{
  "schema_version": "1.0.0",
  "license": "CC0-1.0",
  "docs": "https://mike.quarterly.systems/llms.txt",
  "generated_at": "2026-08-07T03:37:41.699Z",
  "commit": "4e33f3cd812109539f1d1b34dd614bb3c35a5c26",
  "id": "knowledge-expansion",
  "title": "Knowledge Base Expansion Rate (KBER)",
  "unit": "Total Notes",
  "frequency": "monthly",
  "category": "Learning",
  "source": "Obsidian Vault Manual Count",
  "calculation": "Total count of all markdown files in vault (daily notes, permanent notes, reference materials, MOCs)",
  "baseline": null,
  "date_convention": "release-lag",
  "vintages": [],
  "observations": [
    {
      "date": "2025-10-01",
      "period": {
        "start": "2025-09-01",
        "end": "2025-09-30"
      },
      "value": 2975,
      "notes": "October baseline set"
    },
    {
      "date": "2025-11-01",
      "period": {
        "start": "2025-10-01",
        "end": "2025-10-31"
      },
      "value": 3135,
      "notes": "+160 notes from October"
    },
    {
      "date": "2025-12-01",
      "period": {
        "start": "2025-11-01",
        "end": "2025-11-30"
      },
      "value": 3482,
      "notes": "ESTIMATED — not a measurement. No vault count was taken for this month; vault tracking was intermittent over this stretch. First of three consecutive estimated months: assumes steady growth of ~347 notes/month from the last measured count (3135, row 2025-11-01). Measurement resumes at row 2026-03-01 (4586).",
      "estimated": true
    },
    {
      "date": "2026-01-01",
      "period": {
        "start": "2025-12-01",
        "end": "2025-12-31"
      },
      "value": 3829,
      "notes": "ESTIMATED — not a measurement. No vault count was taken for this month. Second of three consecutive estimated months: same ~347 notes/month assumption carried forward from the last measured count (3135, row 2025-11-01). Measurement resumes at row 2026-03-01 (4586).",
      "estimated": true
    },
    {
      "date": "2026-02-01",
      "period": {
        "start": "2026-01-01",
        "end": "2026-01-31"
      },
      "value": 4177,
      "notes": "ESTIMATED — not a measurement. No vault count was taken for this month. Third of three consecutive estimated months: same ~347 notes/month assumption carried forward from the last measured count (3135, row 2025-11-01). Measurement resumes at row 2026-03-01 (4586).",
      "estimated": true
    },
    {
      "date": "2026-03-01",
      "period": {
        "start": "2026-02-01",
        "end": "2026-02-28"
      },
      "value": 4586,
      "notes": "+409 notes from February"
    },
    {
      "date": "2026-04-01",
      "period": {
        "start": "2026-03-01",
        "end": "2026-03-31"
      },
      "value": 5423,
      "notes": "+837 notes from March"
    },
    {
      "date": "2026-05-01",
      "period": {
        "start": "2026-04-01",
        "end": "2026-04-30"
      },
      "value": 5792,
      "notes": "+369 notes (vault snapshot 2026-05-21)"
    },
    {
      "date": "2026-06-01",
      "period": {
        "start": "2026-05-01",
        "end": "2026-05-31"
      },
      "value": 5944,
      "notes": "+152 notes (vault snapshot 2026-06-02)"
    },
    {
      "date": "2026-07-01",
      "period": {
        "start": "2026-06-01",
        "end": "2026-06-30"
      },
      "value": 6158,
      "notes": "+214 notes (vault snapshot 2026-07-04)"
    },
    {
      "date": "2026-08-01",
      "period": {
        "start": "2026-07-01",
        "end": "2026-07-31"
      },
      "value": 18200,
      "notes": "One-time Evernote to Obsidian migration backfill: +12,042 notes against a ~245/mo baseline. Inorganic; not organic note-taking. Vault snapshot 2026-08-05."
    }
  ]
}