Lexicon Garden

org.hypercerts.context.measurement

Measurement data related to one or more records (e.g. activities, projects, etc.).

Repository @hypercerts.org did:plc:s4puetfspot742ai7y4otuel namespace authority
Details · record, key tid
Kindrecord
Record keytid
Authoritycontext.hypercerts.org
Indexed
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Record

record · key tid

Properties

comment

string

Short comment of this measurement, suitable for previews and list views. Rich text annotations may be provided via `commentFacets`.

  • maxLength: 3000
  • maxGraphemes: 300

commentFacets

array

Rich text annotations for `comment` (mentions, URLs, hashtags, etc).

itemsref
Reference

createdAt

requiredstring · datetime

Client-declared timestamp when this record was originally created

endDate

string · datetime

The end date and time when the measurement ended. For one-time measurements, this should equal the start date.

evidenceURI

array

URIs to related evidence or underlying data (e.g. org.hypercerts.claim.evidence records or raw datasets)

  • maxLength: 50
itemsstring · uri

locations

array

Optional geographic references related to where the measurement was taken. Each referenced record must conform with the app.certified.location lexicon.

  • maxLength: 100
itemsref
Reference

measurers

array

DIDs of the entities that performed this measurement

  • maxLength: 100
itemsref
Reference

methodType

string

Short identifier for the measurement methodology

  • maxLength: 30

methodURI

string · uri

URI to methodology documentation, standard protocol, or measurement procedure

metric

requiredstring

The metric being measured, e.g. forest area restored, number of users, etc.

  • maxLength: 500

signatures

ref

Optional cryptographic signatures attesting to this record's content.

Reference

startDate

string · datetime

The start date and time when the measurement began.

subjects

array

Strong references to the records this measurement refers to (e.g. activities, projects, or claims).

  • maxLength: 100
itemsref
Reference

unit

requiredstring

The unit of the measured value (e.g. kg CO₂e, hectares, %, index score).

  • maxLength: 50

value

requiredstring

The measured value as a numeric string (e.g. '1234.56')

  • maxLength: 500

Similar lexicons

semantic match

Lexicons whose schemas describe something close to this one. Check them before publishing a new one that overlaps.

  • org.hypercerts.context.evaluation

    record

    An evaluation of a hypercert record (e.g. an activity and its impact).

  • org.hypercerts.context.attachment

    record

    An attachment providing commentary, context, evidence, or documentary material related to a hypercert record (e.g. an activity, project, claim, or evaluation) or related to an account profile.