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    Linguistic Channels · Lexical channel

    Curated Synonym Codebook Simulator

    The page uses only pre-approved word pairs and fixed sentence templates. It demonstrates synchronization and fragility rather than unrestricted covert prose generation.

    Browse all labs Open universal Machine View
    Quick answer

    What does the Synonym Choices show?

    The page uses only pre-approved word pairs and fixed sentence templates. It demonstrates synchronization and fragility rather than unrestricted covert prose generation.

    Human visibility
    Natural lexical alternatives
    Machine receiver
    Shared codebook
    Robustness
    Fragile to paraphrase and editing

    Research boundary: this page uses bounded, inert data and fixed safe examples. It never executes decoded content, requests secrets, calls third-party services, or performs actions against external systems.

    FIRST RUN / THREE STEPS

    Start with the prepared, bounded workflow.

    Nothing runs automatically
    1. Review the prepared starter input

      A bounded benign input is already present. Change it only when you are ready to test a different authorized artifact.

    2. Run Encode benign bits

      Run the normal first-pass analysis for the prepared values above.

    3. Scan before expanding

      Read the summary first, then scan findings and expand only the machine views you need.

    INPUT / CONTROL PLANE

    Prepare the input and choose one action.

    Ready

    The recommended first run is separated from alternate analyses. Inputs and selected files stay on this host.

    Current input state Six-bit sample loaded

    These bounded starter values are ready to inspect. Review them before running the recommended action.

    6 / 16 bytes

    Maximum 16 bits.

    Maximum: 16 UTF-8 bytes. Use only the digits 0 and 1.

    67 / 4,096 bytes

    Enter or paste one bounded, authorized artifact. The original value remains in the form so you can revise and rerun it.

    Maximum: 4,096 UTF-8 bytes.

    Switch prepared example2 options

    Loading a sample changes only the form values. Review the result and run an action yourself.

    Prepared benign examples
    ACTION HIERARCHY

    Run the recommended first pass.

    Alternate actions remain available below, but the first pass is the clearest place to start.

    Other analyses2 actions

    Inputs remain on this host. Text operations are size-limited; uploaded files are processed from PHP’s temporary upload and are not retained by the application.

    OUTPUT / MACHINE VIEWS

    Scan the result from summary to evidence.

    Run Encode benign bits to create the first result.

    The prepared starter input is ready. The output will lead with a summary and visible qualifications before the expandable machine views.

    SummaryFindingsMachine views
    Interpretation framework

    The same artifact can produce several valid observations.

    01

    Human view

    What a person naturally reads, sees, or hears.

    02

    Structural view

    What a parser, DOM, container reader, or metadata extractor exposes.

    03

    Decoder view

    What becomes meaningful only with a rule, key, tokenizer, model, or tool.

    04

    Defensive view

    What normalization, rendering, OCR, canonicalization, or policy changes.

    Evidence and decision boundary

    Use the result as bounded evidence, not as a universal verdict.

    The page uses only pre-approved word pairs and fixed sentence templates. It demonstrates synchronization and fragility rather than unrestricted covert prose generation.

    Interpretation rule

    Record the receiver and transformation.

    Machine-decodable is receiver-relative. Record the parser, preprocessing, codebook, tokenizer, key, model, and transformation path before generalizing from one result.

    Limitations

    What this page does not prove

    Dictionary synonyms are context-dependent. The simulator uses fixed sentences and should not be treated as a general semantic-preserving text generator.

    Continue the investigation

    Related labs and source reports

    Acrostics Known positional rule Word-Length Patterns Counting rule Punctuation & Style Style codebook or stylometric model Hidden Information Through Synonym and Word-Choice Encoding Research report Semantic-Category and Language-Model Text Steganography Research report
    Continue exploring

    Move from the current explanation to a related guide, evidence source, or controlled workbench.

    Laboratory catalogChoose a focused local experimentBrowse 40 bounded laboratories spanning representation, files, messages, models, provenance, agents, supply chains, and defense.Open this path Topic guideAnalyze linguistic steganography carefullySeparate keyed word choice, syntax, style, and semantic channels from unsupported universal-decoding claims.Open this path Defensive architectureBuild a safer model-ingestion boundaryPreserve evidence, compare representations, canonicalize allowlisted fields, retain provenance, and minimize privilege.Open this path