{
  "step": "C423",
  "completed_steps": [
    "C414",
    "C415",
    "C416",
    "C417",
    "C418",
    "C419",
    "C420",
    "C421",
    "C422",
    "C423"
  ],
  "predecessor_summaries": [
    {
      "step": "C414",
      "title": "Complete 2K source-pair census under fixed 500 translation",
      "main_result": "The complete373-coordinate census contains26 pairs exactly2K apart and46 original labelled endpoint pairings. Six pairs retain both endpoints after one−500 application; none survives two consecutive applications. The originali3/i5 cross-spans become8493 with cumulative corners fixed.",
      "checks": 110,
      "source_checks": 16
    },
    {
      "step": "C415",
      "title": "Continuous labelled lifts of the six 2K translations",
      "main_result": "The six paired2K coordinate translations lift to10 continuous role-defined record comparisons. Nine of19 raw coordinate pairings fail label continuity; the separate C411 bridge adds none. The extra birth and mixed-Flood-boundary cases share upperSP-companionG3 C1/T1/F1 versus lowerMTG1 C0/T0/F0 contexts, motivating a whole-person-profile check.",
      "checks": 20,
      "source_checks": 16
    },
    {
      "step": "C416",
      "title": "Coherent four-station SP companion to MT 2K profile",
      "main_result": "One coherent SP-companionG3 C1/T1/F1 versus MTG1 C0/T0/F0 profile has four same-role2K pairs:3899/2841 Noahbirth,3399/2341 Shembirth,2949/1891 Noahdeath,2799/1741 Shemdeath. Translation−1058 preserves all six pairwise intervals, including Noah950 and Shem600. Its single source offset is650+130+60+215+4−1=1058; Flood boundaries and uniqueness remain separate.",
      "checks": 25,
      "source_checks": 14
    },
    {
      "step": "C417",
      "title": "Unfiltered census of complete 2K person profiles",
      "main_result": "All96 complete person contexts and4560 unordered pairs were tested without context preselection. Exactly one labelled same-role2K profile survives: SPcompG3 C1/T1/F1 versus MTG1 C0/T0/F0. There are24 zero-offset aliases and416 offset values. Replacing the chosen upper SPcomp by SPprimary or LXXnative gives1059. The four station matches share one context offset; finite uniqueness is not statistical independence.",
      "checks": 4660,
      "source_checks": 14
    },
    {
      "step": "C418",
      "title": "Flood-boundary closure and obstruction of the 2K person profile",
      "main_result": "The unique person2K profile gains a fifth station at SPclose3299/MTstart2241, yielding a shared500+100+350+150 partition. Like-named Flood boundaries differ1059 at selectedGears. All18 same-boundary comparisons across availableeventGears fail1058 by parity; three mixed-boundary hits exist but onlycloseG3/startG1 retainsbothselectedGears. Translation maps SPstart3300 to MTG2close2242, so it does not map a whole same-Gear Flood year.",
      "checks": 23,
      "source_checks": 15
    },
    {
      "step": "C419",
      "title": "Fixed Mirror tests of the five-station 2K profile",
      "main_result": "Five new2K station pairs × six sourced cumulative2K Shem/Flood pairs give30 joins, none with17K cross-spans. All ten required role-specific cumulative endpoints are absent. The inherited C=−2639/−2635 corner exchanges give zero sourced images in20 slots. The coherent2K person profile remains separate from the original2K/17K joins; no newaxis is fitted.",
      "checks": 32,
      "source_checks": 16
    },
    {
      "step": "C420",
      "title": "Fixed-pivot harmonic endpoint tests of the five 2K stations",
      "main_result": "Acrossfivefixed2K stations×E/E²/P/J, onlyoneof20outputs is sourced: holdingSPcompNoah3899, E² mapsMTNoah2841 toMTG3 C1/T1/F1 Floodclose2649. E intermediate2749 is absent; allfiveE outputs andfourotherE²outputs are absent. P/J outputs are nonintegral. This is a newcontext endpoint comparison of the old1058→1250 scalaridentity, not a complete E ladder.",
      "checks": 35,
      "source_checks": 14
    },
    {
      "step": "C421",
      "title": "Source-path obstruction for the new held-Noah squared-E endpoint",
      "main_result": "The held3899 E² map has no sourced intermediate realization. Acrossall373possiblefirstpivots, onlyp=q3899 solves25p+23q=48×3899 withbothpivots sourced, and its2749 intermediate is absent. Themax3900 bound gives the same result algebraically. Prime7/13/5 valuations forceanyfinitepositiveE/P/J word withthetargetwholemap toE²alone. Different-slope endpoint coincidences and inverse words are outside this result.",
      "checks": 378,
      "source_checks": 14
    },
    {
      "step": "C422",
      "title": "Source and component audit of the new 2K profile",
      "main_result": "Twelvecurrentexcerptcards directlyreconstructall23relevantperson/event/controlrecords. Endpoints and qualifiedsourcebindings are explicit; the2Kprofile andnewE²selection remain derivedcomparisons. Thefive-stationtranslation preserves10of20inheritedquarter-offset assignments, exactlythematchedpairs. Fixedheld3899E² preservesnoneof4assignments (matched errors±24/529); jointlyshiftingpivotandinputpreservestwooffsetcomparisons butisnotonefixedaction. Nonewsourcepointorprotocolprescription is established.",
      "checks": 64,
      "source_checks": 21
    }
  ],
  "predecessor_main_checks": 5347,
  "predecessor_authentication_checks": 140,
  "predecessor_sealed_audit_totals": {
    "packets": 9,
    "manifest_payloads": 221,
    "certificate_bindings": 108,
    "predecessor_links": 9,
    "frozen_source_payloads": 104,
    "main_output_comparisons": 18,
    "root_secondary_output_comparisons": 0,
    "successful_publications": 27
  },
  "root_second_method_checks": 595,
  "reading_index_summary": "C414–C423 complete. The finite source menu has26 coordinate pairs at2K, with46 labelled endpoint pairs. Six coordinate pairs survive a simultaneous−500 translation; none survives two. The six have10 continuous role-defined lifts; nine of19 raw coordinate lifts would switch source identities, and the separate3395→2895 bridge adds none. A complete same-role person profile is found: SP companion G3/CainanON/Terah+60/full430 versus MT G1/CainanOFF/Terah0/short sojourn. Noah births3899/2841, Shem births3399/2341, Noah deaths2949/1891 and Shem deaths2799/1741 all differ1058. Both950 and600 endpoint lifespans and all six pairwise intervals are preserved. Its one context offset is650+130+60+215+4−1=1058; the matches are not independent witnesses. An unfiltered96-context/4560-pair census finds exactly one such labelled profile. SP primary or LXX native at the selected upper settings gives1059. Adding SP Flood close3299 versus MT Flood start2241 yields a common500+100+350+150 five-station partition. Like-named Flood boundaries differ1059; all18 same-boundary Gear controls fail2K. The five new pairs yield no17K join in30 cumulative-source comparisons and no sourced image in20 inherited corner-exchange slots. Across20 fixed-pivot E/E²/P/J gap tests, one E² endpoint is sourced: held SP companion Noah3899 maps MT Noah2841 to MT G3 C1/T1/F1 Flood close2649. Its E intermediate2749 is absent. All sourced pivot choices reduce to3899,3899 for the same whole map; prime valuations extend the exclusion to every finite positive E/P/J word with that map. Twelve current excerpts reconstruct23 relevant records. Matched quarter-offset components pass the translation; fixed held3899 E² fails all four component assignments, while jointly shifting pivot and input gives a distinct comparison. No new source, prescribed combined protocol, global529/Mirror action or canonical edit is established.",
  "restart_checkpoint": "Latest completed C423; C424 is unexecuted and outside this completed authorization. Read the C423 synthesis and checkpoint, then the C414–C423 reading index. Use the C423 compact restart kit as the active packet; older archives are selective references. The new2K person profile is SP companion G3 C1/T1/F1 versus MT G1 C0/T0/F0. Keep the four person pairs and the explicit SPclose/MTstart fifth station distinct from a same-boundary Flood-year translation, which fails by one year. C414 is the complete26-pair source census, C415 the record-identity audit, C416 the four-station profile, C417 finite uniqueness, C418 Flood-boundary controls, C419 fixed Mirror failures, C420 the exact3899-held squared-E endpoint, C421 the absent-path proof and C422 direct source/component audit. The profile does not replace original i3/i5 two17K joins. The scalar1058→1250 is prior arithmetic; the new3899/2841/2649 source context is an endpoint comparison with absent2749. Preserve prior C413 source500/Shem-loop results and their limits; no completed research needs rerunning. K529,E25/23,P70/69; J300/299 is File02 gap conversion, not Residue Protocol or general date operator. Global paired Mirror January AD1; local junction January AD2; no civil year zero. Regular Gears Noah/Shem/Flood only. SP person companions remain local; Flood close is independent; SP primary Noah death remains inclusive/harmonic; both500/100 and502/98 modes remain valid. LXX native CainanON is not given a second insertion; OFF is theoretical removal. No new sourcepoint, phase, fitted anchor, global axis, upstream/cumulative Gear, primer reopening or canonical graph edit. Corrected LXX8464 supplement remains awareness only:1564→1700,2484→2700,920→1000; AD3746/2300 superseded. C-series, original unprefixed reports and Engine reports remain distinct. The earlier incomplete September17 local ZIP differs from the later verified intact original. Arithmetic, aliases, repeated paths and alternate implementations are not independent historical witnesses. Proposed C424 is a bounded audit of the16 labelled Flood-start/Noah-death2K pairs already enumerated by C414, checking their exact contexts and any additional station correspondence; it has not been performed.",
  "source_access": {
    "File_18": "actual bytes match retained SHA256",
    "File_09": "actual bytes match retained SHA256",
    "File_02_File_46_File_11_C365": "actual bytes match C413 frozen manifest",
    "C265": "checkpoint readable; certificate matches retained hash"
  },
  "new_independent_agent_review": false,
  "C424_executed": false,
  "canonical_or_graph_edits": false
}