{"id":"https://openalex.org/W4320477767","doi":"https://doi.org/10.1145/3636501.3636958","title":"UTC Time, Formally Verified","display_name":"UTC Time, Formally Verified","publication_year":2024,"publication_date":"2024-01-09","ids":{"openalex":"https://openalex.org/W4320477767","doi":"https://doi.org/10.1145/3636501.3636958"},"language":"en","primary_location":{"id":"doi:10.1145/3636501.3636958","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3636501.3636958","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th ACM SIGPLAN International Conference on Certified Programs and Proofs","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2209.14227","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5035104424","display_name":"Ana de Almeida Borges","orcid":"https://orcid.org/0000-0001-5152-198X"},"institutions":[{"id":"https://openalex.org/I71999127","display_name":"Universitat de Barcelona","ror":"https://ror.org/021018s57","country_code":"ES","type":"education","lineage":["https://openalex.org/I71999127"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Ana de Almeida Borges","raw_affiliation_strings":["University of Barcelona, Barcelona, Spain / Formal Vindications S.L., Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"University of Barcelona, Barcelona, Spain / Formal Vindications S.L., Barcelona, Spain","institution_ids":["https://openalex.org/I71999127"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053011081","display_name":"Mireia Gonz\u00e1lez Bedmar","orcid":null},"institutions":[{"id":"https://openalex.org/I71999127","display_name":"Universitat de Barcelona","ror":"https://ror.org/021018s57","country_code":"ES","type":"education","lineage":["https://openalex.org/I71999127"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Mireia Gonza\u0301lez Bedmar","raw_affiliation_strings":["University of Barcelona, Barcelona, Spain / Formal Vindications S.L., Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"University of Barcelona, Barcelona, Spain / Formal Vindications S.L., Barcelona, Spain","institution_ids":["https://openalex.org/I71999127"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086027430","display_name":"Juan Conejero Rodr\u00edguez","orcid":null},"institutions":[{"id":"https://openalex.org/I71999127","display_name":"Universitat de Barcelona","ror":"https://ror.org/021018s57","country_code":"ES","type":"education","lineage":["https://openalex.org/I71999127"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Juan Conejero Rodr\u00edguez","raw_affiliation_strings":["University of Barcelona, Barcelona, Spain / Formal Vindications S.L., Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"University of Barcelona, Barcelona, Spain / Formal Vindications S.L., Barcelona, Spain","institution_ids":["https://openalex.org/I71999127"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051963513","display_name":"Eduardo Hermo Reyes","orcid":null},"institutions":[{"id":"https://openalex.org/I71999127","display_name":"Universitat de Barcelona","ror":"https://ror.org/021018s57","country_code":"ES","type":"education","lineage":["https://openalex.org/I71999127"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Eduardo Hermo Reyes","raw_affiliation_strings":["University of Barcelona, Barcelona, Spain / Formal Vindications S.L., Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"University of Barcelona, Barcelona, Spain / Formal Vindications S.L., Barcelona, Spain","institution_ids":["https://openalex.org/I71999127"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002641919","display_name":"Joaquim Casals Bu\u00f1uel","orcid":null},"institutions":[{"id":"https://openalex.org/I71999127","display_name":"Universitat de Barcelona","ror":"https://ror.org/021018s57","country_code":"ES","type":"education","lineage":["https://openalex.org/I71999127"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Joaquim Casals Bu\u00f1uel","raw_affiliation_strings":["University of Barcelona, Barcelona, Spain / Formal Vindications S.L., Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"University of Barcelona, Barcelona, Spain / Formal Vindications S.L., Barcelona, Spain","institution_ids":["https://openalex.org/I71999127"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086500294","display_name":"Joost J. Joosten","orcid":"https://orcid.org/0000-0001-9590-5045"},"institutions":[{"id":"https://openalex.org/I71999127","display_name":"Universitat de Barcelona","ror":"https://ror.org/021018s57","country_code":"ES","type":"education","lineage":["https://openalex.org/I71999127"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Joost Joosten","raw_affiliation_strings":["University of Barcelona, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"University of Barcelona, Barcelona, Spain","institution_ids":["https://openalex.org/I71999127"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5035104424"],"corresponding_institution_ids":["https://openalex.org/I71999127"],"apc_list":null,"apc_paid":null,"fwci":0.7088,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.72352442,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"2","last_page":"13"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10126","display_name":"Logic, programming, and type systems","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T10142","display_name":"Formal Methods in Verification","score":0.9959999918937683,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/computer-science","display_name":"Computer science","score":0.7899694442749023},{"id":"https://openalex.org/keywords/timestamp","display_name":"Timestamp","score":0.7609906196594238},{"id":"https://openalex.org/keywords/novelty","display_name":"Novelty","score":0.7110638618469238},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.5822407603263855},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.552944540977478},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.4365317225456238},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3323209881782532},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.16297930479049683}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7899694442749023},{"id":"https://openalex.org/C113954288","wikidata":"https://www.wikidata.org/wiki/Q186885","display_name":"Timestamp","level":2,"score":0.7609906196594238},{"id":"https://openalex.org/C2778738651","wikidata":"https://www.wikidata.org/wiki/Q16546687","display_name":"Novelty","level":2,"score":0.7110638618469238},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.5822407603263855},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.552944540977478},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.4365317225456238},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3323209881782532},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.16297930479049683},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C27206212","wikidata":"https://www.wikidata.org/wiki/Q34178","display_name":"Theology","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3636501.3636958","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3636501.3636958","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 13th ACM SIGPLAN International Conference on Certified Programs and Proofs","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2209.14227","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2209.14227","pdf_url":"https://arxiv.org/pdf/2209.14227","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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2209.14227","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2209.14227","pdf_url":"https://arxiv.org/pdf/2209.14227","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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320323428","display_name":"Universitat de Barcelona","ror":"https://ror.org/021018s57"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1713610","https://openalex.org/W1515423457","https://openalex.org/W1522720500","https://openalex.org/W1545369278","https://openalex.org/W1567380020","https://openalex.org/W1649228311","https://openalex.org/W1701372208","https://openalex.org/W1753642991","https://openalex.org/W1768814311","https://openalex.org/W1778289469","https://openalex.org/W2023035194","https://openalex.org/W2067081213","https://openalex.org/W2073742357","https://openalex.org/W2076964487","https://openalex.org/W2091345373","https://openalex.org/W2098959411","https://openalex.org/W2113181166","https://openalex.org/W2121829218","https://openalex.org/W2167805009","https://openalex.org/W2168254994","https://openalex.org/W2213989452","https://openalex.org/W2899390563","https://openalex.org/W2906883693","https://openalex.org/W3003196619","https://openalex.org/W3037716021","https://openalex.org/W3039875133","https://openalex.org/W3040202382","https://openalex.org/W3095664463","https://openalex.org/W3175944920","https://openalex.org/W4205246025","https://openalex.org/W4246191294","https://openalex.org/W4246581241","https://openalex.org/W4256299415","https://openalex.org/W4281716253","https://openalex.org/W4287110782","https://openalex.org/W4307407368","https://openalex.org/W4390729259","https://openalex.org/W6604894765"],"related_works":["https://openalex.org/W2060561905","https://openalex.org/W2381242807","https://openalex.org/W1417711376","https://openalex.org/W3126131230","https://openalex.org/W2347541121","https://openalex.org/W4288804799","https://openalex.org/W2080951048","https://openalex.org/W1986883493","https://openalex.org/W3032237421","https://openalex.org/W2390346111"],"abstract_inverted_index":{"FV":[0,73],"Time":[1,74],"is":[2,19,48],"a":[3,20,41],"small-scale":[4],"verification":[5],"project":[6],"developed":[7],"in":[8,65],"the":[9,14,49,58,69],"Coq":[10],"proof":[11],"assistant":[12],"using":[13],"Mathematical":[15],"Components":[16],"libraries.":[17,67],"It":[18],"library":[21,42],"for":[22,37,43,85],"managing":[23],"conversions":[24],"between":[25],"time":[26,38,44],"formats":[27],"(UTC":[28],"and":[29],"timestamps),":[30],"as":[31,33],"well":[32],"commonly":[34],"used":[35],"functions":[36,71],"arithmetic.":[39],"As":[40],"conversions,":[45],"its":[46],"novelty":[47],"implementation":[50],"of":[51,57,72],"leap":[52],"seconds,":[53],"which":[54],"are":[55,75],"part":[56],"UTC":[59],"standard":[60],"but":[61],"usually":[62],"not":[63],"implemented":[64],"existing":[66],"Since":[68],"verified":[70],"reasonably":[76],"simple":[77],"yet":[78],"non-trivial,":[79],"it":[80],"nicely":[81],"illustrates":[82],"our":[83],"methodology":[84],"verifying":[86],"software":[87],"with":[88],"Coq.":[89]},"counts_by_year":[{"year":2024,"cited_by_count":2}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2023-02-14T00:00:00"}
