{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:5DDRGR35TMOHAADCQYXGHP576A","short_pith_number":"pith:5DDRGR35","canonical_record":{"source":{"id":"2303.06395","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-03-11T12:08:22Z","cross_cats_sorted":[],"title_canon_sha256":"93bdb9a1b6cde21653c44fd8b8a975af05af25d47a86f105c39c5cf6d3e6ebc2","abstract_canon_sha256":"c1ae98fd3c0863ecc42bc2c22a6418acca40d2d31cd2a1efa2bfce1b0f43cd78"},"schema_version":"1.0"},"canonical_sha256":"e8c713477d9b1c700062862e63bfbff011c0ccc66fde4d2463003b9125a6b509","source":{"kind":"arxiv","id":"2303.06395","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.06395","created_at":"2026-07-05T05:50:18Z"},{"alias_kind":"arxiv_version","alias_value":"2303.06395v1","created_at":"2026-07-05T05:50:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.06395","created_at":"2026-07-05T05:50:18Z"},{"alias_kind":"pith_short_12","alias_value":"5DDRGR35TMOH","created_at":"2026-07-05T05:50:18Z"},{"alias_kind":"pith_short_16","alias_value":"5DDRGR35TMOHAADC","created_at":"2026-07-05T05:50:18Z"},{"alias_kind":"pith_short_8","alias_value":"5DDRGR35","created_at":"2026-07-05T05:50:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:5DDRGR35TMOHAADCQYXGHP576A","target":"record","payload":{"canonical_record":{"source":{"id":"2303.06395","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-03-11T12:08:22Z","cross_cats_sorted":[],"title_canon_sha256":"93bdb9a1b6cde21653c44fd8b8a975af05af25d47a86f105c39c5cf6d3e6ebc2","abstract_canon_sha256":"c1ae98fd3c0863ecc42bc2c22a6418acca40d2d31cd2a1efa2bfce1b0f43cd78"},"schema_version":"1.0"},"canonical_sha256":"e8c713477d9b1c700062862e63bfbff011c0ccc66fde4d2463003b9125a6b509","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:50:18.259825Z","signature_b64":"N9dPEnk72y995+AWhzUXchsuQR6PGhbeP93rlRzYfPZo5K65M+AK/FR6F1dB+E1ZwDYpu8Y4gIAc3PeELCGqAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8c713477d9b1c700062862e63bfbff011c0ccc66fde4d2463003b9125a6b509","last_reissued_at":"2026-07-05T05:50:18.259436Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:50:18.259436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.06395","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":"2026-07-05T05:50:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gdPQUieg26C901W6Z/DWPGyox3hBXj9OA93Kaecfc/njebjK2gNy414gQNzX61ALyeKMixGOWwwy2OAcGmCvCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:59:12.342754Z"},"content_sha256":"4ba1a7a139c57237bd498f438be6a7b92fe6afe9f7426f6b5da2c872d3c14bef","schema_version":"1.0","event_id":"sha256:4ba1a7a139c57237bd498f438be6a7b92fe6afe9f7426f6b5da2c872d3c14bef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:5DDRGR35TMOHAADCQYXGHP576A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spherically symmetric gravitational collapse in the background of Chaplygin gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Anjali Pandey, Rajesh Kumar, Sudhir Kumar Srivastava","submitted_at":"2023-03-11T12:08:22Z","abstract_excerpt":"This paper considers the spherically symmetric gravitational collapse in the background of Chaplygin gas as dark energy component. The dark energy is assumed to be generalized and modified Chaplygin gas. The exterior of the star is considered to be Schwarzschild de-sitter/anti-de sitter metric and discusses the junction conditions. We have discussed the singularity formation in both forms of chaplygin gas case and it is obtained that such collapsing fluids favor the formation of black-hole."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.06395","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/2303.06395/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":"2026-07-05T05:50:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o9u0TdT2EkmoQyEU4SlEudQ9z14jW7b5I1g4eQkWCfyC2QPf7t8u2fMeGntu6oO3HA9OkHeeboRd3kbxjNoIDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:59:12.343642Z"},"content_sha256":"f38b353e5e671428dc32e72d71ccaa79397ca368706cae8589f9c4eb645fc0d3","schema_version":"1.0","event_id":"sha256:f38b353e5e671428dc32e72d71ccaa79397ca368706cae8589f9c4eb645fc0d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5DDRGR35TMOHAADCQYXGHP576A/bundle.json","state_url":"https://pith.science/pith/5DDRGR35TMOHAADCQYXGHP576A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5DDRGR35TMOHAADCQYXGHP576A/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":"2026-08-05T10:59:12Z","links":{"resolver":"https://pith.science/pith/5DDRGR35TMOHAADCQYXGHP576A","bundle":"https://pith.science/pith/5DDRGR35TMOHAADCQYXGHP576A/bundle.json","state":"https://pith.science/pith/5DDRGR35TMOHAADCQYXGHP576A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5DDRGR35TMOHAADCQYXGHP576A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:5DDRGR35TMOHAADCQYXGHP576A","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":"c1ae98fd3c0863ecc42bc2c22a6418acca40d2d31cd2a1efa2bfce1b0f43cd78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-03-11T12:08:22Z","title_canon_sha256":"93bdb9a1b6cde21653c44fd8b8a975af05af25d47a86f105c39c5cf6d3e6ebc2"},"schema_version":"1.0","source":{"id":"2303.06395","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.06395","created_at":"2026-07-05T05:50:18Z"},{"alias_kind":"arxiv_version","alias_value":"2303.06395v1","created_at":"2026-07-05T05:50:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.06395","created_at":"2026-07-05T05:50:18Z"},{"alias_kind":"pith_short_12","alias_value":"5DDRGR35TMOH","created_at":"2026-07-05T05:50:18Z"},{"alias_kind":"pith_short_16","alias_value":"5DDRGR35TMOHAADC","created_at":"2026-07-05T05:50:18Z"},{"alias_kind":"pith_short_8","alias_value":"5DDRGR35","created_at":"2026-07-05T05:50:18Z"}],"graph_snapshots":[{"event_id":"sha256:f38b353e5e671428dc32e72d71ccaa79397ca368706cae8589f9c4eb645fc0d3","target":"graph","created_at":"2026-07-05T05:50:18Z","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/2303.06395/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper considers the spherically symmetric gravitational collapse in the background of Chaplygin gas as dark energy component. The dark energy is assumed to be generalized and modified Chaplygin gas. The exterior of the star is considered to be Schwarzschild de-sitter/anti-de sitter metric and discusses the junction conditions. We have discussed the singularity formation in both forms of chaplygin gas case and it is obtained that such collapsing fluids favor the formation of black-hole.","authors_text":"Anjali Pandey, Rajesh Kumar, Sudhir Kumar Srivastava","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-03-11T12:08:22Z","title":"Spherically symmetric gravitational collapse in the background of Chaplygin gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.06395","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":"sha256:4ba1a7a139c57237bd498f438be6a7b92fe6afe9f7426f6b5da2c872d3c14bef","target":"record","created_at":"2026-07-05T05:50:18Z","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":"c1ae98fd3c0863ecc42bc2c22a6418acca40d2d31cd2a1efa2bfce1b0f43cd78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-03-11T12:08:22Z","title_canon_sha256":"93bdb9a1b6cde21653c44fd8b8a975af05af25d47a86f105c39c5cf6d3e6ebc2"},"schema_version":"1.0","source":{"id":"2303.06395","kind":"arxiv","version":1}},"canonical_sha256":"e8c713477d9b1c700062862e63bfbff011c0ccc66fde4d2463003b9125a6b509","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e8c713477d9b1c700062862e63bfbff011c0ccc66fde4d2463003b9125a6b509","first_computed_at":"2026-07-05T05:50:18.259436Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:50:18.259436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N9dPEnk72y995+AWhzUXchsuQR6PGhbeP93rlRzYfPZo5K65M+AK/FR6F1dB+E1ZwDYpu8Y4gIAc3PeELCGqAA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:50:18.259825Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.06395","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ba1a7a139c57237bd498f438be6a7b92fe6afe9f7426f6b5da2c872d3c14bef","sha256:f38b353e5e671428dc32e72d71ccaa79397ca368706cae8589f9c4eb645fc0d3"],"state_sha256":"c6d0eea7d21b25c3d41ffc0d8c46817507ee9d39256cc6ac508716b4927df8e8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MS/6205C+a5aDy5nPfL9fm0eEmRd6eXM6K3oRfis7E4fhwWq0t88jABlZOjdllnb35FNU7GZ6CT5xE0e/ngDBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T10:59:12.349124Z","bundle_sha256":"6cb255f43b1ea19cfaed7cd8bacdb98446a5b1b77c7ca2cb3806d61dd67934d2"}}