{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:JYPW7NCYG6GPRZVHLWGOMDXW2T","short_pith_number":"pith:JYPW7NCY","schema_version":"1.0","canonical_sha256":"4e1f6fb458378cf8e6a75d8ce60ef6d4ecd22413b760fb5826aea23f38b418d5","source":{"kind":"arxiv","id":"1412.7899","version":1},"attestation_state":"computed","paper":{"title":"Thin shell model revisited","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Sijie Gao, Xiaobao Wang","submitted_at":"2014-12-26T07:00:44Z","abstract_excerpt":"We reconsider some fundamental problems of the thin shell model. First, we point out that the \"cut and paste\" construction does not guarantee a well-defined manifold because there is no overlap of coordinates across the shell. When one requires that the spacetime metric across the thin shell is continuous, it also provides a way to specify the tangent space and the manifold. Other authors have shown that this specification leads to the conservation laws when shells collide. On the other hand, the well-known areal radius $r$ seems to be a perfect coordinate covering all regions of a spherically"},"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":"1412.7899","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-12-26T07:00:44Z","cross_cats_sorted":[],"title_canon_sha256":"3116726f5c3b41c82fd72e8313a7f1ca39433dc45a9f977a40c1a32304d6d8a8","abstract_canon_sha256":"061da49c50fc1e33f8e6b22418058dc839be1054b546b3a784efd7ee8dc75224"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:24.784707Z","signature_b64":"wh60aJFryo7jJjRNWITrDJwxZBHVSd8Y9FRe92DMGlpV/BDjaHVyXmO24GQ1nIjyLjgkrEJPwdJDgEo8EUDrAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e1f6fb458378cf8e6a75d8ce60ef6d4ecd22413b760fb5826aea23f38b418d5","last_reissued_at":"2026-05-18T02:30:24.784138Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:24.784138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Thin shell model revisited","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Sijie Gao, Xiaobao Wang","submitted_at":"2014-12-26T07:00:44Z","abstract_excerpt":"We reconsider some fundamental problems of the thin shell model. First, we point out that the \"cut and paste\" construction does not guarantee a well-defined manifold because there is no overlap of coordinates across the shell. When one requires that the spacetime metric across the thin shell is continuous, it also provides a way to specify the tangent space and the manifold. Other authors have shown that this specification leads to the conservation laws when shells collide. On the other hand, the well-known areal radius $r$ seems to be a perfect coordinate covering all regions of a spherically"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.7899","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":""},"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":"1412.7899","created_at":"2026-05-18T02:30:24.784214+00:00"},{"alias_kind":"arxiv_version","alias_value":"1412.7899v1","created_at":"2026-05-18T02:30:24.784214+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.7899","created_at":"2026-05-18T02:30:24.784214+00:00"},{"alias_kind":"pith_short_12","alias_value":"JYPW7NCYG6GP","created_at":"2026-05-18T12:28:35.611951+00:00"},{"alias_kind":"pith_short_16","alias_value":"JYPW7NCYG6GPRZVH","created_at":"2026-05-18T12:28:35.611951+00:00"},{"alias_kind":"pith_short_8","alias_value":"JYPW7NCY","created_at":"2026-05-18T12:28:35.611951+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/JYPW7NCYG6GPRZVHLWGOMDXW2T","json":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T.json","graph_json":"https://pith.science/api/pith-number/JYPW7NCYG6GPRZVHLWGOMDXW2T/graph.json","events_json":"https://pith.science/api/pith-number/JYPW7NCYG6GPRZVHLWGOMDXW2T/events.json","paper":"https://pith.science/paper/JYPW7NCY"},"agent_actions":{"view_html":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T","download_json":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T.json","view_paper":"https://pith.science/paper/JYPW7NCY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1412.7899&json=true","fetch_graph":"https://pith.science/api/pith-number/JYPW7NCYG6GPRZVHLWGOMDXW2T/graph.json","fetch_events":"https://pith.science/api/pith-number/JYPW7NCYG6GPRZVHLWGOMDXW2T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T/action/storage_attestation","attest_author":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T/action/author_attestation","sign_citation":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T/action/citation_signature","submit_replication":"https://pith.science/pith/JYPW7NCYG6GPRZVHLWGOMDXW2T/action/replication_record"}},"created_at":"2026-05-18T02:30:24.784214+00:00","updated_at":"2026-05-18T02:30:24.784214+00:00"}