Evidence row 56448

Observed 26 Oct 2026, 14:37 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://pjm-nowcast-production.up.railway.app/v1/nowcast/history
Recorded: 26 Oct 2026, 14:37 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: e6403c2401b51a506f22ab201d3cc27bc436a3211a67d6c211d638cd27d5815d
Leaf: 0xf9e8f632dcd10f6812f59c1a6eac2e2f6f99cfae0df2e263c3bf9040a35559b8

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pjm-nowcast-production.up.railway.app/v1/nowcast/history"
    ]
  ],
  "name": "pjm-nowcast",
  "owner_address": "0x34cfb8bdbf16e4484b7da0ed31deed5771b16c8f",
  "raw": {
    "accepts": [
      {
        "amount": "100000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "100000",
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x34cfb8bdbf16e4484b7da0ed31deed5771b16c8f",
        "price": "$0.10",
        "scheme": "exact"
      },
      {
        "amount": "100000",
        "asset": "USDC",
        "maxAmountRequired": "100000",
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DCi9X5mmacNGLeJvCw9fdWgX3G8V4QquDn4EuXATkcYr",
        "price": "$0.10",
        "scheme": "exact"
      }
    ],
    "description": "1–72h descriptive history of RTO LMP, zonal spreads, and RTO load.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "windowHours": 24
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "ageSeconds": 120,
              "asOf": "2026-10-09T18:00:00-04:00",
              "resolution": "native",
              "rtoLmp": {
                "last": 41,
                "n": 48,
                "points": [
                  {
                    "t": "2026-10-09T17:00:00-04:00",
                    "value": 40
                  }
                ],
                "unit": "USD/MWh"
              },
              "windowHours": 24
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "families": {
                      "items": {
                        "enum": [
                          "rto_lmp",
                          "zonal_spread",
                          "rto_load"
                        ],
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "windowHours": {
                      "description": "Trailing window in hours. Default 24. L2 max 72.",
                      "maximum": 72,
                      "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": "2026-10-26T05:48:07.469Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T05:48:07.287Z"
    },
    "resource": "https://pjm-nowcast-production.up.railway.app/v1/nowcast/history",
    "serviceName": "pjm-nowcast",
    "tags": [
      "pjm",
      "nowcast",
      "history",
      "load",
      "spread"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "1–72h descriptive history of RTO LMP, zonal spreads, and RTO load."
}

What the leaf hashes

{"body":"e6403c2401b51a506f22ab201d3cc27bc436a3211a67d6c211d638cd27d5815d","id":56448,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025439959574,"prev":null,"subject":"x402_bazaar:https://pjm-nowcast-production.up.railway.app/v1/nowcast/history","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).

0xf9e9b7858a14c19fb6a95ed74b2c3e78a197df47ea290c86bebe7adb57c246e4
0x2be29fc05d49ead9d35d6e16a852c07984044d34bbcb78ea31ffc9621b460f37
0xafd89f536b2cd746ab12f043f4c2f138f0b035e11a5511ba9f01714fe529cbed
0x08e0b54f31770afad890ca59ff638dd30d2d6bc894c39fa644c675d0971dbf1f
0x83ac338326bb44631470a428615231c3682d2e7ba231b7aac813f5be19a630ce
0xbb22a3fca9dbdbdd500116d90d614797cc771ec625af8f643b54c10a4cec6865
0x2190b7e61a9225b7c0af1545e03797f0d6bfa12555b1011e57c96ecb4946a745
0x1c93746813c075e20c690da1843710b01dc821d251a3a9f61aa35cfe49f9e076
0xde9460f38251cf9d9321dae92e4ed8994dca62fca9e7eede64bf8c45ee8d5b1e
0x539ff7502919607fcda1d67de64d7acfca10d00be2f44b1ae5c38d6d4d122763
0xacf2bf89327756cda11b6915c35395a33fba4f7cdd91adfd8c5f45018f6ddfe8
0x08d20884523152a869ac5da32efc7de7b28316f6e9c2a28242f5ea9da742852f
0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

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

How to check it · This row as JSON