---
slug: "Datum"
name: "Datum"
type: "Data Structures"
layer: "Infrastructure"
ref: "Datum#f904"
sema_id: "sema:Datum#mh:SHA-256:f90456c1067ac5db4e9825a82a22bc58086022f8acd0d0f63fdfeaeb6be2e937"
tags: ["Infrastructure","Data Structures"]
updated: 2026-11-11
mindscape: "bootstrap"
index_url: https://mindscape.pages.dev/bootstrap/index.json
url: https://mindscape.pages.dev/bootstrap/Datum/
related: ["Anomaly","Assumption","Cache","CognitiveBias","Critique","Induction","Interpret","Noise","Summarize","Summary","Think","Translate"]
---

# Datum

Raw unit of fact

Layer: Infrastructure · Category: Data Structures

## Mechanism

A single unit of raw, unprocessed fact. Unlike information, it has no attached meaning yet, just existence. Singular of Data.

## Invariants

—

## Failure modes

—

## Data schema

```json
{
  "type": "object",
  "required": [
    "payload",
    "source_id"
  ],
  "properties": {
    "payload": {
      "description": "The raw fact or value (any valid JSON)"
    },
    "source_id": {
      "type": "string",
      "description": "Origin of the datum"
    },
    "timestamp": {
      "type": "string",
      "format": "date-time"
    }
  }
}
```

## Builds on

—

## Used by

- [Anomaly](https://mindscape.pages.dev/bootstrap/Anomaly.md) (Infrastructure; References)
- [Assumption](https://mindscape.pages.dev/bootstrap/Assumption.md) (Infrastructure; References)
- [Cache](https://mindscape.pages.dev/bootstrap/Cache.md) (Infrastructure; References)
- [CognitiveBias](https://mindscape.pages.dev/bootstrap/CognitiveBias.md) (Infrastructure; References)
- [Critique](https://mindscape.pages.dev/bootstrap/Critique.md) (Mind; Accepts)
- [Induction](https://mindscape.pages.dev/bootstrap/Induction.md) (Mind; References)
- [Interpret](https://mindscape.pages.dev/bootstrap/Interpret.md) (Mind; Accepts)
- [Noise](https://mindscape.pages.dev/bootstrap/Noise.md) (Physics; References)
- [Summarize](https://mindscape.pages.dev/bootstrap/Summarize.md) (Mind; Accepts)
- [Summary](https://mindscape.pages.dev/bootstrap/Summary.md) (Infrastructure; Composes with)
- [Think](https://mindscape.pages.dev/bootstrap/Think.md) (Mind; Yields)
- [Translate](https://mindscape.pages.dev/bootstrap/Translate.md) (Mind; Accepts)

## Identity

- Sema ID: `sema:Datum#mh:SHA-256:f90456c1067ac5db4e9825a82a22bc58086022f8acd0d0f63fdfeaeb6be2e937`
- Ref: `Datum#f904`

## Links

- [Pattern page](https://mindscape.pages.dev/bootstrap/Datum/)
- [View in the interactive graph](https://mindscape.pages.dev/bootstrap/#Datum)
- [JSON](https://mindscape.pages.dev/bootstrap/Datum.json)
- [Index of all patterns](https://mindscape.pages.dev/bootstrap/index.json)