[
  {
    "id": "source-1",
    "title": "GIMPS announcements",
    "url": "https://www.mersenne.org/",
    "type": "Official news",
    "region": "Global",
    "use": "Record announcements; verify publication date",
    "refresh": "on new research turn",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-2",
    "title": "Known Mersenne primes",
    "url": "https://www.mersenne.org/primes/",
    "type": "Official data",
    "region": "Global",
    "use": "Finite list behind our 52-entry method chart",
    "refresh": "before updating chart",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-3",
    "title": "GIMPS milestones",
    "url": "https://www.mersenne.org/report_milestones/",
    "type": "Live progress",
    "region": "Global",
    "use": "Separates first tests from independently verified coverage",
    "refresh": "before claiming a range is open",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-4",
    "title": "GIMPS mathematics",
    "url": "https://www.mersenne.org/various/math.php",
    "type": "Method guide",
    "region": "Global",
    "use": "Factoring, PRP, Lucas-Lehmer and computation checks",
    "refresh": "when changing methods",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-5",
    "title": "PrimeGrid",
    "url": "https://www.primegrid.com/",
    "type": "Official news",
    "region": "Global",
    "use": "Alternative prime families and project announcements",
    "refresh": "on new research turn",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-6",
    "title": "Prime Pages records",
    "url": "https://t5k.org/largest.html",
    "type": "Registry",
    "region": "Global",
    "use": "Largest-known records; not every prime ever generated",
    "refresh": "before novelty claims",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-7",
    "title": "Prime Pages proof guide",
    "url": "https://t5k.org/prove/index.html",
    "type": "Method guide",
    "region": "Global",
    "use": "Decision tree for primality proving",
    "refresh": "when changing methods",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-8",
    "title": "Proth / Pocklington",
    "url": "https://t5k.org/prove/prove3_1.html",
    "type": "Method guide",
    "region": "Global",
    "use": "Exact theorem conditions for our certificates",
    "refresh": "before proof changes",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-9",
    "title": "ECPP",
    "url": "https://t5k.org/prove/prove4_2.html",
    "type": "Method guide",
    "region": "Global",
    "use": "Elliptic-curve certificates for general integers",
    "refresh": "on relevant branch",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-10",
    "title": "Largest-prime history",
    "url": "https://t5k.org/notes/by_year.html",
    "type": "Historical catalog",
    "region": "Global",
    "use": "Historical records and methods; chronology caveats",
    "refresh": "reference",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-11",
    "title": "arXiv Number Theory",
    "url": "https://arxiv.org/list/math.NT/new",
    "type": "New papers",
    "region": "Global",
    "use": "New preprints; not automatically peer reviewed",
    "refresh": "on new research turn",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-12",
    "title": "PRIMES is in P / IIT Kanpur",
    "url": "https://cse.iitk.ac.in/users/manindra/algebra/primality_original.pdf",
    "type": "Original paper",
    "region": "India",
    "use": "AKS original 2002 paper; search-engine crawl dates are not publication dates",
    "refresh": "reference",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-13",
    "title": "AKS journal version",
    "url": "https://annals.math.princeton.edu/2004/160-2/p12",
    "type": "Original paper",
    "region": "India",
    "use": "2004 Annals publication",
    "refresh": "reference",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-14",
    "title": "RIMS number theory seminars",
    "url": "https://www.kurims.kyoto-u.ac.jp/en/seminar-02.html",
    "type": "Research events",
    "region": "Japan",
    "use": "Official seminar directory; broader than computational prime searches",
    "refresh": "on regional research turn",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-15",
    "title": "Mersenne Forum",
    "url": "https://www.mersenneforum.org/",
    "type": "Community",
    "region": "Global",
    "use": "Linked by GIMPS; check individual evidence and posting rules",
    "refresh": "before participating",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-16",
    "title": "Reddit record discussion",
    "url": "https://www.reddit.com/r/math/comments/1g8pko8/21362798411_is_the_new_largest_known_prime_number/",
    "type": "Community",
    "region": "Global",
    "use": "Public discussion of 2024 record; not proof authority",
    "refresh": "before participating",
    "checkedAt": "2026-10-16",
    "access": "Public page identified; individual access may vary"
  },
  {
    "id": "source-17",
    "title": "PrimeGrid Team JPN",
    "url": "https://www.primegrid.com/team_display.php?teamid=4493",
    "type": "Community",
    "region": "Japan",
    "use": "Organized volunteer computing team; follow PrimeGrid rules",
    "access": "Public page; counts vary by snapshot",
    "checkedAt": "2026-10-16",
    "refresh": "before participation or current claims"
  },
  {
    "id": "source-18",
    "title": "PrimeGrid Team 2ch",
    "url": "https://www.primegrid.com/team_display.php?teamid=194",
    "type": "Community",
    "region": "Japan",
    "use": "Team route identified by Grok; not an invitation from its members",
    "access": "Agent-reported public page",
    "checkedAt": "2026-10-16",
    "refresh": "before participation or current claims"
  },
  {
    "id": "source-19",
    "title": "PrimeGrid Team India",
    "url": "https://www.primegrid.com/team_display.php?teamid=3457",
    "type": "Community",
    "region": "India",
    "use": "Team route identified by Grok; membership and AI rules not verified",
    "access": "Agent-reported page; second fetch unavailable",
    "checkedAt": "2026-10-16",
    "refresh": "before participation or current claims"
  },
  {
    "id": "source-20",
    "title": "Facebook number-theory group lead",
    "url": "https://www.facebook.com/groups/5349868060/",
    "type": "Community",
    "region": "Global",
    "use": "Research lead from Grok only; content/rules not verified, no endorsement",
    "access": "Access-limited / login or block",
    "checkedAt": "2026-10-16",
    "refresh": "before participation or current claims"
  },
  {
    "id": "source-21",
    "title": "ECPP record category",
    "url": "https://t5k.org/top20/page.php?id=27",
    "type": "Registry",
    "region": "Global",
    "use": "Corrects older ECPP examples; current list rather than stale record claims",
    "access": "Public page",
    "checkedAt": "2026-10-16",
    "refresh": "before participation or current claims"
  }
]