clm_5e069bcd7d77422ba2031b94ef9aeef7_r1

GB2-0002

① SA Source

• Source: 開啟完整 SA 文章
• Section: The 4 Rack Scale Form Factors of Blackwell
• Line hint: 147

Context Before

x86 B200 NVL72/NVL36x2

Evidence

Moving well past 40kW per rack is the primary reason why liquid cooling is required for GB200.

Context After

Source: SemiAnalysis

② Atomic Claim

GB200 因 rack 功率密度超過約 40kW 而需要 liquid cooling。

• Epistemic Mode: ASSERTED
• Mapping Status: COMPLETE

③ Semantic Frame

{
  "additional_nodes": [],
  "frame_type": "RELATION",
  "object": {
    "id": "04_knowledge_base/液冷散熱",
    "label": "liquid cooling"
  },
  "predicate": "REQUIRES",
  "qualifiers": {
    "condition_text": "rack power density well past 40kW",
    "numeric_mentions": [
      "40kW"
    ],
    "temporal_mentions": []
  },
  "subject": {
    "id": "04_knowledge_base/GB200",
    "label": "GB200"
  }
}

④ Canonical Entity Mapping

Role	Surface Label	Canonical Target
subject	GB200	GB200
object	liquid cooling	04_knowledge_base/液冷散熱

⑤ Human Review

請在 Properties 逐項確認：

• 原文 → Atomic Claim 是否忠實
• Atomic Claim → Semantic Frame 是否忠實
• Canonical Entity mapping 是否正確
• Epistemic mode 是否保留原文語氣
• 最後選擇 review_action

Review state

Markdown 內文不是正式 approval。只有 Apply bridge 寫入的 Decision Ledger event 才是正式決策。