Compare State Estimators

Compare these bounded estimator outputs against the supplied reference and objective rules.

RQM-operated service.

Version: 1.0.0 · Registry observed: 2026-08-23T20:01:22.843Z · current

Supported Relay purchase route; check current admission before paying
RQM-operated service

Price and connection

0.010000 USD per request, provider price. Supported Relay purchases add max(0.002 USDC, 5% of provider price). Your fresh quote supplies the exact total.

Authentication: x402 payment for purchases; discovery is free. Never paste keys into this website.

Provider documentation →

View example and get a quote

Inputs and outputs

Input contract

{
  "$defs": {
    "EstimatorOutput": {
      "additionalProperties": false,
      "properties": {
        "estimator_id": {
          "pattern": "^[A-Za-z0-9._-]{1,64}$",
          "title": "Estimator Id",
          "type": "string"
        },
        "samples": {
          "items": {
            "$ref": "#/$defs/TimedVector"
          },
          "maxItems": 4096,
          "minItems": 2,
          "title": "Samples",
          "type": "array"
        }
      },
      "required": [
        "estimator_id",
        "samples"
      ],
      "title": "EstimatorOutput",
      "type": "object"
    },
    "MetricRule": {
      "additionalProperties": false,
      "properties": {
        "metric": {
          "enum": [
            "rmse",
            "maximum_absolute_error",
            "mean_absolute_error"
          ],
          "title": "Metric",
          "type": "string"
        },
        "maximum": {
          "maximum": 1000000000000,
          "minimum": 0,
          "title": "Maximum",
          "type": "number"
        }
      },
      "required": [
        "metric",
        "maximum"
      ],
      "title": "MetricRule",
      "type": "object"
    },
    "TimedVector": {
      "additionalProperties": false,
      "properties": {
        "timestamp_s": {
          "maximum": 86400,
          "minimum": 0,
          "title": "Timestamp S",
          "type": "number"
        },
        "values": {
          "items": {
            "type": "number"
          },
          "maxItems": 12,
          "minItems": 1,
          "title": "Values",
          "type": "array"
        }
      },
      "required": [
        "timestamp_s",
        "values"
      ],
      "title": "TimedVector",
      "type": "object"
    }
  },
  "additionalProperties": false,
  "properties": {
    "reference": {
      "items": {
        "$ref": "#/$defs/TimedVector"
      },
      "maxItems": 4096,
      "minItems": 2,
      "title": "Reference",
      "type": "array"
    },
    "estimators": {
      "items": {
        "$ref": "#/$defs/EstimatorOutput"
      },
      "maxItems": 8,
      "minItems": 2,
      "title": "Estimators",
      "type": "array"
    },
    "rules": {
      "items": {
        "$ref": "#/$defs/MetricRule"
      },
      "maxItems": 3,
      "minItems": 1,
      "title": "Rules",
      "type": "array"
    }
  },
  "required": [
    "reference",
    "estimators",
    "rules"
  ],
  "title": "EstimatorComparisonRequest",
  "type": "object"
}

Output contract

{
  "$defs": {
    "EstimatorScore": {
      "additionalProperties": false,
      "properties": {
        "estimator_id": {
          "title": "Estimator Id",
          "type": "string"
        },
        "metrics": {
          "additionalProperties": {
            "type": "number"
          },
          "propertyNames": {
            "enum": [
              "rmse",
              "maximum_absolute_error",
              "mean_absolute_error"
            ]
          },
          "title": "Metrics",
          "type": "object"
        },
        "evaluations": {
          "items": {
            "$ref": "#/$defs/RuleEvaluation"
          },
          "title": "Evaluations",
          "type": "array"
        },
        "accepted": {
          "title": "Accepted",
          "type": "boolean"
        }
      },
      "required": [
        "estimator_id",
        "metrics",
        "evaluations",
        "accepted"
      ],
      "title": "EstimatorScore",
      "type": "object"
    },
    "RuleEvaluation": {
      "additionalProperties": false,
      "properties": {
        "metric": {
          "enum": [
            "rmse",
            "maximum_absolute_error",
            "mean_absolute_error"
          ],
          "title": "Metric",
          "type": "string"
        },
        "measured": {
          "title": "Measured",
          "type": "number"
        },
        "maximum": {
          "title": "Maximum",
          "type": "number"
        },
        "passed": {
          "title": "Passed",
          "type": "boolean"
        }
      },
      "required": [
        "metric",
        "measured",
        "maximum",
        "passed"
      ],
      "title": "RuleEvaluation",
      "type": "object"
    }
  },
  "additionalProperties": false,
  "properties": {
    "verdict": {
      "enum": [
        "selection_available",
        "no_estimator_accepted"
      ],
      "title": "Verdict",
      "type": "string"
    },
    "selected_estimator_id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Selected Estimator Id"
    },
    "scores": {
      "items": {
        "$ref": "#/$defs/EstimatorScore"
      },
      "title": "Scores",
      "type": "array"
    },
    "result_digest": {
      "pattern": "^[a-f0-9]{64}$",
      "title": "Result Digest",
      "type": "string"
    }
  },
  "required": [
    "verdict",
    "selected_estimator_id",
    "scores",
    "result_digest"
  ],
  "title": "EstimatorComparisonResult",
  "type": "object"
}

Registry source · Buyer instructions and recovery · Public support