{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:KCIZYJA43QAROD5GDTVCH5YKFX","short_pith_number":"pith:KCIZYJA4","schema_version":"1.0","canonical_sha256":"50919c241cdc01170fa61cea23f70a2dcf95171a9be9be7d8d2602d7ab548a73","source":{"kind":"arxiv","id":"0909.1173","version":1},"attestation_state":"computed","paper":{"title":"On the Crustal Matter of Magnetars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"astro-ph.SR","authors_text":"Nandini Nag, Somenath Chakrabarty","submitted_at":"2009-09-07T08:58:59Z","abstract_excerpt":"We have investigated some of the properties of dense sub-nuclear matter at the crustal region (both the outer crust and the inner crust region) of a magnetar. The relativistic version of Thomas-Fermi (TF) model is used in presence of strong quantizing magnetic field for the outer crust matter. The compressed matter in the outer crust, which is a crystal of metallic iron, is replaced by a regular array of spherically symmetric Wigner-Seitz (WS) cells. In the inner crust region, a mixture of iron and heavier neutron rich nuclei along with electrons and free neutrons has been considered. Conventi"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0909.1173","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-09-07T08:58:59Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"592139481e5e4f1f8d993a61c5d9688de1b32e8f774c6427d5f9aa1cc46a8121","abstract_canon_sha256":"37b7ce65c3a713d981ac9ce130a7abe9bf1cbdf7132d58f0b3f9effd99b57146"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:30.928249Z","signature_b64":"yTOuTbKjss5iwbSGvLFoPEgaqsbedmPCBuQeG4NvMq2Iakb0a3aM+7peq8yD0vQCpz8yp4aaUIShzEWnLtjsCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50919c241cdc01170fa61cea23f70a2dcf95171a9be9be7d8d2602d7ab548a73","last_reissued_at":"2026-05-18T02:34:30.927844Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:30.927844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Crustal Matter of Magnetars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"astro-ph.SR","authors_text":"Nandini Nag, Somenath Chakrabarty","submitted_at":"2009-09-07T08:58:59Z","abstract_excerpt":"We have investigated some of the properties of dense sub-nuclear matter at the crustal region (both the outer crust and the inner crust region) of a magnetar. The relativistic version of Thomas-Fermi (TF) model is used in presence of strong quantizing magnetic field for the outer crust matter. The compressed matter in the outer crust, which is a crystal of metallic iron, is replaced by a regular array of spherically symmetric Wigner-Seitz (WS) cells. In the inner crust region, a mixture of iron and heavier neutron rich nuclei along with electrons and free neutrons has been considered. Conventi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.1173","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0909.1173","created_at":"2026-05-18T02:34:30.927894+00:00"},{"alias_kind":"arxiv_version","alias_value":"0909.1173v1","created_at":"2026-05-18T02:34:30.927894+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.1173","created_at":"2026-05-18T02:34:30.927894+00:00"},{"alias_kind":"pith_short_12","alias_value":"KCIZYJA43QAR","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"KCIZYJA43QAROD5G","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"KCIZYJA4","created_at":"2026-05-18T12:26:00.592388+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KCIZYJA43QAROD5GDTVCH5YKFX","json":"https://pith.science/pith/KCIZYJA43QAROD5GDTVCH5YKFX.json","graph_json":"https://pith.science/api/pith-number/KCIZYJA43QAROD5GDTVCH5YKFX/graph.json","events_json":"https://pith.science/api/pith-number/KCIZYJA43QAROD5GDTVCH5YKFX/events.json","paper":"https://pith.science/paper/KCIZYJA4"},"agent_actions":{"view_html":"https://pith.science/pith/KCIZYJA43QAROD5GDTVCH5YKFX","download_json":"https://pith.science/pith/KCIZYJA43QAROD5GDTVCH5YKFX.json","view_paper":"https://pith.science/paper/KCIZYJA4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0909.1173&json=true","fetch_graph":"https://pith.science/api/pith-number/KCIZYJA43QAROD5GDTVCH5YKFX/graph.json","fetch_events":"https://pith.science/api/pith-number/KCIZYJA43QAROD5GDTVCH5YKFX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KCIZYJA43QAROD5GDTVCH5YKFX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KCIZYJA43QAROD5GDTVCH5YKFX/action/storage_attestation","attest_author":"https://pith.science/pith/KCIZYJA43QAROD5GDTVCH5YKFX/action/author_attestation","sign_citation":"https://pith.science/pith/KCIZYJA43QAROD5GDTVCH5YKFX/action/citation_signature","submit_replication":"https://pith.science/pith/KCIZYJA43QAROD5GDTVCH5YKFX/action/replication_record"}},"created_at":"2026-05-18T02:34:30.927894+00:00","updated_at":"2026-05-18T02:34:30.927894+00:00"}