{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:66MSAIBCM3HWGHWUXGWFWH4AZ3","short_pith_number":"pith:66MSAIBC","schema_version":"1.0","canonical_sha256":"f79920202266cf631ed4b9ac5b1f80ceee9faa0ce7c9d0fdb1b725554f729c42","source":{"kind":"arxiv","id":"1801.03900","version":1},"attestation_state":"computed","paper":{"title":"The Orbit of the Companion to HD 100453A: Binary-Driven Spiral Arms in a Protoplanetary Disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Daniel Apai, Jared Males, Jeffrey Fung, Katie M. Morzinski, Kevin Wagner, Laird Close, Markus Kasper, Melissa McClure, Patrick Sheehan, Phil Hinz, Ruobing Dong, Sascha P. Quanz","submitted_at":"2018-01-11T17:53:42Z","abstract_excerpt":"HD 100453AB is a 10+/-2 Myr old binary whose protoplanetary disk was recently revealed to host a global two-armed spiral structure. Given the relatively small projected separation of the binary (1.05\", or ~108 au), gravitational perturbations by the binary seemed to be a likely driving force behind the formation of the spiral arms. However, the orbit of these stars remained poorly understood, which prevented a proper treatment of the dynamical influence of the companion on the disk. We observed HD 100453AB between 2015-2017 utilizing extreme adaptive optics systems on the Very Large Telescope "},"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":"1801.03900","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-01-11T17:53:42Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"99b26455ad1e7a7ffbfdaa4ef668bacb3002ccc8cc7c2cc28ca402626944da7e","abstract_canon_sha256":"c2f11f09da2c72d75388b796c713b9f581130ade7486b822dc604aec242cd6b6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:23.255796Z","signature_b64":"XcgL0njC1vfsnRtJufvXT/vB/giOCbPccOhCyNTpBV4nsIxy6Ep0nZdgbAGNYImjMnmQNZJ6RyiZd9LTEdhbBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f79920202266cf631ed4b9ac5b1f80ceee9faa0ce7c9d0fdb1b725554f729c42","last_reissued_at":"2026-05-18T00:22:23.255230Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:23.255230Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Orbit of the Companion to HD 100453A: Binary-Driven Spiral Arms in a Protoplanetary Disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Daniel Apai, Jared Males, Jeffrey Fung, Katie M. Morzinski, Kevin Wagner, Laird Close, Markus Kasper, Melissa McClure, Patrick Sheehan, Phil Hinz, Ruobing Dong, Sascha P. Quanz","submitted_at":"2018-01-11T17:53:42Z","abstract_excerpt":"HD 100453AB is a 10+/-2 Myr old binary whose protoplanetary disk was recently revealed to host a global two-armed spiral structure. Given the relatively small projected separation of the binary (1.05\", or ~108 au), gravitational perturbations by the binary seemed to be a likely driving force behind the formation of the spiral arms. However, the orbit of these stars remained poorly understood, which prevented a proper treatment of the dynamical influence of the companion on the disk. We observed HD 100453AB between 2015-2017 utilizing extreme adaptive optics systems on the Very Large Telescope "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03900","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":"1801.03900","created_at":"2026-05-18T00:22:23.255328+00:00"},{"alias_kind":"arxiv_version","alias_value":"1801.03900v1","created_at":"2026-05-18T00:22:23.255328+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03900","created_at":"2026-05-18T00:22:23.255328+00:00"},{"alias_kind":"pith_short_12","alias_value":"66MSAIBCM3HW","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_16","alias_value":"66MSAIBCM3HWGHWU","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_8","alias_value":"66MSAIBC","created_at":"2026-05-18T12:32:08.215937+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/66MSAIBCM3HWGHWUXGWFWH4AZ3","json":"https://pith.science/pith/66MSAIBCM3HWGHWUXGWFWH4AZ3.json","graph_json":"https://pith.science/api/pith-number/66MSAIBCM3HWGHWUXGWFWH4AZ3/graph.json","events_json":"https://pith.science/api/pith-number/66MSAIBCM3HWGHWUXGWFWH4AZ3/events.json","paper":"https://pith.science/paper/66MSAIBC"},"agent_actions":{"view_html":"https://pith.science/pith/66MSAIBCM3HWGHWUXGWFWH4AZ3","download_json":"https://pith.science/pith/66MSAIBCM3HWGHWUXGWFWH4AZ3.json","view_paper":"https://pith.science/paper/66MSAIBC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1801.03900&json=true","fetch_graph":"https://pith.science/api/pith-number/66MSAIBCM3HWGHWUXGWFWH4AZ3/graph.json","fetch_events":"https://pith.science/api/pith-number/66MSAIBCM3HWGHWUXGWFWH4AZ3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/66MSAIBCM3HWGHWUXGWFWH4AZ3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/66MSAIBCM3HWGHWUXGWFWH4AZ3/action/storage_attestation","attest_author":"https://pith.science/pith/66MSAIBCM3HWGHWUXGWFWH4AZ3/action/author_attestation","sign_citation":"https://pith.science/pith/66MSAIBCM3HWGHWUXGWFWH4AZ3/action/citation_signature","submit_replication":"https://pith.science/pith/66MSAIBCM3HWGHWUXGWFWH4AZ3/action/replication_record"}},"created_at":"2026-05-18T00:22:23.255328+00:00","updated_at":"2026-05-18T00:22:23.255328+00:00"}