Evidence

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Choose two experiments by title, measurement and date. The choices include up to 50 newest public completed results, plus your current selections. Historical results stay labelled. For older records, use the evidence explorer or exact entry below.

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Clear comparison

Compare the essentials

Read each question across both results. A matching description is not proof that the studies are scientifically comparable.

Question	First result	Second result
Which proposal?	replace(old=…, new=…) — which thing leaves, and which takes its place?2026-09-05 19:31 UTC	replace(old=…, new=…) — which thing leaves, and which takes its place?2026-09-09 20:20 UTC
What was measured?	token costHow does the wording change tokenizer units for the declared tokenizer population?	token costHow does the wording change tokenizer units for the declared tokenizer population?
What was the result?	-2.75 tokens per declared itemReported interval: -3 to -2.75Counts in current evidence decisions	-2.75 tokens per declared itemReported interval: -3 to -2.75Not yet counting in evidence decisions
Compared with what?	English comparison not recorded as a structured labelCurrent tokenizer cost, not comprehension	English comparison not recorded as a structured labelCurrent tokenizer cost, not comprehension
Independently settled?	Confirmed by eligible settlementEligible fresh-input replications currently give this original a settlement majority.	No independent settlement voiceThis can test whether an implementation repeats on reused inputs, but reused inputs cannot independently confirm the claim.

Inspect first result Inspect second result

What differs in the declared methods?

These are literal recorded values, not a compatibility test. Matching declarations do not prove equivalent inputs or fair scoring. A missing structured field may be described elsewhere in the immutable specification.

What was measured · Same recorded value

First result

token_delta

Second result

token_delta

English comparison declarations · Not recorded on either side

First result

Not recorded in this structured field

Second result

Not recorded in this structured field

Tested population · Same recorded value

First result

32 prospective authored replace claims across all eight declared domains. Four containing forces per domain; one complete operation each. Not random natural prose.

Second result

32 prospective authored replace claims across all eight declared domains. Four containing forces per domain; one complete operation each. Not random natural prose.

Unit tested · Same recorded value

First result

one complete scoped claim or operation, including identical surrounding context

Second result

one complete scoped claim or operation, including identical surrounding context

Named instruments (including order) · Same recorded value

First result

[
    "cl100k_base",
    "o200k_base"
]

Second result

[
    "cl100k_base",
    "o200k_base"
]

Reader exposure · Not recorded on either side

First result

Not recorded in this structured field

Second result

Not recorded in this structured field

Exposure window · Not recorded on either side

First result

Not recorded in this structured field

Second result

Not recorded in this structured field

How results combine · Same recorded value

First result

{
    "reducer": "least_favourable",
    "rule": "Declared weighted condition means within each tokenizer; maximum tokenizer mean (least-favourable) across cl100k_base and o200k_base. Bounds are tokenizer member span, not a population confidence interval."
}

Second result

{
    "reducer": "least_favourable",
    "rule": "Declared weighted condition means within each tokenizer; maximum tokenizer mean (least-favourable) across cl100k_base and o200k_base. Bounds are tokenizer member span, not a population confidence interval."
}

Scoring declaration · Not recorded on either side

First result

Not recorded in this structured field

Second result

Not recorded in this structured field

Conditions (including order) · Same recorded value

First result

[
    {
        "id": "filter",
        "weight": 1
    },
    {
        "id": "key",
        "weight": 1
    },
    {
        "id": "battery",
        "weight": 1
    },
    {
        "id": "pump",
        "weight": 1
    },
    {
        "id": "route",
        "weight": 1
    },
    {
        "id": "template",
        "weight": 1
    },
    {
        "id": "reviewer",
        "weight": 1
    },
    {
        "id": "database",
        "weight": 1
    }
]

Second result

[
    {
        "id": "filter",
        "weight": 1
    },
    {
        "id": "key",
        "weight": 1
    },
    {
        "id": "battery",
        "weight": 1
    },
    {
        "id": "pump",
        "weight": 1
    },
    {
        "id": "route",
        "weight": 1
    },
    {
        "id": "template",
        "weight": 1
    },
    {
        "id": "reviewer",
        "weight": 1
    },
    {
        "id": "database",
        "weight": 1
    }
]

First result: full recordtoken cost · -2.75 tokens per declared item

First result · 2026-09-05 19:31 UTC

replace(old=…, new=…) — which thing leaves, and which takes its place?

Counts in current evidence decisions. This row currently contributes to evidence decisions. Its direction is separate from whether the proposal is ready for adoption.

What was measured

token cost · token_delta
How does the wording change tokenizer units for the declared tokenizer population?

Reported result

-2.75 tokens per declared item
Reported interval: -3 to -2.75.

Fewer tokens on the named current tokenizers; this is the encoded-length difference, not the proposal decision.

English comparison

English comparison not recorded as a structured label

Declared by the submitter; not a certification of equivalent information.

Tokenizer conditions

Literal encoding cost on the named current tokenizers; not comprehension.

Named instruments

cl100k_base, o200k_base

Reader population not separately declared.

Conditions covered

Separate outcomes retained for all 8 declared conditions

filter, key, battery, pump, route, template, reviewer, database

An overall average can hide a weak condition. A condition list is not proof that every form or claim in the proposal was tested.

Settlement role

Confirmed by eligible settlement

Eligible fresh-input replications currently give this original a settlement majority.

Is this result within the cost allowance?

This headline is within the allowance. The reported difference is -2.75 tokens; the current declaration allows at most 0 tokens.

This compares Ainglish minus English with the current declaration, which may differ from the declaration when the result was filed. It checks the headline only: inspect any required per-form and per-tokenizer results too.

Has the original estimate been independently reproduced?

Confirmed by eligible settlement.

Eligible fresh-input replications currently give this original a settlement majority.

Reproduction asks whether fresh-input findings agree under the settlement rule. It does not ask whether either value satisfies the cost allowance.

Being within the cost allowance is not a completed prerequisite. Reproducing an original estimate is a separate check, not proof that the allowance is met. Current evidence status, settlement and every declared result still determine readiness.

How can one check pass while the other does not?

For example, an allowance of at most +3 tokens and an original estimate of +3 ask different questions. A replication of −0.5 is within that allowance but may disagree with the original. A replication of +3.25 may reproduce +3 within the settlement tolerance while exceeding the allowance.

These are illustrative numbers, not a new settlement rule. A cost saving is not a comprehension result, and a reproduced premium does not by itself mean a proposal should be adopted or rejected.

Does the overall result hide differences between conditions?

Every stored condition, without new pooling. Differences and intervals use tokens. Condition names come from the frozen experiment.
Condition	Reported difference	Reported interval
`filter`	-3	Not recorded
`key`	-3	Not recorded
`battery`	-3	Not recorded
`pump`	-3	Not recorded
`route`	-3	Not recorded
`template`	-3	Not recorded
`reviewer`	-1	Not recorded
`database`	-3	Not recorded

A missing condition interval is not zero uncertainty. An overall interval cannot substitute for agreement in every load-bearing condition.

Inspect actual inputs and recorded answers

The comparison label is the submitter’s declaration, not a semantic certification. Check that both versions preserve the information needed to answer the same question.

Numbers count only readable inputs attached to this receipt. They are not the experiment’s declared sample size or the number of reader calls.

Showing 1–6 of 32 readable, inline study items, in stored order—not a selection of successes. 0 control items are kept separate.

Each result has its own input pages. Positions across the two studies do not imply matched cases.

Input 1

English input: In filter-slot-0, filter-C0 and filter-D0 are distinct named filter references. Please complete this single change: remove filter-C0 from its role and put filter-D0 in that role.
Ainglish input: In filter-slot-0, filter-C0 and filter-D0 are distinct named filter references. Please complete this single change: replace(old=filter-C0, new=filter-D0).
Condition: filter

Input 2

English input: In filter-slot-1, filter-C1 and filter-D1 are distinct named filter references. We completed this single change: remove filter-C1 from its role and put filter-D1 in that role.
Ainglish input: In filter-slot-1, filter-C1 and filter-D1 are distinct named filter references. We completed this single change: replace(old=filter-C1, new=filter-D1).
Condition: filter

Input 3

English input: In filter-slot-2, filter-C2 and filter-D2 are distinct named filter references. We propose this single change: remove filter-C2 from its role and put filter-D2 in that role.
Ainglish input: In filter-slot-2, filter-C2 and filter-D2 are distinct named filter references. We propose this single change: replace(old=filter-C2, new=filter-D2).
Condition: filter

Input 4

English input: In filter-slot-3, filter-C3 and filter-D3 are distinct named filter references. Simulate this single change: remove filter-C3 from its role and put filter-D3 in that role.
Ainglish input: In filter-slot-3, filter-C3 and filter-D3 are distinct named filter references. Simulate this single change: replace(old=filter-C3, new=filter-D3).
Condition: filter

Input 5

English input: In key-slot-0, key-C0 and key-D0 are distinct named key references. Please complete this single change: remove key-C0 from its role and put key-D0 in that role.
Ainglish input: In key-slot-0, key-C0 and key-D0 are distinct named key references. Please complete this single change: replace(old=key-C0, new=key-D0).
Condition: key

Input 6

English input: In key-slot-1, key-C1 and key-D1 are distinct named key references. We completed this single change: remove key-C1 from its role and put key-D1 in that role.
Ainglish input: In key-slot-1, key-C1 and key-D1 are distinct named key references. We completed this single change: replace(old=key-C1, new=key-D1).
Condition: key

Recorded input digest: f81ac597a6ca62334dc726a86659e6c9f6ae42ff2e83f15fff846b5727962787

Prompts, reference material and other context can live elsewhere in the specification. Inputs and keys alone do not reconstruct every reader call or establish a fair comparison.

Declared population, method and retained outcomes

Compared with: Current registered forms minus concise complete English carrying the same event, direction, scope, force and known quantities; no unqualified ambiguous substitute
Tested population: 32 prospective authored replace claims across all eight declared domains. Four containing forces per domain; one complete operation each. Not random natural prose.
Unit tested: one complete scoped claim or operation, including identical surrounding context
How results combine: Declared weighted condition means within each tokenizer; maximum tokenizer mean (least-favourable) across cl100k_base and o200k_base. Bounds are tokenizer member span, not a population confidence interval.

These are the study author’s declarations. A finding applies to this tested scope; this summary does not establish that another study is comparable.

Absolute arm results, reader-specific results and condition results below are retained values, not a newly pooled analysis. Accuracy arms use fractions from 0 to 1; their difference uses percentage points.

Absolute arm results

Not recorded

Reader or tokenizer results

[
    {
        "model": "cl100k_base",
        "value": -3
    },
    {
        "model": "o200k_base",
        "value": -2.75
    }
]

Condition results

[
    {
        "id": "filter",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "key",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "battery",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "pump",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "route",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "template",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "reviewer",
        "weight": 1,
        "share": 0.125,
        "value": -1,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "database",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    }
]

Exact result and immutable specification Experiment history

Attempt b9afa503-1785-40d3-80ea-dff3f9659848
Content 0d3ba25e75a595a5ee65366e50225af41f3729ca9a455634051c4cc8dbb21293

Second result: full recordtoken cost · -2.75 tokens per declared item

Second result · 2026-09-09 20:20 UTC

replace(old=…, new=…) — which thing leaves, and which takes its place?

Not yet counting in evidence decisions. This row remains available for assessment, but does not currently carry a counting evidence result.

What was measured

token cost · token_delta
How does the wording change tokenizer units for the declared tokenizer population?

Reported result

-2.75 tokens per declared item
Reported interval: -3 to -2.75.

Fewer tokens on the named current tokenizers; this is the encoded-length difference, not the proposal decision.

English comparison

English comparison not recorded as a structured label

Declared by the submitter; not a certification of equivalent information.

Tokenizer conditions

Literal encoding cost on the named current tokenizers; not comprehension.

Named instruments

cl100k_base, o200k_base

Reader population not separately declared.

Conditions covered

Separate outcomes retained for all 8 declared conditions

filter, key, battery, pump, route, template, reviewer, database

An overall average can hide a weak condition. A condition list is not proof that every form or claim in the proposal was tested.

Settlement role

No independent settlement voice

This can test whether an implementation repeats on reused inputs, but reused inputs cannot independently confirm the claim.

Is this result within the cost allowance?

This headline is within the allowance. The reported difference is -2.75 tokens; the current declaration allows at most 0 tokens.

Has the original estimate been independently reproduced?

No independent settlement voice. This replication reports -2.75 tokens; the named original reported -2.75.

This can test whether an implementation repeats on reused inputs, but reused inputs cannot independently confirm the claim.

Reproduction asks whether fresh-input findings agree under the settlement rule. It does not ask whether either value satisfies the cost allowance.

How can one check pass while the other does not?

These are illustrative numbers, not a new settlement rule. A cost saving is not a comprehension result, and a reproduced premium does not by itself mean a proposal should be adopted or rejected.

This result checks a named original, not every experiment on the proposal. Read its target original

Compare with the exact target attempt

Every declared condition must agree. Overlapping overall intervals alone do not confirm this original.

Declared target content identity

0d3ba25e75a595a5ee65366e50225af41f3729ca9a455634051c4cc8dbb21293

Does the overall result hide differences between conditions?

Every stored condition, without new pooling. Differences and intervals use tokens. Condition names come from the frozen experiment.
Condition	Reported difference	Reported interval
`filter`	-3	Not recorded
`key`	-3	Not recorded
`battery`	-3	Not recorded
`pump`	-3	Not recorded
`route`	-3	Not recorded
`template`	-3	Not recorded
`reviewer`	-1	Not recorded
`database`	-3	Not recorded

A missing condition interval is not zero uncertainty. An overall interval cannot substitute for agreement in every load-bearing condition.

Inspect actual inputs and recorded answers

The comparison label is the submitter’s declaration, not a semantic certification. Check that both versions preserve the information needed to answer the same question.

Numbers count only readable inputs attached to this receipt. They are not the experiment’s declared sample size or the number of reader calls.

Showing 1–6 of 32 readable, inline study items, in stored order—not a selection of successes. 0 control items are kept separate.

Each result has its own input pages. Positions across the two studies do not imply matched cases.

Input 1

English input: In filter-slot-0, filter-C0 and filter-D0 are distinct named filter references. Please complete this single change: remove filter-C0 from its role and put filter-D0 in that role.
Ainglish input: In filter-slot-0, filter-C0 and filter-D0 are distinct named filter references. Please complete this single change: replace(old=filter-C0, new=filter-D0).
Condition: filter

Input 2

English input: In filter-slot-1, filter-C1 and filter-D1 are distinct named filter references. We completed this single change: remove filter-C1 from its role and put filter-D1 in that role.
Ainglish input: In filter-slot-1, filter-C1 and filter-D1 are distinct named filter references. We completed this single change: replace(old=filter-C1, new=filter-D1).
Condition: filter

Input 3

English input: In filter-slot-2, filter-C2 and filter-D2 are distinct named filter references. We propose this single change: remove filter-C2 from its role and put filter-D2 in that role.
Ainglish input: In filter-slot-2, filter-C2 and filter-D2 are distinct named filter references. We propose this single change: replace(old=filter-C2, new=filter-D2).
Condition: filter

Input 4

English input: In filter-slot-3, filter-C3 and filter-D3 are distinct named filter references. Simulate this single change: remove filter-C3 from its role and put filter-D3 in that role.
Ainglish input: In filter-slot-3, filter-C3 and filter-D3 are distinct named filter references. Simulate this single change: replace(old=filter-C3, new=filter-D3).
Condition: filter

Input 5

English input: In key-slot-0, key-C0 and key-D0 are distinct named key references. Please complete this single change: remove key-C0 from its role and put key-D0 in that role.
Ainglish input: In key-slot-0, key-C0 and key-D0 are distinct named key references. Please complete this single change: replace(old=key-C0, new=key-D0).
Condition: key

Input 6

English input: In key-slot-1, key-C1 and key-D1 are distinct named key references. We completed this single change: remove key-C1 from its role and put key-D1 in that role.
Ainglish input: In key-slot-1, key-C1 and key-D1 are distinct named key references. We completed this single change: replace(old=key-C1, new=key-D1).
Condition: key

Recorded input digest: f81ac597a6ca62334dc726a86659e6c9f6ae42ff2e83f15fff846b5727962787

Prompts, reference material and other context can live elsewhere in the specification. Inputs and keys alone do not reconstruct every reader call or establish a fair comparison.

Declared population, method and retained outcomes

Compared with: Current registered forms minus concise complete English carrying the same event, direction, scope, force and known quantities; no unqualified ambiguous substitute
Tested population: 32 prospective authored replace claims across all eight declared domains. Four containing forces per domain; one complete operation each. Not random natural prose.
Unit tested: one complete scoped claim or operation, including identical surrounding context
How results combine: Declared weighted condition means within each tokenizer; maximum tokenizer mean (least-favourable) across cl100k_base and o200k_base. Bounds are tokenizer member span, not a population confidence interval.

These are the study author’s declarations. A finding applies to this tested scope; this summary does not establish that another study is comparable.

Absolute arm results

Not recorded

Reader or tokenizer results

[
    {
        "model": "cl100k_base",
        "value": -3
    },
    {
        "model": "o200k_base",
        "value": -2.75
    }
]

Condition results

[
    {
        "id": "filter",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "key",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "battery",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "pump",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "route",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "template",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "reviewer",
        "weight": 1,
        "share": 0.125,
        "value": -1,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    },
    {
        "id": "database",
        "weight": 1,
        "share": 0.125,
        "value": -3,
        "value_lo": null,
        "value_hi": null,
        "arms": null,
        "resolution_bound": "not_applicable"
    }
]

Exact result and immutable specification Experiment history

Attempt a44d9f72-438f-41ac-9f65-6c4e5feef9ea
Content c7b104dda42711dc1f8770436d056d8130bfc9eb143bc82ce456bab6e1121b47

Different wording, readers, exposure or populations can legitimately produce different results. A visible reference is not training the model’s weights. Current models and tokenizers have learned English; future Ainglish-trained performance remains a research question.