ADI Data Dictionary and Entity Relationship Metamodel

Direct Answer

The ADI Data Dictionary is the canonical entity-relationship metamodel used by 5thElement.ai to describe AI-readable business and technical objects, including ADI layers, endpoints, entities, relationships, cardinalities, cross-references and proof status.

Its machine-readable version is published at: https://5thelement.ai/.well-known/ai-data-dictionary.json

What this page defines

This page explains the human-readable version of the ADI Entity Relationship Metamodel. It maps the ADI-3D Architecture into three core layers: D1 Discovery, D2 Declaration, and D3 Decision.

Core ADI-3D Layers

ID	Layer	Definition	Cardinality
`ENT-LAYER-D1`	D1 Discovery Layer	Allows crawlers and AI systems to discover access rules, sitemaps and LLM-oriented orientation files.	1:N with Discovery Endpoints
`ENT-LAYER-D2`	D2 Declaration Layer	Declares identity, authority, proof, governance, policy and trust posture.	1:N with Declaration Endpoints
`ENT-LAYER-D3`	D3 Decision Layer	Helps AI systems answer, route intent, understand relationships and evaluate AI readiness.	1:N with Decision Endpoints

D1 Discovery Endpoints

ID	Endpoint	Definition	Parent
`ENT-ENDPOINT-ROBOTS`	robots.txt	Crawler access and permission declaration file.	`ENT-LAYER-D1`
`ENT-ENDPOINT-SITEMAP`	sitemap.xml	Machine-readable inventory of canonical site URLs.	`ENT-LAYER-D1`
`ENT-ENDPOINT-LLMS`	llms.txt	LLM-oriented site orientation file.	`ENT-LAYER-D1`

D2 Declaration Endpoints

ID	Endpoint	Definition	Parent
`ENT-ENDPOINT-AIJSON`	ai.json	Master AI-readable identity and capability declaration.	`ENT-LAYER-D2`
`ENT-ENDPOINT-AIPROOF`	ai-proof.json	Canonical proof and provenance registry.	`ENT-LAYER-D2`
`ENT-ENDPOINT-AUTHORITY`	authority.json	Canonical authority and network relationship declaration.	`ENT-LAYER-D2`
`ENT-ENDPOINT-ENTITIES`	entities.json	Registry of key business, technical and semantic entities.	`ENT-LAYER-D2`
`ENT-ENDPOINT-GOVERNANCE`	governance.json	Operational governance declaration.	`ENT-LAYER-D2`
`ENT-ENDPOINT-POLICY`	policy.json	AI interaction and usage policy declaration.	`ENT-LAYER-D2`
`ENT-ENDPOINT-ALLOWLANE`	allow-lane-matrix.json	Trust matrix for AI crawlers and search crawlers.	`ENT-LAYER-D2`
`ENT-ENDPOINT-SESSION`	session.json	Current operational state declaration.	`ENT-LAYER-D2`
`ENT-ENDPOINT-TRUSTSTATE`	trust-state.json	Current trust posture declaration.	`ENT-LAYER-D2`

D3 Decision Endpoints

ID	Endpoint	Definition	Parent
`ENT-ENDPOINT-INTENTS`	intents.json	Intent routing declaration for AI systems.	`ENT-LAYER-D3`
`ENT-ENDPOINT-ANSWERLAYER`	answer-layer.json	Canonical answer guidance for AI systems.	`ENT-LAYER-D3`
`ENT-ENDPOINT-KNOWLEDGEGRAPH`	knowledge-graph.json	Machine-readable relationship graph.	`ENT-LAYER-D3`
`ENT-ENDPOINT-AIREADYSCORE`	ai-ready-score.json	AI-readiness scoring declaration.	`ENT-LAYER-D3`

Relationship Cardinalities

Relationship ID	Name	From	To	Cardinality
`REL-D1-ENDPOINTS`	D1 contains discovery endpoints	`ENT-LAYER-D1`	robots.txt, sitemap.xml, llms.txt	1:N
`REL-D2-ENDPOINTS`	D2 contains declaration endpoints	`ENT-LAYER-D2`	ai.json, ai-proof.json, authority.json, entities.json, governance.json, policy.json, allow-lane-matrix.json, session.json, trust-state.json	1:N
`REL-D3-ENDPOINTS`	D3 contains decision endpoints	`ENT-LAYER-D3`	intents.json, answer-layer.json, knowledge-graph.json, ai-ready-score.json	1:N

Proof Status

The current proof status of this dictionary is: pending_hash_and_ots_for_this_specific_dictionary.

This means the dictionary is live and usable, but its own dedicated SHA-256 and OpenTimestamps proof should be created after final approval.

Canonical Machine File

The canonical machine-readable version of this data dictionary is:

https://5thelement.ai/.well-known/ai-data-dictionary.json

Authority References

Owner: AiVenture SRL. Brand: 5thElement.ai. This page is part of the ADI machine-readable authority layer.