{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:HW4MU67RYJ4RAAODZQPTTN2GY4","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"89e35b09c2ab64ec22aa52abf805355d757c5c93538f21479ac9a5576a294675","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-04-27T06:21:23Z","title_canon_sha256":"59510a2586f29419a1d7795909755a384fcbb28dc929fce5a006a05f7b881975"},"schema_version":"1.0","source":{"id":"1304.7331","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.7331","created_at":"2026-05-18T01:50:21Z"},{"alias_kind":"arxiv_version","alias_value":"1304.7331v2","created_at":"2026-05-18T01:50:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.7331","created_at":"2026-05-18T01:50:21Z"},{"alias_kind":"pith_short_12","alias_value":"HW4MU67RYJ4R","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HW4MU67RYJ4RAAOD","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HW4MU67R","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:69a389c471ac1602e8260d70d06b3cf2307b9d58339e1a9c467224bf17ce01ed","target":"graph","created_at":"2026-05-18T01:50:21Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We show that, in principle, a slowly evolving gravitationally collapsing perfect fluid cloud can asymptotically settle to a static spherically symmetric equilibrium configuration with a naked singularity at the center. We consider one such asymptotic final configuration with a finite outer radius, and construct a toy model in which it is matched to a Schwarzschild exterior geometry. We examine the properties of circular orbits in this model. We then investigate observational signatures of a thermal accretion disk in this spacetime, comparing them with the signatures expected for a disk around ","authors_text":"Daniele Malafarina, Pankaj S. Joshi, Ramesh Narayan","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-04-27T06:21:23Z","title":"Distinguishing black holes from naked singularities through their accretion disk properties"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.7331","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:37326b92c242a6f8842ac3e29fc13d7179ed33403a56ad391feca6d45832e120","target":"record","created_at":"2026-05-18T01:50:21Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"89e35b09c2ab64ec22aa52abf805355d757c5c93538f21479ac9a5576a294675","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-04-27T06:21:23Z","title_canon_sha256":"59510a2586f29419a1d7795909755a384fcbb28dc929fce5a006a05f7b881975"},"schema_version":"1.0","source":{"id":"1304.7331","kind":"arxiv","version":2}},"canonical_sha256":"3db8ca7bf1c2791001c3cc1f39b746c7260002479a9cd1932ea6d9fa70df5150","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3db8ca7bf1c2791001c3cc1f39b746c7260002479a9cd1932ea6d9fa70df5150","first_computed_at":"2026-05-18T01:50:21.123457Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:21.123457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mw+PtP3ueUGooorPajbNc6nvW8zxUp+fGL1m1a4EaRW6JtmWZWR5Nxb1V6GuoW8QQd90fYjKeF+admpFtdP1BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:21.124073Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.7331","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37326b92c242a6f8842ac3e29fc13d7179ed33403a56ad391feca6d45832e120","sha256:69a389c471ac1602e8260d70d06b3cf2307b9d58339e1a9c467224bf17ce01ed"],"state_sha256":"773d8820c7e8341b879c0e4b9525a689550082e8df3564c875b6e81c53501fd4"}