{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:GDHCZHB3A6O2IM3TVY7EV2A6UN","short_pith_number":"pith:GDHCZHB3","canonical_record":{"source":{"id":"1210.0712","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2012-10-02T09:32:53Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"ad2f657d49421fc71164eb8eb69bbade130b12f359d9383f106c7a120340dc94","abstract_canon_sha256":"bf7c8a1a117be417d7c6aa9169104155a6ebe0dd3d715f4267770fce0dfb9a00"},"schema_version":"1.0"},"canonical_sha256":"30ce2c9c3b079da43373ae3e4ae81ea36454af84bd96968ee334c18f95730159","source":{"kind":"arxiv","id":"1210.0712","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0712","created_at":"2026-05-18T03:43:17Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0712v1","created_at":"2026-05-18T03:43:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0712","created_at":"2026-05-18T03:43:17Z"},{"alias_kind":"pith_short_12","alias_value":"GDHCZHB3A6O2","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GDHCZHB3A6O2IM3T","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GDHCZHB3","created_at":"2026-05-18T12:27:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:GDHCZHB3A6O2IM3TVY7EV2A6UN","target":"record","payload":{"canonical_record":{"source":{"id":"1210.0712","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2012-10-02T09:32:53Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"ad2f657d49421fc71164eb8eb69bbade130b12f359d9383f106c7a120340dc94","abstract_canon_sha256":"bf7c8a1a117be417d7c6aa9169104155a6ebe0dd3d715f4267770fce0dfb9a00"},"schema_version":"1.0"},"canonical_sha256":"30ce2c9c3b079da43373ae3e4ae81ea36454af84bd96968ee334c18f95730159","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:43:17.709076Z","signature_b64":"0YZscvoFELoR0MVJZFkmA7IW3UxzgpEgRqt7ObMSFkb4kgxarrOl8JnwQqhbJaDfYLGwwKFiRS9xIB6ysKPzBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30ce2c9c3b079da43373ae3e4ae81ea36454af84bd96968ee334c18f95730159","last_reissued_at":"2026-05-18T03:43:17.708386Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:43:17.708386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.0712","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":"2026-05-18T03:43:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gW6rFjll/SEQ3XbDlbJwt2Uk43TdJDsFKNLqqfiAjO2YiYdR67a+Zvf+7R8BHRTT47OxfSWXhH7cscVaNZOwAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T19:54:39.947723Z"},"content_sha256":"425c68250d9de7adde0d1652974f0884783a7662fce38814c9099d15452de956","schema_version":"1.0","event_id":"sha256:425c68250d9de7adde0d1652974f0884783a7662fce38814c9099d15452de956"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:GDHCZHB3A6O2IM3TVY7EV2A6UN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A family of well behaved charge analogues of Durgapal's perfect fluid exact solution in general relativity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"physics.gen-ph","authors_text":"Mohammad Hassan Murad, Saba Fatema","submitted_at":"2012-10-02T09:32:53Z","abstract_excerpt":"This paper presents a new family of interior solutions of Einstein-Maxwell field equations in general relativity for a static spherically symmetric distribution of a charged perfect fluid with a particular form of charge distribution. This solution gives us wide range of parameter, K, for which the solution is well behaved hence, suitable for modeling of superdense star. For this solution the gravitational mass of a star is maximized with all degree of suitability by assuming the surface density equal to normal nuclear density, 2.5E17 kg/m3. By this model we obtain the mass of the Crab pulsar,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0712","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:43:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sPRUszBEpsaTJkFa2fR//Be4yKX3NRTQtfM0XPkBxLl7CFWK0LbLhhrQwyiQi42XajXPjXxdQy9iIRelSkAiCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T19:54:39.948094Z"},"content_sha256":"732ef70bd94586d28644342e030182363928057924133fb9951a575cc625c5ff","schema_version":"1.0","event_id":"sha256:732ef70bd94586d28644342e030182363928057924133fb9951a575cc625c5ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GDHCZHB3A6O2IM3TVY7EV2A6UN/bundle.json","state_url":"https://pith.science/pith/GDHCZHB3A6O2IM3TVY7EV2A6UN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GDHCZHB3A6O2IM3TVY7EV2A6UN/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":"2026-06-25T19:54:39Z","links":{"resolver":"https://pith.science/pith/GDHCZHB3A6O2IM3TVY7EV2A6UN","bundle":"https://pith.science/pith/GDHCZHB3A6O2IM3TVY7EV2A6UN/bundle.json","state":"https://pith.science/pith/GDHCZHB3A6O2IM3TVY7EV2A6UN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GDHCZHB3A6O2IM3TVY7EV2A6UN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:GDHCZHB3A6O2IM3TVY7EV2A6UN","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":"bf7c8a1a117be417d7c6aa9169104155a6ebe0dd3d715f4267770fce0dfb9a00","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2012-10-02T09:32:53Z","title_canon_sha256":"ad2f657d49421fc71164eb8eb69bbade130b12f359d9383f106c7a120340dc94"},"schema_version":"1.0","source":{"id":"1210.0712","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0712","created_at":"2026-05-18T03:43:17Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0712v1","created_at":"2026-05-18T03:43:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0712","created_at":"2026-05-18T03:43:17Z"},{"alias_kind":"pith_short_12","alias_value":"GDHCZHB3A6O2","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GDHCZHB3A6O2IM3T","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GDHCZHB3","created_at":"2026-05-18T12:27:06Z"}],"graph_snapshots":[{"event_id":"sha256:732ef70bd94586d28644342e030182363928057924133fb9951a575cc625c5ff","target":"graph","created_at":"2026-05-18T03:43:17Z","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":"This paper presents a new family of interior solutions of Einstein-Maxwell field equations in general relativity for a static spherically symmetric distribution of a charged perfect fluid with a particular form of charge distribution. This solution gives us wide range of parameter, K, for which the solution is well behaved hence, suitable for modeling of superdense star. For this solution the gravitational mass of a star is maximized with all degree of suitability by assuming the surface density equal to normal nuclear density, 2.5E17 kg/m3. By this model we obtain the mass of the Crab pulsar,","authors_text":"Mohammad Hassan Murad, Saba Fatema","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2012-10-02T09:32:53Z","title":"A family of well behaved charge analogues of Durgapal's perfect fluid exact solution in general relativity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0712","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":"sha256:425c68250d9de7adde0d1652974f0884783a7662fce38814c9099d15452de956","target":"record","created_at":"2026-05-18T03:43:17Z","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":"bf7c8a1a117be417d7c6aa9169104155a6ebe0dd3d715f4267770fce0dfb9a00","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2012-10-02T09:32:53Z","title_canon_sha256":"ad2f657d49421fc71164eb8eb69bbade130b12f359d9383f106c7a120340dc94"},"schema_version":"1.0","source":{"id":"1210.0712","kind":"arxiv","version":1}},"canonical_sha256":"30ce2c9c3b079da43373ae3e4ae81ea36454af84bd96968ee334c18f95730159","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30ce2c9c3b079da43373ae3e4ae81ea36454af84bd96968ee334c18f95730159","first_computed_at":"2026-05-18T03:43:17.708386Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:43:17.708386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0YZscvoFELoR0MVJZFkmA7IW3UxzgpEgRqt7ObMSFkb4kgxarrOl8JnwQqhbJaDfYLGwwKFiRS9xIB6ysKPzBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:43:17.709076Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.0712","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:425c68250d9de7adde0d1652974f0884783a7662fce38814c9099d15452de956","sha256:732ef70bd94586d28644342e030182363928057924133fb9951a575cc625c5ff"],"state_sha256":"472d540f4230ac371f3c9af8bc210c84c39177cb48f106b2064b05efd4e0d897"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xwq7WMw5rOd04EyFf3rFLMPV1C6XiipD+dql8UT36jlIkXDUu7LdHLUqed6Xnh5vCMZIMa+vPqeFkhKcjAHCDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T19:54:39.950071Z","bundle_sha256":"e0ef3679ed2930c6490b253267710ec00869175ff616c8e74856c21609c178ea"}}