Infrastructure · Data Structures

Datum

Raw unit of fact

Definition

Mechanism

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

Invariants

None stated.

Risks

Failure modes

None stated.

Relationships

Root pattern: builds on nothing in this library.

Used by

References

Anomaly

Datum whose observed value deviates from the expected baseline, triggering investigation

Cache

Keyed storage for reusing previously obtained values

Physics

Noise

Irrelevant information

Accepts

Mind

Critique

Qualitative feedback generation

Mind

Interpret

Deriving semantic meaning from raw signal

Mind

Summarize

Lossy compression preserving salience

Mind

Translate

Convert form while preserving meaning

Composes with

Yields

Mind

Think

Atomic cognitive step

Reference

Data schema

{
  "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"
    }
  }
}

Identity

Ref
Datum#f904
Sema ID
sema:Datum#mh:SHA-256:f90456c1067ac5db4e9825a82a22bc58086022f8acd0d0f63fdfeaeb6be2e937
Ring
1
Tier
1
Updated
2026-11-11