{
  "schema": "2dai-sheaf-os-public-reference-results-v1",
  "as_of": "2026-11-06",
  "product": "Sheaf-OS local AMR software reference",
  "release": "v1.2-20261106",
  "scope": {
    "platform": "Hosted macOS arm64",
    "runtime_source_revision": 303,
    "decision_path": "Offline local execution",
    "dependencies": ["Externally installed trusted Python 3.12", "Pinned OpenSSL 3.6.4 for authenticated tools", "Documented host system libraries"],
    "managed_entry": "Signed installation and authenticated fixed default demo",
    "typed_task_entry": "Trusted direct developer entry for supplied typed missions and changing workload",
    "version_replacement": "Manual side-by-side local workflow",
    "physical_deployment_qualified": false,
    "bootable_general_purpose_os": false,
    "hard_realtime_qualified": false,
    "hostile_host_security_qualified": false,
    "comparative_superiority_qualified": false
  },
  "timing": {
    "metric": "Recorded runtime action-boundary elapsed time",
    "population": "41 steps in one complete changing-obstacle A/B/A software mission",
    "planner": "common",
    "body": "first_order_straight_target_v1",
    "samples": 41,
    "median_ns": 6293916,
    "p95_nearest_rank_ns": 7040333,
    "max_ns": 16412583,
    "min_ns": 1465500,
    "budget_ns": 20000000,
    "samples_below_budget": 41,
    "p95_definition": "ceil(0.95 * 41) = 39th sorted sample",
    "scope_note": "Software action-boundary interval; not sensor-to-physical-motion latency, independent-trial population or a hard real-time guarantee.",
    "original_log_sha256": "4dc5e1a68c172cfd5ad075c58397b45c9a5a795591ac9d21ad164090d49116ed",
    "original_log_bytes": 7071904
  },
  "recovery": {
    "saved_versions": 26,
    "fresh_run_versions": 26,
    "recovered_historical_versions": 26,
    "independent_predicates_accepted": 8,
    "independent_predicates_total": 8,
    "wrong_pin_copy_refused": true,
    "truncated_copy_refused": true,
    "motion_authority_restored_from_history": false,
    "scope_note": "Declared bounded software save/readback workflow; does not qualify power-loss durability or arbitrary live-crash recovery."
  },
  "replay": {
    "scored_steps": 41,
    "candidate_slots": 1066,
    "independently_replayed_admitted_endpoints": 1048,
    "nominal_scalar_midpoint_steps": 152083,
    "score_input_hashes_verified": 41,
    "absolute_numerical_tolerance": 1e-12,
    "scope_note": "Conditional nominal scoring reconstruction, not an all-candidate geometry rerun or proof of physical tracking and continuous collision freedom."
  },
  "artifact": {
    "archive_name": "Sheaf-OS-local-AMR-MVP-v1.2-20261106.zip",
    "archive_bytes": 4367999,
    "archive_sha256": "84242480dc5e98178da2f259c0cc3930ead5cbf73224ece321c04ba0154aa9dc",
    "expanded_bytes": 13441145,
    "files": 45,
    "binary_bytes": 5561088,
    "binary_sha256": "61adabdb69e9f77d3d865191189e583c5aa2209f1c4de48090bbcbc16bd33674",
    "all_file_hashes_verified": true,
    "zip_crc_verified": true,
    "literal_extraction_verified": true,
    "file_modes_verified": true,
    "relocated_without_source_checkout_verified": true,
    "private_signing_key_distributed": false,
    "scope_note": "Release sizes exclude external dependencies and the host OS."
  },
  "mission": {
    "task": "Changing-obstacle A/B/A",
    "ordered_goals_completed": 3,
    "ordered_goals_total": 3,
    "acknowledged_steps": 41,
    "moving_acknowledged_steps": 25,
    "occupied_cell_update_occurrences": 48,
    "free_cell_update_occurrences": 5046,
    "transient_hit_rays": 7,
    "post_removal_free_rays_through_removed_box": 29,
    "occupied_memory_globally_cleared": false,
    "additional_relocated_missions": [{"task": "Default two-goal", "acknowledged_steps": 26}, {"task": "Supplied three-stop", "acknowledged_steps": 25}],
    "canonical_planner_arm_acknowledgments": {"common": 41, "fused": 39, "dwa": 39},
    "scope_note": "Software ray observations and software body; update occurrences are not unique physical objects. Planner counts do not establish a comparative performance winner."
  },
  "acceptance": {
    "functional_gates_closed": 9,
    "functional_gates_total": 9,
    "lifecycle_cases_accepted": 10,
    "original_lifecycle_cases_reused_and_reverified": 6,
    "remaining_lifecycle_cases_run": 4,
    "managed_interrupt_exit_code": 130,
    "owned_child_reaped": true,
    "focused_and_integration_controls_passed": 78,
    "independent_project_review": true,
    "external_certification": false,
    "original_failures_retained": true,
    "scope_note": "Acceptance is for the declared hosted software reference; independent review means separate project review and readback."
  },
  "architecture": {
    "layers": ["Perception", "Interconnect", "World model", "Proposal compute", "Trust and verification", "Actuation boundary"],
    "operating_loop": ["Versioned spatial state", "Typed proposal", "Explicit command authority", "Broker acknowledgment", "Exact evidence history"]
  },
  "expansion_direction": ["Aerial and other embodied profiles", "Hardware and driver conformance", "Enforced isolation", "Boot and update assurance", "Offline natural-language compilation", "Accelerator execution", "Validated few-shot transfer", "Stronger physics and matched performance comparisons"],
  "methodology": {
    "provenance": "Sanitized summary derived from retained project acceptance reports and original reference log; no new runtime benchmark was run to create this summary.",
    "evidence_documents": ["Final functional MVP acceptance", "Current303 core acceptance", "Current303 lifecycle acceptance", "Current303 exact history A-H readback", "Changing-workload canonical independent readback", "Current project state"],
    "negative_results": "Original unsuccessful attempts remain retained. A separate optional response experiment exceeded its deadline and is not included in the delivered-reference timing claim."
  }
}