Contributed experiment starl3n · RACI A not part of OOI canon · a record page: nothing here runs, nothing you do here is recorded; the acts were read once each at the operator's word and their records are committed and served read-only beside this page · design: oxexp-corner-the-second-law-instrument-design-draft-0-1.md (Restricted, not served; sealed) · registration: oxexp-hallway-registration.md (Restricted, not served; pinned before any read)

The Hallway

contrib · oxexp-hallway · the second law's instrument — the turn against the account · campaign three of the Cornering Walk by lineage · sealed, built and read once, 2026-10-26

The plaque · the ladder of seals the registration the verdicts the deficits the band the word's drift the signed zero the estimate, read against the record the void the record files

The turn against the account · what this is

The essay The Doorway and the Turn holds two laws and names an instrument for each. The second law: the turn is conserved — pre-resolved, costless — if and only if the account is complete; where it is not, the turn is paid for at the call, the payload carrying exactly what the account does not. Its instrument, the turn instrument by measure, is read here on the Cornering Walk's own exact apparatus (the corner, sealed and untouched; its arithmetic restated, never imported). The call is the rung; the turn is the step s ∈ {−1, 0, +1}; the account is the integer debt e, or the residual r, inside its wall; account-completeness is the number n of candidate accounts the wall admits at the rung; the payload the call must then carry is log₂ n bits — zero where the account decides alone, one where two steps remain, log₂ 3 where all three do. A dial ρ ∈ {1, 3/2, 2, 3} widens the wall relative to the account's quantum: at ρ = 1 the wall is the corner's own. The wall ladder (CH-A1) holds the payload constant on the house target 18/7 and varies the account; the converse (CH-A2) holds the account and varies the target across the corner's seven; the signed zero (CH-A3) records which step fires at a zero account, toward a question of the held conjecture's line that stays the operator's. Budgets 2⁸, 2¹⁰ and 2¹² steps; the band for the payload indifference is 0.001 bits — the operator's, "to not the approach to 0.05": no statistical null, every comparison exact.

The seat and the name. The starl3n persona is the contributor, as at the Cornering Walk; the name THE HALLWAY, the essay's second scene, and the experiment oxexp-hallway are the operator's naming act at the seal (2026-10-26: "The Hallway, oxexp-hallway"). The track is campaign three of the Cornering Walk by lineage, under its own slug — the house's reading of his "yes", confirmed by his word the same evening. Standing. CH-H1 THE CONSERVED CASE PASSED: at the sealed wall every rung admitted exactly one account on every target, and the house target's word was the measured word, 11 of 11. CH-H2 THE ACCOUNT LAW PASSED on every target at every budget: the cost of the turn never fell as the wall widened, and was zero at the sealed wall. CH-H3 THE PAYLOAD INDIFFERENCE KILLED at the half rung (ρ = 3/2) and at the top (ρ = 3) at every budget, and EXACT at ρ = 2: at a wall twice the quantum every target admitted exactly two accounts at every rung, so the cost was one bit whatever the target; at the half rung and at three the admitted count depended on where the account sat in its wall, and the three payload-free targets differed by a few thousandths to a few hundredths of a bit against a band of a thousandth — the kill fired and is kept with full standing. CH-H4 THE TURN AT THE SIGNED ZERO RECORDED: an account exactly zero took the step 0 in every one of 21,492 cases and never a step of ±1; the sign changes split evenly. The law stays HELD whatever lands — one instance never promotes, a kill is kept as the instance's; the minted essay, the corner's engine and TIX are untouched.

Prior to every read. The operator's prediction THE INNER CIRCLE was placed on the record and committed first (4c404b4), before this instrument's design was committed (a97a0e6), at his word that it be "a prediction made prior to the commit of The Hallway"; the registration carries its pin. His answer at the seal: no target joins from it — the prediction is read beside the corner's seven as they stand. The item: the matter corner-the-second-law-instrument on the accord node; the return to the essay's exhibit, Exhibit Ten, dt-turn-law-instance.

The ladder of seals

The operator's order, "seal first, then build and then acts": each a commit on the repository, the registration pinned before any engine existed.

ActCommitWhat
The sealddd26d4the registration oxexp-hallway-registration.md pinned (423f89fbdb8b31e9ffedab9cce6d799ec6ef61ddad4994b3d4d1247aa66ffae8, 12,243 B); the design sealed with his eight answers; the prediction's record and the held conjecture's design re-pinned as priors
The build (CH-B1 to CH-B3)3c729bfthe reader engine.py, the plugin, the README, the battery (12 of 12; the anchor: the reader at ρ = 1 reproducing the corner's own engine on every target)
The fix9f24da1a readout display took a fraction string to float and CH-A2 crashed before writing; the gap taken exactly; the first registration and the first CH-A1 voided under the changed-engine rule and kept beside (see the void)
The acts (CH-A1 to CH-A4)this committhe registration written once under the corrected engine (79a7ba11…); CH-A1, CH-A2, CH-A3 read once each, 2026-10-26 02:31 UTC; the composition; this page; the return to Exhibit Ten

The registration — frozen before any read

The ladderρ ∈ {1, 3/2, 2, 3} — w = round(ρq), halves up (3/2 at q = 7 → 11; at q = 9973 → 14960); the Chamber A targets take the centered window of width w; 18/7 takes its sealed frame pair widened by the extra cells; √n takes |r| < ρ/2, compared exactly by cross-multiplication
The budgets2⁸, 2¹⁰, 2¹² steps — every walk run to its full budget; a certificate recorded at its first step and the walk continuing
The bandB = 0.001 bits (the operator's); the comparison exact — log₂ 3 carried as a rational interval the engine computes to 128 bits by interval squaring
The stand-inamong the admissible candidates the one nearest the target, the corner's sealed tie preference 0, then +1, then −1; never consulted at ρ = 1
The targets3/2 · 7/5 · 17/12 · 18/7 · 14104/9973 · √2 · √3 — the corner's seven, sealed in Chamber A; the payload-free three for CH-H3: 14104/9973, √2, √3
The priors, by pinthe design daa81749434e686a185e6ef42e15c9797d4f2cf42b109247ff08457ca5901907 · the prediction's record 4da7785431e9188a0ec9fca8f10424216dc3c2bd24ca40e3edf947068905e0ab · the held conjecture's design 1426912ccddc08fe64ae669a6e7453f17cc535ceccb105f39fcace3ad101776b
The engine at the reads79a7ba112df1c3d530f17c8123a0ec9212297c0c8f9c51af8161b2a888422515 — the registration's code_sha256; a read refuses under any other
The machine registrationregistration.json · its own sha e2d9cdf2751f67ad49a664faac8f6d1f26c2df91567da00266c4763b99f1d4fd

The house's estimate at the seal, written before the read and never a verdict: CH-H1 and CH-H2 expected to hold; CH-H3 expected met exactly at ρ = 2 and ρ = 3 and breached at ρ = 3/2 against 0.001 bits. Read against the record below — right about the half rung and about two, wrong about three.

The verdicts, as they fell

HypothesisVerdictThe record
CH-H1 · the conserved casePASSat ρ = 1, n = 1 at every rung on all seven targets at all three budgets; 18/7's word under its sealed frame pair [−1, +5] / [−2, +4] the measured word −1, 1, −1, −1, 1, −1, −1, 0, 1, −1, 0, 11 of 11
CH-H2 · the account lawPASSthe deficit non-decreasing along 1 → 3/2 → 2 → 3 for every target at every budget, d(1) = 0 exactly; 21 of 21 cells in CH-A2 and 3 of 3 in CH-A1
CH-H3 · the payload indifferenceKILLED at ρ = 3/2 and ρ = 3 · PASS, exact at ρ = 2at ρ = 2 every pair's gap is exactly zero at every budget (each target admits exactly two accounts at every rung); at ρ = 3/2 and ρ = 3 the pairs differ by 0.0006 to 0.024 bits against the band of 0.001 — one pair within at 2¹² at each rung (14104/9973 against √3), the others breached; the kill fired at every budget at both rungs and is kept with full standing
CH-H4 · the turn at the signed zeroRECORDED100,628 signed-zero events over 84 walks; at an account exactly zero the step was 0 in 21,492 of 21,492; the sign changes split evenly between −1 and +1; toward the held conjecture's N8, which stays the operator's
The lawHELDthe essay's second law stays held whatever lands; one instance never promotes; the kill is kept as the instance's

M1 · the deficit — the mean paid bits per rung, at 2¹² steps

The exact counts of rungs admitting one, two and three accounts are in the records; the bits here are the counts carried through log₂ 3's interval and shown to the eye. At ρ = 2 every target pays exactly one bit at every rung. The small-quantum commensurables are recorded beside, their lattice coarseness disclosed: 3/2 completes at step 1 and sits at zero (nothing paid until the wall exceeds its quantum twice over); 7/5 pays exactly three quarters of a bit at the half rung, its 4-cycle admitting two accounts on three rungs of four.

TargetClassρ = 1ρ = 3/2ρ = 2ρ = 3Certificate
3/2commensurable001.00001.5848completion at step 1
7/5commensurable00.75001.00001.2925cycle at step 4, period 4
17/12commensurable00.99981.00001.0001cycle at step 4, period 2
18/7 (the house target)commensurable00.99951.00001.1947cycle at step 3, period 3
14104/9973commensurable00.50951.00001.2868cycle at step 3324, period 3324 (absent in budget at 2⁸ and 2¹⁰)
√2incommensurable00.48511.00001.3011none — irrational, cited
√3incommensurable00.50851.00001.2873none — irrational, cited

The three payload-free targets at the other budgets, half rung then top: 14104/9973 0.5117 / 1.2856 at 2⁸ and 0.5146 / 1.2839 at 2¹⁰; √2 0.5352 / 1.2719 and 0.5029 / 1.2902; √3 0.5273 / 1.2765 and 0.5166 / 1.2828. The quarter bins of |r| after each step for √2 at 2¹²: 2,109 rungs below a quarter, 1,987 between a quarter and a half; for √3: 2,013 and 2,083.

CH-H3 · the band — the pairwise gaps among 14104/9973, √2 and √3, in bits, against 0.001

ρBudget14104/9973 · √214104/9973 · √3√2 · √3Verdict
3/22⁸0.02340.01560.0078KILLED
3/22¹⁰0.01170.00200.0137KILLED
3/22¹²0.02440.00100.0234KILLED
22⁸ · 2¹⁰ · 2¹²000PASS, exact
32⁸0.01370.00910.0046KILLED
32¹⁰0.00630.00110.0074KILLED
32¹²0.01430.00060.0137KILLED

Each gap is decided exactly from the counts (the difference of two deficits is (Δn₂ + Δn₃·log₂ 3)/K, compared with B·K through the interval); the decimals are for the eye. The gaps at the half rung and the top are of the order of 1/√K, as the seal's estimate said of the half rung.

M2 · the house target's word under the stand-in — the drift from the measured word to the greedy word

ρThe frames (shallow / deep)The first eleven lettersMeasuredGreedysup |e|
1[−1, +5] / [−2, +4]−1, 1, −1, −1, 1, −1, −1, 0, 1, −1, 011 / 117 / 115
3/2[−3, +7] / [−4, +6]−1, 0, 1, −1, 0, 1, −1, 0, 1, −1, 07 / 1111 / 113
2[−4, +9] / [−5, +8]−1, 0, 1, −1, 0, 1, −1, 0, 1, −1, 07 / 1111 / 113
3[−8, +12] / [−9, +11]−1, 0, 1, −1, 0, 1, −1, 0, 1, −1, 07 / 1111 / 113

The same at every budget. The greedy word's return was expected at the top of the ladder; it returned at the first widening. The measured word needs exactly its sealed width-7 wall: one half-step wider and the account hands the turn to the payload at once — the stand-in, choosing the nearest candidate among those admitted, is the greedy walk wherever the greedy candidate is admitted, and the wider frame admits it from the first rung. The sup of the account falls from 5, the sealed frame's edge, to 3, the greedy's bound of half the quantum.

M4 · the turn at the signed zero (CH-H4, recorded)

TargetExactly zero before the stepZero after the stepSign changesSteps at the events: −1 / 0 / +1
3/221,49212012 / 21,492 / 0
7/50010,7525,376 / 0 / 5,376
17/120021,49210,740 / 0 / 10,752
18/70014,3407,176 / 0 / 7,164
14104/99730010,9845,488 / 0 / 5,496
√20010,5645,280 / 0 / 5,284
√30010,9925,500 / 0 / 5,492

Over the 84 walks of CH-A1 and CH-A2, 100,628 events. Only one target ever holds an account exactly zero — 3/2, which completes at the first step and sits at zero thereafter — and from an exactly-zero account the step taken was 0 in every one of 21,492 cases, never ±1, at every ρ. The other six never touch zero and change sign in nearly equal numbers of −1 and +1 steps. A readout toward a question of the held conjecture's line (its N8), never an answer; the operator asked that the signed zero be read both here and at that line's own instrument, which remains unscheduled.

The house's estimate at the seal, read against the record

The registration said, before the read: at ρ = 2 and ρ = 3 the wall is expected to admit a constant count — two, then three — so the three deficits agree exactly; at ρ = 3/2 the count depends on the account's position and the band is expected to be breached. Right about the half rung and about two; wrong about three. At ρ = 3 a third account is admitted only where the step is a hold (s = 0), since the alphabet has no s = ±2 — for √n exactly at the holds, for a/q where |e| ≤ q/4 — so the count there is two or three and the deficit at three carries the hold share (14104/9973: 2,088 rungs at two and 2,008 at three of 4,096; √2: 1,988 and 2,108; √3: 2,084 and 2,012). The battery caught the error before the acts and the composition records it (house_estimate_read_against_the_record). The kill at the top is the same kind as the kill at the half rung: the band's and the rung's, not a surprise.

The void

A registration (478c5a06…, under the engine 13914d1f…) and a first record of CH-A1 were written, then VOIDED: CH-A2 crashed in a readout display — a fraction string passed to float in the band gap shown to the eye — before any record of it was written. The engine was corrected (9f24da1), the registration re-written under the corrected engine, and the acts re-read from CH-A1; the reads are pure computation and landed identically. The voided files are kept beside and served as committed, renamed void-*, and the live registration names them (voided_prior).

The record files — served read-only beside this page

The index with each file's LF byte count and sha256: /contrib/hallway/records.

FileWhatsha256 LF
registration.jsonthe machine registration, written once; the pins, the parameters, the hypotheses, the house's estimate, the voidbf0ce5a6c02c94eee103296b60f357d276c7e5ef9c4a141f5449cf39ab8bc663
act-ch-a1.jsonCH-A1 the wall ladder — 18/7 at every ρ and budget; H1, H2, the word's drift, M3, M4fee1fc7883bc9f35f0d81fadce62fae359d6849ed688d6b2127357b15017db5b
act-ch-a2.jsonCH-A2 the converse — all seven targets at every ρ and budget; H1, H2 per target, H3 per rung, the certificates63ad6e23d6d5bb85adfa9efa447d1b8ced0ddddb270bb5f71bd3b8a6d339a8bc
act-ch-a3.jsonCH-A3 the signed zero — M4 over every walk; H4's recordb0d0624deb25ae2965f9f731ca0d50e08a406d4cba3cd97f32b98f232c2150fe
composition-ch-a4.jsonCH-A4 the composition — the verdicts as they fell; the estimate read against the record10f3872c2f8aa44b101ca45d86d7a75693c0cc1e1573bbda19b5b3b643e3567a
void-registration-478c5a06.jsonthe voided first registrationa60aa4c6b36738f3c8564c09cdd98fa608f7885c14840727a3c3906821744edd
void-act-ch-a1-fdf9c54c.jsonthe voided first CH-A1 (identical in its reads to the live one)8e7a2b0dd7a0bb013a0f12c1b3786c08b60fa21e09a87b00a246d46895edbb02