{"id":"https://openalex.org/W7165373682","doi":"https://doi.org/10.48550/arxiv.2606.20545","title":"Current World Models Lack a Persistent State Core","display_name":"Current World Models Lack a Persistent State Core","publication_year":2026,"publication_date":"2026-06-18","ids":{"openalex":"https://openalex.org/W7165373682","doi":"https://doi.org/10.48550/arxiv.2606.20545"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2606.20545","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.20545","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2606.20545","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5015941605","display_name":"J Lu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lu, Jinpeng","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5139022740","display_name":"Dexu Zhu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhu, Dexu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5139002268","display_name":"Haoyuan Shi","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shi, Haoyuan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087479926","display_name":"Linghan Cai","orcid":"https://orcid.org/0000-0002-7931-7697"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Cai, Linghan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123644821","display_name":"Guo Tang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tang, Guo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5139002475","display_name":"Yinda Chen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chen, Yinda","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138992942","display_name":"Jie Cao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Cao, Jie","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110628758","display_name":"Duyu Tang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tang, Duyu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5139004751","display_name":"Yi Zhang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhang, Yi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124624181","display_name":"Y Sophia Dai","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dai, Yong","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5138966397","display_name":"Xiaozhu Ju","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ju, Xiaozhu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.4309000074863434,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.4309000074863434,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10775","display_name":"Generative Adversarial Networks and Image Synthesis","score":0.20520000159740448,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11448","display_name":"Face recognition and analysis","score":0.07760000228881836,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/observability","display_name":"Observability","score":0.7346000075340271},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.475600004196167},{"id":"https://openalex.org/keywords/event","display_name":"Event (particle physics)","score":0.47130000591278076},{"id":"https://openalex.org/keywords/consistency","display_name":"Consistency (knowledge bases)","score":0.4180000126361847},{"id":"https://openalex.org/keywords/controllability","display_name":"Controllability","score":0.3928999900817871},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.38089999556541443},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.3797000050544739},{"id":"https://openalex.org/keywords/counterfactual-thinking","display_name":"Counterfactual thinking","score":0.37119999527931213}],"concepts":[{"id":"https://openalex.org/C36299963","wikidata":"https://www.wikidata.org/wiki/Q1369844","display_name":"Observability","level":2,"score":0.7346000075340271},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5058000087738037},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.475600004196167},{"id":"https://openalex.org/C2779662365","wikidata":"https://www.wikidata.org/wiki/Q5416694","display_name":"Event (particle physics)","level":2,"score":0.47130000591278076},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.45249998569488525},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.4180000126361847},{"id":"https://openalex.org/C48209547","wikidata":"https://www.wikidata.org/wiki/Q1331104","display_name":"Controllability","level":2,"score":0.3928999900817871},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.38089999556541443},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.3797000050544739},{"id":"https://openalex.org/C108650721","wikidata":"https://www.wikidata.org/wiki/Q1783253","display_name":"Counterfactual thinking","level":2,"score":0.37119999527931213},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.35010001063346863},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3418000042438507},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.3255000114440918},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.3000999987125397},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.2881999909877777},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.2863999903202057},{"id":"https://openalex.org/C148043351","wikidata":"https://www.wikidata.org/wiki/Q4456944","display_name":"Current (fluid)","level":2,"score":0.2678000032901764},{"id":"https://openalex.org/C2780665704","wikidata":"https://www.wikidata.org/wiki/Q959298","display_name":"Intervention (counseling)","level":2,"score":0.26489999890327454},{"id":"https://openalex.org/C136643341","wikidata":"https://www.wikidata.org/wiki/Q1361526","display_name":"Reachability","level":2,"score":0.2603999972343445},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.2531999945640564}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2606.20545","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.20545","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2606.20545","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.20545","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"World":[0],"models":[1,166],"are":[2],"increasingly":[3],"regarded":[4],"as":[5,58,84,115,181],"a":[6,53,73,94,124,148,182,186,265],"decisive":[7],"step":[8],"toward":[9],"artificial":[10],"general":[11],"intelligence,":[12],"yet":[13],"modeling":[14],"the":[15,59,106,130,133,137,154,178,190,200,241,244,249,270,277],"physical":[16,245],"world":[17,30,96,180,266,271],"demands":[18],"more":[19],"than":[20,198,275],"rendering":[21],"convincing":[22],"frames":[23],"on":[24,118],"demand:":[25],"it":[26,100,194,203],"requires":[27],"an":[28,116],"internal":[29],"state":[31,191,246],"that":[32,41,111,127,156,240,264],"keeps":[33,97],"evolving":[34,98],"over":[35],"time,":[36],"decoupled":[37],"from":[38,164,225],"observation,":[39],"so":[40,263],"objects":[42],"endure":[43],"and":[44,87,120,141,146,215,248],"events":[45],"run":[46],"to":[47,62],"their":[48],"conclusions":[49],"whether":[50,93,129,136,147],"or":[51,233],"not":[52,223],"camera":[54,88,113,131],"is":[55,68,72,101],"watching,":[56],"much":[57],"moon":[60],"holds":[61],"its":[63],"orbit":[64],"when":[65],"no":[66],"one":[67,171],"looking.":[69],"This":[70],"requirement":[71],"blind":[74],"spot":[75],"of":[76,217,243,251,260],"existing":[77],"benchmarks,":[78],"which":[79,193],"reward":[80],"surface":[81],"properties":[82],"such":[83],"fidelity,":[85],"motion,":[86],"controllability":[89],"while":[90,143,202],"never":[91],"asking":[92],"generated":[95],"once":[99],"unobserved.":[102],"We":[103,237],"introduce":[104],"\\textbf{WRBench},":[105],"first":[107],"systematic":[108],"diagnostic":[109],"benchmark":[110],"treats":[112],"motion":[114],"intervention":[117,255],"observability":[119],"resolves":[121],"evaluation":[122],"into":[123],"human-calibrated":[125],"chain":[126],"asks":[128],"executes":[132],"requested":[134],"interaction,":[135],"scene":[138],"stays":[139],"continuous":[140],"identifiable":[142],"in":[144,159,189],"view,":[145],"returning":[149,187],"target":[150,188],"remains":[151],"consistent":[152],"with":[153],"event":[155,201],"was":[157,195],"set":[158],"motion.":[160],"Across":[161],"9{,}600":[162],"videos":[163],"23":[165],"spanning":[167],"four":[168],"control":[169,211],"paradigms,":[170,212],"finding":[172],"proves":[173],"stubborn:":[174],"current":[175],"systems":[176],"maintain":[177],"observed":[179],"tracking":[183],"shot,":[184],"resuming":[185],"at":[192],"abandoned":[196],"rather":[197,274],"advancing":[199],"went":[204],"unseen.":[205],"Because":[206],"this":[207],"failure":[208],"recurs":[209],"across":[210],"model":[213,267],"families,":[214],"increments":[216],"scale,":[218],"robust":[219],"world-state":[220],"evolution":[221],"does":[222],"follow":[224],"cleaner":[226],"imagery,":[227],"tighter":[228],"control,":[229],"richer":[230],"geometric":[231],"priors,":[232],"sheer":[234],"parameter":[235],"count":[236],"therefore":[238],"argue":[239],"stability":[242],"kernel":[247],"consistency":[250],"worldlines":[252],"under":[253],"viewpoint":[254],"should":[256],"become":[257],"first-class":[258],"objectives":[259],"world-model":[261],"design,":[262],"captures":[268],"how":[269,276],"will":[272],"unfold":[273],"next":[278],"frame":[279],"appears.":[280]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-06-20T00:00:00"}
