{
  "story_id": "8e29ee76889a7ee56f09dfe610d35f96",
  "desk": "drm3",
  "revision": 1,
  "published_at": "2026-09-01T22:16:49.000Z",
  "content_hash": "9e5b233ac6cc2d5b72c4820622aa57f3cb36fba240820bb4e4b6bef1496c09ed",
  "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": "Mexico City Activates Yellow Rain Alert for Monday",
    "dek": "Mexico City civil protection activated a yellow alert for heavy rain and possible hail across multiple boroughs on August 31, 2026.",
    "prose": "The Government of Mexico City activated a Yellow Alert for heavy rain and possible hail on Monday, August 31, 2026, for the afternoon and evening. [^1]\n\nHéctor Ulises García Nieto, the Secretary of Mobility for Mexico City, announced on 2026-08-31 that the deadline for companies to submit proposals for the Line 3 Metro renovation project has been extended to September 7, 2026. [^2]\n\nThe Mexico City Mobility Secretariat (Semovi) and the Mexico City Government extended the deadline for obtaining a permanent driver's license to December 31, 2026. [^3]\n\nCivil Protection authorities activated the alert for the boroughs of Álvaro Obregón, Benito Juárez, Coyoacán, Cuajimalpa, Iztapalapa, Magdalena Contreras, Miguel Hidalgo, Milpa Alta, Tláhuac, Tlalpan, and Xochimilco. [^4]\n\nOfficials forecasted rainfall between 15 and 29 millimeters and possible hail between 13:30 and 20:00 hours on Monday, August 31, 2026. [^5]\n\nThe Line 3 Metro renovation project is being executed through a coinvestment model involving the Government of Mexico City and a private company selected via an open process. [^6]\n\nThe original deadline for private companies to present their coinvestment proposals for the Line 3 Metro renovation was established for August 31, 2026. [^7]\n\nResidents were advised to carry umbrellas or raincoats, use the rain to water plants, and clear drainage grates of trash or objects that could cause obstructions. [^8]",
    "cited": "[{\"statement\":\"The Government of Mexico City activated a Yellow Alert for heavy rain and possible hail on Monday, August 31, 2026, for the afternoon and evening.\",\"source\":\"López-Dóriga Digital\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T19:53:43.000Z\",\"publisher_count\":1,\"sources\":[\"López-Dóriga Digital\"]},{\"statement\":\"Héctor Ulises García Nieto, the Secretary of Mobility for Mexico City, announced on 2026-08-31 that the deadline for companies to submit proposals for the Line 3 Metro renovation project has been extended to September 7, 2026.\",\"source\":\"El Universal\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T20:06:18.000Z\",\"publisher_count\":1,\"sources\":[\"El Universal\"]},{\"statement\":\"The Mexico City Mobility Secretariat (Semovi) and the Mexico City Government extended the deadline for obtaining a permanent driver's license to December 31, 2026.\",\"source\":\"El Universal\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-01T22:16:49.000Z\",\"publisher_count\":1,\"sources\":[\"El Universal\"]},{\"statement\":\"Civil Protection authorities activated the alert for the boroughs of Álvaro Obregón, Benito Juárez, Coyoacán, Cuajimalpa, Iztapalapa, Magdalena Contreras, Miguel Hidalgo, Milpa Alta, Tláhuac, Tlalpan, and Xochimilco.\",\"source\":\"López-Dóriga Digital\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T19:53:43.000Z\",\"publisher_count\":1,\"sources\":[\"López-Dóriga Digital\"]},{\"statement\":\"Officials forecasted rainfall between 15 and 29 millimeters and possible hail between 13:30 and 20:00 hours on Monday, August 31, 2026.\",\"source\":\"López-Dóriga Digital\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T19:53:43.000Z\",\"publisher_count\":1,\"sources\":[\"López-Dóriga Digital\"]},{\"statement\":\"The Line 3 Metro renovation project is being executed through a coinvestment model involving the Government of Mexico City and a private company selected via an open process.\",\"source\":\"El Universal\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T20:06:18.000Z\",\"publisher_count\":1,\"sources\":[\"El Universal\"]},{\"statement\":\"The original deadline for private companies to present their coinvestment proposals for the Line 3 Metro renovation was established for August 31, 2026.\",\"source\":\"El Universal\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T20:06:18.000Z\",\"publisher_count\":1,\"sources\":[\"El Universal\"]},{\"statement\":\"Residents were advised to carry umbrellas or raincoats, use the rain to water plants, and clear drainage grates of trash or objects that could cause obstructions.\",\"source\":\"López-Dóriga Digital\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T19:53:43.000Z\",\"publisher_count\":1,\"sources\":[\"López-Dóriga Digital\"]}]",
    "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": "102a0808e29df4856c934268456ae8db",
      "thread_id": "f84366cb56e2f514c64266437c2b2bc7",
      "thread_label": "Government of Mexico City",
      "novelty": "UPDATE",
      "content_hash": "c43737b7455c0ca09e1269275a602e7a22d48cbf505bc82efceff1a59d185bad",
      "last_published_at": "2026-09-01T22:16:49.000Z",
      "read_receipt": {
        "slice_hash": "94efec08fd0d214ef194bd691e89871ee900cf5633206597da4e36612fb5065e",
        "cursor_from": "eyJ0cyI6IjIwMjYtMDktMDFUMjE6NDY6MDkuMDAwMDAwWiIsImlkIjoiOWRjN2I4OTdiNGY4ODdhNmVlODMzZjlhMzQxMjkzZDIiLCJ2IjoiMSJ9",
        "cursor_to": "eyJ0cyI6IjIwMjYtMDktMDFUMjI6MjE6MDkuMDAwMDAwWiIsImlkIjoiYzRkMTQ4MTI1YmM0NzI3ZGEzZGQyOGE4ZWExMzc1ODEiLCJ2IjoiMSJ9",
        "view": "v_fountain_news",
        "view_version": "1",
        "row_count": 100,
        "window_days": 3,
        "bytes_scanned": 12017721,
        "credits": 8,
        "price_per_100_rows": 8,
        "sig": "lGj04Kf4Vwe0ROhWMslkXds-fVfG31NYP0ibjmPP-3MHbalhVXU9iuozCXsV7Ptf4iuCwdDgLfosH2_1_0zWDA",
        "public_key": "bMUigy8O0jOnBxQ4Sc-5lwhIZ8LQVAhxMbR7qESVuUE",
        "signer_path": "lakehouse/data-extract/v1",
        "alg": "Ed25519",
        "signed": true
      }
    },
    "written_at": "2026-09-02T22:21:24.259Z"
  },
  "cited_facts": [
    {
      "statement": "The Government of Mexico City activated a Yellow Alert for heavy rain and possible hail on Monday, August 31, 2026, for the afternoon and evening.",
      "source": "López-Dóriga Digital",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-08-31T19:53:43.000Z",
      "publisher_count": 1,
      "sources": [
        "López-Dóriga Digital"
      ]
    },
    {
      "statement": "Héctor Ulises García Nieto, the Secretary of Mobility for Mexico City, announced on 2026-08-31 that the deadline for companies to submit proposals for the Line 3 Metro renovation project has been extended to September 7, 2026.",
      "source": "El Universal",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-08-31T20:06:18.000Z",
      "publisher_count": 1,
      "sources": [
        "El Universal"
      ]
    },
    {
      "statement": "The Mexico City Mobility Secretariat (Semovi) and the Mexico City Government extended the deadline for obtaining a permanent driver's license to December 31, 2026.",
      "source": "El Universal",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-01T22:16:49.000Z",
      "publisher_count": 1,
      "sources": [
        "El Universal"
      ]
    },
    {
      "statement": "Civil Protection authorities activated the alert for the boroughs of Álvaro Obregón, Benito Juárez, Coyoacán, Cuajimalpa, Iztapalapa, Magdalena Contreras, Miguel Hidalgo, Milpa Alta, Tláhuac, Tlalpan, and Xochimilco.",
      "source": "López-Dóriga Digital",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-08-31T19:53:43.000Z",
      "publisher_count": 1,
      "sources": [
        "López-Dóriga Digital"
      ]
    },
    {
      "statement": "Officials forecasted rainfall between 15 and 29 millimeters and possible hail between 13:30 and 20:00 hours on Monday, August 31, 2026.",
      "source": "López-Dóriga Digital",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-08-31T19:53:43.000Z",
      "publisher_count": 1,
      "sources": [
        "López-Dóriga Digital"
      ]
    },
    {
      "statement": "The Line 3 Metro renovation project is being executed through a coinvestment model involving the Government of Mexico City and a private company selected via an open process.",
      "source": "El Universal",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-08-31T20:06:18.000Z",
      "publisher_count": 1,
      "sources": [
        "El Universal"
      ]
    },
    {
      "statement": "The original deadline for private companies to present their coinvestment proposals for the Line 3 Metro renovation was established for August 31, 2026.",
      "source": "El Universal",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-08-31T20:06:18.000Z",
      "publisher_count": 1,
      "sources": [
        "El Universal"
      ]
    },
    {
      "statement": "Residents were advised to carry umbrellas or raincoats, use the rain to water plants, and clear drainage grates of trash or objects that could cause obstructions.",
      "source": "López-Dóriga Digital",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-08-31T19:53:43.000Z",
      "publisher_count": 1,
      "sources": [
        "López-Dóriga Digital"
      ]
    }
  ],
  "note": "A signature proves who filed this and that it has not changed since. It never makes a claim true."
}