The agent or standpoint from which the observation is made — the reified-object-property counterpart of gmeow:accordingTo. Semantically, gmeow:vantage ⊑ gmeow:accordingTo: when an annotated statement is promoted to a reified Observation, its gmeow:accordingTo becomes the gmeow:vantage of the relator. The agent in the vantage role — an observer, a sensor, a perceiver — IS a standpoint (Principle 9): no frame is privileged, and every vantage is a co-equal facet from which the claim is held. Range is gmeow:Entity (encompassing both gmeow:Agent and gmeow:Standpoint) because a vantage may be a bare agent (person, organization, software agent, sensor) or a gmeow:Standpoint individual when the frame needs its own identity. Non-functional: joint observations (a reading co-authored by two agencies) are valid.


The verification activity performed on an attestation. Non-functional: an attestation may be verified multiple times by different verifiers.


The result of a verification activity applied to an attestation. Non-functional: multiple verification results may coexist from different verifiers or at different times.


The verification outcome of a signature: verified, failed, or unverified.


The agent that produced a verification result. Non-functional: joint verification by multiple agents is valid.


A content fingerprint of the versioned entity — a hash, SWHID, content digest, or semantic identifier. Broader than gmeow:contentDigest (which is byte-exact and domain gmeow:Source): versionFingerprint covers semantic fingerprints where exact bytes are not the identity criterion (e.g. a normalized form, a canonicalized serialization). Non-functional: a single entity may carry several fingerprints under different algorithms or schemes.


The version designation of an entity as a literal ("1993", "2011", "v2.1.0-beta", "3rd Edition"). Domain is gmeow:Entity so any versioned artifact — a language, a software release, a book edition, a dataset, an email variant — may carry its designation. Non-functional.


The concrete entity that participates in a version set via this membership — a software release, a book edition, an email variant, a dataset snapshot. Functional per relator: one member per VersionMembership.


Relates a concrete version entity to the stable lineage entity it versions: a language version to its language, a software release to its project, a data release to its dataset, or a work version to its work. Functional because a version belongs to one lineage, but the lineage may have many versions.


The role or status classification this membership asserts for the member within the set — canonical, variant, latest, stable, LTS, deprecated, yanked, draft, published, revised, collected, withdrawn. NON-FUNCTIONAL: an entity may hold multiple roles from different authorities simultaneously (standpoint-indexed coexistence per Principle 9), and a role may change over time via new memberships rather than overwrite.


The scale classification of this membership — trivial, minor, major. NON-FUNCTIONAL: different authorities or schemes may classify the same change differently; those claims coexist.


The version set / lineage to which this membership belongs. Functional per relator: one set per VersionMembership.


The kind(s) of a virtual location (one or more gmeow:VirtualLocationType individuals). Non-functional: multi-source classifications may differ and must coexist as evidence (Principle 9).


The platform hosting a virtual location (Zoom, Meet, a chat service, …).


Relates an activity to an agent associated with carrying it out — e.g. the software agent that ran an import. (Activity→Agent; the counterpart of gmeow:wasAttributedTo, which ascribes an endurant Entity to an agent.)


Ascribes responsibility for an entity to an agent.


Relates a derived entity to the entity it was derived from — e.g. a text extraction, summary, or embedding to its source. The derivation's confidence and generating agent are recorded with gmeow:confidence and gmeow:wasGeneratedBy.


Relates an entity to the activity that produced it.


A what3words address — three words that identify a 3m×3m square on Earth (e.g. 'filled.county.limes').


The structural kind(s) of a writing system (gmeow:WritingSystemType values). Non-functional — a script may be classified plurally.


Relates a software project to a first-class gmeow:ProgrammingLanguage it is written in. Non-functional — a project uses several languages.


Rotation about the vertical (typically z) axis, in degrees or radians as indicated by the reference frame.