{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://aslice.sh/schematics/json/slice.schema.json",
  "title": "aslice .slice container descriptor",
  "description": "Schema for slice.json inside a .slice archive. Byte layout and semantic checks: docs/SLICE-FORMAT.md. This descriptor cannot authenticate itself; the archive digest and detached signature are verified before extraction.",
  "type": "object",
  "additionalProperties": false,
  "required": ["slice_version", "archive", "compression", "manifest", "payload", "payload_entries", "payload_bytes"],
  "properties": {
    "slice_version": {"type": "integer", "const": 1},
    "archive": {"type": "string", "const": "pax"},
    "compression": {"type": "string", "const": "zstd"},
    "manifest": {
      "type": "object",
      "additionalProperties": false,
      "required": ["path", "artifact_id", "size"],
      "properties": {
        "path": {"type": "string", "const": "manifest.json"},
        "artifact_id": {"type": "string", "pattern": "^sha256:[0-9a-f]{64}$"},
        "size": {"type": "integer", "minimum": 1, "maximum": 16777216}
      }
    },
    "payload": {"type": "string", "const": "payload/"},
    "payload_entries": {"type": "integer", "minimum": 0, "maximum": 1000000},
    "payload_bytes": {"type": "integer", "minimum": 0, "maximum": 1099511627776}
  }
}