{
  "schema": "certforge.artifact_identity.v1",
  "artifact_id": "art_sample_eip_v1",
  "package_id": "POW-CERT-2026-0720-C4F1",
  "name": "Echo Inventory Pulse v1.0.0",
  "content_digest_sha256": "392e9c6d3e086c190377f824ccc86e06b56dbc84b35f7a8b8ba0dbeca57a2700",
  "media_type": "application/vnd.echosforge.artifact+tar",
  "submitted_at": "2026-07-20T16:42:11.000Z",
  "submitter": "sample-customer@example.invalid",
  "source_forge": "hephaestion",
  "labels": {
    "env": "sample",
    "purpose": "proof-of-work"
  }
}