{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:YWLZCOCQABM7UEVWCZVUCOTUFM","short_pith_number":"pith:YWLZCOCQ","canonical_record":{"source":{"id":"2110.07343","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-10-14T13:24:37Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"e6192a72f603553874f7f453ddef9dc479c6043cf298a2c20cb041b4b728e02d","abstract_canon_sha256":"e9d851339a229a3c4ca15805088adb9559718e125e599a72a76a9fe78b0aa564"},"schema_version":"1.0"},"canonical_sha256":"c5979138500059fa12b6166b413a742b3862c3967cc0d48f5068936169450999","source":{"kind":"arxiv","id":"2110.07343","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.07343","created_at":"2026-07-05T04:10:24Z"},{"alias_kind":"arxiv_version","alias_value":"2110.07343v3","created_at":"2026-07-05T04:10:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.07343","created_at":"2026-07-05T04:10:24Z"},{"alias_kind":"pith_short_12","alias_value":"YWLZCOCQABM7","created_at":"2026-07-05T04:10:24Z"},{"alias_kind":"pith_short_16","alias_value":"YWLZCOCQABM7UEVW","created_at":"2026-07-05T04:10:24Z"},{"alias_kind":"pith_short_8","alias_value":"YWLZCOCQ","created_at":"2026-07-05T04:10:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:YWLZCOCQABM7UEVWCZVUCOTUFM","target":"record","payload":{"canonical_record":{"source":{"id":"2110.07343","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-10-14T13:24:37Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"e6192a72f603553874f7f453ddef9dc479c6043cf298a2c20cb041b4b728e02d","abstract_canon_sha256":"e9d851339a229a3c4ca15805088adb9559718e125e599a72a76a9fe78b0aa564"},"schema_version":"1.0"},"canonical_sha256":"c5979138500059fa12b6166b413a742b3862c3967cc0d48f5068936169450999","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:10:24.022769Z","signature_b64":"HGOtoZEH+CI6L4SO6ZSqmvZGbmHC0PZMVTajbYgbNlIcLPzx1avOEXznOH1uKIYGBG8BnckWxo4k3gUomymPAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5979138500059fa12b6166b413a742b3862c3967cc0d48f5068936169450999","last_reissued_at":"2026-07-05T04:10:24.022286Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:10:24.022286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.07343","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:10:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kGlmS14qWa2tr+WY5mix2xkH8ta0EOmL4QevPaLiIpVsW97qolcBNvh/KL1X+/YH9SaRrY/TkSbJehyLJNyXBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T02:34:42.084874Z"},"content_sha256":"ddc2d135cd01614e9b37a1fb38c1dd5cf5bd943f0acab94698835f1fc1408178","schema_version":"1.0","event_id":"sha256:ddc2d135cd01614e9b37a1fb38c1dd5cf5bd943f0acab94698835f1fc1408178"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:YWLZCOCQABM7UEVWCZVUCOTUFM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Singularity resolution in gravitational collapse","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Dipanjan Dey, Karim Mosani, Kaushik Bhattacharya, Pankaj S. Joshi","submitted_at":"2021-10-14T13:24:37Z","abstract_excerpt":"We investigate the unhindered gravitational collapse of a homogeneous scalar field with nonzero potential, a two-dimensional analog of the Mexican hat-shaped Higgs field potential. The collapsing scalar field is surrounded by an exterior retarded (outgoing) generalized Vaidya spacetime. We prove that the density dependence on the scale factor cannot be expressed as an algebraic function in such a scenario. For a certain transcendental expression of the density of such field as a function of scale factor, we then show that the collapse evolves to a singularity at an infinite comoving time, whic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.07343","kind":"arxiv","version":3},"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/2110.07343/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:10:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bTNbJZJvK+c6Ryqx3Byvzjm4qogeMckBHbv0rbWkOVQtyzcsfufiKC4fCqe3+Mch7k2wp/AMcygqFdcCc7dGCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T02:34:42.085396Z"},"content_sha256":"d6c70994acd004f919937202011da03c77b0ab8f0c70c98b88ac08f2c3e35d72","schema_version":"1.0","event_id":"sha256:d6c70994acd004f919937202011da03c77b0ab8f0c70c98b88ac08f2c3e35d72"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YWLZCOCQABM7UEVWCZVUCOTUFM/bundle.json","state_url":"https://pith.science/pith/YWLZCOCQABM7UEVWCZVUCOTUFM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YWLZCOCQABM7UEVWCZVUCOTUFM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-11T02:34:42Z","links":{"resolver":"https://pith.science/pith/YWLZCOCQABM7UEVWCZVUCOTUFM","bundle":"https://pith.science/pith/YWLZCOCQABM7UEVWCZVUCOTUFM/bundle.json","state":"https://pith.science/pith/YWLZCOCQABM7UEVWCZVUCOTUFM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YWLZCOCQABM7UEVWCZVUCOTUFM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:YWLZCOCQABM7UEVWCZVUCOTUFM","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":"e9d851339a229a3c4ca15805088adb9559718e125e599a72a76a9fe78b0aa564","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-10-14T13:24:37Z","title_canon_sha256":"e6192a72f603553874f7f453ddef9dc479c6043cf298a2c20cb041b4b728e02d"},"schema_version":"1.0","source":{"id":"2110.07343","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.07343","created_at":"2026-07-05T04:10:24Z"},{"alias_kind":"arxiv_version","alias_value":"2110.07343v3","created_at":"2026-07-05T04:10:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.07343","created_at":"2026-07-05T04:10:24Z"},{"alias_kind":"pith_short_12","alias_value":"YWLZCOCQABM7","created_at":"2026-07-05T04:10:24Z"},{"alias_kind":"pith_short_16","alias_value":"YWLZCOCQABM7UEVW","created_at":"2026-07-05T04:10:24Z"},{"alias_kind":"pith_short_8","alias_value":"YWLZCOCQ","created_at":"2026-07-05T04:10:24Z"}],"graph_snapshots":[{"event_id":"sha256:d6c70994acd004f919937202011da03c77b0ab8f0c70c98b88ac08f2c3e35d72","target":"graph","created_at":"2026-07-05T04:10:24Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2110.07343/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the unhindered gravitational collapse of a homogeneous scalar field with nonzero potential, a two-dimensional analog of the Mexican hat-shaped Higgs field potential. The collapsing scalar field is surrounded by an exterior retarded (outgoing) generalized Vaidya spacetime. We prove that the density dependence on the scale factor cannot be expressed as an algebraic function in such a scenario. For a certain transcendental expression of the density of such field as a function of scale factor, we then show that the collapse evolves to a singularity at an infinite comoving time, whic","authors_text":"Dipanjan Dey, Karim Mosani, Kaushik Bhattacharya, Pankaj S. Joshi","cross_cats":["hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-10-14T13:24:37Z","title":"Singularity resolution in gravitational collapse"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.07343","kind":"arxiv","version":3},"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:ddc2d135cd01614e9b37a1fb38c1dd5cf5bd943f0acab94698835f1fc1408178","target":"record","created_at":"2026-07-05T04:10:24Z","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":"e9d851339a229a3c4ca15805088adb9559718e125e599a72a76a9fe78b0aa564","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-10-14T13:24:37Z","title_canon_sha256":"e6192a72f603553874f7f453ddef9dc479c6043cf298a2c20cb041b4b728e02d"},"schema_version":"1.0","source":{"id":"2110.07343","kind":"arxiv","version":3}},"canonical_sha256":"c5979138500059fa12b6166b413a742b3862c3967cc0d48f5068936169450999","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c5979138500059fa12b6166b413a742b3862c3967cc0d48f5068936169450999","first_computed_at":"2026-07-05T04:10:24.022286Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:10:24.022286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HGOtoZEH+CI6L4SO6ZSqmvZGbmHC0PZMVTajbYgbNlIcLPzx1avOEXznOH1uKIYGBG8BnckWxo4k3gUomymPAA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:10:24.022769Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.07343","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ddc2d135cd01614e9b37a1fb38c1dd5cf5bd943f0acab94698835f1fc1408178","sha256:d6c70994acd004f919937202011da03c77b0ab8f0c70c98b88ac08f2c3e35d72"],"state_sha256":"082683f7a6cccc06f7eb3860d89d63f1a723e9ff8df1db55ff7f94009dea6305"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OnmxeYmRswDOYvXl7XFqb/7Eh+P+zb8p+Wi5C8XFpUY/fCoeb0t9jVHGwEE/L6al09BRQBEQxX5JGWM8QkqoCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T02:34:42.089774Z","bundle_sha256":"30a9b4c898a92314ec8a29c8dc6a001d26d4b19407783676f4afa9b575482a70"}}