{
  "story_id": "978e2360b340e22a5c27efb706c0f668",
  "desk": "drm3",
  "revision": 1,
  "published_at": "2026-09-04T22:29:50.000Z",
  "content_hash": "f6ac4956e46755c411dc75a47e2fca5eab69db978b4c7a9048b0bc63975d882f",
  "hash_basis": "sha256 over `headline\\ndek\\nprose`, plus `\\n` + the canonical citations JSON when any source is placed, plus `\\n#blog` for blogs",
  "basis": {
    "headline": "NHTSA opens probe into Tesla Cybercab certification compliance",
    "dek": "NHTSA opened an investigation into whether Tesla properly certified its autonomous Cybercab robotaxi for federal safety standards.",
    "prose": "The U.S. National Highway Traffic Safety Administration (NHTSA) opened an investigation on 2026-07-10 into whether Tesla properly certified its autonomous Cybercab robotaxi for compliance with federal motor vehicle safety standards. [^1]\n\nThe HAAM Day Music Festival returns on Tuesday, September 22, 2026, at various venues throughout Austin, Texas. [^2]\n\nNHTSA said the Cybercab lacks conventional manual controls, including a steering wheel, brake pedal, accelerator pedal and mirrors. [^3]\n\nTesla began commercial deployment of a small number of two-seater Cybercabs in Austin, Texas on 2026-07-09. [^4]\n\nHAAM (Health Alliance for Austin Musicians) describes the HAAM Day Music Festival as the world's largest one-day, all-local music festival, featuring 400+ local musicians. [^5]\n\nHAAM reports that since 2005 it has provided more than $215 million in healthcare services to Austin-area musicians, DJs, and music teachers. [^6]\n\nHAAM states the festival includes 250+ performances across 120+ venues throughout Greater Austin and beyond. [^7]",
    "cited": "[{\"statement\":\"The U.S. National Highway Traffic Safety Administration (NHTSA) opened an investigation on 2026-07-10 into whether Tesla properly certified its autonomous Cybercab robotaxi for compliance with federal motor vehicle safety standards.\",\"source\":\"Investing.com\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-04T17:24:21.000Z\",\"publisher_count\":1,\"sources\":[\"Investing.com\"]},{\"statement\":\"The HAAM Day Music Festival returns on Tuesday, September 22, 2026, at various venues throughout Austin, Texas.\",\"source\":\"KUTX\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-04T22:29:50.000Z\",\"publisher_count\":1,\"sources\":[\"KUTX\"]},{\"statement\":\"NHTSA said the Cybercab lacks conventional manual controls, including a steering wheel, brake pedal, accelerator pedal and mirrors.\",\"source\":\"Investing.com\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-04T17:24:21.000Z\",\"publisher_count\":1,\"sources\":[\"Investing.com\"]},{\"statement\":\"Tesla began commercial deployment of a small number of two-seater Cybercabs in Austin, Texas on 2026-07-09.\",\"source\":\"Investing.com\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-04T17:24:21.000Z\",\"publisher_count\":1,\"sources\":[\"Investing.com\"]},{\"statement\":\"HAAM (Health Alliance for Austin Musicians) describes the HAAM Day Music Festival as the world's largest one-day, all-local music festival, featuring 400+ local musicians.\",\"source\":\"KUTX\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-04T22:29:50.000Z\",\"publisher_count\":1,\"sources\":[\"KUTX\"]},{\"statement\":\"HAAM reports that since 2005 it has provided more than $215 million in healthcare services to Austin-area musicians, DJs, and music teachers.\",\"source\":\"KUTX\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-04T22:29:50.000Z\",\"publisher_count\":1,\"sources\":[\"KUTX\"]},{\"statement\":\"HAAM states the festival includes 250+ performances across 120+ venues throughout Greater Austin and beyond.\",\"source\":\"KUTX\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-04T22:29:50.000Z\",\"publisher_count\":1,\"sources\":[\"KUTX\"]}]",
    "kind": "news"
  },
  "receipt_verify": "Ed25519 over the dot-joined string `slice_hash.cursor_from.cursor_to.view.view_version.row_count`; public_key and sig are base64url of the raw 32-byte key / 64-byte signature",
  "receipt": null,
  "receipt_note": "this revision predates receipt-keeping (before v0.37.0); the filed row lives in the record",
  "generation_chain": {
    "wire": {
      "stream": "fountain_news",
      "story_id": "24d9c2d53aa929002af213a8515d1522",
      "thread_id": "6366b18a0fda1690c47df44a7450c816",
      "thread_label": "Austin, Texas",
      "novelty": "UPDATE",
      "content_hash": "9367a34ec2605df0059a91d98e078f4ebff326836ca2e9f3a9a6443cddf7afcf",
      "last_published_at": "2026-09-04T22:29:50.000Z",
      "read_receipt": {
        "slice_hash": "c1ec7a688700c8feb7c93fd15d8f07a72822daa760f7fdc967af8dca9fbb4560",
        "cursor_from": "eyJ0cyI6IjIwMjYtMDktMDRUMjE6MzA6MDkuMDAwMDAwWiIsImlkIjoiYmVhZjQxZWQ0ODJiNmEwYThmZWFhZDJmNmMyYTdjZmEiLCJ2IjoiMSJ9",
        "cursor_to": "eyJ0cyI6IjIwMjYtMDktMDRUMjM6NTY6MjQuMDAwMDAwWiIsImlkIjoiZmJlYjk2OGVkMGRiMThiYjAxOWNhMGUyYTliY2VmZGYiLCJ2IjoiMSJ9",
        "view": "v_fountain_news",
        "view_version": "1",
        "row_count": 61,
        "window_days": 3,
        "bytes_scanned": 8103881,
        "credits": 4.88,
        "price_per_100_rows": 8,
        "sig": "MIatCodmHIHbY3JbYHwyB04WLmSu_IMHjAMiu7JHzONEu9Scg2CmoUsHA1mK2joCRPKFbqqEbcGvQ2MtMvwnCg",
        "public_key": "bMUigy8O0jOnBxQ4Sc-5lwhIZ8LQVAhxMbR7qESVuUE",
        "signer_path": "lakehouse/data-extract/v1",
        "alg": "Ed25519",
        "signed": true
      }
    },
    "written_at": "2026-09-05T00:35:58.081Z"
  },
  "cited_facts": [
    {
      "statement": "The U.S. National Highway Traffic Safety Administration (NHTSA) opened an investigation on 2026-07-10 into whether Tesla properly certified its autonomous Cybercab robotaxi for compliance with federal motor vehicle safety standards.",
      "source": "Investing.com",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-04T17:24:21.000Z",
      "publisher_count": 1,
      "sources": [
        "Investing.com"
      ]
    },
    {
      "statement": "The HAAM Day Music Festival returns on Tuesday, September 22, 2026, at various venues throughout Austin, Texas.",
      "source": "KUTX",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-04T22:29:50.000Z",
      "publisher_count": 1,
      "sources": [
        "KUTX"
      ]
    },
    {
      "statement": "NHTSA said the Cybercab lacks conventional manual controls, including a steering wheel, brake pedal, accelerator pedal and mirrors.",
      "source": "Investing.com",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-04T17:24:21.000Z",
      "publisher_count": 1,
      "sources": [
        "Investing.com"
      ]
    },
    {
      "statement": "Tesla began commercial deployment of a small number of two-seater Cybercabs in Austin, Texas on 2026-07-09.",
      "source": "Investing.com",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-04T17:24:21.000Z",
      "publisher_count": 1,
      "sources": [
        "Investing.com"
      ]
    },
    {
      "statement": "HAAM (Health Alliance for Austin Musicians) describes the HAAM Day Music Festival as the world's largest one-day, all-local music festival, featuring 400+ local musicians.",
      "source": "KUTX",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-04T22:29:50.000Z",
      "publisher_count": 1,
      "sources": [
        "KUTX"
      ]
    },
    {
      "statement": "HAAM reports that since 2005 it has provided more than $215 million in healthcare services to Austin-area musicians, DJs, and music teachers.",
      "source": "KUTX",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-04T22:29:50.000Z",
      "publisher_count": 1,
      "sources": [
        "KUTX"
      ]
    },
    {
      "statement": "HAAM states the festival includes 250+ performances across 120+ venues throughout Greater Austin and beyond.",
      "source": "KUTX",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-04T22:29:50.000Z",
      "publisher_count": 1,
      "sources": [
        "KUTX"
      ]
    }
  ],
  "note": "A signature proves who filed this and that it has not changed since. It never makes a claim true."
}