{
  "information_cutoff": "2026-10-26T17:20:00Z",
  "sources": [
    {
      "id": "S01",
      "title": "SEC Anthropic filing index",
      "url": "https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/0001628280-26-067168-index.html",
      "period": "26 Oct 2026 accepted 09:00:11 Eastern /13:00:11 UTC",
      "use": "Accession, timing and filed document inventory",
      "limitation": "Acceptance is not effectiveness, pricing or completed IPO"
    },
    {
      "id": "S02",
      "title": "Anthropic full S-1",
      "url": "https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/anthropicpbc-sx1.htm",
      "period": "Audited2023\u201325; H1 Jun 2026 unaudited; subsequent events through 26 Oct",
      "use": "Financials, accounting, customers, contracts, financing, governance",
      "limitation": "IPO terms/latest cash/integrated commitment table incomplete"
    },
    {
      "id": "E01",
      "title": "Meta financing launch",
      "url": "https://www.sec.gov/Archives/edgar/data/1326801/000119312526431036/d116268dfwp.htm",
      "period": "26 Oct 2026",
      "use": "Launch versus funded cash; prospective ATM; nonbinding supplier interest",
      "limitation": "Offerings not verified priced/closed at cutoff"
    },
    {
      "id": "E02",
      "title": "SpaceX GPU lease commitment",
      "url": "https://www.sec.gov/Archives/edgar/data/1181412/000110465926118614/tm2628247d1_8k.htm",
      "period": "24 Oct event /26 Oct 8-K",
      "use": "Conditional entry, principal schedule, expected H1 2027 commencement",
      "limitation": "Rate not priced; not cash already received"
    },
    {
      "id": "E03",
      "title": "AMD / Anthropic partnership",
      "url": "https://ir.amd.com/news-events/press-releases/detail/1292/amd-and-anthropic-announce-strategic-partnership-to-deploy-up-to-2-gigawatts-of-amd-instinct-mi450-series-gpus",
      "period": "22 Jul 2026",
      "use": "Deployment pathway and conditional equity",
      "limitation": "Announcement is not recognized revenue"
    },
    {
      "id": "E04",
      "title": "NVIDIA Q2 FY2027",
      "url": "https://nvidianews.nvidia.com/news/nvidia-announces-financial-results-for-second-quarter-fiscal-2027",
      "period": "Quarter ended 26 Jul 2026 /26 Aug release",
      "use": "Supplier scale and reported gross margin",
      "limitation": "Different period/business from Anthropic"
    },
    {
      "id": "E05",
      "title": "AMD Q2 2026",
      "url": "https://ir.amd.com/news-events/press-releases/detail/1295/amd-reports-second-quarter-2026-financial-results",
      "period": "Quarter ended 27 Jun 2026 /4 Aug release",
      "use": "CPU/GPU segment context",
      "limitation": "Data Center is not only AI GPUs"
    },
    {
      "id": "E06",
      "title": "Broadcom Q3 FY2026",
      "url": "https://investors.broadcom.com/news-releases/news-release-details/broadcom-inc-announces-third-quarter-fiscal-year-2026-financial",
      "period": "2 Sep 2026 release",
      "use": "Custom AI and networking context",
      "limitation": "Official issuer disclosure; no Anthropic-specific revenue allocation"
    },
    {
      "id": "E07",
      "title": "Microsoft FY26 Q4 release / call",
      "url": "https://www.microsoft.com/en-us/investor/earnings/fy-2026-q4/press-release-webcast",
      "period": "Quarter ended 30 Jun 2026 /29 Jul release",
      "use": "Cash capex, finance leases, operating-lease comparability",
      "limitation": "Segment margin differs from standalone lab economics"
    },
    {
      "id": "E08",
      "title": "Amazon Q2 2026",
      "url": "https://www.sec.gov/Archives/edgar/data/1018724/000101872426000024/amzn-20260630xex991.htm",
      "period": "Quarter ended 30 Jun 2026 /30 Jul release",
      "use": "AWS economics; Anthropic investment marks",
      "limitation": "Investment gains not cash / operating demand"
    },
    {
      "id": "E09",
      "title": "Alphabet Q2 2026",
      "url": "https://www.sec.gov/Archives/edgar/data/1652044/000165204426000066/googexhibit991q22026.htm",
      "period": "Quarter ended 30 Jun 2026 /22 Jul release",
      "use": "Cloud segment scope and equity financing",
      "limitation": "Group R&D and investment marks separate"
    },
    {
      "id": "E10",
      "title": "Meta Q3 2026",
      "url": "https://www.sec.gov/Archives/edgar/data/1326801/000162828026066700/meta-09302026xexhibit991.htm",
      "period": "Quarter ended 30 Sep 2026 /21 Oct release",
      "use": "OCF versus lease-principal-inclusive capex",
      "limitation": "Different period; litigation affects operating earnings"
    },
    {
      "id": "E11",
      "title": "Micron FY26 Q4 / prepared remarks",
      "url": "https://s25.q4cdn.com/621799436/files/doc_financials/2026/q4/Q4-FY26-Prepared-Remarks.pdf",
      "period": "Quarter ended 3 Sep 2026 /30 Sep release",
      "use": "HBM, memory and KV-cache storage channels",
      "limitation": "Future supply tightness is management expectation"
    },
    {
      "id": "E07-call",
      "title": "Microsoft FY26 Q4 earnings call",
      "url": "https://www.microsoft.com/en-us/investor/events/fy-2026/earnings-fy-2026-q4",
      "period": "29 Jul 2026",
      "use": "Cash capex / lease classifications",
      "limitation": "Management commentary and outlook retain status"
    },
    {
      "id": "M01",
      "title": "inv-AI market quotes",
      "url": "https://www.inv-ai.com/insights/anthropic-s1/downloads/anthropic-s1-market-observations.json",
      "period": "26 Oct 2026 17:15:27\u201335 UTC intraday",
      "use": "Supplemental price observations",
      "limitation": "Prior-close methodology not reconstructed; no causation"
    },
    {
      "id": "M02",
      "title": "Independent finance feed",
      "url": "https://www.inv-ai.com/insights/anthropic-s1/downloads/anthropic-s1-market-observations.json",
      "period": "26 Oct 2026 around 17:00 UTC intraday",
      "use": "Direction cross-check and SPY context",
      "limitation": "Earlier timestamp; underlying venue URL unavailable; no exact-price cross-check"
    },
    {
      "id": "S02-G1",
      "title": "S-1 MD&A graphic: Enterprise customer growth",
      "url": "https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/mda2aa.jpg",
      "period": "26 October 2026 filing; chart periods stated in image",
      "use": "Visual check against text/table extraction",
      "limitation": "Issuer graphic; not an independent economic-efficiency measure"
    },
    {
      "id": "S02-G2",
      "title": "S-1 MD&A graphic: Revenue per compute dollar",
      "url": "https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/mda3aa.jpg",
      "period": "26 October 2026 filing; chart periods stated in image",
      "use": "Visual check against text/table extraction",
      "limitation": "Issuer graphic; not an independent economic-efficiency measure"
    },
    {
      "id": "S02-G3",
      "title": "S-1 MD&A graphic: Adjusted operating margin",
      "url": "https://www.sec.gov/Archives/edgar/data/2130357/000162828026067168/mda4aa.jpg",
      "period": "26 October 2026 filing; chart periods stated in image",
      "use": "Visual check against text/table extraction",
      "limitation": "Issuer graphic; not an independent economic-efficiency measure"
    }
  ]
}