Fact Statement

A description of the types/properties relevant to a fact-statement.json.

Orcfax utilizes the following Schema.org types and properties in its Fact Statement 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
Claim	used to represent a specific, factually-oriented claim.
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.
ExchangeRateSpecification	A structured value representing exchange rate.
Organization	An [entity] such as a school, NGO, corporation, club, etc.
UnitPriceSpecification	The price asked for a given offer by the respective organization or person.

Schema.org Properties

Property	Type	Schema.org description	Orcfax definition
about	Claim	The subject matter of the content.
appearance	Claim	Indicates an occurrence of a Claim in some CreativeWork.
claimInterpreter	Claim	Used to indicate a claim contained, implied or refined from the content of a MediaObject.	An entity that has derived a Claim, implied or refined from, the content of one or more MediaObjects.
creator	CreativeWork	The creator or author of this CreativeWork.
currency	ExchangeRateSpecification	The [medium] in which [a] monetary amount is expressed.
currentExchangeRate	ExchangeRateSpecification	The current price of a currency.	The current value of the quote currency against a base currency.
dateCreated	Claim	The date on which the CreativeWork was created or the item was added to a DataFeed.
description	Claim	A description of the item.
identifier	Claim, CreativeWork	Used to represent any kind of identifier for any kind of Thing, such as ISBNs, GTIN codes, UUIDs etc.
isBasedOn	Claim	A resource from which this work is derived or from which it is a modification or adaptation.
license	CreativeWork	A license document that applies to this content, typically indicated by URL.
name	CreativeWork, Organization	The name of the item.
price	UnitPriceSpecification	The offer price of a product.	The stated cost of a thing.
priceCurrency	UnitPriceSpecification	The currency of the price.	The currency in which the price is expressed.
text	Claim	The textual content of this CreativeWork.
url	Organization	The uniform resource locator of the item.

Fact Statement example

{
    "@context": "https://schema.org",
    "type": "Claim",
    "description": "ADA price in USD",
    "identifier": "urn:orcfax:70722c2b-8905-47a1-8be3-5032290a44b9",
    "dateCreated": "2024-08-28T16:20:35Z",
    "text": "The price of 1 ADA at 2024-08-28T16:20:35Z is 0.342465 USD",
    "about": {
      "@type": "ExchangeRateSpecification",
      "currency": "ADA",
      "currentExchangeRate": {
        "@type": "UnitPriceSpecification",
        "price": 0.342465,
        "priceCurrency": "USD"
      }
    },
    "claimInterpreter": {
      "@type": "Organization",
      "name": "Orcfax",
      "url": "https://orcfax.io/"
    },
    "appearance": [
      "message-ADA-USD-bitstamp.tick_generic_jq.0.4.0-rc.4.b637b854f875a71de2ce18a57a8e576cff1d468e-2024-08-28T16-20-26Z.json",
      "message-ADA-USD-coinbase.tick_generic_jq.0.4.0-rc.4.b637b854f875a71de2ce18a57a8e576cff1d468e-2024-08-28T16-20-20Z.json",
      "message-ADA-USD-kraken.tick_generic_jq.0.4.0-rc.4.b637b854f875a71de2ce18a57a8e576cff1d468e-2024-08-28T16-20-26Z.json",
      "message-ADA-USD-kucoin_prices_simple.tick_generic_jq.0.4.0-rc.4.b637b854f875a71de2ce18a57a8e576cff1d468e-2024-08-28T16-20-26Z.json",
      "message-ADA-USD-bitfinex_simple.tick_generic_jq.0.4.0-rc.4.b637b854f875a71de2ce18a57a8e576cff1d468e-2024-08-28T16-20-26Z.json"
    ],
    "isBasedOn": {
      "@type": "CreativeWork",
      "name": "validation-ADA-USD-2024-08-28T16-20-35Z.json",
      "creator": "Orcfax Validator Node: 1.0.0rc23",
      "identifier": "urn:orcfax:11ceadf4-69d6-4b96-9401-c0a1e7e5d3eb",
      "license": "https://creativecommons.org/licenses/by/4.0/"
    }
  }

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