{
  "handle": "Summary",
  "mechanism": "A compressed representation of a {{datum}} or {{artifact}} that retains high-{{value}} (salient) information while discarding redundancy.",
  "gloss": "Condensed information",
  "_meta": {
    "ring": 1,
    "tier": 1,
    "supersedes": [
      "sema:Summary#mh:SHA-256:310e68dd2e7016cbc97e43f87f5aa17631699e4ca49e65d0b43c6d8811a401de",
      "sema:Summary#mh:SHA-256:7b63fff5bd05b2c584fcb5f0da4af60d5d6bf01baaf07c2e688054250c9e226e"
    ],
    "path": [
      "Infrastructure",
      "Data Structures"
    ]
  },
  "data_schema": {
    "type": "object",
    "required": [
      "source_ref"
    ],
    "properties": {
      "source_ref": {
        "type": "string",
        "description": "sema_id of the source being summarized"
      },
      "compression_ratio": {
        "type": "number",
        "minimum": 0,
        "maximum": 1,
        "description": "Size ratio (summary_len/source_len)"
      },
      "preserves": {
        "type": "array",
        "items": {
          "type": "string"
        },
        "description": "Semantic dimensions preserved (e.g., 'thesis', 'timeline', 'constraints')"
      }
    }
  },
  "sema_ref": "Summary#105b",
  "sema_id": "sema:Summary#mh:SHA-256:105bfe88ac0e033c2e4ca8ecb4e748cec0d9716818329fdf40de9be0a06a0acf",
  "sema_stub": "105b",
  "dependencies": {
    "composes_with": {
      "artifact": "sema:Artifact#mh:SHA-256:b533ad2674ec00c5e9a5f1e3920f1097e2bc1eea7263f89e8f46563fa319a0ee",
      "datum": "sema:Datum#mh:SHA-256:f90456c1067ac5db4e9825a82a22bc58086022f8acd0d0f63fdfeaeb6be2e937"
    },
    "references": {
      "value": "sema:Value#mh:SHA-256:37fd75758d04cdd7f57a636ccb5394d463713d60c33b694e37ab71f4a5a896f8"
    }
  },
  "sema_layer": "Infrastructure",
  "sema_category": "Data Structures",
  "used_by": {
    "yields": {
      "Summarize": "sema:Summarize#mh:SHA-256:98dbf6e131bc82331b818b0b8fe816580020629f334d12e7c4c51b3f93c1c2d5"
    }
  }
}