{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1998:U3QFAXICQLEOKIPDV6MKERBDDN","short_pith_number":"pith:U3QFAXIC","schema_version":"1.0","canonical_sha256":"a6e0505d0282c8e521e3af98a244231b603f2d980364cc2d6bfc2ff81b4f1915","source":{"kind":"arxiv","id":"astro-ph/9807162","version":1},"attestation_state":"computed","paper":{"title":"A New $\\Sigma-D$ Relation and Its Application to the Galactic Supernova Remnant Distribution","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Dipen Bhattacharya (U. C. Riverside), Gary L. Case","submitted_at":"1998-07-15T19:17:51Z","abstract_excerpt":"Technological advances in radio telescopes and X-ray instruments over the last 20 years have greatly increased the number of known supernova remnants (SNRs) and led to a better determination of their properties. In particular, more SNRs now have reasonably determined distances. However, many of these distances were determined kinematically using old rotation curves (based on $R_{\\sun} = 10$ kpc and $V_{\\sun} = 250$ km/s). A more modern rotation curve (based on $R_{\\sun} = 8.5$ kpc and $V_{\\sun} = 220$ km/s) is used to verify or recalculate the distances to these remnants. We use a sample of 36"},"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":"astro-ph/9807162","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-07-15T19:17:51Z","cross_cats_sorted":[],"title_canon_sha256":"87336daba4edfeebfe5c33a8b85ea0317d18301d01b3d7a18827b14a3fea09e0","abstract_canon_sha256":"b6810211fdefadfac4a5c082e74519af072b375e7e6c61f1a4963de95903eda7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:23:33.474966Z","signature_b64":"gbDIibGa/KoITKGtfKhPZbEH/WQYcMPhR2ha9RSAJgBgkPHzxF7Yold2zfc6vjGFPITVtp+V9mij0qjPokhJAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6e0505d0282c8e521e3af98a244231b603f2d980364cc2d6bfc2ff81b4f1915","last_reissued_at":"2026-05-18T04:23:33.474383Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:23:33.474383Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A New $\\Sigma-D$ Relation and Its Application to the Galactic Supernova Remnant Distribution","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Dipen Bhattacharya (U. C. Riverside), Gary L. Case","submitted_at":"1998-07-15T19:17:51Z","abstract_excerpt":"Technological advances in radio telescopes and X-ray instruments over the last 20 years have greatly increased the number of known supernova remnants (SNRs) and led to a better determination of their properties. In particular, more SNRs now have reasonably determined distances. However, many of these distances were determined kinematically using old rotation curves (based on $R_{\\sun} = 10$ kpc and $V_{\\sun} = 250$ km/s). A more modern rotation curve (based on $R_{\\sun} = 8.5$ kpc and $V_{\\sun} = 220$ km/s) is used to verify or recalculate the distances to these remnants. We use a sample of 36"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9807162","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":"astro-ph/9807162","created_at":"2026-05-18T04:23:33.474473+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9807162v1","created_at":"2026-05-18T04:23:33.474473+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9807162","created_at":"2026-05-18T04:23:33.474473+00:00"},{"alias_kind":"pith_short_12","alias_value":"U3QFAXICQLEO","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_16","alias_value":"U3QFAXICQLEOKIPD","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_8","alias_value":"U3QFAXIC","created_at":"2026-05-18T12:25:49.038998+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2511.05409","citing_title":"Charge-dependent spectral softenings of primary cosmic-rays below the knee","ref_index":68,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/U3QFAXICQLEOKIPDV6MKERBDDN","json":"https://pith.science/pith/U3QFAXICQLEOKIPDV6MKERBDDN.json","graph_json":"https://pith.science/api/pith-number/U3QFAXICQLEOKIPDV6MKERBDDN/graph.json","events_json":"https://pith.science/api/pith-number/U3QFAXICQLEOKIPDV6MKERBDDN/events.json","paper":"https://pith.science/paper/U3QFAXIC"},"agent_actions":{"view_html":"https://pith.science/pith/U3QFAXICQLEOKIPDV6MKERBDDN","download_json":"https://pith.science/pith/U3QFAXICQLEOKIPDV6MKERBDDN.json","view_paper":"https://pith.science/paper/U3QFAXIC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9807162&json=true","fetch_graph":"https://pith.science/api/pith-number/U3QFAXICQLEOKIPDV6MKERBDDN/graph.json","fetch_events":"https://pith.science/api/pith-number/U3QFAXICQLEOKIPDV6MKERBDDN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U3QFAXICQLEOKIPDV6MKERBDDN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U3QFAXICQLEOKIPDV6MKERBDDN/action/storage_attestation","attest_author":"https://pith.science/pith/U3QFAXICQLEOKIPDV6MKERBDDN/action/author_attestation","sign_citation":"https://pith.science/pith/U3QFAXICQLEOKIPDV6MKERBDDN/action/citation_signature","submit_replication":"https://pith.science/pith/U3QFAXICQLEOKIPDV6MKERBDDN/action/replication_record"}},"created_at":"2026-05-18T04:23:33.474473+00:00","updated_at":"2026-05-18T04:23:33.474473+00:00"}