Evidence row 279284

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pjm-nowcast-production.up.railway.app/v1/nowcast/latest"
    ]
  ],
  "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": "$0.02",
        "scheme": "exact"
      }
    ],
    "description": "Latest descriptive snapshot of RTO LMP, zonal spreads, and RTO load.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {},
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "ageSeconds": 120,
              "asOf": "2026-10-09T18:00:00-04:00",
              "price_vol": 2.5,
              "price_vol_missing": false,
              "rtoLmp": {
                "last": 41,
                "mean": 38.2,
                "unit": "USD/MWh"
              },
              "rtoLoad": {
                "last": 90000,
                "unit": "MW"
              },
              "stale": false,
              "zonalSpread": {
                "lastSpread": 5.1,
                "unit": "USD/MWh",
                "zones": {
                  "BGE": 46
                }
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$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"
                    }
                  },
                  "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": "Descriptive snapshot of the last scrape. Not a forecast.",
                  "properties": {
                    "ageSeconds": {
                      "type": "integer"
                    },
                    "asOf": {
                      "type": "string"
                    },
                    "price_vol": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "price_vol_missing": {
                      "type": "boolean"
                    },
                    "rtoLmp": {
                      "type": "object"
                    },
                    "rtoLoad": {
                      "type": "object"
                    },
                    "stale": {
                      "type": "boolean"
                    },
                    "zonalSpread": {
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T13:00:37.079Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T13:00:36.862Z"
    },
    "resource": "https://pjm-nowcast-production.up.railway.app/v1/nowcast/latest",
    "serviceName": "pjm-nowcast",
    "tags": [
      "pjm",
      "nowcast",
      "load",
      "spread",
      "lmp"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Latest descriptive snapshot of RTO LMP, zonal spreads, and RTO load."
}

What the leaf hashes

{"body":"888f25808f29204522d905eadc22850201715b7d895444bd7d4f9ca65eeed178","id":279284,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042186539943,"prev":56103,"subject":"x402_bazaar:https://pjm-nowcast-production.up.railway.app/v1/nowcast/latest","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. 0xb707710a04967454dedc66444ba694c43a60dabc03026488b55f2a940f5b9288
2. 0xd76b264c5e7e3db9680ad78f19012c0589dddbf5a125032f56532a9e8a17bfa1
3. 0x19a1dd65f8f5ad4af4edeeb2363f3e5c1761f3555eebc8e4bf3ef8ca733d4107
4. 0x0f9a9b08a9661a9bee53f7c92c338bad747e9742e11404114866a9118d64b0aa
5. 0xb9382804ed7c4e3eecec711a9204e9fb377772ef54e02d2918c4510522a33911
6. 0x28f1b494ec1dd07116ff709f43b1b0b290d3bb8955c8eabad182f28d0daaefdd
7. 0x3f3c1c793b4ab3595c112844eb319e76255283a6094b06a74f2c4a701071e699
8. 0x7813e9688c1958a5059023a170f9557128e556176bcca3b2d4b755b9dc59e65c
9. 0x203031853a23761646df08437e349b7cd9eb223cae4d3fc2fc000cd29f45f113
10. 0x3c953fc01471f64b47ceca06a1ce81bf4769d6cdb848dfcd2546248b8ad8a749
11. 0x552b4fce1ed8f44d691c0a47a6af5ee62ad904edb2ebdc55a5ed71fca6e7564f
12. 0x17930d484cab3f6850715eb0b77dd189c3c06f975cf9def12285fde3eb9b4234
13. 0x0d86419ca1dd0b62fd8b22ea2e8c74d441312cec3116a467bea429b43e026565
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae