{
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 "description": "Append-only Evidence Passport records. Old revisions are immutable; corrections create a new revision and preserve the previous permalink.",
 "entity": {
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  "id": "manila-number-coding",
  "title": "Number Coding: Metro Manila's Plate-Based Driving Ban",
  "canonicalUrl": "https://1001smartcities.org/projects/manila-number-coding/"
 },
 "currentRevisionId": "2026-08-27-correction-run",
 "revisions": [
  {
   "id": "2026-08-27-claims-and-sources",
   "createdAt": "2026-08-27T03:03:19Z",
   "effectiveAt": "2026-08-27",
   "changeType": "baseline",
   "summary": "Created the first structured Evidence Passport with 6 claims and 11 source dossiers.",
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   },
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   },
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     "operation": "add",
     "path": "/evidencePassport",
     "summary": "Added claim-level evidence mapping and source dossiers."
    },
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     "operation": "add",
     "path": "/revisionHistory",
     "summary": "Established a permanent, hash-addressed baseline revision."
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    "assurance": {
     "status": "unreviewed",
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      "publication-diff-contract",
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      "claim-text-drift",
      "source-reference-resolution",
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    },
    "projectState": {
     "status": "live",
     "outcome": "ongoing",
     "evidenceGrade": "media",
     "timeline": {
      "started": 1995,
      "ended": null
     }
    },
    "governance": {
     "operator": "Metropolitan Manila Development Authority, with member city governments enforcing local variants",
     "actorTypes": [
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    },
    "claims": [
     {
      "id": "clm-a5e803bc01511e73",
      "field": "snippet",
      "text": "The MMDA has rationed road space by licence plate since December 1995",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
      "sourceRefs": [
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      ],
      "supportNote": "MMDA Regulation No. 95-001 was signed on 23 November 1995 with strict implementation from 1 December 1995, after an experimental run on EDSA in October 1995.",
      "caveat": "A reference-work account of a 1995 regulation; no primary text of the regulation is cited here.",
      "interpretation": {
       "added": false,
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       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
      }
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     {
      "id": "clm-3b74dfb6d8a2aac0",
      "field": "snippet",
      "text": "cars whose plates end in 1 or 2 stay off Metro Manila roads on Mondays, 3 or 4 on Tuesdays, and so on to 9 or 0 on Fridays, banned from 7-10am and 5-8pm with a midday window",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
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      "supportNote": "The August 2022 rules as reported by GMA News and corroborated by the state news agency: plates ending 1-2 on Monday through 9-0 on Friday, banned 7-10am and 5-8pm, with a 10:01am to 4:59pm window.",
      "caveat": null,
      "interpretation": {
       "added": false,
       "interpolation": false,
       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
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     {
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      "field": "snippet",
      "text": "Expressways, motorcycles, public transport and, under the 2022 electric vehicle law, hybrid and electric cars are exempt",
      "statementKind": "quantitative",
      "textMode": "verbatim-from-project-record",
      "mappingStatus": "mapped",
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      "supportNote": "Manila Bulletin, 8 October 2025: Section 25 of Republic Act No. 11697 of 2022 exempts battery-electric, hybrid and plug-in hybrid vehicles; the state news agency's account of the schedule carries the expressway exemption.",
      "caveat": null,
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       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
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     {
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      "field": "snippet",
      "text": "and cities inside the metro vary the window hours",
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      "supportNote": "Rappler's guide sets out how individual Metro Manila cities run their own variants of the MMDA scheme, differing on window hours and coverage.",
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       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
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      "text": "Enforcers do most of the catching: camera enforcement was restrained by the Supreme Court in 2022 and only partly restored to the MMDA in May 2025",
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      "supportNote": "The restraining order was issued on 30 August 2022 on a transport-group petition; GMA News reports the Supreme Court spokesperson confirming it was lifted for the MMDA with camera enforcement resuming on 26 May 2025; Rappler's explainer establishes that number-coding violations are among the offences the cameras catch.",
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       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
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      "text": "Thirty years in, a rationing rule is defined as much by its exemptions and its enforcement gaps as by the ban itself",
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      "supportNote": "The exemptions have grown rather than shrunk — the 2022 electric vehicle law added hybrids and electric cars — while the scheme is routinely suspended (over Christmas and New Year 2025-26) and was nearly replaced by an odd-even scheme in 2025 that was cancelled when the EDSA rehabilitation was postponed. It was still in force in late July 2026.",
      "caveat": null,
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       "added": false,
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       "note": "The passport copies the published claim and its recorded source mapping without adding a conclusion."
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      "id": "src-5f5220f75659d5b2",
      "title": "Wikipedia — number coding in the Philippines",
      "url": "https://en.wikipedia.org/wiki/Number_coding_in_the_Philippines",
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       "type": "descriptive-source-note",
       "value": "Origin: MMDA Regulation No. 95-001 signed 23 November 1995, strict implementation from 1 December 1995, experimental EDSA run October 1995; the original odd/even rule and 7-9am and 5-7pm hours; the COVID suspension from 13 March 2020 to 30 November 2021. Used only for these dated facts.",
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     {
      "id": "src-18512b2d4ad0cc5f",
      "title": "GMA News — MMDA to implement the expanded number coding scheme (11 Aug 2022)",
      "url": "https://www.gmanetwork.com/news/topstories/metro/841222/mmda-to-implement-expanded-number-coding-scheme-starting-august-15/story/",
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       "publishedAt": "2022-08-11",
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      "locator": {
       "type": "descriptive-source-note",
       "value": "The rules in force today: plates ending 1-2 Monday, 3-4 Tuesday, 5-6 Wednesday, 7-8 Thursday, 9-0 Friday, banned 7-10am and 5-8pm; the scheme began 15 August 2022 with warnings only until 17 August.",
       "exact": false
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     {
      "id": "src-4ba83f20d84b547e",
      "title": "Philippine News Agency — the MMDA resumes number coding, digit-by-day schedule and windows",
      "url": "https://www.pna.gov.ph/articles/1181148",
      "publisher": {
       "name": null,
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       "classification": "not-classified"
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      "sourceType": "web-page",
      "language": "und",
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       "clm-8f10b618b48bb678"
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       "status": "record-date-only"
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      "locator": {
       "type": "descriptive-source-note",
       "value": "State news agency corroboration of the same digit-by-day schedule and the 7-10am and 5-8pm windows, with the 10:01am to 4:59pm midday window and the expressway exemption.",
       "exact": false
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     },
     {
      "id": "src-d9ede21fe2e82eb4",
      "title": "Rappler — a guide to Metro Manila's number coding schemes",
      "url": "https://www.rappler.com/philippines/metro-manila/guide-number-coding-schemes/",
      "publisher": {
       "name": null,
       "domain": "rappler.com",
       "classification": "not-classified"
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       "status": "record-date-only"
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      "locator": {
       "type": "descriptive-source-note",
       "value": "Supports the point that individual Metro Manila cities run their own variants of the MMDA scheme, differing on window hours and coverage. Direct fetch blocked (403); article and coverage confirmed by search. City-specific hour claims circulating on aggregator sites were deliberately not used.",
       "exact": false
      },
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     {
      "id": "src-1e1bede70f7a1070",
      "title": "GMA News — camera enforcement to resume for the MMDA (21 May 2025)",
      "url": "https://www.gmanetwork.com/news/topstories/nation/946829/mmda-ncap-resumes-on-monday-may-26-2025/story/",
      "publisher": {
       "name": null,
       "domain": "gmanetwork.com",
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      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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      "temporal": {
       "publishedAt": "2025-05-21",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-27",
       "dossierCreatedAt": "2026-08-30",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
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      "locator": {
       "type": "descriptive-source-note",
       "value": "The camera-enforcement question: a Supreme Court spokesperson confirms the 2022 restraining order was lifted only for the MMDA and only on major thoroughfares such as C5 and EDSA, while city ordinances remain restrained and the constitutional petition is undecided.",
       "exact": false
      },
      "preservation": {
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       "contentHash": null,
       "status": "not-captured"
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     {
      "id": "src-96570449bc642485",
      "title": "Rappler — the Supreme Court partially lifts its order on camera enforcement",
      "url": "https://www.rappler.com/philippines/supreme-court-lifts-no-contact-apprehension-policy-tro-may-2025/",
      "publisher": {
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       "domain": "rappler.com",
       "classification": "not-classified"
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      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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      "temporal": {
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       "retrievedAt": null,
       "status": "record-date-only"
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      "locator": {
       "type": "descriptive-source-note",
       "value": "Dates and scope of the litigation: the order was issued 30 August 2022 on a transport-group petition covering the MMDA and city ordinances in Manila, Quezon City, Valenzuela, Muntinlupa and Parañaque, and partially lifted 20 May 2025. Direct fetch blocked (403); confirmed by search.",
       "exact": false
      },
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       "status": "not-captured"
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     },
     {
      "id": "src-d7f1fdd9d4b9bcc2",
      "title": "Rappler — how camera enforcement works, and how to contest it",
      "url": "https://www.rappler.com/philippines/metro-manila/no-contact-apprehension-policy-how-it-works-pay-fines-appeal/",
      "publisher": {
       "name": null,
       "domain": "rappler.com",
       "classification": "not-classified"
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      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
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       "recordLastVerifiedAt": "2026-08-27",
       "dossierCreatedAt": "2026-08-30",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Establishes that number coding violations are among the infractions caught by the cameras, at a 500-peso fine, alongside disregarding traffic signs and speeding at 1,000 pesos each. Direct fetch blocked (403); the carrying sentence confirmed by search.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
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     },
     {
      "id": "src-c1a2740fa74b918f",
      "title": "Manila Bulletin — no number coding for electric, hybrid and plug-in vehicles (8 Oct 2025)",
      "url": "https://mb.com.ph/2025/10/08/doe-no-number-coding-for-electric-hybrid-plug-in-vehicles",
      "publisher": {
       "name": null,
       "domain": "mb.com.ph",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
       "clm-8f10b618b48bb678",
       "clm-e14a61a9aba87b9a"
      ],
      "temporal": {
       "publishedAt": "2025-10-08",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-27",
       "dossierCreatedAt": "2026-08-30",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "The exemption: Section 25 of Republic Act No. 11697 of 2022 exempts battery-electric, hybrid, plug-in hybrid and light electric vehicles from the scheme, reiterated by the energy department in October 2025.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-4aae64cf9c645aa2",
      "title": "GMA News — the MMDA cancels its odd-even scheme as the EDSA rehabilitation is postponed (1 June 2025)",
      "url": "https://www.gmanetwork.com/news/topstories/metro/948017/mmda-cancels-odd-even-scheme-as-edsa-rehab-gets-postponed/story/",
      "publisher": {
       "name": null,
       "domain": "gmanetwork.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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      ],
      "temporal": {
       "publishedAt": "2025-06-01",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-27",
       "dossierCreatedAt": "2026-08-30",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "The 2025 near-replacement: an odd-even scheme was to supersede number coding on EDSA from 16 June 2025 during the road's rehabilitation, then was cancelled when the works were postponed; number coding continues.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
      }
     },
     {
      "id": "src-0f55ca0f4273cddc",
      "title": "Inquirer — number coding suspended over the Christmas and New Year holidays",
      "url": "https://newsinfo.inquirer.net/2157877/mmda-suspends-number-coding-on-christmas-new-year-holidays",
      "publisher": {
       "name": null,
       "domain": "newsinfo.inquirer.net",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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      ],
      "temporal": {
       "publishedAt": null,
       "updatedAt": null,
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       "recordLastVerifiedAt": "2026-08-27",
       "dossierCreatedAt": "2026-08-30",
       "retrievedAt": null,
       "status": "record-date-only"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Suspension practice: coding lifted 23-25 December 2025 and 29 December 2025 to 2 January 2026, with the MMDA stating it is automatically suspended on official and special non-working holidays.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
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     },
     {
      "id": "src-81f91b4550285bde",
      "title": "GMA News — MMDA confirms number coding runs normally on SONA day (26 Jul 2026)",
      "url": "https://www.gmanetwork.com/news/topstories/metro/996161/mmda-number-coding-sona-2026/story/",
      "publisher": {
       "name": null,
       "domain": "gmanetwork.com",
       "classification": "not-classified"
      },
      "sourceType": "web-page",
      "language": "und",
      "role": "claim-evidence",
      "claimRefs": [
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      ],
      "temporal": {
       "publishedAt": "2026-07-26",
       "updatedAt": null,
       "sourceCheckedAt": null,
       "recordLastVerifiedAt": "2026-08-27",
       "dossierCreatedAt": "2026-08-30",
       "retrievedAt": null,
       "status": "publication-and-record-dates-recorded"
      },
      "locator": {
       "type": "descriptive-source-note",
       "value": "Currency check: the scheme is in force as of late July 2026, with the MMDA confirming it would run normally on the day of the president's address to Congress.",
       "exact": false
      },
      "preservation": {
       "archiveUrl": null,
       "archivedAt": null,
       "contentHash": null,
       "status": "not-captured"
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     }
    ],
    "coverage": {
     "claimsTotal": 6,
     "claimsMapped": 6,
     "sourcesTotal": 11,
     "sourcesUsedByClaims": 11,
     "sourcesWithPublicationDate": 5,
     "sourcesWithArchive": 0,
     "sourcesWithExactLocator": 0,
     "sourcesWithContentHash": 0
    },
    "limits": [
     "Publisher names and source languages have not yet been classified; domains are recorded without guessing.",
     "Existing source notes are descriptive locators, not page- or paragraph-exact citations.",
     "A missing archive, publication date or content hash is shown as null rather than inferred.",
     "The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim."
    ]
   }
  },
  {
   "id": "2026-08-27-correction-run",
   "createdAt": "2026-08-27T13:05:00Z",
   "effectiveAt": "2026-08-27",
   "changeType": "correction",
   "summary": "Read the three Rappler reports and the Inquirer report in full and dated them. Dropped the Philippine News Agency article: it is behind a CAPTCHA no route gets past, and it only corroborated what GMA News and the Manila Bulletin already carry.",
   "preparedBy": {
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   "review": {
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    "by": null,
    "date": null,
    "note": "Awaiting operator and domain-expert review; publication of this revision implies neither."
   },
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      "text": "The MMDA has rationed road space by licence plate since December 1995",
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      "title": "Manila Bulletin — no number coding for electric, hybrid and plug-in vehicles (8 Oct 2025)",
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     "sourcesWithArchive": 0,
     "sourcesWithExactLocator": 0,
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    "limits": [
     "Publisher names and source languages have not yet been classified; domains are recorded without guessing.",
     "Existing source notes are descriptive locators, not page- or paragraph-exact citations.",
     "A missing archive, publication date or content hash is shown as null rather than inferred.",
     "The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim."
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 ]
}