{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:WYOHUASCTETABBDG3HURNCFEC2","short_pith_number":"pith:WYOHUASC","schema_version":"1.0","canonical_sha256":"b61c7a02429926008466d9e91688a41681af3d25ae6c1356dd90eb717ccbd3a2","source":{"kind":"arxiv","id":"1909.06253","version":1},"attestation_state":"computed","paper":{"title":"Equilibrium and stability of thin spherical shells in Newtonian and relativistic gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Eric Poisson, Philip LeMaitre","submitted_at":"2019-09-13T14:25:43Z","abstract_excerpt":"We consider thin spherical shells of matter in both Newtonian gravity and general relativity, and examine their equilibrium configurations and dynamical stability. Thin-shell models are admittedly a poor substitute for realistic stellar models. But the simplicity of the equations that govern their dynamics, compared with the much more complicated mechanics of a self-gravitating fluid, allows us to deliver, in a very direct and easy manner, powerful insights regarding their equilibria and stability. We explore, in particular, the link between the existence of a maximum mass along a sequence of "},"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":"1909.06253","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-09-13T14:25:43Z","cross_cats_sorted":[],"title_canon_sha256":"16a50d51cf7075826295029c7e43d4eccd1856dbef524af6d29c4d0433d27127","abstract_canon_sha256":"65c61490628ec3ce22469b91670d1bac69b8364f92435dfbdbba6a445b396a45"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:31:57.567546Z","signature_b64":"iO4A7m/0cuX1Ds89fnwYJzbeQ2acinyOKfwuvRJkPxxZJ3FJxW0zPbSDtbruiXuQqRiZmi6MmlGfyF9GI5zRAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b61c7a02429926008466d9e91688a41681af3d25ae6c1356dd90eb717ccbd3a2","last_reissued_at":"2026-07-05T00:31:57.567080Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:31:57.567080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Equilibrium and stability of thin spherical shells in Newtonian and relativistic gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Eric Poisson, Philip LeMaitre","submitted_at":"2019-09-13T14:25:43Z","abstract_excerpt":"We consider thin spherical shells of matter in both Newtonian gravity and general relativity, and examine their equilibrium configurations and dynamical stability. Thin-shell models are admittedly a poor substitute for realistic stellar models. But the simplicity of the equations that govern their dynamics, compared with the much more complicated mechanics of a self-gravitating fluid, allows us to deliver, in a very direct and easy manner, powerful insights regarding their equilibria and stability. We explore, in particular, the link between the existence of a maximum mass along a sequence of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.06253","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/1909.06253/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":"1909.06253","created_at":"2026-07-05T00:31:57.567130+00:00"},{"alias_kind":"arxiv_version","alias_value":"1909.06253v1","created_at":"2026-07-05T00:31:57.567130+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.06253","created_at":"2026-07-05T00:31:57.567130+00:00"},{"alias_kind":"pith_short_12","alias_value":"WYOHUASCTETA","created_at":"2026-07-05T00:31:57.567130+00:00"},{"alias_kind":"pith_short_16","alias_value":"WYOHUASCTETABBDG","created_at":"2026-07-05T00:31:57.567130+00:00"},{"alias_kind":"pith_short_8","alias_value":"WYOHUASC","created_at":"2026-07-05T00:31:57.567130+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WYOHUASCTETABBDG3HURNCFEC2","json":"https://pith.science/pith/WYOHUASCTETABBDG3HURNCFEC2.json","graph_json":"https://pith.science/api/pith-number/WYOHUASCTETABBDG3HURNCFEC2/graph.json","events_json":"https://pith.science/api/pith-number/WYOHUASCTETABBDG3HURNCFEC2/events.json","paper":"https://pith.science/paper/WYOHUASC"},"agent_actions":{"view_html":"https://pith.science/pith/WYOHUASCTETABBDG3HURNCFEC2","download_json":"https://pith.science/pith/WYOHUASCTETABBDG3HURNCFEC2.json","view_paper":"https://pith.science/paper/WYOHUASC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1909.06253&json=true","fetch_graph":"https://pith.science/api/pith-number/WYOHUASCTETABBDG3HURNCFEC2/graph.json","fetch_events":"https://pith.science/api/pith-number/WYOHUASCTETABBDG3HURNCFEC2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WYOHUASCTETABBDG3HURNCFEC2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WYOHUASCTETABBDG3HURNCFEC2/action/storage_attestation","attest_author":"https://pith.science/pith/WYOHUASCTETABBDG3HURNCFEC2/action/author_attestation","sign_citation":"https://pith.science/pith/WYOHUASCTETABBDG3HURNCFEC2/action/citation_signature","submit_replication":"https://pith.science/pith/WYOHUASCTETABBDG3HURNCFEC2/action/replication_record"}},"created_at":"2026-07-05T00:31:57.567130+00:00","updated_at":"2026-07-05T00:31:57.567130+00:00"}