Specification catalogue

Find the structure your AI needs.

A live registry of versioned meta-model specifications and clearly labelled research profiles. Search by family, category, industry, domain, name or tags; storage formats and interfaces remain independent.

The catalogue holds the whole Thing Registry: every registered thing an agent might meet, marked TODO until its governed specification is written. AISMM, PLMM and prior World Model assemblies remain here as examples.
206 155 meta-models Priority first
Thing RegistryGenerated draft

internal spermatic fascia

vr.tr.internal-spermatic-fascia
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

International Congress of National Minorities

vr.tr.international-congress-of-national-minorities
Activities and processes ACT.ACT
Thing RegistryGenerated draft

International cycling tour of Togo

vr.tr.international-cycling-tour-of-togo
Activities and processes ACT.EVT
Thing RegistryGenerated draft

international game

vr.tr.international-game
Activities and processes ACT.ACT
Thing RegistryGenerated draft

International K and KB Series

vr.tr.international-k-and-kb-series
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

International Lonestar

vr.tr.international-lonestar
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

International payments

vr.tr.international-payments
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

international reactions to the 2020 Belarusian presidential election and 2020–2021 protests

vr.tr.international-reactions-to-the-2020-belarusian-presidential-
Information and virtual systems INF.MED
Thing RegistryGenerated draft

International reactions to the 2026 United States intervention in Venezuela

vr.tr.international-reactions-to-the-2026-united-states-interventi
Information and virtual systems INF.MED
Thing RegistryGenerated draft

International Tennis Tournament of Cortina

vr.tr.international-tennis-tournament-of-cortina
Activities and processes ACT.ACT
Thing RegistryGenerated draft

International TerraStar

vr.tr.international-terrastar
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

International_14

vr.tr.international-14
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

Internazionali di Tennis Città di Rovereto

vr.tr.internazionali-di-tennis-citt-di-rovereto
Activities and processes ACT.ACT
Thing RegistryGenerated draft

Internazionali di Tennis Città di Vicenza

vr.tr.internazionali-di-tennis-citt-di-vicenza
Activities and processes ACT.ACT
Thing RegistryGenerated draft

Internazionali di Tennis d'Abruzzo – Città di Francavilla al Mare

vr.tr.internazionali-di-tennis-d-abruzzo-citt-di-francavilla-al-ma
Activities and processes ACT.ACT
Thing RegistryGenerated draft

Internet appliance

vr.tr.internet-appliance
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

internuntius

vr.tr.internuntius
Society, people and institutions SOC.PER
Thing RegistryGenerated draft

Interpeduncular fossa

vr.tr.interpeduncular-fossa
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

interspecies friendship

vr.tr.interspecies-friendship
Activities and processes ACT.PRC
Thing RegistryGenerated draft

interstitial cell

vr.tr.interstitial-cell
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

intertubercular sulcus of the humerus

vr.tr.intertubercular-sulcus-of-the-humerus
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

intestine transplantation

vr.tr.intestine-transplantation
Activities and processes ACT.ACT
Thing RegistryGenerated draft

intracellular space

vr.tr.intracellular-space
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

intractability

vr.tr.intractability

the trait of being hard to influence or control

Cross-cutting context XCT.QLT
Thing RegistryGenerated draft

intramural sports

vr.tr.intramural-sports
Activities and processes ACT.ACT
Thing RegistryGenerated draft

Intraoperative floppy iris syndrome

vr.tr.intraoperative-floppy-iris-syndrome
Cross-cutting context XCT.STA
Thing RegistryGenerated draft

introduction

vr.tr.introduction

the act of beginning something new

Activities and processes ACT.ACT
Thing RegistryGenerated draft

INTS1

vr.tr.ints1
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

INTS12

vr.tr.ints12
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

INTS8

vr.tr.ints8
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

INTS9

vr.tr.ints9
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

Intumescent

vr.tr.intumescent
Physical world and living systems PHY.MAT
Thing RegistryGenerated draft

Inuit music

vr.tr.inuit-music
Information and virtual systems INF.MED
Thing RegistryGenerated draft

invadopodia

vr.tr.invadopodia
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

invasion literature

vr.tr.invasion-literature
Information and virtual systems INF.MED
Thing RegistryGenerated draft

inversion

vr.tr.inversion-q4200527
Cross-cutting context XCT.QLT
Thing RegistryGenerated draft

Investigational New Drug

vr.tr.investigational-new-drug
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

iobenzamic acid

vr.tr.iobenzamic-acid
Physical world and living systems PHY.MAT
Thing RegistryGenerated draft

Iodine fluorosulfate

vr.tr.iodine-fluorosulfate
Physical world and living systems PHY.MAT
Thing RegistryGenerated draft

iodine monooxide

vr.tr.iodine-monooxide
Physical world and living systems PHY.MAT
Thing RegistryGenerated draft

iodipamide

vr.tr.iodipamide
Physical world and living systems PHY.MAT
Thing RegistryGenerated draft

Iodo-Willardiine

vr.tr.iodo-willardiine
Physical world and living systems PHY.MAT
Thing RegistryGenerated draft

iodoxamic acid

vr.tr.iodoxamic-acid
Physical world and living systems PHY.MAT
Thing RegistryGenerated draft

iodyl fluoride

vr.tr.iodyl-fluoride
Physical world and living systems PHY.MAT
Thing RegistryGenerated draft

ioglicic acid

vr.tr.ioglicic-acid
Physical world and living systems PHY.MAT
Thing RegistryGenerated draft

Ipai

vr.tr.ipai
Information and virtual systems INF.MED
Thing RegistryGenerated draft

IPB Czech Indoor

vr.tr.ipb-czech-indoor
Activities and processes ACT.ACT
Thing RegistryGenerated draft

iPhone 16 Plus

vr.tr.iphone-16-plus
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

Ipiko

vr.tr.ipiko
Information and virtual systems INF.MED
Thing RegistryGenerated draft

IPO13

vr.tr.ipo13
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

ipragliflozin

vr.tr.ipragliflozin
Physical world and living systems PHY.MAT
Thing RegistryGenerated draft

ipronidazole

vr.tr.ipronidazole
Physical world and living systems PHY.MAT
Thing RegistryGenerated draft

IPv6 packet

vr.tr.ipv6-packet
Cross-cutting context XCT.QLT
Thing RegistryGenerated draft

IQCE

vr.tr.iqce
Physical world and living systems PHY.OBJ
Thing RegistryGenerated draft

Iramba

vr.tr.iramba
Information and virtual systems INF.MED
Thing RegistryGenerated draft

Iran in the Türkvizyon Song Contest

vr.tr.iran-in-the-t-rkvizyon-song-contest
Activities and processes ACT.ACT
Thing RegistryGenerated draft

Iraqi Americans

vr.tr.iraqi-americans
Society, people and institutions SOC.PER
Thing RegistryGenerated draft

Iraqi art

vr.tr.iraqi-art
Information and virtual systems INF.KNW
Thing RegistryGenerated draft

Iraqi Sign Language

vr.tr.iraqi-sign-language
Information and virtual systems INF.MED
Thing RegistryGenerated draft

irazepine

vr.tr.irazepine
Physical world and living systems PHY.MAT