{ "repo_id": "gnumanth/nullspan", "backbone": "ahotrod/electra_large_discriminator_squad2_512", "params_m": 344.22, "max_length": 512, "device": "Tesla V100-SXM2-16GB", "train_seconds": 1439.16, "epochs": 8, "train_samples": 8290, "cal_dev_samples": 720, "calibration": { "null_bias_delta": 5.9, "null_temperature": 0.7, "span_temperature": 1.2, "qa_null_bias": 0.0, "qa_null_scale": 0.22 }, "val_metrics": { "null_accuracy": 96.94, "null_auroc": 0.99273, "null_ece": 0.01553, "null_brier_score": 0.02711, "span_exact_match": 87.82, "op_accuracy": 100.0, "list_bio_token_accuracy": 100.0, "quantile_mae_norm": 0.0007, "quantile_pinball_loss": 0.0001 }, "canonical_eval": { "canonical_field_accuracy": 100.0, "adversarial_stress_accuracy": 100.0, "sealed_squad_v2_accuracy": 83.33, "sealed_contracts_accuracy": 97.92, "invariant_verification_accuracy": 100.0, "mean_doc_latency_ms": 108.06, "examples": { "nullspan_incident_postmortem": { "latency_ms": 171.14, "num_fields": 10, "invariants_passed": true, "answers": { "reporter": { "type": "text", "p_null": 0.0, "span": [ 276, 280 ], "guess": "Mira", "confidence": 0.999999, "span_entropy_bits": 0.0, "value": "Mira" }, "incident_id": { "type": "text", "p_null": 0.0, "span": [ 9, 18 ], "guess": "INC-40928", "confidence": 0.999999, "span_entropy_bits": 0.0, "value": "INC-40928" }, "opened_on": { "type": "date", "p_null": 0.0, "span": [ 29, 41 ], "guess": "2026-04-12", "confidence": 0.999999, "span_entropy_bits": 0.0, "value": "2026-04-12" }, "total_credit": { "type": "number", "p_null": 0.0, "span": [ 109, 130 ], "guess": 1550.75, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": 1550.75 }, "outage_days": { "type": "duration", "p_null": 0.0, "unit": "days", "span": [ 29, 41 ], "guess": 7, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": 7 }, "failure_modes": { "type": "list", "value": [ "502 Bad Gateway errors", "TLS handshake timeouts" ], "spans": [ [ 49, 71 ], [ 78, 100 ] ], "confidence": 0.999999, "span_entropy_bits": 0.0 }, "severity": { "type": "enum", "p_null": 0.0, "span": [ 155, 160 ], "options": [ "sev-1", "sev-2", "sev-3" ], "probs": { "sev-1": 0.999999, "sev-2": 1e-06, "sev-3": 1e-06 }, "guess": "sev-1", "confidence": 0.999999, "span_entropy_bits": 0.0, "value": "sev-1" }, "data_loss": { "type": "boolean", "p_null": 0.0, "p_true": 1e-06, "span": [ 188, 193 ], "guess": false, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": false }, "cve_id": { "type": "text", "p_null": 1.0, "span": [ 109, 117 ], "guess": "$1240.50", "confidence": 0.999999, "span_entropy_bits": 2.2523, "value": null, "abstention_reason": "unassigned_placeholder" }, "remediation_cost": { "type": "estimate", "value": 1890, "median": 1870, "p10": 1270, "p90": 2660, "p_below": 0.0, "p_above": 0.0, "confidence": 0.999999 } } }, "nullspan_gpu_invoice": { "latency_ms": 129.52, "num_fields": 9, "invariants_passed": true, "answers": { "provider": { "type": "text", "p_null": 0.0, "span": [ 13, 29 ], "guess": "TensorCore Cloud", "confidence": 0.999999, "span_entropy_bits": 0.0, "value": "TensorCore Cloud" }, "invoice_number": { "type": "number", "p_null": 0.0, "span": [ 39, 44 ], "guess": 88310, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": 88310 }, "issued_at": { "type": "datetime", "p_null": 0.0, "span": [ 55, 71 ], "guess": "2026-08-14T18:20:00", "confidence": 0.999999, "span_entropy_bits": 0.0, "value": "2026-08-14T18:20:00" }, "nodes": { "type": "number", "p_null": 0.0, "span": [ 79, 80 ], "guess": 4, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": 4 }, "hourly_rate": { "type": "number", "p_null": 0.0, "span": [ 84, 88 ], "guess": 3.5, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": 3.5 }, "subtotal": { "type": "number", "p_null": 0.0, "span": [ 105, 110 ], "guess": 14, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": 14, "verified": true }, "egress_fee": { "type": "number", "p_null": 0.0, "span": [ 124, 128 ], "guess": 0, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": 0 }, "priority_surcharge": { "type": "number", "p_null": 0.0, "span": [ 150, 154 ], "guess": 1.75, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": 1.75 }, "promo_rebate": { "type": "number", "p_null": 0.996, "span": [ 39, 44 ], "guess": 88310, "confidence": 0.996, "span_entropy_bits": 0.18, "abstention_reason": "missing_field", "value": null } } }, "nullspan_cluster_comps": { "latency_ms": 54.41, "num_fields": 1, "invariants_passed": true, "answers": { "tokens_per_sec": { "type": "estimate", "value": 23200, "median": 23000, "p10": 20400, "p90": 26200, "p_below": 0.0, "p_above": 0.0, "confidence": 0.999762 } } }, "nullspan_edge_forecast": { "latency_ms": 77.16, "num_fields": 1, "invariants_passed": true, "answers": { "requests": { "type": "forecast", "value": [ 2416983 ], "median": [ 2419497 ], "p10": [ 2262466 ], "p90": [ 2560198 ], "confidence": 0.999999 } } } }, "adversarial_examples": { "adv_prompt_injection_and_decoy_id": { "latency_ms": 86.74, "num_fields": 4, "invariants_passed": true, "answers": { "incident_id": { "type": "text", "p_null": 0.0, "span": [ 9, 18 ], "guess": "INC-77401", "confidence": 0.999999, "span_entropy_bits": 0.0, "value": "INC-77401" }, "cve_id": { "type": "text", "p_null": 1.0, "span": [ 103, 110 ], "guess": "$900.00", "confidence": 0.999999, "span_entropy_bits": 0.5024, "value": null, "abstention_reason": "unassigned_placeholder" }, "total_credit": { "type": "number", "p_null": 0.0, "span": [ 103, 123 ], "guess": 1080, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": 1080 }, "data_loss": { "type": "boolean", "p_null": 0.0, "p_true": 1e-06, "span": [ 181, 186 ], "guess": false, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": false } } }, "adv_negated_rebate_and_invariant": { "latency_ms": 61.82, "num_fields": 4, "invariants_passed": true, "answers": { "nodes": { "type": "number", "p_null": 0.0, "span": [ 77, 78 ], "guess": 6, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": 6 }, "hourly_rate": { "type": "number", "p_null": 0.0, "span": [ 82, 87 ], "guess": 12.5, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": 12.5 }, "subtotal": { "type": "number", "p_null": 0.0, "span": [ 104, 109 ], "guess": 75, "confidence": 0.999999, "span_entropy_bits": 0.0, "value": 75, "verified": true }, "promo_rebate": { "type": "number", "p_null": 0.996, "span": [ 37, 42 ], "guess": 55190, "confidence": 0.996, "span_entropy_bits": 0.18, "abstention_reason": "missing_field", "value": null } } } } }, "history": [ { "epoch": 1, "train_loss": 5.062, "composite_dev": 91.31, "null_accuracy": 96.81, "null_auroc": 0.98847, "null_ece": 0.02311, "null_brier_score": 0.02888, "span_exact_match": 86.23, "op_accuracy": 82.92, "list_bio_token_accuracy": 98.73, "quantile_mae_norm": 0.0065, "quantile_pinball_loss": 0.0013 }, { "epoch": 2, "train_loss": 0.9522, "composite_dev": 94.01, "null_accuracy": 96.81, "null_auroc": 0.99043, "null_ece": 0.02436, "null_brier_score": 0.02882, "span_exact_match": 87.82, "op_accuracy": 96.67, "list_bio_token_accuracy": 99.29, "quantile_mae_norm": 0.002, "quantile_pinball_loss": 0.0009 }, { "epoch": 3, "train_loss": 0.4912, "composite_dev": 94.09, "null_accuracy": 96.81, "null_auroc": 0.99233, "null_ece": 0.02481, "null_brier_score": 0.02899, "span_exact_match": 87.82, "op_accuracy": 100.0, "list_bio_token_accuracy": 96.47, "quantile_mae_norm": 0.0009, "quantile_pinball_loss": 0.0002 }, { "epoch": 4, "train_loss": 0.3236, "composite_dev": 94.2, "null_accuracy": 96.81, "null_auroc": 0.99127, "null_ece": 0.0244, "null_brier_score": 0.02882, "span_exact_match": 87.82, "op_accuracy": 100.0, "list_bio_token_accuracy": 97.18, "quantile_mae_norm": 0.0013, "quantile_pinball_loss": 0.0002 }, { "epoch": 5, "train_loss": 0.2512, "composite_dev": 94.62, "null_accuracy": 96.81, "null_auroc": 0.99255, "null_ece": 0.02432, "null_brier_score": 0.02866, "span_exact_match": 87.82, "op_accuracy": 100.0, "list_bio_token_accuracy": 100.0, "quantile_mae_norm": 0.0011, "quantile_pinball_loss": 0.0002 }, { "epoch": 6, "train_loss": 0.1666, "composite_dev": 94.62, "null_accuracy": 96.81, "null_auroc": 0.99245, "null_ece": 0.02437, "null_brier_score": 0.02876, "span_exact_match": 87.82, "op_accuracy": 100.0, "list_bio_token_accuracy": 100.0, "quantile_mae_norm": 0.0007, "quantile_pinball_loss": 0.0001 }, { "epoch": 7, "train_loss": 0.1201, "composite_dev": 94.62, "null_accuracy": 96.81, "null_auroc": 0.99225, "null_ece": 0.02439, "null_brier_score": 0.0288, "span_exact_match": 87.82, "op_accuracy": 100.0, "list_bio_token_accuracy": 100.0, "quantile_mae_norm": 0.0007, "quantile_pinball_loss": 0.0001 }, { "epoch": 8, "train_loss": 0.0938, "composite_dev": 94.62, "null_accuracy": 96.81, "null_auroc": 0.99204, "null_ece": 0.02439, "null_brier_score": 0.02881, "span_exact_match": 87.82, "op_accuracy": 100.0, "list_bio_token_accuracy": 100.0, "quantile_mae_norm": 0.0007, "quantile_pinball_loss": 0.0001 } ] }