"
    },
    "resource": "https://pjm-nowcast-production.up.railway.app/v1/nowcast/history/extended",
    "serviceName": "pjm-nowcast",
    "tags": [
      "pjm",
      "nowcast",
      "history",
      "load",
      "spread"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Extended descriptive history within the retention window."
}

What the leaf hashes

{"body":"34531abc6006068c4ed81033822379ac73f525bb911e62781d3b7fd14d43f586","id":279283,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042186536294,"prev":56099,"subject":"x402_bazaar:https://pjm-nowcast-production.up.railway.app/v1/nowcast/history/extended","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. 0x008d4f2f20109364fbe514d0f71650f6fb4bfc67670ac31911ab7cda29e5873d
2. 0x354e289073ba57ee31294c5d5355ef4f6b56f2e0893b81904a83405cb7e59f4a
3. 0xf7496bf2c171a486c336e168711fbb1ef795a909b714fdb10e7305f5239f12fa
4. 0xa76ccfb616ea2bcf452670a79b0779f7d79c99785b62924bfcd77425753c1e87
5. 0xec609b98edbea4a3c81b6a1265ac67b0e81916e3666cbb684f1331ddc21088f4
6. 0x7ba863e22ddbdaa332e02fb58e2b73a08910d21812b3a0af507a81699a6ea47d
7. 0x5b0325c62ac4ff120f371f166904dbf0c7fa678d10acc737206425af44384eda
8. 0x7d52deac6a9616c8ee2e44e8e998cc904487dbc624d559c9304e7bc6b2baedcc
9. 0x4f4b1a402d7ba339698163cfae2b6e599b72ed6018d3e89e3cd40d060b77051e
10. 0x1edd2dc9dd36bef0d66bcca09e9894f11e3093f06b9f8a9284ef28d89ac3a155
11. 0x27552701eb5162e9111d06653c360295d04e5cdfe261fe843f9c0fb27ab44c3b
12. 0x9d52e830c7a3480876eca1592c3b5c4a56ee3a8c6fdd4e37c57710b7654e36c7
13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae