{
  "schema": "engrammatic-research-evidence-v1",
  "experiment": "qwen-hdc-operator-mesh",
  "evidence_revision": 5,
  "status": "all_64_held_out_gates_passed_closed",
  "updates": [
    {"revision": 5, "kind": "held_out_quality_passed_closed", "summary": "Both frozen all-64 held-out gates pass: known-test491/512, KL0.0059444018711222665; fresh-test125/128, KL0.0060130523131171065. Final states and score aggregates independently checked; 2811 recovery files verified; cloud instance terminated."},
    {"revision": 4, "kind": "execution_freeze_verified", "summary": "All 64 base receipts and correction archives match origin; first-four integer fixture exact; execution freeze independently checked and held-out workers started. No held-out quality score yet."},
    {"revision": 3, "kind": "verified_preparation", "summary": "A10 saved-state head report repeats exactly; selected endpoints and 22 rebuilt base receipts checked. Held-out trajectory pending."},
    {"revision": 2, "kind": "policy_and_launch", "summary": "Frozen endpoint selection policy locally verified with 55 tests; one continuation launched within the same cumulative cap."},
    {"revision": 1, "kind": "historical_failure_closed", "summary": "Saved-state head succeeded, strict native-reference equality failed, previous run closed before base rebuild or held-out execution."}
  ],
  "current_run": {
    "platform": "Lambda A10",
    "active_allocations_in_scope": 0,
    "prior_allocations_closed": 8,
    "total_allocations_closed": 9,
    "current_allocation_provider_absence_verified": true,
    "scoped_controllers_retired": true,
    "recovered_publication_files_verified": 2811,
    "uploaded_inputs_rehashed": 352,
    "selected_endpoints_checked_against_origin": 8,
    "rebuilt_base_receipts_checked_against_origin": 64,
    "large_base_payloads_independently_rehashed_on_host": false,
    "saved_state_head_report_matches_previous_bytes": true,
    "execution_freeze_reached_at_snapshot": true,
    "held_out_student_execution_reached_at_snapshot": true,
    "independent_guard_verified": true,
    "guard_requires_supervising_mac_and_network": true
  },
  "execution_freeze_audit": {
    "original_payload_records_unchanged": 107186,
    "original_source_files_unchanged": 276,
    "approved_added_source_files": 5,
    "correction_archives_byte_exact": 64,
    "replayed_fixture_layers": [0, 1, 2, 3],
    "fixture_tokens_per_layer": 8,
    "fixture_width": 5120,
    "integer_fixture_values_compared": 163840,
    "integer_fixture_mismatches": 0,
    "native_reference_policy_and_selection_bound": true,
    "observed_worker_stage": "test-layer00-worker7",
    "large_base_bytes_independently_rehashed_on_host": false,
    "full_64_trajectory_independently_replayed_on_host": false
  },
  "reference_policy": {
    "name": "frozen-native-endpoints-v1",
    "authoritative": "Original archived h0 and h64 endpoints for all four splits",
    "fresh_h0_must_match_exactly": true,
    "fresh_h64_and_intermediate_states": "diagnostic_only",
    "fresh_endpoints_preserved_separately": true,
    "policy_and_selection_binding_required_for_execution_freeze": true,
    "local_focused_tests_passed": 55,
    "real_previous_mismatch_replay_passed_new_policy": true,
    "historical_strict_reproduction_gate_still_fails_on_that_fixture": true,
    "original_model_payload_and_quality_thresholds_unchanged": true,
    "refitting_allowed": false
  },
  "model": {
    "checkpoint": "mlx-community/Qwen3.8-27B-4bit",
    "revision": "3e6447f082e89cc7f0bc6e5441afd38dfce760ff",
    "hidden_width": 5120,
    "text_blocks": 64,
    "linear_attention_blocks": 48,
    "full_attention_blocks": 16,
    "excluded_native_components": ["token_embedding", "final_rms_norm", "vocabulary_head"]
  },
  "results": {
    "all_64_saved_state_validation_a10_head": {
      "agreement_numerator": 124,
      "agreement_denominator": 128,
      "agreement": 0.96875,
      "mean_kl": 0.007514155119864974,
      "sequences": 16,
      "scored_positions_per_sequence": 8,
      "selection_set": true,
      "fresh_student_trajectory_in_this_head_check": false,
      "held_out_acceptance": false,
      "fitting_after_diagnostic": false
    },
    "first_four_blocks_held_out": {
      "agreement_numerator": 493,
      "agreement_denominator": 512,
      "agreement": 0.962890625,
      "mean_kl": 0.00448742755617676,
      "native_transformer_tail_blocks": 60
    },
    "all_64_validation_hidden_state": {
      "update_relative_l2": 0.0847007013210726,
      "tokens": 512,
      "selection_set": true
    },
    "all_64_held_out": {
      "trajectory_started": true,
      "completed": true,
      "both_split_quality_gates_passed": true,
      "transformer_blocks_replaced": 64,
      "native_transformer_calls_for_candidate": 0,
      "held_out_refitting": false,
      "known_test": {
        "agreement_numerator": 491,
        "agreement_denominator": 512,
        "agreement": 0.958984375,
        "mean_kl": 0.0059444018711222665,
        "sequences": 64,
        "maximum_tokens": 64,
        "output_quality_gate": true,
        "independent_update_relative_l2": 0.09711901889400619
      },
      "fresh_test": {
        "agreement_numerator": 125,
        "agreement_denominator": 128,
        "agreement": 0.9765625,
        "mean_kl": 0.0060130523131171065,
        "sequences": 16,
        "maximum_tokens": 64,
        "article_disjoint_from_prior_corpora": true,
        "output_quality_gate": true,
        "independent_update_relative_l2": 0.09459522488509757
      }
    }
  },
  "previous_run_blocker": {
    "gate": "exact_native_reference_reproduction",
    "affected_endpoint": "validation_h64",
    "sequence_index_zero_based": 15,
    "positions_zero_based": [24, 25, 26, 27, 28, 29, 30, 31],
    "changed_valid_values": 33712,
    "total_valid_values": 2621440,
    "maximum_absolute_difference": 2.5,
    "relative_l2": 0.001259757934334714,
    "specific_cause": "unknown",
    "all_h0_endpoints_exact": true,
    "h64_train_known_test_fresh_test_exact": true,
    "gate_relaxed": false,
    "base_rebuild_reached": false,
    "held_out_student_execution_reached": false
  },
  "held_out_protocol": {
    "known_test": {"sequences": 64, "maximum_tokens": 64, "scored_positions": 512},
    "fresh_test": {"sequences": 16, "maximum_tokens": 64, "scored_positions": 128, "article_disjoint_from_prior_corpora": true},
    "per_split_minimum_agreement": 0.95,
    "per_split_maximum_mean_kl": 0.05,
    "held_out_fitting_allowed": false
  },
  "retained_evidence_sha256": {
    "original_model_frozen": "6ab97d38fbf61e0230b59916030ac35784b9fea7210a6185091620183c001641",
    "a10_head_validation_result": "1a6294a6bf124aa926ddbdd20399ecc7b093c098912a532bed69120d2e6fd16d",
    "independent_head_verification": "ed9f9b5cb309345d7350aac956091dde7d5b96e47abca44df7a4935731a943d4",
    "native_endpoint_reproduction_diagnostic": "9e88889f53c1f0d3a50c8c1ead209a4aedd724da196023ee3fe06d45bfc84c6d",
    "frozen_native_endpoint_policy": "698e29f7fc754adf690c5ea6a518e43539f39bb2472236c1a3e52d726841a1fd",
    "real_mismatch_replay": "9673118878971983b02613a75eeab0833fe275b3010356d31cd389f5c7656021",
    "selected_endpoint_receipt": "e6986daa145f628b6928827b05f24c7010e82a45dc5f209d119839bc3f29196d",
    "continuation_read_only_audit": "aeee19c6afb54bb5ecd16fcbe3480cfc527b907fef5cb4c128670151184341d1",
    "continuation_execution_freeze": "3ea634f6c3f40fb01fdcf1e2e4903042f49563249ec4cd051db898f2dcf5a8e8",
    "independent_execution_freeze_audit": "c8242023adb762d4bb38217adff3902ffd5f8c87b982608991fbc39b6dd0dc47",
    "all_64_known_test_result": "543b0047c90e74aaf1a0e63292af9ae550902a84cc84f5a1d6b142c03eed477d",
    "all_64_fresh_test_result": "677b4940e427f64724990e529b2d0e44440897cdd0b60d1f83e6dd3f0a50edf3",
    "independent_final_results_audit": "768ba96e49dd2503580a0f3a3f11b841e342a948cd94a4432d267f166a55a8d0",
    "final_states_archive": "836e39b04ce1164c474aa1684843d1075ea1d73afb99c3a9494ccea0e4ae5d3c",
    "completion_marker": "275357cdad53d961aaf989388818bb435256dc0d2d359de1c3537fc20a4ee5ba"
  },
  "artifact_state": {
    "correction_archives_preserved": 64,
    "frozen_payload_manifests_preserved": true,
    "saved_training_validation_final_states_preserved": true,
    "final_held_out_states_preserved": true,
    "final_states_archive_bytes": 438196265,
    "final_states_archived_before_head_scoring": true,
    "large_compiled_bases_retained_locally": false,
    "rebuild_and_hash_verification_required": true,
    "current_guest_rebuild_and_hash_gate_completed": true,
    "host_base_receipts_match_origin": true
  },
  "not_established": ["broad_or_long_context_generalization", "task_accuracy", "generation_quality", "matched_quality_fusion", "full_model_compression", "speedup", "complete_fpga_inference"],
  "audit_scope": "Independent checks bind fixture hashes, recovered states, score-row aggregates, execution freeze, unchanged payload records and sources, base receipts, correction archives, exact first-four integer fixtures and selected native endpoints. They do not independently recompute all head logits, locally rehash large base payload bytes or replay the all-64 held-out chain.",
  "publication_scope": "Sanitized summary of retained internal evidence, not a public replication package. Agreement is with the teacher, not ground-truth task accuracy."
}