addrbookFor publishers
← The evidence ledger

Evidence row 2201951

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://electrical-calc.x402tookit.com/power-factor-correction
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b4ace4a330ca02cbe81a238ed4439c2947245ad41dd542deeb5e440d75f3ea4b
Leaf
0x47be51118193588d2f3529efd134261f2a73b5214d65c7b37e9cdeefe9a600c0

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://electrical-calc.x402tookit.com/power-factor-correction"
    ]
  ],
  "name": "Electrical Calculators",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Capacitor kVAR needed to raise power factor from one value to another, with new kVA and current and capacitance per phase.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "frequencyHz": 50,
              "kw": 100,
              "pfFrom": 0.8,
              "pfTo": 0.95,
              "voltageV": 400
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-21T06:22:28.735Z",
              "capacitorKvar": 42.13159,
              "currentAfterA": 151.9343,
              "currentBeforeA": 180.422,
              "degraded": false,
              "deltaCapacitancePerPhaseMicroF": 279.3938,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "frequencyHz": 50,
              "kvaAfter": 105.2632,
              "kvaBefore": 125,
              "kvaReduction": 19.73684,
              "kvaReductionPct": 15.7895,
              "kvarAfter": 32.86841,
              "kvarBefore": 75,
              "kw": 100,
              "notChecked": [
                "harmonics and resonance with the supply (detuning reactors may be needed)",
                "switching steps and over-correction at light load",
                "…1 more"
              ],
              "reasons": [
                "Qc = P x (tan(acos PF1) - tan(acos PF2)).",
                "Reactive power drops from 75 to 32.868 kVAR.",
                "…1 more"
              ],
              "source": "computed locally (Qc = P (tan phi1 - tan phi2); C = Qc / (3 omega V^2) delta)",
              "summary": "Raising 100 kW from PF 0.8 to 0.95 needs about 42.132 kVAR of capacitors; apparent power falls from 125 to 105.26 kVA.",
              "verdict": "COMPUTED",
              "voltageV": 400,
              "wyeCapacitancePerPhaseMicroF": 838.1813
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "frequencyHz": {
                      "description": "Supply frequency in hertz (default 60)",
                      "type": "number"
                    },
                    "kw": {
                      "description": "Real load power in kilowatts",
                      "type": "number"
                    },
                    "pfFrom": {
                      "description": "Existing (lagging) power factor, above 0 up to 1",
                      "type": "number"
                    },
                    "pfTo": {
                      "description": "Target power factor, above pfFrom, up to 1",
                      "type": "number"
                    },
                    "voltageV": {
                      "description": "Line-to-line voltage in volts, for current and capacitance (three phase)",
                      "type": "number"
                    }
                  },
                  "required": [
                    "kw",
                    "pfFrom",
                    "pfTo"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "capacitorKvar": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "currentAfterA": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "currentBeforeA": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "deltaCapacitancePerPhaseMicroF": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "frequencyHz": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "kvaAfter": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "kvaBefore": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "kvaReduction": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "kvaReductionPct": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "kvarAfter": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "kvarBefore": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "kw": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "voltageV": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "wyeCapacitancePerPhaseMicroF": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:51:16.634Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T22:51:16.327Z"
    },
    "resource": "https://electrical-calc.x402tookit.com/power-factor-correction",
    "serviceName": "Electrical Calculators",
    "tags": [
      "power-factor",
      "capacitor",
      "kvar",
      "electrical"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Capacitor kVAR needed to raise power factor from one value to another, with new kVA and current and capacitance per phase."
}

What the leaf hashes

{"body":"b4ace4a330ca02cbe81a238ed4439c2947245ad41dd542deeb5e440d75f3ea4b","id":2201951,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646810985048,"prev":null,"subject":"x402_bazaar:https://electrical-calc.x402tookit.com/power-factor-correction","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x47be5e430dc2790d7ad63b4fe0388ae4c162c7fbb130db89e216527e4a13a5c3
  2. 0x28da73ac006e741c7a330d0df719a150491c84241c1e106c0d6c69a3dd4b9115
  3. 0xba72f24a5041d17995430cb766c4539f27544ec0bbfdc1dbdb787b40fc138278
  4. 0x953efb90a34fe3136d1bc32d9a91fb2c27a4311d033e3d493534752b6654fbcf
  5. 0x6c8d9eab80b37538d7fa57fec1968bc14bc4a7640d7e03d4ac4b496dba3e7912
  6. 0x6b2351b1019950934beefeadb7f0e3d962af47a2d6e5e2e835308494c4f04d9a
  7. 0x0defcbd1d48baf16b3778db490181de31af5e318d2bf42081cee837df47876d9
  8. 0xeafb94283250a63c4b203f94299b5cbc33b331b8d71f088e28f42fdd4864e4ba
  9. 0x9242b166bb4a1402732dac297cd20375acd3d3122f4fbe7a41a6b2b82869e2ce
  10. 0xf5f11c0fdd4cc527fc3dbca24a3a054d7be30119f6e4ef375d7797637950dcbd
  11. 0x63566cd121d90542180cf1c7283cb6722a9f6a094b6764309524ebcaa5df7233
  12. 0xcb35c8e9efae833d2a997b356d4d3b000b0f5841c3b9202c985c07819fe5c916
  13. 0xa3336de478ff1096fe3a4c0522656d3a2923e8e721fe01f8fd137ddc7734c22e
  14. 0xdc58bc56b35577036d6185abcf0d4c91a45df10bd65f767505c1d43fcecde566
  15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
  16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
  17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON