{"report_target":{"type":"measurement","id":"9d765bb1-abdf-457d-a95b-052bbcd6fe68"},"metric":"token_delta","formula_version":1,"value":3,"value_lo":1,"value_hi":3,"value_uncensored":null,"floor_cells":null,"panel_models":["cl100k_base","o200k_base","p50k_base"],"panel_members":3,"panel_neff":3,"panel_neff_basis":"computed:tokenizer_lineage","panel_neff_declared":null,"panel_agreement":null,"resample_down":null,"yield_report":null,"calibration":null,"replication_comparison":null,"study_context":{"report_only":true,"study_purpose":null,"study_scope":null,"boundary":"Declared by the experiment\u2019s author. This label neither certifies claim coverage nor changes validity, settlement or readiness. A diagnostic can still expose genuine harm.","status":"undeclared","label":"Test purpose not explicitly declared"},"derivation_verified":true,"token_derivation":{"kind":"ainglish.server-token-derivation.v1","verified":true,"manifest_hash":"3455f530a639a82406dc4a1376ab0fb2db639e4af0b5825229be11f74f9fc6a7","verified_at":"2026-09-07T20:32:14+00:00","implementation":"yethee\/tiktoken:1.1.1:NativeEncoder","pcre_version":"10.40 2022-04-14","encodings":{"cl100k_base":{"vocab_sha256":"223921b76ee99bde995b7ff738513eef100fb51d18c93597a113bcffe865b2a7","pattern_sha256":"d98f9631be1e9607a9848c26c1f9eac1aa9fc21ac6ba82a2fc0741af9780a48f"},"o200k_base":{"vocab_sha256":"446a9538cb6c348e3516120d7c08b09f57c36495e2acfffe59a5bf8b0cfb1a2d","pattern_sha256":"0d147c72e687a7c02b132ecb993d0ba5dc0a4011030e6d17655fdb532c16f4ff"},"p50k_base":{"vocab_sha256":"94b5ca7dff4d00767bc256fdd1b27e5b17361d7b8a5f968547f9f23eb70d2069","pattern_sha256":"eeb55ba74cc544ae7067587b680d16521d9891de9e94c7ba9412c0e0e93b1c36"}},"pair_count":64,"token_delta_sums":{"cl100k_base":64,"o200k_base":96,"p50k_base":192},"per_member":{"cl100k_base":1,"o200k_base":1.5,"p50k_base":3},"headline_model":"p50k_base","value":3,"strata":{"cl100k_base":{"time-total":1,"longest-stretch":1},"o200k_base":{"time-total":1,"longest-stretch":2},"p50k_base":{"time-total":3,"longest-stretch":3}},"comparison_tolerance":9.9999999999999997988664762925561536725284350612952266601496376097202301025390625e-13,"scope":"Recounted submitted text and arithmetic only; not comparator adequacy, independent replication, comprehension, or future-trained efficiency."},"tokenizer_provenance":{"library":"tiktoken","version":"0.14.0"},"input_disjointness":null,"side_overlap":null,"side_overlap_inspection":null,"arms":null,"resolution_bound":"not_applicable","accuracy_resolution":null,"interval_provenance":null,"per_member":[{"model":"cl100k_base","value":1},{"model":"o200k_base","value":1.5},{"model":"p50k_base","value":3}],"stratum_results":[{"id":"time-total","weight":1,"share":0.5,"value":3,"value_lo":null,"value_hi":null,"arms":null,"resolution_bound":"not_applicable"},{"id":"longest-stretch","weight":1,"share":0.5,"value":3,"value_lo":null,"value_hi":null,"arms":null,"resolution_bound":"not_applicable"}],"stratum_diagnostics":{"rule":"diagnostic-only-v1","lifecycle_effect":"none","cell_count":2,"adverse_cell_count":2,"multiplicity_adjusted":false,"adverse_cells":[{"id":"time-total","value":3,"value_lo":null,"value_hi":null,"basis":"uncorrected_point"},{"id":"longest-stretch","value":3,"value_lo":null,"value_hi":null,"basis":"uncorrected_point"}],"interpretation":"Every cell remains load-bearing for reproduction. Adverse cells are published for voters; they do not mechanically reject the aggregate result."},"divergence":{"declared":true,"median":1.5,"tolerance":0.15000000000000002220446049250313080847263336181640625,"diverged":[{"model":"cl100k_base","value":1,"delta_from_median":-0.5},{"model":"p50k_base","value":3,"delta_from_median":1.5}]},"is_adversarial":false,"manifest_hash":"3455f530a639a82406dc4a1376ab0fb2db639e4af0b5825229be11f74f9fc6a7","attempt_id":"9d765bb1-abdf-457d-a95b-052bbcd6fe68","attempt":{"attempt_id":"9d765bb1-abdf-457d-a95b-052bbcd6fe68","report_target":{"type":"attempt","id":"9d765bb1-abdf-457d-a95b-052bbcd6fe68"},"state":"completed","pin":{"proposal_revision":"time-total-state-ref-window-ref-duration-longest-stretch","manifest_commitment":"3455f530a639a82406dc4a1376ab0fb2db639e4af0b5825229be11f74f9fc6a7","estimand":"token_delta over one complete claim sentence with exactly shared resolved references and units: registered surface versus concise meaning-complete careful English; population: 64 prospective authored duration pairs, equal marker weights; fixed reference variants are not independent semantic frames; aggregation: equal complete-pair mean within each tokenizer, then maximum tokenizer mean (least-favourable) across the three; retain each marker separately","admissibility_gates":["every declared tiktoken encoding loads","every frozen English and Ainglish string is 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required)","proposer_at_submission":{"sub":"902496d5-7b7a-467c-a66f-5f2d46b4207f","basis":"stamped_at_submission"},"is_replication":false,"replicates_hash":null,"reproduced_ok":null,"settlement_eligible":null,"settlement_basis":null,"evidence_state":"valid","evidence_reason_code":null,"evidence_public_explanation":null,"evidence_moderated_at":null,"evidence_moderated_by_sub":null,"evidence_successor_attempt_id":null,"counts_toward_verdict":true,"retraction":null,"voided_at":null,"voided_by":null,"correction_of":null,"replication_count":1,"disagreement_count":1,"settlement_state":"confirmed_contested","confirmed":true,"at":"2026-09-07T20:32:14+00:00","kind":"ainglish.measurement","proposal":{"slug":"time-total-state-ref-window-ref-duration-longest-stretch","public_id":"a-2tme3vb0embtpd8y","title":"time-total \/ longest-stretch \u2014 an hour in pieces is not an uninterrupted hour","stage":"measured","url":"\/api\/v1\/proposals\/time-total-state-ref-window-ref-duration-longest-stretch","proposal_record":"\/proposals\/a-2tme3vb0embtpd8y"},"stance":"opposes","manifest":{"metric":"token_delta","models":["cl100k_base","o200k_base","p50k_base"],"test_set":[{"id":"duration-0-time-total","stratum":"time-total","english":"Total state-40 time in window-90: 16min.","ainglish":"time-total(state-40,window-90) = 16min."},{"id":"duration-0-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-40 stretch in window-90: 11min.","ainglish":"longest-stretch(state-40,window-90) = 11min."},{"id":"duration-1-time-total","stratum":"time-total","english":"Total state-41 time in window-91: 18min.","ainglish":"time-total(state-41,window-91) = 18min."},{"id":"duration-1-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-41 stretch in window-91: 12min.","ainglish":"longest-stretch(state-41,window-91) = 12min."},{"id":"duration-2-time-total","stratum":"time-total","english":"Total state-42 time in window-92: 20min.","ainglish":"time-total(state-42,window-92) = 20min."},{"id":"duration-2-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-42 stretch in window-92: 13min.","ainglish":"longest-stretch(state-42,window-92) = 13min."},{"id":"duration-3-time-total","stratum":"time-total","english":"Total state-43 time in window-93: 22min.","ainglish":"time-total(state-43,window-93) = 22min."},{"id":"duration-3-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-43 stretch in window-93: 14min.","ainglish":"longest-stretch(state-43,window-93) = 14min."},{"id":"duration-4-time-total","stratum":"time-total","english":"Total state-44 time in window-94: 24min.","ainglish":"time-total(state-44,window-94) = 24min."},{"id":"duration-4-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-44 stretch in window-94: 15min.","ainglish":"longest-stretch(state-44,window-94) = 15min."},{"id":"duration-5-time-total","stratum":"time-total","english":"Total state-45 time in window-95: 21min.","ainglish":"time-total(state-45,window-95) = 21min."},{"id":"duration-5-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-45 stretch in window-95: 11min.","ainglish":"longest-stretch(state-45,window-95) = 11min."},{"id":"duration-6-time-total","stratum":"time-total","english":"Total state-46 time in window-96: 23min.","ainglish":"time-total(state-46,window-96) = 23min."},{"id":"duration-6-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-46 stretch in window-96: 12min.","ainglish":"longest-stretch(state-46,window-96) = 12min."},{"id":"duration-7-time-total","stratum":"time-total","english":"Total state-47 time in window-97: 25min.","ainglish":"time-total(state-47,window-97) = 25min."},{"id":"duration-7-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-47 stretch in window-97: 13min.","ainglish":"longest-stretch(state-47,window-97) = 13min."},{"id":"duration-8-time-total","stratum":"time-total","english":"Total state-48 time in window-98: 19min.","ainglish":"time-total(state-48,window-98) = 19min."},{"id":"duration-8-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-48 stretch in window-98: 14min.","ainglish":"longest-stretch(state-48,window-98) = 14min."},{"id":"duration-9-time-total","stratum":"time-total","english":"Total state-49 time in window-99: 21min.","ainglish":"time-total(state-49,window-99) = 21min."},{"id":"duration-9-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-49 stretch in window-99: 15min.","ainglish":"longest-stretch(state-49,window-99) = 15min."},{"id":"duration-10-time-total","stratum":"time-total","english":"Total state-50 time in window-100: 18min.","ainglish":"time-total(state-50,window-100) = 18min."},{"id":"duration-10-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-50 stretch in window-100: 11min.","ainglish":"longest-stretch(state-50,window-100) = 11min."},{"id":"duration-11-time-total","stratum":"time-total","english":"Total state-51 time in window-101: 20min.","ainglish":"time-total(state-51,window-101) = 20min."},{"id":"duration-11-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-51 stretch in window-101: 12min.","ainglish":"longest-stretch(state-51,window-101) = 12min."},{"id":"duration-12-time-total","stratum":"time-total","english":"Total state-52 time in window-102: 22min.","ainglish":"time-total(state-52,window-102) = 22min."},{"id":"duration-12-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-52 stretch in window-102: 13min.","ainglish":"longest-stretch(state-52,window-102) = 13min."},{"id":"duration-13-time-total","stratum":"time-total","english":"Total state-53 time in window-103: 24min.","ainglish":"time-total(state-53,window-103) = 24min."},{"id":"duration-13-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-53 stretch in window-103: 14min.","ainglish":"longest-stretch(state-53,window-103) = 14min."},{"id":"duration-14-time-total","stratum":"time-total","english":"Total state-54 time in window-104: 26min.","ainglish":"time-total(state-54,window-104) = 26min."},{"id":"duration-14-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-54 stretch in window-104: 15min.","ainglish":"longest-stretch(state-54,window-104) = 15min."},{"id":"duration-15-time-total","stratum":"time-total","english":"Total state-55 time in window-105: 23min.","ainglish":"time-total(state-55,window-105) = 23min."},{"id":"duration-15-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-55 stretch in window-105: 12min.","ainglish":"longest-stretch(state-55,window-105) = 12min."},{"id":"duration-16-time-total","stratum":"time-total","english":"Total state-56 time in window-106: 17min.","ainglish":"time-total(state-56,window-106) = 17min."},{"id":"duration-16-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-56 stretch in window-106: 12min.","ainglish":"longest-stretch(state-56,window-106) = 12min."},{"id":"duration-17-time-total","stratum":"time-total","english":"Total state-57 time in window-107: 19min.","ainglish":"time-total(state-57,window-107) = 19min."},{"id":"duration-17-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-57 stretch in window-107: 13min.","ainglish":"longest-stretch(state-57,window-107) = 13min."},{"id":"duration-18-time-total","stratum":"time-total","english":"Total state-58 time in window-108: 21min.","ainglish":"time-total(state-58,window-108) = 21min."},{"id":"duration-18-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-58 stretch in window-108: 14min.","ainglish":"longest-stretch(state-58,window-108) = 14min."},{"id":"duration-19-time-total","stratum":"time-total","english":"Total state-59 time in window-109: 23min.","ainglish":"time-total(state-59,window-109) = 23min."},{"id":"duration-19-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-59 stretch in window-109: 15min.","ainglish":"longest-stretch(state-59,window-109) = 15min."},{"id":"duration-20-time-total","stratum":"time-total","english":"Total state-60 time in window-110: 20min.","ainglish":"time-total(state-60,window-110) = 20min."},{"id":"duration-20-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-60 stretch in window-110: 11min.","ainglish":"longest-stretch(state-60,window-110) = 11min."},{"id":"duration-21-time-total","stratum":"time-total","english":"Total state-61 time in window-111: 22min.","ainglish":"time-total(state-61,window-111) = 22min."},{"id":"duration-21-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-61 stretch in window-111: 12min.","ainglish":"longest-stretch(state-61,window-111) = 12min."},{"id":"duration-22-time-total","stratum":"time-total","english":"Total state-62 time in window-112: 24min.","ainglish":"time-total(state-62,window-112) = 24min."},{"id":"duration-22-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-62 stretch in window-112: 13min.","ainglish":"longest-stretch(state-62,window-112) = 13min."},{"id":"duration-23-time-total","stratum":"time-total","english":"Total state-63 time in window-113: 26min.","ainglish":"time-total(state-63,window-113) = 26min."},{"id":"duration-23-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-63 stretch in window-113: 14min.","ainglish":"longest-stretch(state-63,window-113) = 14min."},{"id":"duration-24-time-total","stratum":"time-total","english":"Total state-64 time in window-114: 20min.","ainglish":"time-total(state-64,window-114) = 20min."},{"id":"duration-24-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-64 stretch in window-114: 15min.","ainglish":"longest-stretch(state-64,window-114) = 15min."},{"id":"duration-25-time-total","stratum":"time-total","english":"Total state-65 time in window-115: 17min.","ainglish":"time-total(state-65,window-115) = 17min."},{"id":"duration-25-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-65 stretch in window-115: 11min.","ainglish":"longest-stretch(state-65,window-115) = 11min."},{"id":"duration-26-time-total","stratum":"time-total","english":"Total state-66 time in window-116: 19min.","ainglish":"time-total(state-66,window-116) = 19min."},{"id":"duration-26-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-66 stretch in window-116: 12min.","ainglish":"longest-stretch(state-66,window-116) = 12min."},{"id":"duration-27-time-total","stratum":"time-total","english":"Total state-67 time in window-117: 21min.","ainglish":"time-total(state-67,window-117) = 21min."},{"id":"duration-27-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-67 stretch in window-117: 13min.","ainglish":"longest-stretch(state-67,window-117) = 13min."},{"id":"duration-28-time-total","stratum":"time-total","english":"Total state-68 time in window-118: 23min.","ainglish":"time-total(state-68,window-118) = 23min."},{"id":"duration-28-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-68 stretch in window-118: 14min.","ainglish":"longest-stretch(state-68,window-118) = 14min."},{"id":"duration-29-time-total","stratum":"time-total","english":"Total state-69 time in window-119: 25min.","ainglish":"time-total(state-69,window-119) = 25min."},{"id":"duration-29-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-69 stretch in window-119: 15min.","ainglish":"longest-stretch(state-69,window-119) = 15min."},{"id":"duration-30-time-total","stratum":"time-total","english":"Total state-70 time in window-120: 22min.","ainglish":"time-total(state-70,window-120) = 22min."},{"id":"duration-30-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-70 stretch in window-120: 11min.","ainglish":"longest-stretch(state-70,window-120) = 11min."},{"id":"duration-31-time-total","stratum":"time-total","english":"Total state-71 time in window-121: 24min.","ainglish":"time-total(state-71,window-121) = 24min."},{"id":"duration-31-longest-stretch","stratum":"longest-stretch","english":"Longest uninterrupted state-71 stretch in window-121: 12min.","ainglish":"longest-stretch(state-71,window-121) = 12min."}],"test_set_note":"Shared resolved references, unit\/elapsed-time definitions and party-relative recovery scope are held identical outside both message spans. Authored template variants, not natural-use independent populations.","settlement_strata":[{"id":"time-total","weight":1},{"id":"longest-stretch","weight":1}],"estimand_contract":{"kind":"ainglish.estimand-shadow.v1","unit_span":"one complete claim sentence with exactly shared resolved references and units","contrast":"registered surface versus concise meaning-complete careful English","population":"64 prospective authored duration pairs, equal marker weights; fixed reference variants are not independent semantic frames","aggregation":{"reducer":"least_favourable","rule":"equal complete-pair mean within each tokenizer, then maximum tokenizer mean (least-favourable) across the three; retain each marker separately"},"governance_effect":"report_only"},"shared_context":{"url":"https:\/\/raw.githubusercontent.com\/dexagon-ai\/ainglish-evidence\/main\/evening-progression-2026-09-07\/costs\/context-649447acb84dff74a62efc88296ea439ceaf02a49039b46009ee6edd68ecad7f.json","sha256":"649447acb84dff74a62efc88296ea439ceaf02a49039b46009ee6edd68ecad7f","digest_recipe":"SHA-256 of Ainglish canonical JSON","charged_to_neither_arm":true},"items_sha256":"3b8e7b037851eb9ba2aca1c6b48c89ca317150e673894bca26d0f476a161ac7a","comparison_identity":{"kind":"ainglish.token-comparison-identity.v1","items_sha256":"3b8e7b037851eb9ba2aca1c6b48c89ca317150e673894bca26d0f476a161ac7a","item_count":64,"tokenizer_roster":["cl100k_base","o200k_base","p50k_base"],"comparator":"registered surface versus concise meaning-complete careful English","population":"64 prospective authored duration pairs, equal marker weights; 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