{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:FSHUXYXEDNKRQZ2NPRTI4CWQJX","short_pith_number":"pith:FSHUXYXE","canonical_record":{"source":{"id":"2202.14024","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"gr-qc","submitted_at":"2022-02-28T18:46:53Z","cross_cats_sorted":[],"title_canon_sha256":"ccc016cac20a9bb8e77b8e8274fa2dd7c7c4a22a1b7393898a3f9f0c32baecf8","abstract_canon_sha256":"39e6a33ef7f34d1ca46282df2ab865727588ec8af10d21b54d75e94d907e7838"},"schema_version":"1.0"},"canonical_sha256":"2c8f4be2e41b5518674d7c668e0ad04ddee79d4ed8de3ca06ef66c32c9dda59b","source":{"kind":"arxiv","id":"2202.14024","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.14024","created_at":"2026-07-05T04:14:20Z"},{"alias_kind":"arxiv_version","alias_value":"2202.14024v1","created_at":"2026-07-05T04:14:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.14024","created_at":"2026-07-05T04:14:20Z"},{"alias_kind":"pith_short_12","alias_value":"FSHUXYXEDNKR","created_at":"2026-07-05T04:14:20Z"},{"alias_kind":"pith_short_16","alias_value":"FSHUXYXEDNKRQZ2N","created_at":"2026-07-05T04:14:20Z"},{"alias_kind":"pith_short_8","alias_value":"FSHUXYXE","created_at":"2026-07-05T04:14:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:FSHUXYXEDNKRQZ2NPRTI4CWQJX","target":"record","payload":{"canonical_record":{"source":{"id":"2202.14024","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"gr-qc","submitted_at":"2022-02-28T18:46:53Z","cross_cats_sorted":[],"title_canon_sha256":"ccc016cac20a9bb8e77b8e8274fa2dd7c7c4a22a1b7393898a3f9f0c32baecf8","abstract_canon_sha256":"39e6a33ef7f34d1ca46282df2ab865727588ec8af10d21b54d75e94d907e7838"},"schema_version":"1.0"},"canonical_sha256":"2c8f4be2e41b5518674d7c668e0ad04ddee79d4ed8de3ca06ef66c32c9dda59b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:14:20.441732Z","signature_b64":"Ooj4EI9s7GlRbQ+Ss1YbMeDXnpt8+iwoCjJ3w3FDJwUaA9uPtTk3aKHFMz0u7whKuRx0rlPwFbqPe0b9KukcDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c8f4be2e41b5518674d7c668e0ad04ddee79d4ed8de3ca06ef66c32c9dda59b","last_reissued_at":"2026-07-05T04:14:20.441245Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:14:20.441245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.14024","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:14:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V7zn7KWgM22mTnAKoZuCiMRdpA1ckAm+TEk3p3uSOT5t8gJi2F0+Uqw+Cea3cVnSImXf50SSi/5Aeproph4aBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T18:52:26.731734Z"},"content_sha256":"5182c748b93d9d9280957a92b146af5532c2b2e4ccdeaa13a5780e143f38386c","schema_version":"1.0","event_id":"sha256:5182c748b93d9d9280957a92b146af5532c2b2e4ccdeaa13a5780e143f38386c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:FSHUXYXEDNKRQZ2NPRTI4CWQJX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generalized Oppenheimer-Snyder Gravitational Collapse into Regular Black holes","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"A. Sadeghi, F. Shojai, R. Hassannejad","submitted_at":"2022-02-28T18:46:53Z","abstract_excerpt":"We shall study the formation of a particular class of regular black holes from the gravitational collapse of a massive star. The inside geometry is described by spatially flat Friedmann-Robertson-Walker metric and the stellar matter is distributed uniformly without any pre-assumption about its equation of state. Our model is a generalization of Oppenheimer-Snyder collapse for regular black holes. We have obtained the density and pressure of star by applying the condition of smooth joining of metrics at the freely falling surface of star. Specifying the regular black holes to Hayward and Bardee"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.14024","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/2202.14024/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":"2026-07-05T04:14:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"riOUasigGUaIgea0zEiXae2GWy0/v04HWBodxR91//Lb6sQwiqPM3zlLGKptMxYKY23vOo7+zqs/EmnY0752Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T18:52:26.733589Z"},"content_sha256":"73ec2077fb6fc5f8171f4c1c827b78bda69265cf38dc5a718b7a546b72cf5fb6","schema_version":"1.0","event_id":"sha256:73ec2077fb6fc5f8171f4c1c827b78bda69265cf38dc5a718b7a546b72cf5fb6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FSHUXYXEDNKRQZ2NPRTI4CWQJX/bundle.json","state_url":"https://pith.science/pith/FSHUXYXEDNKRQZ2NPRTI4CWQJX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FSHUXYXEDNKRQZ2NPRTI4CWQJX/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":"2026-08-05T18:52:26Z","links":{"resolver":"https://pith.science/pith/FSHUXYXEDNKRQZ2NPRTI4CWQJX","bundle":"https://pith.science/pith/FSHUXYXEDNKRQZ2NPRTI4CWQJX/bundle.json","state":"https://pith.science/pith/FSHUXYXEDNKRQZ2NPRTI4CWQJX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FSHUXYXEDNKRQZ2NPRTI4CWQJX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:FSHUXYXEDNKRQZ2NPRTI4CWQJX","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":"39e6a33ef7f34d1ca46282df2ab865727588ec8af10d21b54d75e94d907e7838","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"gr-qc","submitted_at":"2022-02-28T18:46:53Z","title_canon_sha256":"ccc016cac20a9bb8e77b8e8274fa2dd7c7c4a22a1b7393898a3f9f0c32baecf8"},"schema_version":"1.0","source":{"id":"2202.14024","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.14024","created_at":"2026-07-05T04:14:20Z"},{"alias_kind":"arxiv_version","alias_value":"2202.14024v1","created_at":"2026-07-05T04:14:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.14024","created_at":"2026-07-05T04:14:20Z"},{"alias_kind":"pith_short_12","alias_value":"FSHUXYXEDNKR","created_at":"2026-07-05T04:14:20Z"},{"alias_kind":"pith_short_16","alias_value":"FSHUXYXEDNKRQZ2N","created_at":"2026-07-05T04:14:20Z"},{"alias_kind":"pith_short_8","alias_value":"FSHUXYXE","created_at":"2026-07-05T04:14:20Z"}],"graph_snapshots":[{"event_id":"sha256:73ec2077fb6fc5f8171f4c1c827b78bda69265cf38dc5a718b7a546b72cf5fb6","target":"graph","created_at":"2026-07-05T04:14:20Z","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/2202.14024/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We shall study the formation of a particular class of regular black holes from the gravitational collapse of a massive star. The inside geometry is described by spatially flat Friedmann-Robertson-Walker metric and the stellar matter is distributed uniformly without any pre-assumption about its equation of state. Our model is a generalization of Oppenheimer-Snyder collapse for regular black holes. We have obtained the density and pressure of star by applying the condition of smooth joining of metrics at the freely falling surface of star. Specifying the regular black holes to Hayward and Bardee","authors_text":"A. Sadeghi, F. Shojai, R. Hassannejad","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"gr-qc","submitted_at":"2022-02-28T18:46:53Z","title":"Generalized Oppenheimer-Snyder Gravitational Collapse into Regular Black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.14024","kind":"arxiv","version":1},"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":"sha256:5182c748b93d9d9280957a92b146af5532c2b2e4ccdeaa13a5780e143f38386c","target":"record","created_at":"2026-07-05T04:14:20Z","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":"39e6a33ef7f34d1ca46282df2ab865727588ec8af10d21b54d75e94d907e7838","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"gr-qc","submitted_at":"2022-02-28T18:46:53Z","title_canon_sha256":"ccc016cac20a9bb8e77b8e8274fa2dd7c7c4a22a1b7393898a3f9f0c32baecf8"},"schema_version":"1.0","source":{"id":"2202.14024","kind":"arxiv","version":1}},"canonical_sha256":"2c8f4be2e41b5518674d7c668e0ad04ddee79d4ed8de3ca06ef66c32c9dda59b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2c8f4be2e41b5518674d7c668e0ad04ddee79d4ed8de3ca06ef66c32c9dda59b","first_computed_at":"2026-07-05T04:14:20.441245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:14:20.441245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ooj4EI9s7GlRbQ+Ss1YbMeDXnpt8+iwoCjJ3w3FDJwUaA9uPtTk3aKHFMz0u7whKuRx0rlPwFbqPe0b9KukcDw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:14:20.441732Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.14024","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5182c748b93d9d9280957a92b146af5532c2b2e4ccdeaa13a5780e143f38386c","sha256:73ec2077fb6fc5f8171f4c1c827b78bda69265cf38dc5a718b7a546b72cf5fb6"],"state_sha256":"9d8827fdc2238ef0178bf37d9996215eee85c559cf44daf464e294500e750132"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lNOVSyHbkajLb+vFbnZDV/T/MxY4rpO14rfa2pWfdD58EkyspRpG3bQDEDnTERUfU2DxqCPQmM/WXg5NO4KkAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T18:52:26.740752Z","bundle_sha256":"284dab997ef8b50fb798b5037fdd16217086d9269805329e7b03acbaa267ee97"}}