Evidence row 56099

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": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T05:48:09.281Z"
    },
    "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":"d03849c178274deb91a0b2d649f03a4baafc4b0ba79f11e4caa654b7434f91e3","id":56099,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025436515336,"prev":null,"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. 0xb9cd134e4f16d31bbf51b9b747ef6f50f5d0119337e5e4759eca9ab6639414af
2. 0x727d6939c3a9059502e431410b306d8c5ec0eb7485460b00036104e465cfb6be
3. 0x07b936cf08bf92aa522d36e5388482ecfd91680152ff40eff85eeb5f8a177376
4. 0xad011251aa892a225a84207aa752e71f10404cb5a50ebbbdcc8296458414bc65
5. 0xa034f9446ad560315bdf73fa696883ce4e2ef9724f62ac74e4cb7db85da59c44
6. 0x386cecb477bd0e5f39630c130fa82072623f6fdc19e45bdcfba6f61db70dc68b
7. 0xee81277d995a9e94553ec8129e995ad067b3cfeacea9550d8e54d63a117e48d7
8. 0xdbb530313580f4a42c72770c8156ad7cf6b27c1919b689db0e04c0131f885ed3
9. 0x789967d859513eeca8cb1b249636cadc2a2245903ca33d339e7898dfae1b1c97
10. 0x818cc59d34ccfe2393f92012bc86601afd9f288f2f960767521cbd3053a3333c
11. 0xd0a8fcd7581320df765e293ac18ecdb0c84895304e75682f6c130e9b5c6b0ed8
12. 0x1a61f9ab4a9304db8146c466be341271a345718ebf06b718e0f0dd9f347d2fbd
13. 0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae