{"event_id": "VE_CMP_DEMO_001_CR_A_v1_C_001", "evidence_tier": 2, "forensic_evidence": {"alignment_focused_ratio": 1.0, "cluster_count": 1, "coverage_fraction": 1.0, "coverage_ratio": 1.0, "covered_time_sec": 30.0, "density_ratio": 0.847, "density_self_ratio": 0.8471, "excess_gap_sec": 0.0, "excess_head_sec": 0.0, "excess_tail_sec": 0.0, "largest_interior_gap_sec": null, "match_count": 3350, "match_density_per_sec": 111.67, "matched_ref_intervals": [[0.0, 30.0]], "matched_reference_end_sec": 30.0, "matched_reference_start_sec": 0.0, "missing_head_sec": 0.0, "missing_tail_sec": 0.0, "observed_end_sec": 119.606, "observed_start_sec": 90.1515, "offset_mad_sec": 0.0, "offset_sec": 90.001, "ref_duration_sec": 30.0, "reference_id": "CR_A:v1", "self_coverage_fraction": 1.0}, "match_type": "full", "processing": {"aircheck_version": "0.6.0", "attributed_reference_id": "CR_A", "attributed_version": "v1", "classifier_thresholds": {"accusation_density_min": 0.35, "coverage_ratio_floor": 0.8, "head_tol_sec": 0.75, "interior_gap_tol_sec": 0.75, "min_evidence_matches": 30, "review_coverage_ratio_floor": 0.85, "tail_tol_sec": 0.75, "version_ratio_margin": 1.3}, "content_sha256": "d7ef2b08e089acb42b73d073b36f95149cbd6e49b5d1a22bcee67aa060353290", "engine": "aircheck-fingerprint", "fingerprint_config": {"fanout": 12, "fft_size": 1024, "freq_max_hz": 5000.0, "freq_min_hz": 100.0, "hop_size": 256, "peak_min_delta_db": 40.0, "peak_neighborhood_bins": 20, "peak_neighborhood_frames": 20, "sample_rate": 22050, "target_zone_span_sec": 1.5}, "rationale": "all evidence within full-playback margins (self-normalized)", "version_hash_overlap": {"v1": 3350, "v2": 12}}, "review": null, "timestamp": "2026-10-07T12:00:00+00:00"}
{"event_id": "VE_CMP_DEMO_001_CR_A_v1_C_002", "evidence_tier": 2, "forensic_evidence": {"alignment_focused_ratio": 1.0, "cluster_count": 1, "coverage_fraction": 0.8083, "coverage_ratio": 0.8083, "covered_time_sec": 24.25, "density_ratio": 0.9894, "density_self_ratio": 0.9894, "excess_gap_sec": 0.0, "excess_head_sec": 0.0, "excess_tail_sec": 5.75, "largest_interior_gap_sec": null, "match_count": 3163, "match_density_per_sec": 130.43, "matched_ref_intervals": [[0.0, 24.25]], "matched_reference_end_sec": 24.25, "matched_reference_start_sec": 0.0, "missing_head_sec": 0.0, "missing_tail_sec": 5.75, "observed_end_sec": 23.7772, "observed_start_sec": 0.1509, "offset_mad_sec": 0.0, "offset_sec": 0.0, "ref_duration_sec": 30.0, "reference_id": "CR_A:v1", "self_coverage_fraction": 1.0}, "match_type": "partial", "processing": {"aircheck_version": "0.6.0", "attributed_reference_id": "CR_A", "attributed_version": "v1", "classifier_thresholds": {"accusation_density_min": 0.35, "coverage_ratio_floor": 0.8, "head_tol_sec": 0.75, "interior_gap_tol_sec": 0.75, "min_evidence_matches": 30, "review_coverage_ratio_floor": 0.85, "tail_tol_sec": 0.75, "version_ratio_margin": 1.3}, "content_sha256": "4e5ba7541b816730011982f35310a0b1141055c56520d1a1e5aff2428a922cec", "engine": "aircheck-fingerprint", "fingerprint_config": {"fanout": 12, "fft_size": 1024, "freq_max_hz": 5000.0, "freq_min_hz": 100.0, "hop_size": 256, "peak_min_delta_db": 40.0, "peak_neighborhood_bins": 20, "peak_neighborhood_frames": 20, "sample_rate": 22050, "target_zone_span_sec": 1.5}, "rationale": "partial playback: excess_tail=5.75s", "version_hash_overlap": {"v1": 3163, "v2": 12}}, "review": null, "timestamp": "2026-10-07T12:00:00+00:00"}
{"event_id": "VE_CMP_DEMO_001_CR_A_v1_C_003", "evidence_tier": 2, "forensic_evidence": {}, "match_type": "version_mismatch", "processing": {"aircheck_version": "0.6.0", "attributed_reference_id": "CR_A", "attributed_version": "v2", "classifier_thresholds": {"accusation_density_min": 0.35, "coverage_ratio_floor": 0.8, "head_tol_sec": 0.75, "interior_gap_tol_sec": 0.75, "min_evidence_matches": 30, "review_coverage_ratio_floor": 0.85, "tail_tol_sec": 0.75, "version_ratio_margin": 1.3}, "content_sha256": "7c1e34d6e3bbabcd07f60f00ec0e32b34dcd0fb93db64713101b24a335eb58c8", "engine": "aircheck-fingerprint", "fingerprint_config": {"fanout": 12, "fft_size": 1024, "freq_max_hz": 5000.0, "freq_min_hz": 100.0, "hop_size": 256, "peak_min_delta_db": 40.0, "peak_neighborhood_bins": 20, "peak_neighborhood_frames": 20, "sample_rate": 22050, "target_zone_span_sec": 1.5}, "rationale": "expected CR_A:v1 not matched; same-campaign CR_A:v2 (v2) outranks all candidates", "version_hash_overlap": {}}, "review": null, "timestamp": "2026-10-07T12:00:00+00:00"}
{"event_id": "VE_CMP_DEMO_001_CR_A_v1_C_004", "evidence_tier": 2, "forensic_evidence": {}, "match_type": "not_detected", "processing": {"aircheck_version": "0.6.0", "attributed_reference_id": null, "attributed_version": null, "classifier_thresholds": {"accusation_density_min": 0.35, "coverage_ratio_floor": 0.8, "head_tol_sec": 0.75, "interior_gap_tol_sec": 0.75, "min_evidence_matches": 30, "review_coverage_ratio_floor": 0.85, "tail_tol_sec": 0.75, "version_ratio_margin": 1.3}, "content_sha256": "4e81d4521b480aebfbd3a3b7a9f3a9e69038ef63099846a18c1560e2b886568d", "engine": "aircheck-fingerprint", "fingerprint_config": {"fanout": 12, "fft_size": 1024, "freq_max_hz": 5000.0, "freq_min_hz": 100.0, "hop_size": 256, "peak_min_delta_db": 40.0, "peak_neighborhood_bins": 20, "peak_neighborhood_frames": 20, "sample_rate": 22050, "target_zone_span_sec": 1.5}, "rationale": "no candidate reached the claim threshold", "version_hash_overlap": {}}, "review": null, "timestamp": "2026-10-07T12:00:00+00:00"}
{"event_id": "VE_CMP_DEMO_001_CR_A_v2_C_005", "evidence_tier": 2, "forensic_evidence": {"alignment_focused_ratio": 1.0, "cluster_count": 1, "coverage_fraction": 0.9917, "coverage_ratio": 1.0, "covered_time_sec": 29.75, "density_ratio": 1.0084, "density_self_ratio": 1.0, "excess_gap_sec": 0.0, "excess_head_sec": 0.0, "excess_tail_sec": 0.0, "largest_interior_gap_sec": null, "match_count": 3442, "match_density_per_sec": 115.7, "matched_ref_intervals": [[0.25, 30.0]], "matched_reference_end_sec": 30.0, "matched_reference_start_sec": 0.25, "missing_head_sec": 0.25, "missing_tail_sec": 0.0, "observed_end_sec": 29.6519, "observed_start_sec": 0.267, "offset_mad_sec": 0.0, "offset_sec": 0.0, "ref_duration_sec": 30.0, "reference_id": "CR_A:v2", "self_coverage_fraction": 0.9917}, "match_type": "full", "processing": {"aircheck_version": "0.6.0", "attributed_reference_id": "CR_A", "attributed_version": "v2", "classifier_thresholds": {"accusation_density_min": 0.35, "coverage_ratio_floor": 0.8, "head_tol_sec": 0.75, "interior_gap_tol_sec": 0.75, "min_evidence_matches": 30, "review_coverage_ratio_floor": 0.85, "tail_tol_sec": 0.75, "version_ratio_margin": 1.3}, "content_sha256": "7c1e34d6e3bbabcd07f60f00ec0e32b34dcd0fb93db64713101b24a335eb58c8", "engine": "aircheck-fingerprint", "fingerprint_config": {"fanout": 12, "fft_size": 1024, "freq_max_hz": 5000.0, "freq_min_hz": 100.0, "hop_size": 256, "peak_min_delta_db": 40.0, "peak_neighborhood_bins": 20, "peak_neighborhood_frames": 20, "sample_rate": 22050, "target_zone_span_sec": 1.5}, "rationale": "all evidence within full-playback margins (self-normalized)", "version_hash_overlap": {"v1": 11, "v2": 3442}}, "review": null, "timestamp": "2026-10-07T12:00:00+00:00"}