Open Metaverse Hackathon · March 7–8, 2026 · Frontier Tower, SF · PLACES Track
ROOM
A semantic memory layer for the spatial internet. Places hold memory. Multiple knowledge graphs coexist without collapsing.
// 01
The Invitation
ROOM is an experiment in co-memory — a way for people to layer insights, artifacts, and perspectives onto spaces themselves. Not annotation. Not tagging. Something closer to how we actually remember: through context, through emotion, through place.
ROOM is designed to hold multiple ontologies simultaneously. Different knowledge graphs can coexist in the same spatial environment without collapsing into each other. Each community brings its own schema, its own vocabulary, its own relational logic. The ROOM doesn't arbitrate between them. It holds the space where they meet.
// 02
The Moment We're In
The RP1 Open Metaverse Hackathon is happening right now at Frontier Tower. The framing couldn't be clearer: open standards vs. corporate silos. The spatial internet will either be built like the web — by many, for many — or locked into proprietary systems by companies that have the money, the hardware, the marketing.
The spatial internet will have places.
But places need memory.
The hackathon identifies three tracks: Tools, Places, and AI. ROOM sits at the intersection of all three — infrastructure for meaning, the semantic layer that makes spatial computing legible as human experience rather than just geometric data.
The infrastructure built in the next few years will determine how billions of people navigate digital space for the next thirty. ROOM is a contribution to making that infrastructure open, federated, and human.
// 03
The Spatial Information Stack
Spatial information organizes into four ascending layers of complexity. Most spatial tooling today operates on layers 2–4. The semantic layer — what makes geometry into meaning — is almost entirely missing from the open stack.
The semantic layer isn't merely additive — it's interpretively prior. Without it, every layer above remains mute. Geometry without semantics is topography without territory. A photorealistic render has no way to declare what it depicts, who was there, what it meant. ROOM provides the primitives that let the other layers speak.
ROOM gives you the Meaning.
// 04
The Hippocampus Insight
The reason spatial memory is so powerful in humans isn't accidental. Your brain has an entire dedicated architecture for it — and ROOM's data model mirrors it directly.
Place Cells
Fire when you're here. Encode the specific geometry of a location so it can be recalled even when you're elsewhere. Memory as topology.
Grid Cells
Fire in repeating hexagonal grids. Create a continuous abstract coordinate system. Navigation as pure mathematics layered over experience.
Memory is stored in the relationship between content and location.
This is why the method of loci works. This is why walking back into a room can recover a lost thought.
ROOM takes this biological principle seriously. By anchoring knowledge to spatial coordinates, we're not just making data spatially accessible — we're making it neurologically compatible with how humans actually remember.
// 05
A Collective Hippocampus
If the hippocampus is what lets an individual navigate remembered space, then ROOM is an attempt to build that architecture at collective scale — a shared spatial memory system for communities, for places, for the emerging spatial internet.
ROOM reduces spatial memory to four atomic types that mirror how the hippocampus encodes it:
Navigation through ROOM becomes an act of epistemic archaeology: walking through space is walking through time, through perspective, through the sedimentary layers of collective understanding accumulated at a location.
// 06
The Live Demo
ROOM is live. Three pages, zero build step — a working implementation of the semantic layer running on open web standards.
room-openmetaverse.vercel.appFrontier Tower Locations
ROOM's demo is a semantic digital twin of Frontier Tower itself — four spatial captures, multiple ontological perspectives, one shared memory graph.
The Data Layer
room.js is a zero-dependency shared module that exposes the full ROOM API. It runs in the browser — no build step, no framework.
ROOM.loadWorldFromURL('sample-world.json'); // Load a world
ROOM.getPlaces(); → all Place nodes
ROOM.getEventsAtPlace('place-lobby'); → Events anchored here
ROOM.getPerspectivesForEvent('evt-01');→ Multiple viewpoints
ROOM.getPlaceContext('place-2nd-floor'); → Full context tree
ROOM.obsidianToPerspective(markdown); → Claudesidian bridge
ROOM.exportWorld(); → Portable JSON
// 07
Personal Knowledge Sovereignty
Shared memory systems have historically demanded a sacrifice: your private cognition becomes the property of the platform. ROOM refuses this bargain.
Your thinking remains yours. You choose what surfaces, and how. The graph is federated — no central authority controls what gets remembered or how perspectives get weighted.
// 08
Epistemological Hygiene
The deepest problem with most knowledge systems isn't storage — it's perspective collapse. They treat disagreement as error. They compress multiple valid viewpoints into a single authoritative account. They lose the edges where understanding breaks down.
It lets them coexist — spatially adjacent, epistemically distinct.
This is what the Nyāya epistemological tradition calls pramāṇa — legitimate sources of knowledge that don't cancel each other. Multiple valid means of knowing the same thing from different angles. The goal isn't consensus. It's navigable pluralism.
Guattari's Three Ecologies
Félix Guattari identified three interacting ecological registers that co-constitute reality. ROOM's architecture maps directly onto them:
The interior life, personal sense-making, individual knowledge graphs. Personal PKGs.
Communities of practice, shared narratives, collaborative sensemaking. Shared ROOM nodes.
The physical places themselves — the ground beneath the memories. Spatial world.
Sand Talk
Tyson Yunkaporta's Sand Talk offers an Indigenous framework that upends most Western knowledge infrastructure: knowledge doesn't reside in things — it emerges through relationships. Linear text encodes one path through an idea. A relational graph encodes all possible paths simultaneously. A spatial knowledge environment lets you inhabit the idea.
// 09
Bot Theater
ROOM's AI agents aren't interfaces — they're characters. Not chatbots with query boxes, but epistemic personas with distinct roles in the knowledge drama of a place:
AI becomes dramatic rather than mechanical. Powered by Claude / MCP. Each persona has a perspective, a bias, a role in the epistemological ecosystem of the ROOM.
// 10
Experience Layer
ROOM's semantic graph is the foundation. The experience of walking through spatial memory is a composable stack. Each layer is independent; they compound when combined.
The trap is doing all four at once. TouchDesigner and ComfyUI should support the story, not become the story. A legible demo with layers 1–2 and one cinematic moment is more powerful than an art-tech fever dream that judges admire but cannot parse.
// 11
world.json
The ROOM data format is a flat, portable JSON graph — human-readable, no build step required, compatible with any spatial browser that speaks open standards. It is a draft proposal — a contribution to the emerging open metaverse schema ecosystem, not an overclaim.
{
"schema": "room/v0.1",
"place": { "id": "frontier_tower_l2", "splat": "./scene.splat", "crs": "WGS84" },
"nodes": [
{ "id": "evt_001", "type": "event", "title": "Kickoff", "position": [1.2, 0.5, -3.8], "time": "2026-03-07T12:00:00Z" },
{ "id": "pov_001", "type": "perspective", "ontology": "bioregional", "ref": "evt_001", "visibility": "public" },
{ "id": "art_001", "type": "artifact", "format": "text/markdown", "src": "./notes.md" }
],
"edges": [{ "from": "pov_001", "to": "art_001", "label": "produced" }],
"tour": { "title": "Frontier Tower Memory Walk", "waypoints": [{ "node": "evt_001", "narration": "..." }] }
}
Edge types: anchored_at · observes · produced_by · leads_to | Ontologies: architectural · social · experiential · mythological · bioregional · personal
// 12
Collaboration Field
ROOM is not a closed system. It's infrastructure for connection. Each layer is composable — different communities, different ontologies, different tools, all anchored to the same spatial substrate.
// coda
Places Can Remember
The web gave us pages — flat surfaces covered in text, linked by addresses. The spatial internet will give us places — volumetric environments where knowledge doesn't sit on surfaces, it inhabits them.
ROOM explores what happens when a place doesn't just look like somewhere — when it remembers what happened there, holds the perspectives of everyone who passed through, and offers that memory to anyone willing to walk in.
ROOM · innercartography.github.io · Semantic Field · The Splat Guild
Open Metaverse Hackathon · March 7–8, 2026 · Frontier Tower, San Francisco
MIT License · You own what you create.