{ "tool_id": "art-589-redline-round-classifier", "note": "golden_hash filled by golden-parity.test.mjs --update; output_payload verified against kernel compute() directly. base_2round_all_five_states exercises all five classification states (ACCEPTED/REVERTED/MODIFIED/NEW/DELETED) in one round. round1_root/round2_linked/round3_reverted_to_baseline are a genuine 3-round hash chain (round2_linked declares round1_root's real execution_hash as prior_round_digest; round3 declares round2's) -- see art-589's own kernel test harness output for the tamper-detection proof (a tampered round2 output_payload recomputes to a different hash than round3 declared, and verifyRoundChain() reports valid:false, break_at_index:1). The remaining vectors cover the INDETERMINATE guard paths: no segments declared, round number missing, round>1 with no/malformed prior digest declared, round 1 wrongly declaring a prior digest, and a segment missing its required segment_id (rejected, not silently dropped).", "vectors": [ { "name": "base_2round_all_five_states", "description": "One round comparison exercising ACCEPTED (S1, prior text carried forward unchanged), REVERTED (S2, current text matches baseline after having been modified in the prior round), MODIFIED (S3, a further edit beyond both baseline and prior), NEW (S4, no prior text declared), and DELETED (S5, no current text declared).", "policy_parameters": { "document_id": "msa-2026-acme", "round": { "number": 2, "label": "Round 2" }, "prior_round_digest": "1111111111111111111111111111111111111111111111111111111111111111", "segments": [ { "segment_id": "S1-payment-terms", "baseline_text": "Payment is due within 30 days of invoice.", "prior_text": "Payment is due within 45 days of invoice.", "current_text": "Payment is due within 45 days of invoice." }, { "segment_id": "S2-liability-cap", "baseline_text": "Liability is capped at fees paid in the prior 12 months.", "prior_text": "Liability is capped at 2x fees paid in the prior 12 months.", "current_text": "Liability is capped at fees paid in the prior 12 months." }, { "segment_id": "S3-termination", "baseline_text": "Either party may terminate for convenience on 30 days notice.", "prior_text": "Either party may terminate for convenience on 60 days notice.", "current_text": "Either party may terminate for convenience on 90 days notice with written approval." }, { "segment_id": "S4-data-processing", "baseline_text": null, "prior_text": null, "current_text": "Vendor will process personal data only as instructed by Customer." }, { "segment_id": "S5-arbitration", "baseline_text": "Disputes are resolved by binding arbitration in Delaware.", "prior_text": "Disputes are resolved by binding arbitration in Delaware.", "current_text": null } ] }, "output_payload": { "verdict": "CLASSIFIED", "reason": null, "round_summary": { "document_id": "msa-2026-acme", "round_number": 2, "round_label": "Round 2", "total_segments": 5, "changed_count": 4, "accepted_count": 1, "reverted_count": 1, "modified_count": 1, "new_count": 1, "deleted_count": 1 }, "round_chain": { "round_number": 2, "prior_round_digest": "1111111111111111111111111111111111111111111111111111111111111111", "status": "LINKED" }, "classifications": [ { "segment_id": "S1-payment-terms", "classification": "ACCEPTED", "baseline_text": "Payment is due within 30 days of invoice.", "prior_text": "Payment is due within 45 days of invoice.", "current_text": "Payment is due within 45 days of invoice.", "changed": false }, { "segment_id": "S2-liability-cap", "classification": "REVERTED", "baseline_text": "Liability is capped at fees paid in the prior 12 months.", "prior_text": "Liability is capped at 2x fees paid in the prior 12 months.", "current_text": "Liability is capped at fees paid in the prior 12 months.", "changed": true, "diff": [ { "op": "equal", "text": "Liability is capped at " }, { "op": "delete", "text": "2x " }, { "op": "equal", "text": "fees paid in the prior 12 months." } ] }, { "segment_id": "S3-termination", "classification": "MODIFIED", "baseline_text": "Either party may terminate for convenience on 30 days notice.", "prior_text": "Either party may terminate for convenience on 60 days notice.", "current_text": "Either party may terminate for convenience on 90 days notice with written approval.", "changed": true, "diff": [ { "op": "equal", "text": "Either party may terminate for convenience on " }, { "op": "delete", "text": "60" }, { "op": "insert", "text": "90" }, { "op": "equal", "text": " days " }, { "op": "delete", "text": "notice." }, { "op": "insert", "text": "notice with written approval." } ] }, { "segment_id": "S4-data-processing", "classification": "NEW", "baseline_text": null, "prior_text": null, "current_text": "Vendor will process personal data only as instructed by Customer.", "changed": true, "diff": [ { "op": "insert", "text": "Vendor will process personal data only as instructed by Customer." } ] }, { "segment_id": "S5-arbitration", "classification": "DELETED", "baseline_text": "Disputes are resolved by binding arbitration in Delaware.", "prior_text": "Disputes are resolved by binding arbitration in Delaware.", "current_text": null, "changed": true, "diff": [ { "op": "delete", "text": "Disputes are resolved by binding arbitration in Delaware." } ] } ], "diff_transcript": [ { "segment_id": "S2-liability-cap", "classification": "REVERTED", "diff": [ { "op": "equal", "text": "Liability is capped at " }, { "op": "delete", "text": "2x " }, { "op": "equal", "text": "fees paid in the prior 12 months." } ] }, { "segment_id": "S3-termination", "classification": "MODIFIED", "diff": [ { "op": "equal", "text": "Either party may terminate for convenience on " }, { "op": "delete", "text": "60" }, { "op": "insert", "text": "90" }, { "op": "equal", "text": " days " }, { "op": "delete", "text": "notice." }, { "op": "insert", "text": "notice with written approval." } ] }, { "segment_id": "S4-data-processing", "classification": "NEW", "diff": [ { "op": "insert", "text": "Vendor will process personal data only as instructed by Customer." } ] }, { "segment_id": "S5-arbitration", "classification": "DELETED", "diff": [ { "op": "delete", "text": "Disputes are resolved by binding arbitration in Delaware." } ] } ], "rejected_inputs": [], "scope_note": "Classifies the TYPE of change per declared segment only (ACCEPTED, REVERTED, MODIFIED, NEW, DELETED). Never scores or evaluates the negotiating position of either side; not legal advice.", "attribution_note": "Five-state enum (ACCEPTED/REVERTED/MODIFIED/NEW/DELETED) extends the four-state classification used by eigenlegal/counsel-os diff_rounds.py (MIT license), design-borrow only. That file was not read; no code was ported from it." }, "golden_hash": "b5afce38311206264cfb00f63369b3879a6f9dad0a9bd2826df6e98640aa24b2" }, { "name": "round1_root", "description": "First round of a 3-round hash chain, both segments NEW (no baseline document exists yet). No prior_round_digest declared, chain root. This artifact's own execution_hash is what round2_linked declares as its prior_round_digest.", "policy_parameters": { "document_id": "nda-2026-globex", "round": { "number": 1, "label": "Round 1" }, "prior_round_digest": null, "segments": [ { "segment_id": "C1-confidentiality", "baseline_text": null, "prior_text": null, "current_text": "Confidential information may be retained for 3 years after termination." }, { "segment_id": "C2-governing-law", "baseline_text": null, "prior_text": null, "current_text": "This agreement is governed by the laws of New York." } ] }, "output_payload": { "verdict": "CLASSIFIED", "reason": null, "round_summary": { "document_id": "nda-2026-globex", "round_number": 1, "round_label": "Round 1", "total_segments": 2, "changed_count": 2, "accepted_count": 0, "reverted_count": 0, "modified_count": 0, "new_count": 2, "deleted_count": 0 }, "round_chain": { "round_number": 1, "prior_round_digest": null, "status": "ROOT" }, "classifications": [ { "segment_id": "C1-confidentiality", "classification": "NEW", "baseline_text": null, "prior_text": null, "current_text": "Confidential information may be retained for 3 years after termination.", "changed": true, "diff": [ { "op": "insert", "text": "Confidential information may be retained for 3 years after termination." } ] }, { "segment_id": "C2-governing-law", "classification": "NEW", "baseline_text": null, "prior_text": null, "current_text": "This agreement is governed by the laws of New York.", "changed": true, "diff": [ { "op": "insert", "text": "This agreement is governed by the laws of New York." } ] } ], "diff_transcript": [ { "segment_id": "C1-confidentiality", "classification": "NEW", "diff": [ { "op": "insert", "text": "Confidential information may be retained for 3 years after termination." } ] }, { "segment_id": "C2-governing-law", "classification": "NEW", "diff": [ { "op": "insert", "text": "This agreement is governed by the laws of New York." } ] } ], "rejected_inputs": [], "scope_note": "Classifies the TYPE of change per declared segment only (ACCEPTED, REVERTED, MODIFIED, NEW, DELETED). Never scores or evaluates the negotiating position of either side; not legal advice.", "attribution_note": "Five-state enum (ACCEPTED/REVERTED/MODIFIED/NEW/DELETED) extends the four-state classification used by eigenlegal/counsel-os diff_rounds.py (MIT license), design-borrow only. That file was not read; no code was ported from it." }, "golden_hash": "971b3b5d7eb1a26454f69526eb6f9383e1341f5bc355db9e662d45bd78a11ad1" }, { "name": "round2_linked", "description": "Second round of the chain. prior_round_digest is the REAL execution_hash of round1_root's own {policy_parameters, output_payload} above -- verifiable by recomputing executionHash() over round1_root's vector and comparing to this vector's policy_parameters.prior_round_digest.", "policy_parameters": { "document_id": "nda-2026-globex", "round": { "number": 2, "label": "Round 2" }, "prior_round_digest": "971b3b5d7eb1a26454f69526eb6f9383e1341f5bc355db9e662d45bd78a11ad1", "segments": [ { "segment_id": "C1-confidentiality", "baseline_text": "Confidential information may be retained for 3 years after termination.", "prior_text": "Confidential information may be retained for 3 years after termination.", "current_text": "Confidential information may be retained for 1 year after termination." }, { "segment_id": "C2-governing-law", "baseline_text": "This agreement is governed by the laws of New York.", "prior_text": "This agreement is governed by the laws of New York.", "current_text": "This agreement is governed by the laws of New York." } ] }, "output_payload": { "verdict": "CLASSIFIED", "reason": null, "round_summary": { "document_id": "nda-2026-globex", "round_number": 2, "round_label": "Round 2", "total_segments": 2, "changed_count": 1, "accepted_count": 1, "reverted_count": 0, "modified_count": 1, "new_count": 0, "deleted_count": 0 }, "round_chain": { "round_number": 2, "prior_round_digest": "971b3b5d7eb1a26454f69526eb6f9383e1341f5bc355db9e662d45bd78a11ad1", "status": "LINKED" }, "classifications": [ { "segment_id": "C1-confidentiality", "classification": "MODIFIED", "baseline_text": "Confidential information may be retained for 3 years after termination.", "prior_text": "Confidential information may be retained for 3 years after termination.", "current_text": "Confidential information may be retained for 1 year after termination.", "changed": true, "diff": [ { "op": "equal", "text": "Confidential information may be retained for " }, { "op": "delete", "text": "3" }, { "op": "insert", "text": "1" }, { "op": "equal", "text": " " }, { "op": "delete", "text": "years" }, { "op": "insert", "text": "year" }, { "op": "equal", "text": " after termination." } ] }, { "segment_id": "C2-governing-law", "classification": "ACCEPTED", "baseline_text": "This agreement is governed by the laws of New York.", "prior_text": "This agreement is governed by the laws of New York.", "current_text": "This agreement is governed by the laws of New York.", "changed": false } ], "diff_transcript": [ { "segment_id": "C1-confidentiality", "classification": "MODIFIED", "diff": [ { "op": "equal", "text": "Confidential information may be retained for " }, { "op": "delete", "text": "3" }, { "op": "insert", "text": "1" }, { "op": "equal", "text": " " }, { "op": "delete", "text": "years" }, { "op": "insert", "text": "year" }, { "op": "equal", "text": " after termination." } ] } ], "rejected_inputs": [], "scope_note": "Classifies the TYPE of change per declared segment only (ACCEPTED, REVERTED, MODIFIED, NEW, DELETED). Never scores or evaluates the negotiating position of either side; not legal advice.", "attribution_note": "Five-state enum (ACCEPTED/REVERTED/MODIFIED/NEW/DELETED) extends the four-state classification used by eigenlegal/counsel-os diff_rounds.py (MIT license), design-borrow only. That file was not read; no code was ported from it." }, "golden_hash": "4eb830eda1bd494769ce08fb992412242af72ee3f6cd09dbde3b3dd23cd25d8a" }, { "name": "round3_reverted_to_baseline", "description": "Third round of the chain, prior_round_digest is round2_linked's REAL execution_hash. C1 goes back to the original baseline text after having been modified in round 2, so classifies REVERTED. Demonstrates the full chain a verifier walks: round3's declared prior_round_digest must equal executionHash(round2_linked.policy_parameters, round2_linked.output_payload) recomputed from round2's OWN content -- see verifyRoundChain() in the kernel, and its tamper test in the WU report (round2's output_payload mutated post-hoc no longer reproduces the hash round3 committed to, so the chain check FAILS at round2 with valid:false, break_at_index:1).", "policy_parameters": { "document_id": "nda-2026-globex", "round": { "number": 3, "label": "Round 3" }, "prior_round_digest": "4eb830eda1bd494769ce08fb992412242af72ee3f6cd09dbde3b3dd23cd25d8a", "segments": [ { "segment_id": "C1-confidentiality", "baseline_text": "Confidential information may be retained for 3 years after termination.", "prior_text": "Confidential information may be retained for 1 year after termination.", "current_text": "Confidential information may be retained for 3 years after termination." }, { "segment_id": "C2-governing-law", "baseline_text": "This agreement is governed by the laws of New York.", "prior_text": "This agreement is governed by the laws of New York.", "current_text": "This agreement is governed by the laws of New York." } ] }, "output_payload": { "verdict": "CLASSIFIED", "reason": null, "round_summary": { "document_id": "nda-2026-globex", "round_number": 3, "round_label": "Round 3", "total_segments": 2, "changed_count": 1, "accepted_count": 1, "reverted_count": 1, "modified_count": 0, "new_count": 0, "deleted_count": 0 }, "round_chain": { "round_number": 3, "prior_round_digest": "4eb830eda1bd494769ce08fb992412242af72ee3f6cd09dbde3b3dd23cd25d8a", "status": "LINKED" }, "classifications": [ { "segment_id": "C1-confidentiality", "classification": "REVERTED", "baseline_text": "Confidential information may be retained for 3 years after termination.", "prior_text": "Confidential information may be retained for 1 year after termination.", "current_text": "Confidential information may be retained for 3 years after termination.", "changed": true, "diff": [ { "op": "equal", "text": "Confidential information may be retained for " }, { "op": "delete", "text": "1" }, { "op": "insert", "text": "3" }, { "op": "equal", "text": " " }, { "op": "delete", "text": "year" }, { "op": "insert", "text": "years" }, { "op": "equal", "text": " after termination." } ] }, { "segment_id": "C2-governing-law", "classification": "ACCEPTED", "baseline_text": "This agreement is governed by the laws of New York.", "prior_text": "This agreement is governed by the laws of New York.", "current_text": "This agreement is governed by the laws of New York.", "changed": false } ], "diff_transcript": [ { "segment_id": "C1-confidentiality", "classification": "REVERTED", "diff": [ { "op": "equal", "text": "Confidential information may be retained for " }, { "op": "delete", "text": "1" }, { "op": "insert", "text": "3" }, { "op": "equal", "text": " " }, { "op": "delete", "text": "year" }, { "op": "insert", "text": "years" }, { "op": "equal", "text": " after termination." } ] } ], "rejected_inputs": [], "scope_note": "Classifies the TYPE of change per declared segment only (ACCEPTED, REVERTED, MODIFIED, NEW, DELETED). Never scores or evaluates the negotiating position of either side; not legal advice.", "attribution_note": "Five-state enum (ACCEPTED/REVERTED/MODIFIED/NEW/DELETED) extends the four-state classification used by eigenlegal/counsel-os diff_rounds.py (MIT license), design-borrow only. That file was not read; no code was ported from it." }, "golden_hash": "ad76037dc93a4564a63d42967260b50f0b44ef57e97bb8b8a3abf65a3c9c9036" }, { "name": "indeterminate_no_segments", "description": "Round declared but zero segments -- cannot classify anything, INDETERMINATE rather than a silent empty pass.", "policy_parameters": { "document_id": "msa-2026-acme", "round": { "number": 1 }, "segments": [] }, "output_payload": { "verdict": "INDETERMINATE", "reason": "no_segments_declared", "round_summary": { "document_id": "msa-2026-acme", "round_number": 1, "round_label": null, "total_segments": 0, "changed_count": 0, "accepted_count": 0, "reverted_count": 0, "modified_count": 0, "new_count": 0, "deleted_count": 0 }, "round_chain": { "round_number": 1, "prior_round_digest": null, "status": "ROOT" }, "classifications": [], "diff_transcript": [], "rejected_inputs": [], "scope_note": "Classifies the TYPE of change per declared segment only (ACCEPTED, REVERTED, MODIFIED, NEW, DELETED). Never scores or evaluates the negotiating position of either side; not legal advice.", "attribution_note": "Five-state enum (ACCEPTED/REVERTED/MODIFIED/NEW/DELETED) extends the four-state classification used by eigenlegal/counsel-os diff_rounds.py (MIT license), design-borrow only. That file was not read; no code was ported from it." }, "golden_hash": "6a5bee4a64759303fdbd7dc090aec7886d20d2992235c3eedf596e95faf70cf2" }, { "name": "indeterminate_missing_prior_digest", "description": "Round 2 declared with no prior_round_digest at all -- the chain has a gap, so the round is refused rather than silently treated as a root.", "policy_parameters": { "document_id": "x", "round": { "number": 2 }, "segments": [ { "segment_id": "A", "prior_text": "x", "current_text": "y" } ] }, "output_payload": { "verdict": "INDETERMINATE", "reason": "prior_round_digest_required_for_round_gt_1", "round_summary": { "document_id": "x", "round_number": 2, "round_label": null, "total_segments": 1, "changed_count": 1, "accepted_count": 0, "reverted_count": 0, "modified_count": 1, "new_count": 0, "deleted_count": 0 }, "round_chain": { "round_number": 2, "prior_round_digest": null, "status": "REJECTED" }, "classifications": [ { "segment_id": "A", "classification": "MODIFIED", "baseline_text": null, "prior_text": "x", "current_text": "y", "changed": true, "diff": [ { "op": "delete", "text": "x" }, { "op": "insert", "text": "y" } ] } ], "diff_transcript": [ { "segment_id": "A", "classification": "MODIFIED", "diff": [ { "op": "delete", "text": "x" }, { "op": "insert", "text": "y" } ] } ], "rejected_inputs": [], "scope_note": "Classifies the TYPE of change per declared segment only (ACCEPTED, REVERTED, MODIFIED, NEW, DELETED). Never scores or evaluates the negotiating position of either side; not legal advice.", "attribution_note": "Five-state enum (ACCEPTED/REVERTED/MODIFIED/NEW/DELETED) extends the four-state classification used by eigenlegal/counsel-os diff_rounds.py (MIT license), design-borrow only. That file was not read; no code was ported from it." }, "golden_hash": "7390d19b036c1b8b7874b9ef7ddef5e0ccdbafe3f289636e3d57689907f8db8c" }, { "name": "indeterminate_round1_unexpected_digest", "description": "Round 1 (the chain root) wrongly declares a prior_round_digest -- rejected, since a root round has no predecessor to chain to.", "policy_parameters": { "document_id": "x", "round": { "number": 1 }, "prior_round_digest": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "segments": [ { "segment_id": "A", "prior_text": null, "current_text": "y" } ] }, "output_payload": { "verdict": "INDETERMINATE", "reason": "round_1_must_not_declare_prior_round_digest", "round_summary": { "document_id": "x", "round_number": 1, "round_label": null, "total_segments": 1, "changed_count": 1, "accepted_count": 0, "reverted_count": 0, "modified_count": 0, "new_count": 1, "deleted_count": 0 }, "round_chain": { "round_number": 1, "prior_round_digest": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "status": "REJECTED" }, "classifications": [ { "segment_id": "A", "classification": "NEW", "baseline_text": null, "prior_text": null, "current_text": "y", "changed": true, "diff": [ { "op": "insert", "text": "y" } ] } ], "diff_transcript": [ { "segment_id": "A", "classification": "NEW", "diff": [ { "op": "insert", "text": "y" } ] } ], "rejected_inputs": [], "scope_note": "Classifies the TYPE of change per declared segment only (ACCEPTED, REVERTED, MODIFIED, NEW, DELETED). Never scores or evaluates the negotiating position of either side; not legal advice.", "attribution_note": "Five-state enum (ACCEPTED/REVERTED/MODIFIED/NEW/DELETED) extends the four-state classification used by eigenlegal/counsel-os diff_rounds.py (MIT license), design-borrow only. That file was not read; no code was ported from it." }, "golden_hash": "4b778bf72dfe805505c535740852f4f9401b67feab82dc23dde1f979e3d4ac39" }, { "name": "rejected_segment_missing_id", "description": "A segment entry with no segment_id -- rejected and reported in rejected_inputs rather than silently skipped or guessed at.", "policy_parameters": { "document_id": "x", "round": { "number": 1 }, "segments": [ { "prior_text": "x", "current_text": "y" } ] }, "output_payload": { "verdict": "INDETERMINATE", "reason": "no_segments_declared", "round_summary": { "document_id": "x", "round_number": 1, "round_label": null, "total_segments": 0, "changed_count": 0, "accepted_count": 0, "reverted_count": 0, "modified_count": 0, "new_count": 0, "deleted_count": 0 }, "round_chain": { "round_number": 1, "prior_round_digest": null, "status": "ROOT" }, "classifications": [], "diff_transcript": [], "rejected_inputs": [ { "rejected": true, "reason": "missing_segment_id", "entry": { "prior_text": "x", "current_text": "y" } } ], "scope_note": "Classifies the TYPE of change per declared segment only (ACCEPTED, REVERTED, MODIFIED, NEW, DELETED). Never scores or evaluates the negotiating position of either side; not legal advice.", "attribution_note": "Five-state enum (ACCEPTED/REVERTED/MODIFIED/NEW/DELETED) extends the four-state classification used by eigenlegal/counsel-os diff_rounds.py (MIT license), design-borrow only. That file was not read; no code was ported from it." }, "golden_hash": "04cbcfa0602d8eb9fb15676d3f4ed388f966496e822c9a64f7acf85d0d5a6587" } ] }