← Back to catalogue
Published

covering

vr.tr.covering · thing-covering

Enable an agent to recognise a natural covering, assess how it covers or envelops something, and judge whether observation, disturbance, removal or restoration is appropriate.

Thing Registry Physical world and living systems PHY.OBJ

Bundle → Layer → Finding → Questions Filled

6 bundles · 11 layers · 11 findings · 21 questions

Covering identity Establish which natural object is acting as a covering and what it covers.

Natural object boundary

Determine the candidate's origin and defensible extent as one object.

Candidate and origin

Record the candidate's observable boundaries and the evidence that it is natural, including uncertainty about aggregates or human modification.

  1. What bounded natural object is being identified as the covering, and at what observation scale? definition
  2. What observation or record supports its natural origin, and what human modification is known? provenance

Covered subject

Identify the subject and the physical relationship that makes this object its covering.

Physical covering relation

Specify what is overlain or enveloped and distinguish coverage from adjacency or incidental contact.

  1. Which object, surface or region does this covering overlie or envelop? definition
  2. Where does the covering end and the covered subject begin, including any inseparable interface? boundary
Coverage geometry Describe the extent, thickness and openings of the covering relative to its subject.

Extent and enclosure

Record how much of the subject is covered and from which directions.

Coverage footprint

Describe overlap or enclosure against an explicit reference surface and observation method.

  1. What proportion of the defined reference surface is covered, and how was that proportion established? measurement
  2. Does the covering overlie one side, surround several sides or fully envelop the subject, and which regions remain unobserved? boundary

Thickness and openings

Locate variations in covering depth and interruptions in continuity.

Local coverage variation

Record thickness variation and distinguish observed openings without presuming that every opening is damage.

  1. How does thickness vary across the covering, and which measurements are direct rather than inferred? measurement
  2. Where are gaps, pores or breaks, and what evidence distinguishes expected openings from newly exposed areas? boundary
Interface and exchange Describe how the covering contacts its subject and what can pass across it.

Contact and attachment

Characterise the interface and the dependence of covering and subject on their connection.

Attachment and separability

Record how the covering is held in place and the evidence concerning separation.

  1. Where is the covering loose, adherent, interlocked or structurally continuous with its subject? boundary
  2. What evidence indicates whether separation would tear the covering, injure the subject or disrupt their interface? action

Passage and effects

Assess specific exchanges or exposures associated with the covering.

Evidenced barrier behaviour

Record observed passage and effects separately from assumed protective functions.

  1. How much light, water, gas, heat or relevant particulate matter passes through the covering under specified conditions? measurement
  2. What observations support a claimed effect on the covered subject, and do they distinguish that effect from other causes? provenance
Coverage change Track formation, loss and movement that alter the covering relationship.

Formation and renewal

Record how this covering came to occupy its position and whether it is being renewed.

Coverage history

Distinguish observed formation or renewal from an origin inferred solely from appearance.

  1. What evidence explains how this object came to cover the subject? provenance
  2. What repeated observations show accumulation, growth, replacement or other renewal of coverage? measurement

Loss and displacement

Identify changes that uncover the subject or relocate the covering.

Changing exposure

Record thinning, fragmentation, detachment or displacement in terms of their effect on exposure.

  1. Which regions have become thinner, detached or uncovered between dated observations? measurement
  2. What evidence connects these changes to shedding, erosion, movement or another process? provenance
Covering intervention Support decisions about inspecting, retaining, disturbing or removing the covering.

Inspection access

Determine how to observe the covering or its concealed interface with acceptable disturbance.

Inspection method

Match an inspection method to the needed observation and the covering's continuity and attachment.

  1. Can the required observation use an existing opening or a method that leaves coverage intact? action
  2. If parting or sampling is necessary, which area can be disturbed and what evidence supports that choice? action

Alteration and follow-up

Evaluate changes to coverage and define observations needed after intervention.

Coverage action decision

Record the basis for retaining, repositioning or removing the covering, including uncertain consequences and recovery.

  1. Given attachment, observed effects and applicable permission constraints, which changes to coverage are justified? action
  2. After a change, what exposure, subject condition and re-coverage observations would determine whether further action is needed? action
Evidence and external alignment What the world already says about this thing, gathered so the model can be checked against it.

Reported evidence

Findings from the breadth pass, kept separate from the structural claims.

Kinds and varieties

Reported by the breadth pass; each item needs checking against its source before it becomes normative.

  1. Which of these kinds and varieties hold for the sense of covering this model covers, and on what evidence? provenance

Classifiers Filled

Family
Thing Registry
Category
Physical world and living systems
Entry kind
noun.object
Plane
PHY
Domain
PHY.OBJ
Tags
natural-object
Facets: substance
material
Facets: origin
natural
Facets: agency
inert
Facets: mobility
varies
Facets: scale
not-applicable
Facets: affordances
observable
Other names and narrower kinds
cuticula, hide, pelt, skin, plume, plumage, down, down feather, duck down, eiderdown, goose down, swan's down

What it is Filled

A covering is a natural material layer that forms over, around, or on the surface of another body and thereby conceals, protects, or bounds it.

In scope

  • The natural object identified as the covering and the evidence for that identification
  • The surface, object or region covered or enveloped
  • Coverage geometry, continuity, thickness and openings
  • Attachment, separability and interaction with the covered subject
  • Changes in coverage and constraints on disturbing it

Out of scope

  • Manufactured covers, containers, coatings and packaging
  • The complete anatomy, physiology or lifecycle of a covered organism
  • The composition and properties of a substance independent of its occurrence as a covering
  • The complete structure and condition of the covered object
  • Figurative covering, concealment or protection without a physical natural object
  • The process that produces a covering except where it explains its present state or likely change

Why it exists Filled

Enable an agent to recognise a natural covering, assess how it covers or envelops something, and judge whether observation, disturbance, removal or restoration is appropriate.

Distinguishing features Filled

  • An identifiable natural object physically overlies, surrounds or envelops an identifiable subject or region; proximity alone is insufficient.
  • The candidate has a defensible physical boundary at the stated observation scale; a substance name alone does not identify a covering.
  • The covering relationship can be described through overlap or enclosure, rather than inferred solely from a protective function.
  • Evidence distinguishes the candidate from an intentionally manufactured cover; ambiguous or modified examples require an explicit boundary decision.
  • The candidate can be distinguished from the covered subject at least anatomically or spatially, even if separation would damage either.

What robots and AI may and may not do Filled

Must not

  • Strip or damage the natural covering of a living plant or animal without need or permission.
  • Remove protective crusts or covers from protected ground or heritage surfaces.
  • Disturb a covering that seals in hazards, such as soil caps over contamination.

Only with a human decision

  • Removing a covering from a living organism, site or monument.

May

  • Describe a natural covering, such as bark, skin, shell or crust, and what it protects.
  • Report damage to a covering on things it is authorized to monitor.

Moral aspects Filled

  • Natural coverings protect living things; stripping them causes suffering or death.
  • Some coverings, like biological soil crusts, take decades to recover once broken.

Who is affected

  • Living organisms
  • Landowners and communities
  • Ecosystems

Owners Filled

Steward

The keeper of the body it covers; nobody for wild nature, which may be protected by law.

Links to other meta-models Filled

parent

  • oewn-00019308-n - registry parent class

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.covering
  • Open English WordNet: oewn-09280855-n

Direct properties required Filled

  • Natural-origin evidence: observed natural formation; documented natural origin; inferred natural origin; unresolved
  • Covered subject: identified object, surface or region, with the covered portion specified
  • Coverage configuration: overlying; partially surrounding; fully enveloping; mixed; unresolved
  • Surface coverage: 0-100% of an explicitly defined reference surface, with method and uncertainty
  • Thickness distribution: mm or m at specified locations, with range and measurement method
  • Coverage continuity: continuous at stated resolution; naturally open; newly breached; patchy; unresolved
  • Interface attachment: loose contact; interlocked; adherent; structurally continuous; mixed; unresolved
  • Passage through covering: agent-specific measure, such as light transmission in %, water flux in mm/h or particle passage by size; conditions required
  • Coverage trajectory: expanding; stable over stated interval; thinning; fragmenting; detaching; re-forming; unresolved

Recognition required Filled

  • A distinct outer layer over a body, such as bark, skin, shell or crust.
  • Different texture or colour from the material beneath.

Capabilities and actions required Filled

  • Locate and map covered areas, margins and openings.
  • Inspect or measure thickness and passage through the covering using methods appropriate to its attachment and fragility.
  • Compare observations to detect spreading, thinning, breach or detachment.
  • Assess whether lifting, parting or removing a portion would expose or damage the covered subject.
  • Where authorised and supported by evidence, retain, reposition or remove the covering and monitor the resulting exposure.

Hazards and failure modes required Filled

  • Exposure of the underlying body to drying, infection or erosion.
  • Release of what the covering held in, such as dust or contaminants.

Standards and interfaces not applicable Not applicable

Not applicable

No single standard or regulation applies to all natural coverings without identifying the material, underlying body and setting.

Context of use required Filled

  • Natural coverings are encountered on living organisms, land surfaces and other bodies as layers such as bark, skin, snow or mineral crust.
  • They are examined to understand protection, concealment, surface boundaries and exchanges between the underlying body and its surroundings.
  • Their condition can inform whether disturbance or restoration is appropriate for the particular organism or environment.

Sources Filled

  1. Open English WordNet 2024, synset oewn-09280855-n - sense and gloss of the concept
  2. Wiktionary: covering - word senses and usage

Open questions

  • Does the registry intend covering to include attached anatomical structures, loose natural accumulations and environmental layers, or are some assigned exclusively to neighbouring entries?
  • What makes a collection of natural particles or organisms one covering object rather than several objects participating in a covering relationship?
  • How should naturally formed coverings that are relocated or substantially modified by people be classified?
  • Which coverage and passage measurements are appropriate for each admitted subtype, and what reference surfaces make them comparable?
  • Which existing Vercy models already own particular natural coverings, requiring a reference or shared interpretation rather than a duplicate model?

Machine files

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-covering/spec.json