{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:XEMHDWEGZMIRMRROBMVZMU7OUQ","short_pith_number":"pith:XEMHDWEG","canonical_record":{"source":{"id":"1507.00314","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-26T04:23:50Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"2684d6022aadc212c79c745103f3a381258f71554d882e1023f5e9fe1b88b120","abstract_canon_sha256":"35b5c4f78df2cc14cc0dee12ecceeb92740a2abac764776f73b552df5d72fd98"},"schema_version":"1.0"},"canonical_sha256":"b91871d886cb1116462e0b2b9653eea42ae85b52e45a64040158a1a1689d521f","source":{"kind":"arxiv","id":"1507.00314","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.00314","created_at":"2026-05-18T01:24:20Z"},{"alias_kind":"arxiv_version","alias_value":"1507.00314v2","created_at":"2026-05-18T01:24:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.00314","created_at":"2026-05-18T01:24:20Z"},{"alias_kind":"pith_short_12","alias_value":"XEMHDWEGZMIR","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"XEMHDWEGZMIRMRRO","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"XEMHDWEG","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:XEMHDWEGZMIRMRROBMVZMU7OUQ","target":"record","payload":{"canonical_record":{"source":{"id":"1507.00314","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-26T04:23:50Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"2684d6022aadc212c79c745103f3a381258f71554d882e1023f5e9fe1b88b120","abstract_canon_sha256":"35b5c4f78df2cc14cc0dee12ecceeb92740a2abac764776f73b552df5d72fd98"},"schema_version":"1.0"},"canonical_sha256":"b91871d886cb1116462e0b2b9653eea42ae85b52e45a64040158a1a1689d521f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:20.186832Z","signature_b64":"9xudfPcmbra0RcSHKQzbwBjreBWFHBhHeZIZtgM/Gj1oJXcoMgAnIF0OyHIA6aGMQF0Y5MgG3XV2FTNqzwTXBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b91871d886cb1116462e0b2b9653eea42ae85b52e45a64040158a1a1689d521f","last_reissued_at":"2026-05-18T01:24:20.186447Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:20.186447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.00314","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":"2026-05-18T01:24:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BrZeqiB9K8hAEJywZsmwvlhyaI+2gFtjM8eu9k3b0LBWJBZzvAnmjpDmmEOBisOs0daEWYeF0FRgcWmy0EkfBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T21:51:20.379778Z"},"content_sha256":"ed75fa28ea697a0f5c0c79a9898b04f3c1c7ad1c56c1db0d4c0abc526ac26951","schema_version":"1.0","event_id":"sha256:ed75fa28ea697a0f5c0c79a9898b04f3c1c7ad1c56c1db0d4c0abc526ac26951"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:XEMHDWEGZMIRMRROBMVZMU7OUQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-axisymmetric magnetic modes of neutron stars with purely poloidal magnetic fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Hidetaka Asai, Shijun Yoshida, Umin Lee","submitted_at":"2015-06-26T04:23:50Z","abstract_excerpt":"We calculate non-axisymmetric oscillations of neutron stars magnetized by purely poloidal magnetic fields. We use polytropes of index $n=1$ and 1.5 as a background model, where we ignore the equilibrium deformation due to the magnetic field. Since separation of variables is not possible for the oscillation of magnetized stars, we employ finite series expansions for the perturbations using spherical harmonic functions. Solving the oscillation equations as the boundary and eigenvalue problem, we find two kinds of discrete magnetic modes, that is, stable (oscillatory) magnetic modes and unstable "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.00314","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":""},"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":"2026-05-18T01:24:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gdVUDKtq9RPDM5N9AdvVLTUp7/en4l0HmxY8CrdhesrV77cCo3/rx0f371lWlGGbE2fHW/2Nv8Ex3hiIqv1cDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T21:51:20.380417Z"},"content_sha256":"83aad481cde9a44c8958d133b447ee16f63b48b4d3e26fae1a79dd2c48cdb3bd","schema_version":"1.0","event_id":"sha256:83aad481cde9a44c8958d133b447ee16f63b48b4d3e26fae1a79dd2c48cdb3bd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XEMHDWEGZMIRMRROBMVZMU7OUQ/bundle.json","state_url":"https://pith.science/pith/XEMHDWEGZMIRMRROBMVZMU7OUQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XEMHDWEGZMIRMRROBMVZMU7OUQ/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":"2026-05-23T21:51:20Z","links":{"resolver":"https://pith.science/pith/XEMHDWEGZMIRMRROBMVZMU7OUQ","bundle":"https://pith.science/pith/XEMHDWEGZMIRMRROBMVZMU7OUQ/bundle.json","state":"https://pith.science/pith/XEMHDWEGZMIRMRROBMVZMU7OUQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XEMHDWEGZMIRMRROBMVZMU7OUQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:XEMHDWEGZMIRMRROBMVZMU7OUQ","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":"35b5c4f78df2cc14cc0dee12ecceeb92740a2abac764776f73b552df5d72fd98","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-26T04:23:50Z","title_canon_sha256":"2684d6022aadc212c79c745103f3a381258f71554d882e1023f5e9fe1b88b120"},"schema_version":"1.0","source":{"id":"1507.00314","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.00314","created_at":"2026-05-18T01:24:20Z"},{"alias_kind":"arxiv_version","alias_value":"1507.00314v2","created_at":"2026-05-18T01:24:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.00314","created_at":"2026-05-18T01:24:20Z"},{"alias_kind":"pith_short_12","alias_value":"XEMHDWEGZMIR","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"XEMHDWEGZMIRMRRO","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"XEMHDWEG","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:83aad481cde9a44c8958d133b447ee16f63b48b4d3e26fae1a79dd2c48cdb3bd","target":"graph","created_at":"2026-05-18T01:24:20Z","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"},"paper":{"abstract_excerpt":"We calculate non-axisymmetric oscillations of neutron stars magnetized by purely poloidal magnetic fields. We use polytropes of index $n=1$ and 1.5 as a background model, where we ignore the equilibrium deformation due to the magnetic field. Since separation of variables is not possible for the oscillation of magnetized stars, we employ finite series expansions for the perturbations using spherical harmonic functions. Solving the oscillation equations as the boundary and eigenvalue problem, we find two kinds of discrete magnetic modes, that is, stable (oscillatory) magnetic modes and unstable ","authors_text":"Hidetaka Asai, Shijun Yoshida, Umin Lee","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-26T04:23:50Z","title":"Non-axisymmetric magnetic modes of neutron stars with purely poloidal magnetic fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.00314","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:ed75fa28ea697a0f5c0c79a9898b04f3c1c7ad1c56c1db0d4c0abc526ac26951","target":"record","created_at":"2026-05-18T01:24:20Z","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":"35b5c4f78df2cc14cc0dee12ecceeb92740a2abac764776f73b552df5d72fd98","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-26T04:23:50Z","title_canon_sha256":"2684d6022aadc212c79c745103f3a381258f71554d882e1023f5e9fe1b88b120"},"schema_version":"1.0","source":{"id":"1507.00314","kind":"arxiv","version":2}},"canonical_sha256":"b91871d886cb1116462e0b2b9653eea42ae85b52e45a64040158a1a1689d521f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b91871d886cb1116462e0b2b9653eea42ae85b52e45a64040158a1a1689d521f","first_computed_at":"2026-05-18T01:24:20.186447Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:20.186447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9xudfPcmbra0RcSHKQzbwBjreBWFHBhHeZIZtgM/Gj1oJXcoMgAnIF0OyHIA6aGMQF0Y5MgG3XV2FTNqzwTXBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:20.186832Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.00314","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed75fa28ea697a0f5c0c79a9898b04f3c1c7ad1c56c1db0d4c0abc526ac26951","sha256:83aad481cde9a44c8958d133b447ee16f63b48b4d3e26fae1a79dd2c48cdb3bd"],"state_sha256":"f36ac211096a2b6b47cbe1a28e8c7bcf3dfd7d70ff5b3a64f2e46b6049407634"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZwrPvfC+N8ns6YgkSUVZFAuEcWr2S2w5JCawwlr/fzDWzK44S5WjKtlj3jk7s6KjTPn8uy9TDsPakx0D0tXLAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T21:51:20.383854Z","bundle_sha256":"7e80c3e1b95670415dbfad7c938d8307ba35664ce04994b7ba5332e7590d6bb9"}}