PORTAL_Agent-based_model

The canonical spine of [[Agent-based_model]]: its full tree-verified child structure, publishable to Obsidian as the scaffold for route objects (microsims, songs, semiotics, cardsets, games, streams, transcripts) keyed to this hub.  ## Play every microsim on this page <p class="microsim-gallery-note">Every microsim linked from this portal, embedded live. <strong>21 players</strong> — 15 threejs · 6 p5js. 4 are staged but not yet deployed and show as placeholders.</p> <ul class="microsim-gallery"> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Agent-based_model.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Agent-based model — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Agent-based_model">Agent-based model</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Agent-based_model.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Complex_system.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Complex system — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Complex_system">Complex system</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Complex_system.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Conways_Game_of_Life.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Conways Game of Life — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Conway's_Game_of_Life">Conways Game of Life</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Conways_Game_of_Life.html" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Conway's_Game_of_Life">Conway's Game of Life</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Emergence.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Emergence — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Emergence">Emergence</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Emergence.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/polytope4d.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Four-dimensional polytopes — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/WT!Three_js_Microsim_Master_Class">Four-dimensional polytopes</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/polytope4d.html" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/WT!Three_js_Microsim_Master_Class">Three.js Microsim Master Class</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Klein_bottle.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Klein bottle — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/WT!Three_js_Microsim_Master_Class">Klein bottle</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Klein_bottle.html" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/WT!Three_js_Microsim_Master_Class">Three.js Microsim Master Class</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Platonic_solid.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Platonic solids — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/WT!Three_js_Microsim_Master_Class">Platonic solids</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Platonic_solid.html" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/WT!Three_js_Microsim_Master_Class">Three.js Microsim Master Class</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Wolfram_classes_landscape_3D.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Wolfram classes landscape 3D — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Cellular_automaton">Wolfram classes landscape 3D</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Wolfram_classes_landscape_3D.html" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Cellular_automaton">Cellular automaton</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/90jeLsBsW" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Acoustic wave — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/WT!P5_js_Microsim_Master_Class">Acoustic wave</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/90jeLsBsW" target="_blank" rel="noopener">open in the p5 editor</a> · on <a href="https://en.wikitube.io/wiki/WT!P5_js_Microsim_Master_Class">p5.js Microsim Master Class</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/tHGSVAofH" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Aliasing — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/WT!P5_js_Microsim_Master_Class">Aliasing</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/tHGSVAofH" target="_blank" rel="noopener">open in the p5 editor</a> · on <a href="https://en.wikitube.io/wiki/WT!P5_js_Microsim_Master_Class">p5.js Microsim Master Class</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/i0OrDsbz-" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Graphics processing unit (p5.js) — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Graphics_processing_unit">Graphics processing unit (p5.js)</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/i0OrDsbz-" target="_blank" rel="noopener">open in the p5 editor</a> · on <a href="https://en.wikitube.io/wiki/Graphics_processing_unit">Graphics processing unit</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/HVNGd9nMv" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Histogram — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/WT!P5_js_Microsim_Master_Class">Histogram</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/HVNGd9nMv" target="_blank" rel="noopener">open in the p5 editor</a> · on <a href="https://en.wikitube.io/wiki/WT!P5_js_Microsim_Master_Class">p5.js Microsim Master Class</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/VG2lh_GDS" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="System dynamics — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/System_dynamics">System dynamics</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/VG2lh_GDS" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/ZBxM-wEIe" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Wayback Machine — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Wayback_Machine">Wayback Machine</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/ZBxM-wEIe" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card is-pending" data-lib="threejs"> <div class="ms-placeholder">Staged, not yet deployed — <code>Graphics_processing_unit.html</code></div> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Graphics_processing_unit">Controls -> what each maps to</a></div><div class="ms-sub">threejs · awaiting CDN deploy · on <a href="https://en.wikitube.io/wiki/Graphics_processing_unit">Graphics processing unit</a></div></div> </li> <li class="microsim-card is-pending" data-lib="threejs"> <div class="ms-placeholder">Staged, not yet deployed — <code>Inductive_reasoning.html</code></div> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Inductive_reasoning">Controls -> what each maps to</a></div><div class="ms-sub">threejs · awaiting CDN deploy · on <a href="https://en.wikitube.io/wiki/Inductive_reasoning">Inductive reasoning</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Ecological_footprint.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Ecological footprint — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Ecological_footprint">Ecological footprint</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Ecological_footprint.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Ecology.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Ecology — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Ecology">Ecology</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Ecology.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card is-pending" data-lib="threejs"> <div class="ms-placeholder">Staged, not yet deployed — <code>Monte_Carlo_method.html</code></div> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Monte_Carlo_method">Monte Carlo method</a></div><div class="ms-sub">threejs · awaiting CDN deploy</div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Quorum_sensing.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Quorum sensing — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Quorum_sensing">Quorum sensing</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Quorum_sensing.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card is-pending" data-lib="threejs"> <div class="ms-placeholder">Staged, not yet deployed — <code>Von_Neumann_architecture.html</code></div> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Von_Neumann_architecture">Von Neumann architecture</a></div><div class="ms-sub">threejs · awaiting CDN deploy</div></div> </li> </ul>   **Craft standard:** Both craft standards apply here — [[WT!Three_js_Microsim_Master_Class|three.js]] and [[WT!P5_js_Microsim_Master_Class|p5.js]].   ## Canonical link structure — 300 tree-verified children Hub article: [[Agent-based_model]] · tree harvested 2026-07-29T22:26:31Z · every entry below is in this hub's harvested child tree (v09-gated). Unbuilt links are intentional forward-refs: the populate scaffold. **0-9** — [[2008_financial_crisis]] **A** — [[Active_matter]] · [[Actor_model]] · [[Agent-based_computational_economics]] · [[Agent-based_model_in_biology]] · [[Agent-based_social_simulation]] · [[Agent-oriented_programming]] · [[Algorithm]] · [[Allee_effect]] · [[Altitudinal_migration]] · [[Animal_migration]] · [[Animal_migration_tracking]] · [[Animal_navigation]] · [[Ant_colony_optimization_algorithms]] · [[Ant_mill]] · [[Ant_robotics]] · [[Argonne_National_Laboratory]] · [[Artificial_life]] · [[Artificial_society]] · [[ArXiv]] · [[AutoGPT]] · [[Autonomous_agent]] **B** — [[Bait_ball]] · [[Bibcode]] · [[BIO-LGCA]] · [[Biological_warfare]] · [[Biology]] · [[Bird_migration]] · [[Boids]] · [[Botnet]] · [[Bounded_rationality]] **C** — [[Cambridge_University_Press]] · [[Carl_Hewitt]] · [[Carnegie_Mellon_University]] · [[Cellular_automaton]] · [[Cell_migration]] · [[Checkerboard]] · [[Christopher_Langton]] · [[Circular_economy]] · [[CiteSeerX]] · [[Cleaner_production]] · [[Clustering_of_self-propelled_particles]] · [[Coded_wire_tag]] · [[Cognition]] · [[Cognitive_model]] · [[Collective_animal_behavior]] · [[Collective_intelligence]] · [[Collective_motion]] · [[Comparison_of_agent-based_modeling_software]] · [[Comparison_of_platforms_for_software_agents]] · [[Compartmental_models_(epidemiology)]] · [[Complexity]] · [[Complex_adaptive_system]] · [[Complex_network]] · [[Complex_system]] · [[Computational_model]] · [[Computational_sociology]] · [[Computer_cluster]] · [[Computer_simulation]] · [[Consumer_behaviour]] · [[Conway's_Game_of_Life]] · [[Cost–benefit_analysis]] · [[CovidSim]] · [[Cradle-to-cradle_design]] · [[Craig_Reynolds_(computer_graphics)]] · [[Crowd_simulation]] **D** — [[Decentralised_system]] · [[Dematerialization_(products)]] · [[Design_for_the_environment]] · [[Diel_vertical_migration]] · [[Digital_object_identifier]] · [[Dirk_Helbing]] · [[Discrete-event_simulation]] · [[Distributed_artificial_intelligence]] · [[Distributed_computing]] · [[DPSIR]] · [[Droving]] · [[Dynamic_network_analysis]] · [[Dynamic_stochastic_general_equilibrium]] **E** — [[Earth_systems_engineering_and_management]] · [[Eco-efficiency]] · [[Eco-industrial_development]] · [[Eco-industrial_park]] · [[Ecolabel]] · [[Ecological_economics]] · [[Ecological_footprint]] · [[Ecological_modernization]] · [[Ecology]] · [[Economic_equilibrium]] · [[Efficient_energy_use]] · [[EIO-LCA]] · [[Elsevier]] · [[Emergence]] · [[Emory_University]] · [[Environmental_economics]] · [[Environmental_full-cost_accounting]] · [[Environmental_impact_assessment]] · [[Environmental_management_system]] · [[Epidemic]] · [[Ethnocentrism]] · [[Eusociality]] · [[Evolutionary_algorithm]] · [[Evolutionary_programming]] · [[Exergy]] · [[Extended_producer_responsibility]] **F** — [[Facebook]] · [[Feeding_frenzy]] · [[Financial_analyst]] · [[Financial_economics]] · [[Financial_market]] · [[Fish_migration]] · [[Flocking]] · [[Flock_(birds)]] · [[Foundation_for_Intelligent_Physical_Agents]] **G** — [[GAMA_Platform]] · [[Game_theory]] · [[Geographic_information_system]] · [[George_Mason_University]] · [[GORITE]] · [[Graphics_processing_unit]] · [[Green_chemistry]] · [[Group_size_measures]] **H** — [[Handle_System]] · [[Heiko_Enderling]] · [[Herd]] · [[Herding]] · [[Herd_behavior]] · [[Heterogeneity_in_economics]] · [[Heuristic]] · [[History_of_wildlife_tracking_technology]] · [[Homing_(biology)]] **I** — [[IBM]] · [[Immune_system]] · [[Impact_assessment]] · [[Inductive_reasoning]] · [[Industrial_ecology]] · [[Industrial_metabolism]] · [[Industrial_symbiosis]] · [[Input–output_model]] · [[Insect_migration]] · [[Institute_for_Operations_Research_and_the_Management_Sciences]] · [[Integrated_chain_management]] · [[International_relations]] · [[Internet_bot]] · [[Investment_management]] · [[Iowa_State_University]] · [[ISBN]] · [[ISO_14000_family]] · [[ISSN]] **J** — [[J._Doyne_Farmer]] · [[JACK_Intelligent_Agents]] · [[Java_Agent_Development_Framework]] · [[John_Horton_Conway]] · [[John_von_Neumann]] · [[Joshua_M._Epstein]] · [[Journal_of_Artificial_Societies_and_Social_Simulation]] · [[June_Almeida]] **K** — [[Kathleen_Carley]] · [[Kenneth_Judd]] · [[Kinetic_exchange_models_of_markets]] **L** — [[Large_language_model]] · [[Leigh_Tesfatsion]] · [[Lepidoptera_migration]] · [[Lessepsian_migration]] · [[Life-cycle_assessment]] · [[Life-cycle_cost_analysis]] · [[Linearity]] · [[List_of_COVID-19_simulation_models]] · [[Locust]] · [[Lorenzo_Pareschi]] **M** — [[Marcia_Friesen]] · [[Marketing]] · [[Material_flow_analysis]] · [[MET_Matrix]] · [[Microbial_intelligence]] · [[Microbotics]] · [[Microfoundations]] · [[Microscale_and_macroscale_models]] · [[Microsimulation]] · [[Mixed-species_foraging_flock]] · [[Mobbing_(animal_behavior)]] · [[Monarch_butterfly_migration]] · [[Monterrey_Institute_of_Technology_and_Higher_Education]] · [[Monte_Carlo_method]] · [[Multi-agent_pathfinding]] · [[Multi-agent_planning]] · [[Multi-agent_reinforcement_learning]] · [[Multi-agent_system]] · [[Mutualism_(biology)]] **N** — [[Nanorobotics]] · [[Natal_homing]] · [[National_Science_Foundation]] · [[Nature_(journal)]] · [[Neil_Ferguson_(epidemiologist)]] · [[Network_topology]] · [[Nigel_Gilbert]] **O** — [[Office_of_Scientific_and_Technical_Information]] · [[Oliver_Selfridge]] · [[OmniScriptum]] · [[Organizational_behavior]] **P** — [[Pack_(canine)]] · [[Pack_hunter]] · [[Pandemonium_architecture]] · [[Particle_swarm_optimization]] · [[Patterns_of_self-organization_in_ants]] · [[Paulien_Hogeweg]] · [[Philopatry]] · [[Polluter_pays_principle]] · [[Population_dynamics]] · [[Power_law]] · [[Precautionary_principle]] · [[Predator_satiation]] · [[Prisoner's_dilemma]] · [[Public_policy]] · [[PubMed]] · [[PubMed_Central]] **Q** — [[Quorum_sensing]] **R** — [[Rebound_effect_(conservation)]] · [[Representative_agent]] · [[Reverse_migration_(birds)]] · [[Robert_Axelrod_(political_scientist)]] · [[Robert_Axtell]] · [[Ron_Sun]] · [[Rutgers_University]] **S** — [[Salmon_run]] · [[Santa_Fe_Institute]] · [[Sardine_run]] · [[SARS-CoV-2]] · [[Sea_turtle_migration]] · [[Self-driving_car]] · [[Self-propelled_particles]] · [[Semantic_Scholar]] · [[Shoaling_and_schooling]] · [[Simula]] · [[Simulated_reality]] · [[Situated]] · [[Social_complexity]] · [[Social_dynamics]] · [[Social_network]] · [[Social_network_analysis]] · [[Social_physics]] · [[Social_science]] · [[Social_Science_Research_Network]] · [[Social_simulation]] · [[Sociobiology]] · [[Software_agent]] · [[Sort_sol]] · [[Spatial_organization]] · [[Springer_Science+Business_Media]] · [[Stakeholder_analysis]] · [[Stanisław_Ulam]] · [[Steady_state]] · [[Stigmergy]] · [[Stochastic_process]] · [[Sugarscape]] · [[Supercomputer_architecture]] · [[Supply_chain_optimization]] · [[Sustainable_development]] · [[Swarming_(honey_bee)]] · [[Swarming_(military)]] · [[Swarming_motility]] · [[Swarm_(simulation)]] · [[Swarm_behaviour]] · [[Swarm_Development_Group]] · [[Swarm_intelligence]] · [[Swarm_robotics]] · [[Swiss_Tropical_and_Public_Health_Institute]] · [[Symbrion]] · [[Symmetry_breaking_of_escaping_ants]] · [[Synthetic_population]] · [[System_dynamics]] **T** — [[Task_allocation_and_partitioning_in_social_insects]] · [[Teamwork]] · [[Technical_University_of_Madrid]] · [[Test-driven_development]] · [[The_Economist]] · [[Thomas_Schelling]] · [[Trade-off_talking_rational_economic_person]] · [[Traffic_congestion]] **U** — [[United_States_Department_of_Transportation]] · [[University_of_California,_Los_Angeles]] · [[University_of_Chicago]] · [[University_of_Stirling]] · [[Urban_ecology]] · [[Urban_metabolism]] · [[Uri_Wilensky]] **V** — [[Verification_and_validation]] · [[Vicsek_model]] · [[Von_Neumann_architecture]] · [[Von_Neumann_universal_constructor]] **W** — [[Waste_hierarchy]] · [[Waste_minimisation]] · [[Waste_valorization]] · [[Wayback_Machine]] · [[Waymo]] · [[Web-based_simulation]] · [[Wiley_(publisher)]] · [[Wireless_sensor_network]] · [[Word_of_mouth]] · [[Workforce_management]] ## Route objects (§10.3 stubs — placeholders declared in `_registry/firebase/`) - **microsim** — `microsim/{library}/Agent-based_model__{YYYYMMDD}T{HHMM}Z/` - **songs** — `songs/{Band_name}/{Song_name}/Agent-based_model/` - **semiotics** — `semiotics/{authorizer}/{set}/{Song_name}/{audio_video_id}/Agent-based_model/` - **cardset** — `cardset/{authorizer}/{set}/Agent-based_model/` - **games** — `games/quizzes/Agent-based_model/` - **channel_stream** — `channel_stream/Agent-based_model/` - **transcripts** — `transcripts/{audio_video_id}/Agent-based_model/` Hub + children route keys are pre-declared in `_registry/firebase/expansion_matches.csv` (54,000 Related Wikipedia Matches). Minting any leaf passes §10.1 registration.