{
 "model_version": "v1-record",
 "model_sha256": "8f1a792279842bb9cee84456cf84eb72c680051410859b3ecaf46442d9dc7ab4",
 "effective_from": "2026-09-16",
 "weights_source": "research-side rebuild (weights_authority=research)",
 "pools_n": {
  "hs300": 185,
  "zz500": 315,
  "zz1000": 1183,
  "zz2000": 4191
 },
 "note": "扫描期只读消费本 model; sha256 不符时 scan_daily_tb.py 起手 fail-fast 拒扫。升级须走 rebuild_model_v2.py。本档案为 data-v2 重建前的过渡冻结: 现行 model 在 2026-09-15 19:30 的日循环中被 scan 期 rebuild 覆盖过(指纹由 5365bd3870ffbfbb 变为 8f1a792279842bb9),这正是 §二.2 要修的缺陷; data-v2 重建后将由研究侧发布权威版本并按\"字节同\"下发。",
 "updated_at": "2026-09-16 10:09:20",
 "manifest_stage": "transitional-freeze (pre data-v2)"
}