{
  "$schema": "https://5thelement.ai/schemas/changelog.json",
  "version": "1.1",
  "generated": "2026-08-25",

  "service": {
    "name": "3webs",
    "domain": "https://3webobs.com/",
    "operator": "AIVENTURE S.R.L."
  },

  "purpose": "Versioned record of material changes to 3webs, its observation methodology, public interfaces and machine-readable declarations.",

  "current_version": "3.0.0",
  "current_release": "2026-08-25",

  "releases": [
    {
      "version": "3.0.0",
      "date": "2026-08-25",
      "type": "major",

      "summary": "Repositioned the service as 3webs around observation of the human web, AI web and machine web.",

      "changes": [
        {
          "type": "brand",
          "change": "Rebranded the service from Audit·AI™ to 3webs."
        },
        {
          "type": "positioning",
          "change": "Introduced the three-web observation model: human web, AI web and machine web."
        },
        {
          "type": "methodology",
          "change": "Published the 167-signal observation catalogue across AI Signals, AEO, GEO, AIO and SEO."
        },
        {
          "type": "machine_interface",
          "change": "Published machine-readable identity, entity, intent, capability, governance, authority, policy, alias, session and action declarations."
        },
        {
          "type": "machine_interface",
          "change": "Published an A2A agent card at /.well-known/agent-card.json."
        },
        {
          "type": "network",
          "change": "Declared 3webs as an observation node of the AiVenture ADI Network."
        },
        {
          "type": "policy",
          "change": "Published an allow-lane matrix describing permitted automated visitor behavior."
        },
        {
          "type": "integrity",
          "change": "Published a SHA-256 integrity manifest for designated public artifacts."
        },
        {
          "type": "transparency",
          "change": "Published machine-readable governance, AI-use and service-policy declarations."
        }
      ],

      "machine_resources": [
        "/ai.txt",
        "/ai.json",
        "/entities.json",
        "/intents.json",
        "/capabilities.json",
        "/governance.json",
        "/authority.json",
        "/policy.json",
        "/aliases.json",
        "/session.json",
        "/actions.json",
        "/allow-lane-matrix.json",
        "/adn.json",
        "/network.json",
        "/proof.json",
        "/.well-known/agent-card.json"
      ]
    },

    {
      "version": "2.0.0",
      "date": "2026-08-20",
      "type": "major",

      "summary": "Moved the observation methodology toward deterministic, evidence-based evaluation.",

      "changes": [
        {
          "type": "methodology",
          "change": "Replaced heuristic scoring with deterministic rules where signals can be objectively tested."
        },
        {
          "type": "evidence",
          "change": "Introduced explicit handling for signals that cannot be reliably verified from available public evidence."
        },
        {
          "type": "ai_usage",
          "change": "Separated deterministic signal evaluation from language-model narrative synthesis."
        },
        {
          "type": "security",
          "change": "Moved language-model synthesis server-side so provider credentials are not exposed to the browser."
        }
      ]
    }
  ],

  "current_capability_status": {
    "one_shot_observation": {
      "status": "available",
      "capability": "obs.one_shot"
    },

    "signal_catalogue": {
      "status": "available",
      "capability": "obs.catalogue"
    },

    "signal_explanation": {
      "status": "available_if_exposed_by_current_service",
      "capability": "obs.explain"
    },

    "observation_diff": {
      "status": "available_if_exposed_by_current_service",
      "capability": "obs.diff"
    },

    "a2a_agent_discovery": {
      "status": "available",
      "resource": "/.well-known/agent-card.json"
    },

    "a2a_endpoint": {
      "status": "declared",
      "resource": "/a2a",
      "note": "Declared does not by itself mean verified as operational."
    },

    "permanent_observation": {
      "status": "planned",
      "capability": "obs.permanent"
    }
  },

  "planned": [
    {
      "id": "permanent_observation_scheduler",
      "item": "Scheduled execution of permanent observations",
      "status": "planned",
      "target_version": null
    },
    {
      "id": "change_notifications",
      "item": "Notifications when monitored signal states materially change",
      "status": "planned",
      "target_version": null
    },
    {
      "id": "additional_external_sources",
      "item": "Additional external evidence sources for signals that cannot currently be verified reliably",
      "status": "under_evaluation",
      "target_version": null
    },
    {
      "id": "expanded_a2a_verification",
      "item": "Expanded verification of declared Machine Web and A2A capabilities",
      "status": "under_evaluation",
      "target_version": null
    }
  ],

  "change_policy": {
    "breaking_changes": "Material breaking changes to public machine interfaces should be recorded in this changelog.",

    "signal_catalogue_changes": "Additions, removals or material definition changes to observation signals should be recorded here.",

    "capability_changes": "Changes to declared callable capabilities should be reflected in capabilities.json, actions.json and the agent card where applicable.",

    "governance_changes": "Material changes to governance, AI usage or access policy should be reflected in the corresponding machine-readable declarations.",

    "historical_records": "Published historical release entries should not be silently rewritten except to correct factual or encoding errors; material corrections should themselves be recorded."
  },

  "evidence_model": {
    "principle": "A changelog records declarations about change; operational capability should be verified independently.",

    "capability_states": [
      "declared",
      "valid",
      "reachable",
      "invocable",
      "verified"
    ],

    "declaration_is_execution_proof": false
  },

  "integrity": {
    "manifest": "https://3webobs.com/proof.json",
    "algorithm": "SHA-256",

    "statement": "The integrity manifest can demonstrate byte-level consistency of the published changelog with its recorded digest. It does not independently prove that every historical statement in the changelog is true."
  },

  "related_resources": {
    "identity": "https://3webobs.com/ai.json",
    "intents": "https://3webobs.com/intents.json",
    "capabilities": "https://3webobs.com/capabilities.json",
    "actions": "https://3webobs.com/actions.json",
    "governance": "https://3webobs.com/governance.json",
    "agent_card": "https://3webobs.com/.well-known/agent-card.json",
    "proof": "https://3webobs.com/proof.json"
  }
}