{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:77A2US663VLR5E6WLW2QPOML53","short_pith_number":"pith:77A2US66","schema_version":"1.0","canonical_sha256":"ffc1aa4bdedd571e93d65db507b98beee81d8a8828b901cd37461bf6dd0bbfb2","source":{"kind":"arxiv","id":"1604.04635","version":1},"attestation_state":"computed","paper":{"title":"EG Andromedae: A New Orbit and Additional Evidence for a Photoionized Wind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Michael R. Garcia, Scott J. Kenyon","submitted_at":"2016-04-15T20:34:23Z","abstract_excerpt":"We analyze a roughly 20 yr set of spectroscopic observations for the symbiotic binary EG And. Radial velocities derived from echelle spectra are best-fit with a circular orbit having orbital period P = 483.3 +- 1.6 days and semi-amplitude K = 7.34 +- 0.07 km/sec. Combined with previous data, these observations rule out an elliptical orbit at the 10-sigma level. Equivalent widths of H~I Balmer emission lines and various absorption features vary in phase with the orbital period. Relative to the radius of the red giant primary, the apparent size of the H II region is consistent with a model where"},"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":"1604.04635","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-04-15T20:34:23Z","cross_cats_sorted":[],"title_canon_sha256":"10c6f55e6239cf96c8e3cdff3607fb9418414afe97281860f6329f26673bdbc2","abstract_canon_sha256":"f0cfaf5f42d6f0e37ac1e943182a31ef4ba2ddca59c247e25509eb9990b1ccfb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:29.484284Z","signature_b64":"tio7EDYHk9YWGey38mMS47FpdEOML6hwJXJPpkPxvsRtTZrrxcehWyyG1Vl+9IFLxet2aIN4bijfxL6jirDYDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ffc1aa4bdedd571e93d65db507b98beee81d8a8828b901cd37461bf6dd0bbfb2","last_reissued_at":"2026-05-18T01:12:29.483956Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:29.483956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"EG Andromedae: A New Orbit and Additional Evidence for a Photoionized Wind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Michael R. Garcia, Scott J. Kenyon","submitted_at":"2016-04-15T20:34:23Z","abstract_excerpt":"We analyze a roughly 20 yr set of spectroscopic observations for the symbiotic binary EG And. Radial velocities derived from echelle spectra are best-fit with a circular orbit having orbital period P = 483.3 +- 1.6 days and semi-amplitude K = 7.34 +- 0.07 km/sec. Combined with previous data, these observations rule out an elliptical orbit at the 10-sigma level. Equivalent widths of H~I Balmer emission lines and various absorption features vary in phase with the orbital period. Relative to the radius of the red giant primary, the apparent size of the H II region is consistent with a model where"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.04635","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":"1604.04635","created_at":"2026-05-18T01:12:29.484009+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.04635v1","created_at":"2026-05-18T01:12:29.484009+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.04635","created_at":"2026-05-18T01:12:29.484009+00:00"},{"alias_kind":"pith_short_12","alias_value":"77A2US663VLR","created_at":"2026-05-18T12:30:04.600751+00:00"},{"alias_kind":"pith_short_16","alias_value":"77A2US663VLR5E6W","created_at":"2026-05-18T12:30:04.600751+00:00"},{"alias_kind":"pith_short_8","alias_value":"77A2US66","created_at":"2026-05-18T12:30:04.600751+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/77A2US663VLR5E6WLW2QPOML53","json":"https://pith.science/pith/77A2US663VLR5E6WLW2QPOML53.json","graph_json":"https://pith.science/api/pith-number/77A2US663VLR5E6WLW2QPOML53/graph.json","events_json":"https://pith.science/api/pith-number/77A2US663VLR5E6WLW2QPOML53/events.json","paper":"https://pith.science/paper/77A2US66"},"agent_actions":{"view_html":"https://pith.science/pith/77A2US663VLR5E6WLW2QPOML53","download_json":"https://pith.science/pith/77A2US663VLR5E6WLW2QPOML53.json","view_paper":"https://pith.science/paper/77A2US66","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.04635&json=true","fetch_graph":"https://pith.science/api/pith-number/77A2US663VLR5E6WLW2QPOML53/graph.json","fetch_events":"https://pith.science/api/pith-number/77A2US663VLR5E6WLW2QPOML53/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/77A2US663VLR5E6WLW2QPOML53/action/timestamp_anchor","attest_storage":"https://pith.science/pith/77A2US663VLR5E6WLW2QPOML53/action/storage_attestation","attest_author":"https://pith.science/pith/77A2US663VLR5E6WLW2QPOML53/action/author_attestation","sign_citation":"https://pith.science/pith/77A2US663VLR5E6WLW2QPOML53/action/citation_signature","submit_replication":"https://pith.science/pith/77A2US663VLR5E6WLW2QPOML53/action/replication_record"}},"created_at":"2026-05-18T01:12:29.484009+00:00","updated_at":"2026-05-18T01:12:29.484009+00:00"}