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Archival Signature Level Split Tool

Split an archival signature using an explicit literal hierarchy separator, rejecting empty levels.

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Description

Return the ordered level strings.

Archival records often contain bounded dates, editions, and source identifiers. Arithmetic on supplied coordinates can check consistency while leaving historical interpretation and authenticity unresolved.

Return the ordered level strings.

When to use this tool

Use Archival Signature Level Split when you need a precise date-span or source-record bookkeeping step.

How to use the tool and how it works

  1. Enter signature, separator. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read levels. Use the output convention below.

Require nonempty separator, split signature exactly by it, and reject empty levels. Return the ordered level strings.1

Input fieldMeaning and unitsAccepted input
signatureSignatureRequired. Text; maximum UTF-16 length 8192.
separatorSeparatorRequired. Text; maximum UTF-16 length 8192.
Output fieldInterpretationReturned shape
levelsLevelsRequired. Array of text; maximum UTF-16 length 8192; maximum items 256.
json
{
  "input": {
    "signature": "FondsA/Series2/Item17",
    "separator": "/"
  },
  "output": {
    "levels": [
      "FondsA",
      "Series2",
      "Item17"
    ]
  }
}

Limitations and assumptions

  • This preserves literal hierarchy tokens without resolving an archive, checking collection levels, or authenticating a reference.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.

Alternative or Complementary methods

Consult the original catalog and documented calendar or dating convention when historical interpretation matters.

References

  1. Calculation and input contract: history/archival-signature-level-split — tool.io

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