{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:CWEXY3G2WN32P772FNB5HHWKDI","short_pith_number":"pith:CWEXY3G2","schema_version":"1.0","canonical_sha256":"15897c6cdab377a7fffa2b43d39eca1a0ed3ee51a7691b2e3350ced178a21d44","source":{"kind":"arxiv","id":"astro-ph/0010591","version":1},"attestation_state":"computed","paper":{"title":"Stars and black holes in varying speed of light theories","license":"","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph","authors_text":"Joao Magueijo","submitted_at":"2000-10-29T15:49:06Z","abstract_excerpt":"We investigate spherically symmetric solutions to a recently proposed covariant and locally Lorentz-invariant varying speed of light theory. We find the metrics and variations in $c$ associated with the counterpart of black holes, the outside of a star, and stellar collapse. The remarkable novelty is that $c$ goes to zero or infinity (depending on parameter signs) at the horizon. We show how this implies that, with appropriate parameters, observers are prevented from entering the horizon. Concomitantly stellar collapse must end in a ``Schwarzchild radius'' remnant. We then find formulae for gr"},"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":"astro-ph/0010591","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-10-29T15:49:06Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"0214f48d86af49110c7f180ad28c1749cbfcbf5bb16d5a2b31c76be87fd6c7ee","abstract_canon_sha256":"69bae427d36b47e05c95ac4d9aa01c1f567e2ec0f6cd71bec2e30620a566f682"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:17:30.085029Z","signature_b64":"JZ1yF8PrnGYLqNu3x38ye7MuDOJmIHyntk0RUl3tq0fK3FgY1E5vdI9kTSZINMQ2+0cspSLMh6KevNUiD1hvAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15897c6cdab377a7fffa2b43d39eca1a0ed3ee51a7691b2e3350ced178a21d44","last_reissued_at":"2026-07-04T16:17:30.084437Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:17:30.084437Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stars and black holes in varying speed of light theories","license":"","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph","authors_text":"Joao Magueijo","submitted_at":"2000-10-29T15:49:06Z","abstract_excerpt":"We investigate spherically symmetric solutions to a recently proposed covariant and locally Lorentz-invariant varying speed of light theory. We find the metrics and variations in $c$ associated with the counterpart of black holes, the outside of a star, and stellar collapse. The remarkable novelty is that $c$ goes to zero or infinity (depending on parameter signs) at the horizon. We show how this implies that, with appropriate parameters, observers are prevented from entering the horizon. Concomitantly stellar collapse must end in a ``Schwarzchild radius'' remnant. We then find formulae for gr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0010591","kind":"arxiv","version":1},"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/astro-ph/0010591/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":"astro-ph/0010591","created_at":"2026-07-04T16:17:30.084491+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0010591v1","created_at":"2026-07-04T16:17:30.084491+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0010591","created_at":"2026-07-04T16:17:30.084491+00:00"},{"alias_kind":"pith_short_12","alias_value":"CWEXY3G2WN32","created_at":"2026-07-04T16:17:30.084491+00:00"},{"alias_kind":"pith_short_16","alias_value":"CWEXY3G2WN32P772","created_at":"2026-07-04T16:17:30.084491+00:00"},{"alias_kind":"pith_short_8","alias_value":"CWEXY3G2","created_at":"2026-07-04T16:17:30.084491+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2509.08840","citing_title":"Alleviating the Hubble Tension via Cosmological Time Dilation in the meVSL Model","ref_index":48,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CWEXY3G2WN32P772FNB5HHWKDI","json":"https://pith.science/pith/CWEXY3G2WN32P772FNB5HHWKDI.json","graph_json":"https://pith.science/api/pith-number/CWEXY3G2WN32P772FNB5HHWKDI/graph.json","events_json":"https://pith.science/api/pith-number/CWEXY3G2WN32P772FNB5HHWKDI/events.json","paper":"https://pith.science/paper/CWEXY3G2"},"agent_actions":{"view_html":"https://pith.science/pith/CWEXY3G2WN32P772FNB5HHWKDI","download_json":"https://pith.science/pith/CWEXY3G2WN32P772FNB5HHWKDI.json","view_paper":"https://pith.science/paper/CWEXY3G2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0010591&json=true","fetch_graph":"https://pith.science/api/pith-number/CWEXY3G2WN32P772FNB5HHWKDI/graph.json","fetch_events":"https://pith.science/api/pith-number/CWEXY3G2WN32P772FNB5HHWKDI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CWEXY3G2WN32P772FNB5HHWKDI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CWEXY3G2WN32P772FNB5HHWKDI/action/storage_attestation","attest_author":"https://pith.science/pith/CWEXY3G2WN32P772FNB5HHWKDI/action/author_attestation","sign_citation":"https://pith.science/pith/CWEXY3G2WN32P772FNB5HHWKDI/action/citation_signature","submit_replication":"https://pith.science/pith/CWEXY3G2WN32P772FNB5HHWKDI/action/replication_record"}},"created_at":"2026-07-04T16:17:30.084491+00:00","updated_at":"2026-07-04T16:17:30.084491+00:00"}