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へのリンクが必要"},"release":{"release_id":"2026-08-21-r1","status":"published","data_as_of":"2026-08-19","published_at":"2026-08-20T23:18:00Z","manifest":{"release_id":"2026-08-21-r1","run_id":"20260820T223112Z_core_r3","data_as_of":"2026-08-19","built_at":"2026-08-20T22:31:48.651841Z","sources":[{"name":"mcp_data.sqlite","role":"言語化(scenes)・経年変化(changes)・学校(schools)","bytes":3079966720,"mtime":"2026-08-19T04:18:14.726161Z"},{"name":"machine_layer.sqlite","role":"撮影メタ・機械層","feature_version":"ml-2026-08-19","bytes":436985856,"mtime":"2026-08-19T04:36:57.106634Z"},{"name":"mapillary.sqlite","role":"images.clat/clon (computed_geometry)","bytes":36450799616,"mtime":"2026-08-09T19:30:12.999856Z"}],"derivation":{"representative_position":"clat/clon が両方非NULL・WGS84範囲内・(0,0)でなく、東京サービス収録範囲(lat 35.4..36.0, lon 139.3..140.1)内なら mapillary_computed。範囲外の明白な破綻値だけ GPS生座標(mapillary_raw)。rawとの距離差だけでは棄却しない。computed_lat/computed_lon は不採用でも事実として保持する","quarantine":"capture_year<=1971 または captured_at_ms<31536000000 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