Demiton · Schema

sor_verification contract v1

A client's schedule of rates checked against the tender drawings by independent measurement.

CompanyConstructionCivil EngineeringProject ManagementComplianceMCPArtificial IntelligenceOpen Contracting

Properties

Name	Type	Description
status	string	Overall verification outcome for the opportunity
summary	string	One-sentence human-readable statement of the result; also the fact's `content`
findings	array	Discrepancies, warnings and synthesized advisories
line_items	array	The schedule rows verified
agent_run_id	number	Provenance: which AgentRun produced the fact
review_state	string	Human-review marker; the fact is agent-proposed, not reconciled
opportunity_ref	string	The opportunity number the verification is anchored to
pricing_document	object	The baseline document the quantities were read from
baseline_provenance	string	Who issued the parsed baseline; `pca_internal` is a trust caveat

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://docs.demiton.io/registers/sor_verification/v1.json",
  "title": "sor_verification contract v1",
  "type": "object",
  "required": [
    "agent_run_id",
    "findings",
    "line_items",
    "opportunity_ref",
    "pricing_document",
    "review_state",
    "status",
    "summary"
  ],
  "properties": {
    "status": {
      "type": "string",
      "description": "Overall verification outcome for the opportunity",
      "x-demiton-requiredness": "required"
    },
    "summary": {
      "type": "string",
      "description": "One-sentence human-readable statement of the result; also the fact's `content`",
      "x-demiton-requiredness": "required"
    },
    "findings": {
      "type": "array",
      "description": "Discrepancies, warnings and synthesized advisories",
      "x-demiton-requiredness": "required",
      "items": {
        "type": "object",
        "properties": {
          "title": {
            "type": "string",
            "description": "Finding title",
            "x-demiton-requiredness": "required"
          },
          "detail": {
            "type": "string",
            "description": "Finding detail",
            "x-demiton-requiredness": "required"
          },
          "severity": {
            "type": "string",
            "description": "Finding severity",
            "x-demiton-requiredness": "required"
          }
        },
        "required": [
          "detail",
          "severity",
          "title"
        ]
      }
    },
    "line_items": {
      "type": "array",
      "description": "The schedule rows verified",
      "x-demiton-requiredness": "required",
      "items": {
        "type": "object",
        "properties": {
          "uom": {
            "type": "string",
            "description": "Unit of measure that makes the quantity meaningful and comparable",
            "x-demiton-requiredness": "required"
          },
          "sor_qty": {
            "type": "number",
            "description": "The client's claimed baseline quantity",
            "x-demiton-requiredness": "required",
            "x-demiton-unit": "row `uom`"
          },
          "verdict": {
            "type": "string",
            "description": "Per-row outcome",
            "x-demiton-requiredness": "required"
          },
          "item_ref": {
            "type": "string",
            "description": "Schedule item identifier",
            "x-demiton-requiredness": "required"
          },
          "derivations": {
            "type": "array",
            "description": "Each independent derivation for the row",
            "x-demiton-requiredness": "required",
            "items": {
              "type": "object",
              "properties": {
                "unit": {
                  "type": "string",
                  "description": "Unit of the derived value, matched against the row `uom`",
                  "x-demiton-requiredness": "required"
                },
                "value": {
                  "type": "number",
                  "description": "The derived quantity",
                  "x-demiton-requiredness": "required",
                  "x-demiton-unit": "derivation `unit`"
                },
                "method": {
                  "type": "string",
                  "description": "How the value was derived",
                  "x-demiton-requiredness": "required"
                },
                "caveats": {
                  "type": "array",
                  "description": "The measurement tool's own caveats, verbatim; a caveat qualifies a quantity and must not be lost",
                  "x-demiton-requiredness": "required"
                },
                "citation": {
                  "type": "string",
                  "description": "Where the derivation came from (document/page/cell)",
                  "x-demiton-requiredness": "required"
                },
                "confidence": {
                  "type": "string",
                  "description": "The measurement tool's own confidence, copied verbatim",
                  "x-demiton-requiredness": "required"
                },
                "methodology": {
                  "type": "string",
                  "description": "The tool's methodology text, verbatim; prose, not a schema constraint",
                  "x-demiton-requiredness": "optional"
                },
                "evidence_url": {
                  "type": "string",
                  "description": "Overlay evidence image produced by this run's tools",
                  "x-demiton-requiredness": "required"
                }
              },
              "required": [
                "caveats",
                "citation",
                "confidence",
                "evidence_url",
                "method",
                "unit",
                "value"
              ]
            }
          },
          "description": {
            "type": "string",
            "description": "Item description",
            "x-demiton-requiredness": "required"
          },
          "variance_pct": {
            "type": "number",
            "description": "Server-computed `(measured - claimed) / claimed`; server owns its absence",
            "x-demiton-requiredness": "required",
            "x-demiton-unit": "percent"
          },
          "verification_strength": {
            "type": "string",
            "description": "Server-computed independence of the corroboration — stops \"verified\" overclaiming",
            "x-demiton-requiredness": "required"
          }
        },
        "required": [
          "derivations",
          "description",
          "item_ref",
          "sor_qty",
          "uom",
          "variance_pct",
          "verdict",
          "verification_strength"
        ]
      }
    },
    "agent_run_id": {
      "type": "number",
      "description": "Provenance: which AgentRun produced the fact",
      "x-demiton-requiredness": "required"
    },
    "review_state": {
      "type": "string",
      "description": "Human-review marker; the fact is agent-proposed, not reconciled",
      "x-demiton-requiredness": "required"
    },
    "opportunity_ref": {
      "type": "string",
      "description": "The opportunity number the verification is anchored to",
      "x-demiton-requiredness": "required"
    },
    "pricing_document": {
      "type": "object",
      "description": "The baseline document the quantities were read from",
      "x-demiton-requiredness": "required"
    },
    "baseline_provenance": {
      "type": "string",
      "description": "Who issued the parsed baseline; `pca_internal` is a trust caveat",
      "x-demiton-requiredness": "optional"
    }
  },
  "x-demiton-register-type": "sor_verification",
  "x-demiton-contract-version": "1.0.2",
  "x-demiton-store": "tenant",
  "x-demiton-axes": [],
  "x-demiton-measures": [],
  "x-demiton-provenance": {
    "standards": [
      {
        "code": "AS 1726:2017",
        "title": "Geotechnical site investigations",
        "access": "paywalled_secondary",
        "region": "Australia",
        "edition": "2017",
        "checked_on": "2026-09-14"
      },
      {
        "code": "AS 5488.1:2022",
        "title": "Classification of Subsurface Utility Information (SUI)",
        "access": "paywalled_secondary",
        "region": "Australia",
        "edition": "2022 (supersedes 2019)",
        "checked_on": "2026-09-14"
      },
      {
        "code": "AS ISO 19650.1:2019 / AS ISO 19650.2:2019",
        "title": "Organization and digitization of information about buildings and civil engineering works - Part 1 concepts and principles (identical to ISO 19650-1:2018)",
        "access": "paywalled_secondary",
        "region": "Australia",
        "edition": "2019",
        "checked_on": "2026-09-14"
      },
      {
        "code": "AS ISO 19650.2:2019",
        "title": "Organization and digitization of information - Part 2 delivery phase of the assets (identical to ISO 19650-2:2018)",
        "access": "paywalled_secondary",
        "region": "Australia",
        "edition": "2019",
        "checked_on": "2026-09-14"
      },
      {
        "code": "ICMS 3",
        "title": "International Cost Management Standard",
        "access": "public_summary",
        "region": "International",
        "edition": "3rd edition (2021)",
        "checked_on": "2026-09-14"
      },
      {
        "code": "ISO 19650-1:2018 / ISO 19650-2:2018",
        "title": "Organization and digitization of information about buildings and civil engineering works, including BIM - Parts 1 and 2",
        "access": "paywalled_secondary",
        "region": "International",
        "edition": "2018",
        "checked_on": "2026-09-14"
      }
    ]
  },
  "description": "A client's schedule of rates checked against the tender drawings by independent measurement.",
  "x-demiton-contract-url": "https://docs.demiton.io/registers/sor_verification/",
  "x-demiton-register-catalog": "https://docs.demiton.io/concepts/register-catalog"
}

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