Evidence row 56444

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/spreads
Recorded: 26 Oct 2026, 14:37 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 79e270f3ea01a8cfba289c501f5caf7e9ed2515413fa2dc003e4bb3e8d72565e
Leaf: 0x4c1113158e4695da6990e35e5ba0d7619e8bf7e4d6f943afdfd53532d5c3fe19

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pjm-nowcast-production.up.railway.app/v1/nowcast/spreads"
    ]
  ],
  "name": "pjm-nowcast",
  "owner_address": "0x34cfb8bdbf16e4484b7da0ed31deed5771b16c8f",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "20000",
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x34cfb8bdbf16e4484b7da0ed31deed5771b16c8f",
        "price": "$0.02",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "USDC",
        "maxAmountRequired": "20000",
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DCi9X5mmacNGLeJvCw9fdWgX3G8V4QquDn4EuXATkcYr",
        "price": "$0.02",
        "scheme": "exact"
      }
    ],
    "description": "Zone-level LMP spread table for the latest print. No history dump.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {},
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "ageSeconds": 120,
              "asOf": "2026-10-09T18:00:00-04:00",
              "lastP05": 41,
              "lastP95": 46.1,
              "lastSpread": 5.1,
              "unit": "USD/MWh",
              "zones": {
                "AECO": 42,
                "BGE": 46,
                "PEPCO": 44
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {},
                  "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": "Zone-level LMP spread table for the latest print. No history dump.",
                  "properties": {
                    "ageSeconds": {
                      "type": "integer"
                    },
                    "asOf": {
                      "type": "string"
                    },
                    "lastP05": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "lastP95": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "lastSpread": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "stale": {
                      "type": "boolean"
                    },
                    "unit": {
                      "type": "string"
                    },
                    "zones": {
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T05:48:13.779Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T05:48:13.599Z"
    },
    "resource": "https://pjm-nowcast-production.up.railway.app/v1/nowcast/spreads",
    "serviceName": "pjm-nowcast",
    "tags": [
      "pjm",
      "nowcast",
      "spread",
      "zonal",
      "lmp"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Zone-level LMP spread table for the latest print. No history dump."
}

What the leaf hashes

{"body":"79e270f3ea01a8cfba289c501f5caf7e9ed2515413fa2dc003e4bb3e8d72565e","id":56444,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025439955412,"prev":null,"subject":"x402_bazaar:https://pjm-nowcast-production.up.railway.app/v1/nowcast/spreads","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).

0x4c11ed2708e6271da84b5d12876f13c08f952b0e47a9cfbb5fb4883ddc452d65
0x7fd6e73e44c8b23f4b4c2c015ddd26ffd05e4b7d4fb254e77b5a51adbee4adfb
0x3824a2ff5268dd67935f69f1b0afd744584c0e0b42b2a97b664e3e1be2a4abad
0x8e8e11773d8338fd0b5dc233163721c30e22d26dad987597ce3b8d66980c849d
0x9cd1885fcec0c5c64b4eb89283cca3c020d7d100c4499e29ed406e817255ce64
0x908b5bfde4bf30604e1a3d54384b3b2691b60dedb313b0678799d481e4f81f43
0x240b7bac2f209ba409d3617439f61c62f92cc91eed9e5538db118ef67819e9b5
0xd9744551e762f1eebb6d7a9fea801147c986056d3d58973883352de8f995d581
0x43fb894317b82ea814d4ab3f7f36fe19b7af25dc52af20c231f002838f5753f9
0x5e5595f403ae2f6e6bc3afc146009e77398a17f4b51a39a54f14d6f8a2b599cb
0x8e1dce5acc3a34df8e5fee91635037c0b87740a313eb455495b8fa04b41070e7
0x67ae8949b58cb7b0dd4cfa0f9aeeee715e0ae6b87fef0ba46483bbf280004c53
0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

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

How to check it · This row as JSON