{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:AHW7RZBE6G3QX35MGSUM2Z6MWS","short_pith_number":"pith:AHW7RZBE","schema_version":"1.0","canonical_sha256":"01edf8e424f1b70befac34a8cd67ccb4912879648c300cba6f1fb8265d04d875","source":{"kind":"arxiv","id":"2302.09735","version":2},"attestation_state":"computed","paper":{"title":"Constraint on the minimally extended varying speed of light using time dilations in type Ia supernovae","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Seokcheon Lee","submitted_at":"2023-02-20T03:13:15Z","abstract_excerpt":"The Friedmann-Lema\\^{i}tre-Robertson-Walker model establishes the correlation between redshifts and distances. It has a metric expansion of space. As a result, the wavelength of photons propagating through the expanding space is stretched, creating the cosmological redshift, $z$. It also relates the frequency of light detected by a local observer to that emitted from a distant source. In standard cosmology (\\textit{i.e.}, a constant speed light model), this relation is given by a factor $1/(1+z)$. However, this ratio is modified in the minimally extended varying speed of light model (meVSL, $c"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2302.09735","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-02-20T03:13:15Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"64897146aaf2a3b68ccaa77375db35f9a5db16ea42230423398d3614c9803ac2","abstract_canon_sha256":"78ffe9d20be7d2cbc2c56aa30db1033ea0aaea0ac480d309c8a51255efb82a4c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:38:47.821753Z","signature_b64":"91d+7CiFrGo5wVu/SjLJXuUPbcfLRU3eUVdhSU2RR+rP776VSvAYYrDP3E/zsPHvpPkPgTqTyrtPyn4Wn7KyAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01edf8e424f1b70befac34a8cd67ccb4912879648c300cba6f1fb8265d04d875","last_reissued_at":"2026-07-05T06:38:47.821270Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:38:47.821270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraint on the minimally extended varying speed of light using time dilations in type Ia supernovae","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Seokcheon Lee","submitted_at":"2023-02-20T03:13:15Z","abstract_excerpt":"The Friedmann-Lema\\^{i}tre-Robertson-Walker model establishes the correlation between redshifts and distances. It has a metric expansion of space. As a result, the wavelength of photons propagating through the expanding space is stretched, creating the cosmological redshift, $z$. It also relates the frequency of light detected by a local observer to that emitted from a distant source. In standard cosmology (\\textit{i.e.}, a constant speed light model), this relation is given by a factor $1/(1+z)$. However, this ratio is modified in the minimally extended varying speed of light model (meVSL, $c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.09735","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2302.09735/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2302.09735","created_at":"2026-07-05T06:38:47.821333+00:00"},{"alias_kind":"arxiv_version","alias_value":"2302.09735v2","created_at":"2026-07-05T06:38:47.821333+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.09735","created_at":"2026-07-05T06:38:47.821333+00:00"},{"alias_kind":"pith_short_12","alias_value":"AHW7RZBE6G3Q","created_at":"2026-07-05T06:38:47.821333+00:00"},{"alias_kind":"pith_short_16","alias_value":"AHW7RZBE6G3QX35M","created_at":"2026-07-05T06:38:47.821333+00:00"},{"alias_kind":"pith_short_8","alias_value":"AHW7RZBE","created_at":"2026-07-05T06:38:47.821333+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.09945","citing_title":"Geometric Matching of Local Static Regions in Cosmological Spacetimes with an Evolving Lapse","ref_index":24,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/AHW7RZBE6G3QX35MGSUM2Z6MWS","json":"https://pith.science/pith/AHW7RZBE6G3QX35MGSUM2Z6MWS.json","graph_json":"https://pith.science/api/pith-number/AHW7RZBE6G3QX35MGSUM2Z6MWS/graph.json","events_json":"https://pith.science/api/pith-number/AHW7RZBE6G3QX35MGSUM2Z6MWS/events.json","paper":"https://pith.science/paper/AHW7RZBE"},"agent_actions":{"view_html":"https://pith.science/pith/AHW7RZBE6G3QX35MGSUM2Z6MWS","download_json":"https://pith.science/pith/AHW7RZBE6G3QX35MGSUM2Z6MWS.json","view_paper":"https://pith.science/paper/AHW7RZBE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2302.09735&json=true","fetch_graph":"https://pith.science/api/pith-number/AHW7RZBE6G3QX35MGSUM2Z6MWS/graph.json","fetch_events":"https://pith.science/api/pith-number/AHW7RZBE6G3QX35MGSUM2Z6MWS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AHW7RZBE6G3QX35MGSUM2Z6MWS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AHW7RZBE6G3QX35MGSUM2Z6MWS/action/storage_attestation","attest_author":"https://pith.science/pith/AHW7RZBE6G3QX35MGSUM2Z6MWS/action/author_attestation","sign_citation":"https://pith.science/pith/AHW7RZBE6G3QX35MGSUM2Z6MWS/action/citation_signature","submit_replication":"https://pith.science/pith/AHW7RZBE6G3QX35MGSUM2Z6MWS/action/replication_record"}},"created_at":"2026-07-05T06:38:47.821333+00:00","updated_at":"2026-07-05T06:38:47.821333+00:00"}