{
  "name": "Research Source Ledger",
  "description": "Official sources monitored for changeable sports card product, checklist, grading, pricing, service, and partnership facts.",
  "version": "2026-09-30",
  "reviewedOn": "2026-09-30",
  "recordCount": 13,
  "creator": "Card Collector Capital",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "sourceOfTruth": "src/data/sourceWatch.ts",
  "sourceBoundary": "Each row identifies an official page, the date Card Collector Capital last verified it, the review cadence, the expected signals, and the public pages that depend on it. A scheduled review is not proof that a publisher made no later change.",
  "licenseBoundary": "CC BY 4.0 applies to Card Collector Capital's compilation and original annotations. Linked third-party pages, documents, names, and trademarks retain their original rights.",
  "records": [
    {
      "id": "advanced-services",
      "publisher": "Advanced Grading",
      "label": "Advanced Grading services and pricing",
      "url": "https://advancedgrading.io/pricing",
      "lastVerified": "2026-09-30",
      "cadenceDays": 14,
      "affectedPaths": [
        "/grading-companies",
        "/grading-companies/advanced-grading",
        "/grading/best-grading-company",
        "/grading/psa-vs-advanced-grading",
        "/grading/sgc-vs-advanced-grading",
        "/tools/grading-cost-comparison",
        "/tools/multi-card-grading-planner"
      ],
      "expectedSignals": [
        "grading",
        "Advanced"
      ]
    },
    {
      "id": "arena-services",
      "publisher": "Arena Club",
      "label": "Arena Club grading and seller pricing",
      "url": "https://www.arenaclub.com/sellers/pricing",
      "lastVerified": "2026-09-30",
      "cadenceDays": 14,
      "affectedPaths": [
        "/grading-companies",
        "/grading-companies/arena-club",
        "/grading/best-grading-company",
        "/tools/grading-cost-comparison",
        "/tools/multi-card-grading-planner"
      ],
      "expectedSignals": [
        "grading",
        "Arena Club"
      ]
    },
    {
      "id": "bowman-basketball",
      "publisher": "Topps",
      "label": "2025-26 Bowman Basketball",
      "url": "https://www.topps.com/pages/bowman-basketball",
      "lastVerified": "2026-09-30",
      "cadenceDays": 30,
      "affectedPaths": [
        "/research/aj-dybantsa-cards-explained",
        "/sets/2025-26-bowman-basketball"
      ],
      "expectedSignals": [
        "Bowman Basketball",
        "checklist"
      ]
    },
    {
      "id": "bowman-best-basketball",
      "publisher": "Topps",
      "label": "2025-26 Bowman University Best Basketball",
      "url": "https://www.topps.com/pages/bowman-university-best-basketball",
      "lastVerified": "2026-09-30",
      "cadenceDays": 30,
      "affectedPaths": [
        "/research/mohamed-dabone-cards-explained",
        "/sets/2025-26-bowman-university-best-basketball"
      ],
      "expectedSignals": [
        "Bowman University Best",
        "checklist"
      ]
    },
    {
      "id": "cgc-services",
      "publisher": "CGC",
      "label": "CGC Cards services",
      "url": "https://www.cgcgrading.com/submit/services/",
      "lastVerified": "2026-09-30",
      "cadenceDays": 14,
      "affectedPaths": [
        "/grading-companies",
        "/grading-companies/cgc",
        "/grading/best-grading-company",
        "/grading/sgc-vs-cgc",
        "/research/how-much-does-card-grading-cost",
        "/tools/grading-cost-comparison"
      ],
      "expectedSignals": [
        "CGC",
        "Cards"
      ]
    },
    {
      "id": "fanatics-grading",
      "publisher": "Fanatics Collect",
      "label": "Fanatics Collect grading",
      "url": "https://www.fanaticscollect.com/how-to-grade",
      "lastVerified": "2026-09-30",
      "cadenceDays": 14,
      "affectedPaths": [
        "/grading-companies",
        "/grading-companies/cgc",
        "/grading-companies/psa",
        "/grading-companies/sgc",
        "/grading/best-grading-company",
        "/grading/sgc-vs-cgc",
        "/grading/sgc-vs-psa",
        "/research/best-psa-alternatives",
        "/research/how-much-does-card-grading-cost",
        "/tools/grading-cost-comparison"
      ],
      "expectedSignals": [
        "grading",
        "PSA",
        "SGC",
        "CGC"
      ]
    },
    {
      "id": "psa-services",
      "publisher": "PSA",
      "label": "PSA card grading services",
      "url": "https://www.psacard.com/services/tradingcardgrading/grading",
      "lastVerified": "2026-09-30",
      "cadenceDays": 14,
      "affectedPaths": [
        "/grading-companies",
        "/grading-companies/psa",
        "/grading/best-grading-company",
        "/grading/psa-vs-advanced-grading",
        "/grading/sgc-vs-psa",
        "/research/how-much-does-card-grading-cost",
        "/research/should-you-grade-your-sports-card",
        "/tools/grading-cost-comparison"
      ],
      "expectedSignals": [
        "Grading",
        "card"
      ]
    },
    {
      "id": "sgc-services",
      "publisher": "SGC",
      "label": "SGC services and pricing",
      "url": "https://www.gosgc.com/card-grading/services-pricing",
      "lastVerified": "2026-09-30",
      "cadenceDays": 14,
      "affectedPaths": [
        "/grading-companies",
        "/grading-companies/sgc",
        "/grading/best-grading-company",
        "/grading/sgc-vs-advanced-grading",
        "/grading/sgc-vs-cgc",
        "/grading/sgc-vs-psa",
        "/research/is-sgc-grading-worth-it-2026",
        "/tools/grading-cost-comparison"
      ],
      "expectedSignals": [
        "SGC"
      ]
    },
    {
      "id": "tag-services",
      "publisher": "TAG",
      "label": "TAG grading services and pricing",
      "url": "https://taggrading.com/pages/submit",
      "lastVerified": "2026-09-30",
      "cadenceDays": 14,
      "affectedPaths": [
        "/grading-companies",
        "/grading-companies/tag",
        "/grading/best-grading-company",
        "/tools/multi-card-grading-planner"
      ],
      "expectedSignals": [
        "TAG",
        "grading"
      ]
    },
    {
      "id": "topps-finest-baseball-2026",
      "publisher": "Topps",
      "label": "2026 Topps Finest Baseball",
      "url": "https://www.topps.com/pages/topps-finest-baseball",
      "lastVerified": "2026-09-30",
      "cadenceDays": 14,
      "affectedPaths": [
        "/research/2026-sports-card-release-calendar",
        "/research/2026-topps-finest-baseball-checklist"
      ],
      "expectedSignals": [
        "2026 Topps Finest Baseball",
        "checklist"
      ]
    },
    {
      "id": "topps-football",
      "publisher": "Topps",
      "label": "2026 Topps Flagship Football",
      "url": "https://www.topps.com/pages/topps-flagship-football",
      "lastVerified": "2026-09-30",
      "cadenceDays": 7,
      "affectedPaths": [
        "/research/2026-football-rookie-cards",
        "/research/2026-nfl-season-card-hub",
        "/research/2026-sports-card-release-calendar",
        "/sets/2026-topps-flagship-football"
      ],
      "expectedSignals": [
        "2026 Topps Football",
        "checklist"
      ]
    },
    {
      "id": "topps-royalty-premier-league-2026",
      "publisher": "Topps",
      "label": "Topps Royalty Premier League 2026",
      "url": "https://www.topps.com/pages/topps-royalty-premier-league",
      "lastVerified": "2026-09-30",
      "cadenceDays": 14,
      "affectedPaths": [
        "/research/2026-sports-card-release-calendar",
        "/research/topps-royalty-premier-league-2026-checklist"
      ],
      "expectedSignals": [
        "Topps Royalty Premier League 2026",
        "checklist"
      ]
    },
    {
      "id": "upper-deck-sp",
      "publisher": "Upper Deck",
      "label": "2025-26 SP Hockey checklist",
      "url": "https://upperdeck.com/checklist/2025-2026-sp-hockey-checklist/",
      "lastVerified": "2026-09-30",
      "cadenceDays": 30,
      "affectedPaths": [
        "/sets/2025-26-upper-deck-sp-hockey"
      ],
      "expectedSignals": [
        "SP Hockey",
        "Checklist"
      ]
    }
  ]
}