Cached graph evidence — Polymath IN_BATCH Y Combinator

Extracted entities

{
  "status": "Raw JSONL unavailable; reconstructed from graph edge provenance.",
  "relations": [
    {
      "edge_type": "IN_BATCH",
      "from": {
        "kind": "company",
        "name": "Polymath"
      },
      "to": {
        "kind": "accelerator",
        "name": "Y Combinator"
      },
      "valid_at": null,
      "provenance": {
        "source": "yc",
        "extractor": "ingest-v1",
        "confidence": 1.0,
        "source_url": "https://www.ycombinator.com/companies/polymath",
        "observed_at": "2026-07-18T18:40:52.354430+00:00",
        "source_signal_id": "52a35f47fe3a71b2"
      }
    }
  ]
}

Raw payload (verbatim — the evidence)

{
  "signal_id": "52a35f47fe3a71b2",
  "raw_payload_status": "unavailable",
  "provenance": {
    "source": "yc",
    "extractor": "ingest-v1",
    "confidence": 1.0,
    "source_url": "https://www.ycombinator.com/companies/polymath",
    "observed_at": "2026-07-18T18:40:52.354430+00:00",
    "source_signal_id": "52a35f47fe3a71b2"
  },
  "relations": [
    {
      "edge_type": "IN_BATCH",
      "from": {
        "kind": "company",
        "name": "Polymath"
      },
      "to": {
        "kind": "accelerator",
        "name": "Y Combinator"
      },
      "valid_at": null,
      "provenance": {
        "source": "yc",
        "extractor": "ingest-v1",
        "confidence": 1.0,
        "source_url": "https://www.ycombinator.com/companies/polymath",
        "observed_at": "2026-07-18T18:40:52.354430+00:00",
        "source_signal_id": "52a35f47fe3a71b2"
      }
    }
  ]
}