VR2R-0447::SPLIT03

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① SA Source

Context Before

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Source: Vertiv

Evidence

Although NVIDIA initially did not formally publish full specifications for Vera Rubin’s liquid cooling system, we believe the platform will support maximum coolant return temperatures up to 65C. This aligns with Nvidia’s warm-water operating envelope, and while the exact implication for delta-T depends on the chosen supply setpoint and flow control strategy, we can expect a slightly tighten delta-T. The pressure envelope is expected to be unchanged versus GB200, with maximum operating pressure of 72 psig (5 bar) and minimum burst pressure of 217 psig (15 bar), aligning with OCP’s MGX rack-level liquid-cooling specification.

Context After

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Source: Nvidia VR NVL72 Component BoM and Power Budget Model ↗

② Atomic Claim

SemiAnalysis expects Vera Rubin delta-T to tighten slightly.

  • Epistemic Mode: EXPECTED
  • Mapping Status: COMPLETE

③ Semantic Frame

{
  "attribute": "DELTA_T_EXPECTATION",
  "context_nodes": [],
  "entity": {
    "id": "04_knowledge_base/Vera Rubin",
    "label": "Vera Rubin"
  },
  "frame_type": "ATTRIBUTE",
  "qualifiers": {
    "condition_text": null,
    "numeric_mentions": [],
    "temporal_mentions": []
  },
  "value": {
    "numeric_mentions": [],
    "value_text": "SemiAnalysis expects Vera Rubin delta-T to tighten slightly."
  }
}

④ Canonical Entity Mapping

RoleSurface LabelCanonical Target
entityVera Rubin04_knowledge_base/Vera Rubin

⑤ V2 Draft(需要修正時直接編輯)

Inline repair

只編輯以下三個 Draft 區塊。完成後將 review_action 設為 REQUEST_REPAIR,再手動執行 Repair Preview。
執行腳本前,Draft 不會寫入 Claim Store 或 Graph。

V2 Atomic Claim Draft

SemiAnalysis expects Vera Rubin delta-T to tighten slightly.

V2 Semantic Frame Draft

{
  "attribute": "DELTA_T_EXPECTATION",
  "context_nodes": [],
  "entity": {
    "id": "04_knowledge_base/Vera Rubin",
    "label": "Vera Rubin"
  },
  "frame_type": "ATTRIBUTE",
  "qualifiers": {
    "condition_text": null,
    "numeric_mentions": [],
    "temporal_mentions": []
  },
  "value": {
    "numeric_mentions": [],
    "value_text": "SemiAnalysis expects Vera Rubin delta-T to tighten slightly."
  }
}

V2 Revision Metadata Draft

{
  "epistemic_mode": "EXPECTED",
  "mapping_status": "COMPLETE"
}

⑥ 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。