{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:5AIQCN66CNF6N23Z3TQZMZRHTK","short_pith_number":"pith:5AIQCN66","schema_version":"1.0","canonical_sha256":"e8110137de134be6eb79dce19666279aa73a1b420ae8bf3d19dc3d7f6900570e","source":{"kind":"arxiv","id":"1310.7186","version":1},"attestation_state":"computed","paper":{"title":"Orientation Parameters of the Cepheid System in the Galaxy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Vadim Bobylev","submitted_at":"2013-10-27T12:02:16Z","abstract_excerpt":"Based on the distribution of long-period Cepheids, we have redetermined the orientation parameters of their principal plane in the Galaxy. Based on 299 Cepheids with heliocentric distances $r<20$ kpc and pulsation periods $P\\geq5^d$, we have found the directions of the three principal axes of the position ellipsoid:\n  $L_1=281.0\\pm0.1^\\circ,$ $B_1=-1.9\\pm0.1^\\circ,$\n  $L_2= 11.0\\pm0.7^\\circ,$ $B_2=0.2\\pm0.1^\\circ$ and\n  $L_3=275.9\\pm0.7^\\circ,$ $B_3=88.1\\pm0.1^\\circ$. Thus, the line of nodes $l_\\Omega=L_3+90^\\circ=5.9^\\circ$ is very close to the direction to the Galactic center; the Cepheid sy"},"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":"1310.7186","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-10-27T12:02:16Z","cross_cats_sorted":[],"title_canon_sha256":"71496e0eac6a47c20271b7a2d50eddbfc93afda0514363779ddfeaed25076081","abstract_canon_sha256":"8cf5bb1016142b03dcbde31789c18814374e764316d2e63dcd76a8758b20dde5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:08:46.008884Z","signature_b64":"BDuJgphkYfBT8BeIlGTJf7gJ0OvcYxBfG6mViWdRvgGyLz4t8y2xFHkKpM0XXFBzmB2NxIjnfibA7seeMlFVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8110137de134be6eb79dce19666279aa73a1b420ae8bf3d19dc3d7f6900570e","last_reissued_at":"2026-05-18T03:08:46.008263Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:08:46.008263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Orientation Parameters of the Cepheid System in the Galaxy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Vadim Bobylev","submitted_at":"2013-10-27T12:02:16Z","abstract_excerpt":"Based on the distribution of long-period Cepheids, we have redetermined the orientation parameters of their principal plane in the Galaxy. Based on 299 Cepheids with heliocentric distances $r<20$ kpc and pulsation periods $P\\geq5^d$, we have found the directions of the three principal axes of the position ellipsoid:\n  $L_1=281.0\\pm0.1^\\circ,$ $B_1=-1.9\\pm0.1^\\circ,$\n  $L_2= 11.0\\pm0.7^\\circ,$ $B_2=0.2\\pm0.1^\\circ$ and\n  $L_3=275.9\\pm0.7^\\circ,$ $B_3=88.1\\pm0.1^\\circ$. Thus, the line of nodes $l_\\Omega=L_3+90^\\circ=5.9^\\circ$ is very close to the direction to the Galactic center; the Cepheid sy"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7186","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":"1310.7186","created_at":"2026-05-18T03:08:46.008373+00:00"},{"alias_kind":"arxiv_version","alias_value":"1310.7186v1","created_at":"2026-05-18T03:08:46.008373+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7186","created_at":"2026-05-18T03:08:46.008373+00:00"},{"alias_kind":"pith_short_12","alias_value":"5AIQCN66CNF6","created_at":"2026-05-18T12:27:34.582898+00:00"},{"alias_kind":"pith_short_16","alias_value":"5AIQCN66CNF6N23Z","created_at":"2026-05-18T12:27:34.582898+00:00"},{"alias_kind":"pith_short_8","alias_value":"5AIQCN66","created_at":"2026-05-18T12:27:34.582898+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/5AIQCN66CNF6N23Z3TQZMZRHTK","json":"https://pith.science/pith/5AIQCN66CNF6N23Z3TQZMZRHTK.json","graph_json":"https://pith.science/api/pith-number/5AIQCN66CNF6N23Z3TQZMZRHTK/graph.json","events_json":"https://pith.science/api/pith-number/5AIQCN66CNF6N23Z3TQZMZRHTK/events.json","paper":"https://pith.science/paper/5AIQCN66"},"agent_actions":{"view_html":"https://pith.science/pith/5AIQCN66CNF6N23Z3TQZMZRHTK","download_json":"https://pith.science/pith/5AIQCN66CNF6N23Z3TQZMZRHTK.json","view_paper":"https://pith.science/paper/5AIQCN66","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1310.7186&json=true","fetch_graph":"https://pith.science/api/pith-number/5AIQCN66CNF6N23Z3TQZMZRHTK/graph.json","fetch_events":"https://pith.science/api/pith-number/5AIQCN66CNF6N23Z3TQZMZRHTK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5AIQCN66CNF6N23Z3TQZMZRHTK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5AIQCN66CNF6N23Z3TQZMZRHTK/action/storage_attestation","attest_author":"https://pith.science/pith/5AIQCN66CNF6N23Z3TQZMZRHTK/action/author_attestation","sign_citation":"https://pith.science/pith/5AIQCN66CNF6N23Z3TQZMZRHTK/action/citation_signature","submit_replication":"https://pith.science/pith/5AIQCN66CNF6N23Z3TQZMZRHTK/action/replication_record"}},"created_at":"2026-05-18T03:08:46.008373+00:00","updated_at":"2026-05-18T03:08:46.008373+00:00"}