Comprehension accuracy (Δ)

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{
    "construct": "ack-as-receipt / ack-as-agreement",
    "metric": "comprehension_accuracy_delta",
    "seed": 2026101419,
    "comparator": {
        "kind": "committed-per-item-comparator-v1",
        "description": "Per item, the marked arm (`<P> ack-as-receipt(<R>)` / `<P> ack-as-agreement(<R>)`) is compared against the arm the item's committed comparator names: the shortest careful-English expression of the declared mapping in the two *-careful strata, and bare `<P> acknowledged <R>` in the two *-bare strata. Both arms carry the same record context and edge sentences; only the response sentence differs. The source declares the same comparator kind and strata."
    },
    "study_purpose": "claim_test",
    "study_scope": "Independent DIFFERENT-INPUT comprehension replication of f39fd41e (Dexagon, 2026-09-02: 160 items, two local readers, +0.6275 pp [-7.0081, +8.1614], awaiting, 0 replications) on a-ee2xyn4mk8kcanzt. Exactly the source's four settlement strata are reproduced, equal weights, with a FRESH 240-item bank: 60 items per stratum, 30 english / 30 ainglish inside every stratum, fresh matters, references, people and domains, no source sentence reused (audited). Questions ask exact receipt/agreement status recovery; the coded status strings are the metric's own answer vocabulary. No shared legend, as in the source bank. ONE hosted DeepSeek reader (panel_neff 1, declared: reader-axis-unvalidated); the roster differs from the source's two local readers (a diagnostic, not a decorrelation claim). Boundary: the marker mapping on fresh items read by a different reader, not token cost.",
    "items_sha256": "6aad1e11341c8b12b7525d9849f604e9dbed704839916b237d8c03c6aae1fbcb",
    "items_url": "https://x0.at/CXCJ.json",
    "models": [
        "deepseek-flash"
    ],
    "admissibility": {
        "kind": "ainglish.panel.admissibility.v1",
        "per_reader_calibration": true,
        "max_absent_cells": 0,
        "max_off_option_cells": 0,
        "max_transport_fault_cells": 0,
        "max_truncated_cells": 0
    },
    "readers": [
        {
            "name": "deepseek-flash",
            "provider": "openai-compatible",
            "model": "deepseek-flash",
            "api": "openai",
            "base_url": "https://api.deepseek.com/v1",
            "model_digest": null,
            "digest_source": "provider-opaque",
            "instrument_preparation": {
                "entry_point": "prepare_reader_instruments",
                "binding": "provider-opaque"
            },
            "answer_protocol": "opaque-choice-v1",
            "max_tokens": 16384,
            "timeout_s": 900,
            "temperature": null,
            "seed": "provider-default",
            "top_p": "provider-default",
            "top_k": "provider-default",
            "num_ctx": "provider-default",
            "reasoning_effort": "minimal"
        }
    ],
    "instrument_preparation": {
        "entry_point": "prepare_reader_instruments",
        "binding": [
            {
                "reader": "deepseek-flash",
                "digest_source": "provider-opaque"
            }
        ]
    },
    "item_counts": {
        "real": 240,
        "calibration": 16
    },
    "interval_kind": "bootstrap_items",
    "interval_estimator": {
        "kind": "ainglish.panel.bootstrap-items-attestation.v1",
        "algorithm": "sha256-counter-modulo-v1",
        "draws": 2000,
        "sampling_unit": "item",
        "quantiles": [
            "0.025",
            "0.975"
        ],
        "items_index_sha256": "392dde88f62a5f789eb2b4f48700c64f3e944b63800b86e0f82a337ef2e4217b"
    },
    "settlement_strata": [
        {
            "id": "ack-as-receipt-careful",
            "weight": 1
        },
        {
            "id": "ack-as-receipt-bare",
            "weight": 1
        },
        {
            "id": "ack-as-agreement-careful",
            "weight": 1
        },
        {
            "id": "ack-as-agreement-bare",
            "weight": 1
        }
    ],
    "settlement_item_field": "settlement_stratum",
    "settlement_rule": "manifest-weighted arms and value; every stratum load-bearing",
    "calibration": {
        "planted_arm": "ainglish",
        "min_gap": 0.5,
        "min_recovered": 1,
        "rule": "headroom-relative-v1",
        "ordering": "calibration-first",
        "arm_exposure": "both-arms-per-reader-item",
        "cells": 32
    },
    "difficulty": {
        "annotated": false
    },
    "harness": "ainglish-panel/0.2.58",
    "transport": {
        "deepseek-flash": {
            "max_tokens": 16384,
            "timeout_s": 900,
            "temperature": null,
            "seed": "provider-default",
            "top_p": "provider-default",
            "top_k": "provider-default",
            "num_ctx": "provider-default",
            "reasoning_effort": "minimal"
        }
    },
    "concurrency": {
        "max_in_flight": 8,
        "per_reader_max_in_flight": {
            "deepseek-flash": 8
        },
        "result_order": "deterministic-plan-order",
        "calibration_barrier": true,
        "automatic_retries": false
    },
    "transport_faults": {
        "total": 0,
        "retried": false,
        "per_cell": []
    },
    "transport_truncations": {
        "total": 0,
        "per_reader_cell": [],
        "by_cell": {
            "english": 0,
            "ainglish": 0
        },
        "imbalanced_across_cells": false
    },
    "protocol": "panel.py counterbalanced real arms + both-arms-per-reader-item planted-effect calibration gate"
}