{"id":"https://openalex.org/W7083304308","doi":"https://doi.org/10.48550/arxiv.2509.19453","title":"The Platonic Universe: Do Foundation Models See the Same Sky?","display_name":"The Platonic Universe: Do Foundation Models See the Same Sky?","publication_year":2025,"publication_date":"2025-09-23","ids":{"openalex":"https://openalex.org/W7083304308","doi":"https://doi.org/10.48550/arxiv.2509.19453"},"language":"en","primary_location":{"id":"doi:10.48550/arxiv.2509.19453","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2509.19453","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":"article"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2509.19453","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"UniverseTBD","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"UniverseTBD","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":":","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":":","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Duraphe, Kshitij","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Duraphe, Kshitij","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Smith, Michael J.","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Smith, Michael J.","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Sourav, Shashwat","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sourav, Shashwat","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"Wu, John F.","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wu, John F.","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":6,"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":true,"primary_topic":{"id":"https://openalex.org/T13067","display_name":"Geological Modeling and Analysis","score":0.06589999794960022,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13067","display_name":"Geological Modeling and Analysis","score":0.06589999794960022,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13596","display_name":"Grouting, Rheology, and Soil Mechanics","score":0.04879999905824661,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13236","display_name":"Geotechnical and construction materials studies","score":0.04050000011920929,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/foundation","display_name":"Foundation (evidence)","score":0.751800000667572},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.701200008392334},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.6869000196456909},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.4982999861240387},{"id":"https://openalex.org/keywords/test","display_name":"Test (biology)","score":0.34310001134872437},{"id":"https://openalex.org/keywords/outcome","display_name":"Outcome (game theory)","score":0.313400000333786}],"concepts":[{"id":"https://openalex.org/C2780966255","wikidata":"https://www.wikidata.org/wiki/Q5474306","display_name":"Foundation (evidence)","level":2,"score":0.751800000667572},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.701200008392334},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.6869000196456909},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5493000149726868},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.4982999861240387},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48649999499320984},{"id":"https://openalex.org/C2777267654","wikidata":"https://www.wikidata.org/wiki/Q3519023","display_name":"Test (biology)","level":2,"score":0.34310001134872437},{"id":"https://openalex.org/C148220186","wikidata":"https://www.wikidata.org/wiki/Q7111912","display_name":"Outcome (game theory)","level":2,"score":0.313400000333786},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.30709999799728394},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.2856999933719635},{"id":"https://openalex.org/C59404180","wikidata":"https://www.wikidata.org/wiki/Q17013334","display_name":"Feature learning","level":2,"score":0.2809000015258789},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2802000045776367},{"id":"https://openalex.org/C106624574","wikidata":"https://www.wikidata.org/wiki/Q5270387","display_name":"Diagrammatic reasoning","level":2,"score":0.2703000009059906},{"id":"https://openalex.org/C116409475","wikidata":"https://www.wikidata.org/wiki/Q1385056","display_name":"External Data Representation","level":2,"score":0.26339998841285706},{"id":"https://openalex.org/C160920958","wikidata":"https://www.wikidata.org/wiki/Q7662746","display_name":"Synthetic data","level":2,"score":0.2563999891281128},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2524999976158142}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2509.19453","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2509.19453","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":"article"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2509.19453","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2509.19453","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":"article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"We":[0,52],"test":[1],"the":[2,93],"Platonic":[3],"Representation":[4],"Hypothesis":[5],"(PRH)":[6],"in":[7],"astronomy":[8],"by":[9],"measuring":[10],"representational":[11,56],"convergence":[12,68],"across":[13,63],"a":[14,70],"range":[15],"of":[16,73],"foundation":[17,81],"models":[18,82],"trained":[19],"on":[20,92],"different":[21],"data":[22],"types.":[23],"Using":[24],"spectroscopic":[25],"and":[26,34,44],"imaging":[27],"observations":[28],"from":[29,39],"JWST,":[30],"HSC,":[31],"Legacy":[32],"Survey,":[33],"DESI,":[35],"we":[36],"compare":[37],"representations":[38],"vision":[40],"transformers,":[41],"self-supervised":[42],"models,":[43],"astronomy-specific":[45],"architectures":[46],"via":[47],"mutual":[48],"$k$-nearest":[49],"neighbour":[50],"analysis.":[51],"observe":[53],"consistent":[54],"scaling:":[55],"alignment":[57],"generally":[58],"increases":[59],"with":[60],"model":[61],"capacity":[62],"our":[64],"tested":[65],"architectures,":[66,87],"supporting":[67],"toward":[69],"shared":[71],"representation":[72],"galaxy":[74],"astrophysics.":[75],"Our":[76],"results":[77],"suggest":[78],"that":[79],"astronomical":[80],"can":[83],"use":[84],"pre-trained":[85],"general-purpose":[86],"allowing":[88],"us":[89],"to":[90],"capitalise":[91],"broader":[94],"machine":[95],"learning":[96],"community's":[97],"already-spent":[98],"computational":[99],"investment.":[100]},"counts_by_year":[],"updated_date":"2025-11-06T06:51:31.235846","created_date":"2025-10-10T00:00:00"}
