Method ledgers
A method ledger describes how evidence was produced. It records the sequence, assumptions, validation checks, and links to visible outputs so that a figure is never separated from its analytical context.
Active ledger
M81 / M82 resolved-stellar-population analysis
A six-stage workflow covering catalog preparation, overlap removal, density mapping, background estimation, Poisson signal-to-noise, and validation.
Ledger standard
Every method entry should state:
- the scientific question;
- the input data and selection boundaries;
- transformations applied to the data;
- assumptions introduced by the model;
- validation or falsification checks;
- links to source material and resulting evidence.
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