{"id":"https://openalex.org/W7225459906","doi":"https://doi.org/10.5281/zenodo.24041617","title":"The redshift staircase: time-domain tests of discrete spatial slices with pulsar timing and redshift drift","display_name":"The redshift staircase: time-domain tests of discrete spatial slices with pulsar timing and redshift drift","publication_year":2026,"publication_date":"2026-11-07","ids":{"openalex":"https://openalex.org/W7225459906","doi":"https://doi.org/10.5281/zenodo.24041617"},"language":"en","primary_location":{"id":"doi:10.5281/zenodo.24041617","doi":"https://doi.org/10.5281/zenodo.24041617","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24041617","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.5281/zenodo.24041617","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5160302774","display_name":"Mohammed Abdelwahab Husseiny","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Husseiny, Mohammed Abdelwahab","raw_affiliation_strings":["Independent Researcher, Edfu, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Independent Researcher, Edfu, Egypt","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5160302774"],"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/T10463","display_name":"Pulsars and Gravitational Waves Research","score":0.46700000762939453,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10463","display_name":"Pulsars and Gravitational Waves Research","score":0.46700000762939453,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10095","display_name":"Cosmology and Gravitation Theories","score":0.4657999873161316,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11415","display_name":"Noncommutative and Quantum Gravity Theories","score":0.015300000086426735,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/redshift-drift","display_name":"redshift drift","score":0.8420000076293945},{"id":"https://openalex.org/keywords/pulsar-timing","display_name":"pulsar timing","score":0.796999990940094},{"id":"https://openalex.org/keywords/hubble-constant","display_name":"Hubble constant","score":0.7459999918937683},{"id":"https://openalex.org/keywords/desi-dr1","display_name":"DESI DR1","score":0.6819999814033508},{"id":"https://openalex.org/keywords/light-travel-time-delay","display_name":"light travel time delay","score":0.7509999871253967},{"id":"https://openalex.org/keywords/alternative-cosmological-models","display_name":"alternative cosmology","score":0.39100000262260437}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8784000277519226},{"id":"https://openalex.org/C33024259","wikidata":"https://www.wikidata.org/wiki/Q76250","display_name":"Redshift","level":3,"score":0.7882000207901001},{"id":"https://openalex.org/C110363677","wikidata":"https://www.wikidata.org/wiki/Q4360","display_name":"Pulsar","level":2,"score":0.7074999809265137},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.698199987411499},{"id":"https://openalex.org/C2780695682","wikidata":"https://www.wikidata.org/wiki/Q4005959","display_name":"Jump","level":2,"score":0.49950000643730164},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.4546999931335449},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.37689998745918274},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.3700000047683716},{"id":"https://openalex.org/C121194460","wikidata":"https://www.wikidata.org/wiki/Q856741","display_name":"Random walk","level":2,"score":0.36559998989105225},{"id":"https://openalex.org/C117797892","wikidata":"https://www.wikidata.org/wiki/Q286363","display_name":"Shadow (psychology)","level":2,"score":0.3614000082015991},{"id":"https://openalex.org/C2778538162","wikidata":"https://www.wikidata.org/wiki/Q1044623","display_name":"Crab Pulsar","level":3,"score":0.3409999907016754},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.31150001287460327},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.29109999537467957},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.28029999136924744},{"id":"https://openalex.org/C159249277","wikidata":"https://www.wikidata.org/wiki/Q79925","display_name":"Dark matter","level":2,"score":0.26660001277923584},{"id":"https://openalex.org/C93682380","wikidata":"https://www.wikidata.org/wiki/Q2025226","display_name":"Static timing analysis","level":2,"score":0.26100000739097595},{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.2590999901294708},{"id":"https://openalex.org/C126691448","wikidata":"https://www.wikidata.org/wiki/Q2028919","display_name":"Magnitude (astronomy)","level":2,"score":0.25769999623298645},{"id":"https://openalex.org/C176673079","wikidata":"https://www.wikidata.org/wiki/Q193223","display_name":"Proper motion","level":3,"score":0.2554999887943268}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.5281/zenodo.24041617","doi":"https://doi.org/10.5281/zenodo.24041617","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24041617","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},{"id":"doi:10.5281/zenodo.24041618","doi":"https://doi.org/10.5281/zenodo.24041618","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24041618","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},{"id":"doi:10.5281/zenodo.24095929","doi":"https://doi.org/10.5281/zenodo.24095929","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24095929","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.5281/zenodo.24041617","doi":"https://doi.org/10.5281/zenodo.24041617","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.24041617","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W7225377266","https://openalex.org/W7225392083","https://openalex.org/W7225402358","https://openalex.org/W7225467206"],"related_works":["https://openalex.org/W148591283","https://openalex.org/W4394709495","https://openalex.org/W7204500104","https://openalex.org/W1971053324","https://openalex.org/W7225377266","https://openalex.org/W2055296117","https://openalex.org/W2044603382","https://openalex.org/W4387032023","https://openalex.org/W4411018034","https://openalex.org/W7212455007"],"abstract_inverted_index":{"In":[0,78,149,192],"the":[1,18,26,43,50,61,65,68,79,85,97,129,135,139,185,193,197,214,222,230,242,246,264,268],"author's":[2],"picture,":[3],"space":[4],"is":[5,13,17,45,96,147,201,224,241],"a":[6,92,121,143,177,199,202],"sequence":[7],"of":[8,20,36,49,87,119,196,205,245],"static":[9],"slices,":[10],"and":[11,42,71,124,167,175,179,229,267,270],"what":[12],"seen":[14],"as":[15,91],"expansion":[16],"passage":[19],"matter":[21,206],"from":[22],"one":[23,173,208],"slice":[24],"to":[25,109,188,216,275],"next.":[27],"If":[28],"bodies":[29],"cross":[30,220],"between":[31,165],"slices":[32],"by":[33,128,184,226,253],"discrete":[34],"steps":[35,118,158,181],"size":[37,103],"\u2113":[38,75,189],"in":[39,132,251],"ln":[40],"R":[41],"redshift":[44,57,86],"an":[46,217],"integer":[47],"multiple":[48],"step,":[51],"ln(1+z)":[52],"=":[53,261],"(n_o":[54],"\u2212":[55],"n_e)\u2113,":[56],"surveys":[58],"can":[59],"detect":[60],"ladder":[62],"only":[63],"if":[64,213],"step":[66,102,106],"exceeds":[67],"velocity":[69],"blur,":[70],"DESI":[72],"DR1":[73],"excludes":[74],"\u2273":[76],"0.002.":[77],"time":[80],"domain,":[81],"collective":[82],"crossing":[83],"makes":[84],"every":[88],"source":[89],"change":[90],"staircase":[93],"whose":[94],"mean":[95,105],"standard":[98],"Sandage\u2013Loeb":[99],"drift,":[100],"with":[101,234],"times":[104],"rate":[107],"equal":[108],"H\u2080.":[110],"For":[111],"Galactic":[112],"pulsars":[113,187],"it":[114],"produces":[115],"fractional":[116],"frequency":[117,219],"\u2113,":[120],"common":[122],"part":[123],"pulsar-specific":[125],"parts":[126,137],"delayed":[127,136],"light-travel":[130],"time;":[131],"synthetic":[133],"arrays":[134],"keep":[138],"signal":[140,223],"detectable":[141],"after":[142],"free":[144],"clock":[145],"term":[146],"fitted.":[148],"public":[150],"NANOGrav":[151],"12.5-yr":[152],"data":[153,272],"for":[154,170],"44":[155],"pulsars,":[156],"periodic":[157],"are":[159,182],"excluded":[160],"at":[161,207,210,259],"all":[162,277],"tested":[163],"values":[164],"6\u00d710\u207b\u00b9\u00b2":[166],"3.5\u00d710\u207b\u00b9\u2070,":[168],"except":[169],"periods":[171],"near":[172],"year":[174],"half":[176],"year,":[178],"random":[180,211],"limited":[183],"quietest":[186],"\u2272":[190],"10\u207b\u00b9\u2078.":[191],"present":[194],"form":[195],"picture":[198,231],"jump":[200],"quantum":[203],"transition":[204],"mode,":[209],"times;":[212],"contributions":[215],"observed":[218],"independently,":[221],"reduced":[225],"their":[227],"number,":[228],"remains":[232],"consistent":[233],"these":[235],"limits.":[236],"Its":[237],"own":[238],"time-domain":[239],"prediction":[240],"smooth":[243],"drift":[244],"exchange-law":[247],"cosmology,":[248],"smaller":[249],"than":[250],"\u039bCDM":[252],"0.9":[254],"cm/s":[255],"over":[256],"20":[257],"years":[258],"z":[260],"0.3\u20130.5.":[262],"Files:":[263],"paper":[265],"(PDF),":[266],"code":[269],"converted":[271],"(redshift_staircase_code_v4.zip)":[273],"needed":[274],"reproduce":[276],"results.":[278]},"counts_by_year":[],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2026-11-08T00:00:00"}
