{
  "year": "1990",
  "generated_at": "2026-09-02T09:19:31+08:00",
  "count": 1,
  "items": [
    {
      "id": "milestone-mcgeer-passive-dynamic-walking-1990",
      "project_id": "project:mcgeer-passive-dynamic-walking-1990",
      "title": "Passive Dynamic Walking",
      "authors": [
        "Tad McGeer"
      ],
      "institutions": [
        "McGeer Research"
      ],
      "robots": [],
      "published_at": "1990-04-01",
      "first_seen_at": "2026-08-15",
      "last_verified_at": "2026-08-15",
      "venue": "里程碑人工核验",
      "work_type": "paper",
      "topic": "被动动态行走、能效足式动力学与主动补能",
      "comparison_family": "被动动态行走、能效足式动力学与主动补能",
      "doi": null,
      "arxiv_id": null,
      "citation_count": 0,
      "open_access": true,
      "verification_status": "deep_verified",
      "artifact_status": {
        "code": "unknown",
        "weights": "unknown",
        "data": "unknown",
        "license": "reviewed_in_milestone"
      },
      "sources": [
        {
          "type": "paper",
          "label": "IJRR 原始论文 DOI",
          "url": "https://doi.org/10.1177/027836499000900206",
          "verification_status": "verified"
        },
        {
          "type": "project",
          "label": "MIT CSAIL Leg Lab 文献档案",
          "url": "https://locomotion.csail.mit.edu/elib.cgi?b=McGeer90",
          "verification_status": "verified"
        }
      ],
      "discovery_sources": [
        "curated milestone gold set"
      ],
      "historical_milestone_score": 83,
      "current_practice_score": 31,
      "current_practice_score_breakdown": {
        "近期窗口": {
          "score": 1,
          "max": 35,
          "evidence": "发布距评分基准日 437 个月，落入 96 个月以上 窗口。"
        },
        "社区可复查验证": {
          "score": 6,
          "max": 25,
          "evidence": "人工复核“独立复现”14/15；未附符合独立复现门槛的正向社区证据，本维度封顶 6/25。",
          "evidence_status": "not_positive_independent_capped"
        },
        "跨领域技术创新": {
          "score": 12,
          "max": 20,
          "evidence": "深度强化学习、对抗式模仿与物理角色控制形成统一训练范式"
        },
        "量化实机证据": {
          "score": 7,
          "max": 10,
          "evidence": "沿用人工复核“量化实机证据”10/15。"
        },
        "开放与可复现": {
          "score": 1,
          "max": 5,
          "evidence": "沿用人工复核“开放与长期复现”2/10。"
        },
        "工程实用增量": {
          "score": 4,
          "max": 5,
          "evidence": "沿用人工复核“公平横评增量”12/15。"
        }
      },
      "current_practice_as_of": "2026-09-02",
      "current_practice_age_months": 437,
      "current_practice_recency_window": "96 个月以上",
      "current_practice_priority": "historical_foundation",
      "current_practice_tier": "历史基础",
      "current_practice_tags": [],
      "current_practice_route_tags": [],
      "current_practice_status_tags": [],
      "current_practice_route_label": "奠基技术基线",
      "current_practice_attention_score": 19,
      "current_practice_attention_max": 80,
      "current_practice_attention_band": "证据分项观察",
      "current_practice_practicality_score": 11,
      "current_practice_practicality_max": 15,
      "current_practice_community_evidence_kind": "none",
      "current_practice_community_evidence": [
        "原始期刊文献和 MIT CSAIL 档案仅支持历史可追溯性；没有将后来的爱好者复刻、视频或热度计作现代泛化或部署验证。"
      ],
      "current_practice_independent_attention_sources": [],
      "current_practice_evidence_gaps": [
        "缺少显式可复查社区复现/部署证据",
        "开放与复现条件不足"
      ],
      "published_at_precision": "day",
      "quality_flags": [],
      "record_status": "included",
      "controlled_tags": [
        "capability:license",
        "capability:locomotion"
      ],
      "controlled_tag_evidence": {
        "capability:license": "record_or_source_match",
        "capability:locomotion": "record_or_source_match"
      }
    }
  ]
}