Validation

A description of the types/properties relevant to a validation.json.

Orcfax utilizes the following Schema.org types and properties in its Validation records. The description provided by Schema.org follows each; if Orcfax maintains a more nuanced understanding, an additional definition will be provided. If the term appears in its own definition, it will be replaced when possible with a [synonym] in order to aid understanding.

Schema.org Types

Type	Schema.org description	Orcfax description
CreativeWork	The most generic kind of creative work, including books, movies, photographs, software programs, etc.	A generic term to encompass a broad spectrum of creative works, including text, images, software programs, their outputs, etc.
Event	An [entity] such as a school, NGO, corporation, club, etc.
MediaObject	An object such as an image, video, audio, or text object embedded in a web page or a downloadable dataset.
Observation	Used to specify observations about an entity at a particular time	Information pertaining to a subject resulting from monitoring.
Organization	An [entity] such as a school, NGO, corporation, club, etc.
PostalAddress	The price asked for a given offer by the respective organization or person.
PropertyValue	Used to represent a feature of a product or place.
StatisticalVariable	represents any type of statistical metric that can be measured at a place and time.
TextObject	A text file. The text can be unformatted or contain markup, html, etc.

Schema.org Properties

Property	Type	Schema.org description	Orcfax definition
about	Event	The subject matter of the content.
additionalType	MediaObject	Used to add more specific types from external vocabularies when a schema.org equivalent is not available.
address	Organization	Physical address of the item.	The physical address of the entity which has executed the validation process.
addressLocality	PostalAddress	The locality in which the street address is, and which is in the region.
addressRegion	PostalAddress	The region in which the locality is, and which is in the country.
comment	TextObject	Comments, typically from users.	Used to give users additional context regarding the record.
contributor	MediaObject	A secondary contributor to the CreativeWork or Event.	The entity which has executed the validation process.
description	CreativeWork, Event	A description of the item.
geo	PostalAddress	The geo coordinates of the place.	The geographical coordinates of the place where the validation process was executed.
hasPart	CreativeWork	Indicates an item or CreativeWork that is part of this item, or CreativeWork.
identifier	MediaObject	Used to represent any kind of identifier for any kind of Thing, such as ISBNs, GTIN codes, UUIDs etc.
isBasedOn	MediaObject	A resource from which this work is derived or from which it is a modification or adaptation.
locationCreated	Organization	The location where the CreativeWork was created.
measurementMethod	Observation, StatisticalVariable	A subproperty of measurementTechnique that can be used for specifying specific methods.
measurementTechnique	StatisticalVariable	A technique, method or technology used in an Observation, StatisticalVariable or Dataset, corresponding to the method used for measuring the corresponding variable(s).
name	MediaObject, Organization, PropertyValue	The name of the item.
recordedIn	Event	The CreativeWork that captured all or part of this Event.
sha256	TextObject	The SHA-2 SHA256 hash of the content of the item
startDate	Event	The start date and time of the item.
text	CreativeWork	The textual content of this CreativeWork.
value	Observation, PropertyValue	The value of a QuantitativeValue (including Observation) or property value.
valueReference	Observation	A secondary value that provides additional information on the original value.
variableMeasured	StatisticalVariable	The variable(s) measured in some dataset, either described as text or more explicitly as a StatisticalVariable.

Validation example

{
    "@context": "https://schema.org",
    "type": "MediaObject",
    "identifier": "urn:orcfax:11ceadf4-69d6-4b96-9401-c0a1e7e5d3eb",
    "isBasedOn": {
      "@type": "MediaObject",
      "name": "the raw information sent to an Orcfax validator by an Orcfax node",
      "identifier": "urn:orcfax:node:2a531a7e-4961-4895-985d-1fa9aaaf50a2"
    },
    "contributor": {
      "@type": "Organization",
      "name": "AS14061 DigitalOcean, LLC",
      "locationCreated": {
        "address": {
          "@type": "PostalAddress",
          "addressLocality": "London",
          "addressRegion": "England, GB,",
          "geo": "51.5085,-0.1257"
        }
      }
    },
    "additionalType": [
      {
        "@type": "Event",
        "description": "successful content signature generation for Orcfax node data",
        "startDate": "2024-08-28T16:20:35Z",
        "recordedIn": {
          "@type": "CreativeWork",
          "description": {
            "@type": "TextObject",
            "comment": "an Orcfax content signature is a sha256 digest of a node's 'collected timestamp', 'data-points' in-order and the 'node identifier' (uuid)",
            "sha256": "33ac6c61317e8909871a759e025c82f8155a1739d7e4128f9231e527e1584572"
          },
          "hasPart": [
            {
              "@type": "CreativeWork",
              "description": "collecting timestamp",
              "text": "2024-08-28T16:20:26Z"
            },
            {
              "@type": "CreativeWork",
              "description": "data points for ADA-USD",
              "text": [
                "0.34541",
                "0.3423",
                "0.342465",
                "0.3420342",
                "0.34335"
              ]
            },
            {
              "@type": "CreativeWork",
              "description": "node identifier (uuid)",
              "text": "2a531a7e-4961-4895-985d-1fa9aaaf50a2"
            }
          ]
        }
      },
      {
        "@type": "Event",
        "description": "selection of median value from collected node data",
        "startDate": "2024-08-28T16:20:35Z",
        "about": {
          "@type": "StatisticalVariable",
          "measurementMethod": "median calculation of a minimum of three data sources from the selected collector node",
          "measurementTechnique": [
            {
              "@type": "PropertyValue",
              "name": "SoftwareApplication",
              "value": "Python 3.11.6 (main, Apr 10 2024, 17:26:07) [GCC 13.2.0] on Linux-6.5.0-44-generic-x86_64-with-glibc2.38"
            },
            {
              "@type": "PropertyValue",
              "name": "SoftwarePackage",
              "value": "statistics"
            }
          ],
          "variableMeasured": {
            "@type": "Observation",
            "measurementMethod": "median value",
            "value": 0.342465,
            "valueReference": [
              "0.34541",
              "0.3423",
              "0.342465",
              "0.3420342",
              "0.34335"
            ]
          }
        }
      }
    ]
  }

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