{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:CBPXGLMYK6R3ZRGLYWOKVR2WTY","short_pith_number":"pith:CBPXGLMY","canonical_record":{"source":{"id":"2301.12673","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-30T05:38:31Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"be937ed81ca3f66805dd74f337ddefcf4d752507edafeb36ada64c48e90aeb87","abstract_canon_sha256":"b86a736aa57acbdd9e08a5beec2221cb49504739d65723b458d3ebe5893e47c1"},"schema_version":"1.0"},"canonical_sha256":"105f732d9857a3bcc4cbc59caac7569e1179d2118ab4df77c5952ae39395a56f","source":{"kind":"arxiv","id":"2301.12673","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.12673","created_at":"2026-07-05T05:58:19Z"},{"alias_kind":"arxiv_version","alias_value":"2301.12673v2","created_at":"2026-07-05T05:58:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.12673","created_at":"2026-07-05T05:58:19Z"},{"alias_kind":"pith_short_12","alias_value":"CBPXGLMYK6R3","created_at":"2026-07-05T05:58:19Z"},{"alias_kind":"pith_short_16","alias_value":"CBPXGLMYK6R3ZRGL","created_at":"2026-07-05T05:58:19Z"},{"alias_kind":"pith_short_8","alias_value":"CBPXGLMY","created_at":"2026-07-05T05:58:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:CBPXGLMYK6R3ZRGLYWOKVR2WTY","target":"record","payload":{"canonical_record":{"source":{"id":"2301.12673","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-30T05:38:31Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"be937ed81ca3f66805dd74f337ddefcf4d752507edafeb36ada64c48e90aeb87","abstract_canon_sha256":"b86a736aa57acbdd9e08a5beec2221cb49504739d65723b458d3ebe5893e47c1"},"schema_version":"1.0"},"canonical_sha256":"105f732d9857a3bcc4cbc59caac7569e1179d2118ab4df77c5952ae39395a56f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:58:19.470629Z","signature_b64":"LfXsxKHVMt8mZdqZtttDagdXw3r7SNWWUlehbTAg2C8YcLPZxgj6nMxg7s3gbvx2ifEj+VkzMEVPsVEXxfh+Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"105f732d9857a3bcc4cbc59caac7569e1179d2118ab4df77c5952ae39395a56f","last_reissued_at":"2026-07-05T05:58:19.470215Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:58:19.470215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.12673","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:58:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bcw2kdzIloH/0EUSID1aMAz/mWnXc6EFo4OULKhSxfRFRsfmeEj5jgnke3jAXgAAbun5k714vZyDFa4H+Hm1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:25:29.532628Z"},"content_sha256":"2c8abc08664a9d161d0f5fc1615d4d86d6f1f1d71322e0c1c379ffdab758efb3","schema_version":"1.0","event_id":"sha256:2c8abc08664a9d161d0f5fc1615d4d86d6f1f1d71322e0c1c379ffdab758efb3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:CBPXGLMYK6R3ZRGLYWOKVR2WTY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraining the Surface Curvature of an Anisotropic Neutron Star","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"H. C. Das, Jeet Amrit Pattnaik, S. K. Patra","submitted_at":"2023-01-30T05:38:31Z","abstract_excerpt":"The anisotropy of pressure arises due to the various complex phenomena that happen inside the neutron star (NS). In this study, we calculate the degree of anisotropy inside the NS using the scalar pressure anisotropy model. Macroscopic properties such as mass, radius, compactness, redshift, tidal deformability, the moment of inertia, and surface curvature (SC) are computed for the anisotropic NS with the equation of states spanning from relativistic to nonrelativistic cases. The variation of SC as the functions of the above-mentioned quantities are computed by changing the degree of anisotropy"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.12673","kind":"arxiv","version":2},"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/2301.12673/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":"2026-07-05T05:58:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p60CQpcr7M4zq7EgsoPEuu75LtSPjqVfUq75zP85hrws1Ozpqh0zbdcYoF4w7iIRhZObdUg9YNJcoJBmeB6uDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:25:29.533641Z"},"content_sha256":"efee3a3fe0f1c8556d81a2d251d06f7f8476ff7fe71b0359b270851d2005ff9f","schema_version":"1.0","event_id":"sha256:efee3a3fe0f1c8556d81a2d251d06f7f8476ff7fe71b0359b270851d2005ff9f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CBPXGLMYK6R3ZRGLYWOKVR2WTY/bundle.json","state_url":"https://pith.science/pith/CBPXGLMYK6R3ZRGLYWOKVR2WTY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CBPXGLMYK6R3ZRGLYWOKVR2WTY/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":"2026-08-11T01:25:29Z","links":{"resolver":"https://pith.science/pith/CBPXGLMYK6R3ZRGLYWOKVR2WTY","bundle":"https://pith.science/pith/CBPXGLMYK6R3ZRGLYWOKVR2WTY/bundle.json","state":"https://pith.science/pith/CBPXGLMYK6R3ZRGLYWOKVR2WTY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CBPXGLMYK6R3ZRGLYWOKVR2WTY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:CBPXGLMYK6R3ZRGLYWOKVR2WTY","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":"b86a736aa57acbdd9e08a5beec2221cb49504739d65723b458d3ebe5893e47c1","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-30T05:38:31Z","title_canon_sha256":"be937ed81ca3f66805dd74f337ddefcf4d752507edafeb36ada64c48e90aeb87"},"schema_version":"1.0","source":{"id":"2301.12673","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.12673","created_at":"2026-07-05T05:58:19Z"},{"alias_kind":"arxiv_version","alias_value":"2301.12673v2","created_at":"2026-07-05T05:58:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.12673","created_at":"2026-07-05T05:58:19Z"},{"alias_kind":"pith_short_12","alias_value":"CBPXGLMYK6R3","created_at":"2026-07-05T05:58:19Z"},{"alias_kind":"pith_short_16","alias_value":"CBPXGLMYK6R3ZRGL","created_at":"2026-07-05T05:58:19Z"},{"alias_kind":"pith_short_8","alias_value":"CBPXGLMY","created_at":"2026-07-05T05:58:19Z"}],"graph_snapshots":[{"event_id":"sha256:efee3a3fe0f1c8556d81a2d251d06f7f8476ff7fe71b0359b270851d2005ff9f","target":"graph","created_at":"2026-07-05T05:58:19Z","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/2301.12673/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The anisotropy of pressure arises due to the various complex phenomena that happen inside the neutron star (NS). In this study, we calculate the degree of anisotropy inside the NS using the scalar pressure anisotropy model. Macroscopic properties such as mass, radius, compactness, redshift, tidal deformability, the moment of inertia, and surface curvature (SC) are computed for the anisotropic NS with the equation of states spanning from relativistic to nonrelativistic cases. The variation of SC as the functions of the above-mentioned quantities are computed by changing the degree of anisotropy","authors_text":"H. C. Das, Jeet Amrit Pattnaik, S. K. Patra","cross_cats":["nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-30T05:38:31Z","title":"Constraining the Surface Curvature of an Anisotropic Neutron Star"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.12673","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":"sha256:2c8abc08664a9d161d0f5fc1615d4d86d6f1f1d71322e0c1c379ffdab758efb3","target":"record","created_at":"2026-07-05T05:58:19Z","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":"b86a736aa57acbdd9e08a5beec2221cb49504739d65723b458d3ebe5893e47c1","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-01-30T05:38:31Z","title_canon_sha256":"be937ed81ca3f66805dd74f337ddefcf4d752507edafeb36ada64c48e90aeb87"},"schema_version":"1.0","source":{"id":"2301.12673","kind":"arxiv","version":2}},"canonical_sha256":"105f732d9857a3bcc4cbc59caac7569e1179d2118ab4df77c5952ae39395a56f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"105f732d9857a3bcc4cbc59caac7569e1179d2118ab4df77c5952ae39395a56f","first_computed_at":"2026-07-05T05:58:19.470215Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:58:19.470215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LfXsxKHVMt8mZdqZtttDagdXw3r7SNWWUlehbTAg2C8YcLPZxgj6nMxg7s3gbvx2ifEj+VkzMEVPsVEXxfh+Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T05:58:19.470629Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.12673","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c8abc08664a9d161d0f5fc1615d4d86d6f1f1d71322e0c1c379ffdab758efb3","sha256:efee3a3fe0f1c8556d81a2d251d06f7f8476ff7fe71b0359b270851d2005ff9f"],"state_sha256":"d7751e205302b16681caef335a6f486218b2f3cd57772366ec43055e4880444d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xyyS4/20V/6d0DA10yP5gBo2kOpBk/J8ysifyoPaeknUXBcX0btW0rkxqCEF/EfKByIBpCkmLIzgjSUUnvarAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T01:25:29.540410Z","bundle_sha256":"88a3eda65d53461a8ebe7ef30a89ddd1c312c86e6bf4c16528c146fb478b350c"}}