{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:UTENSG6EHG3RSVLJGUKDWX7SON","short_pith_number":"pith:UTENSG6E","schema_version":"1.0","canonical_sha256":"a4c8d91bc439b719556935143b5ff2734fc703983e5ad1b8a90ed5afdb07b093","source":{"kind":"arxiv","id":"1711.00023","version":1},"attestation_state":"computed","paper":{"title":"The protoplanetary system HD 100546 in H$\\alpha$ polarized light from SPHERE/ZIMPOL. A bar-like structure across the disk gap?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"A. Cheetham, A. Garufi, B. Norris, F.A. Olguin, I. Mendigut\\'ia, N. Hu\\'elamo, P. Tuthill, R.D. Oudmaijer, S.L. Lumsden, W.J. de Wit","submitted_at":"2017-10-31T18:00:45Z","abstract_excerpt":"HD 100546 is one of the few known pre-main-sequence stars that may host a planetary system in its disk. We analyze new VLT/SPHERE/ZIMPOL polarimetric images of HD 100546 with filters in H$\\alpha$ and the adjacent continuum. We have probed the disk gap and the surface layers of the outer disk, covering a region < 500 mas (< 55 au at 109 pc) from the star, at an angular resolution of ~ 20 mas. Our data show an asymmetry: the SE and NW regions of the outer disk are more polarized than the SW and NE. This can be explained from a preferential scattering angle close to 90$^o$, consistent with previo"},"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":"1711.00023","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-10-31T18:00:45Z","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"title_canon_sha256":"590b3715dc8308c1501b263f11a6ec84fddc2df344d6480f47754becc676ba5a","abstract_canon_sha256":"f8ffd193578c610d198a2d19ba3d1408baf43f42a7794d157dfc1ae20b94303e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:12.886711Z","signature_b64":"ZU+u1gD9Y00LkmHGwyLVHNcSpguutC74NsBx5UZEDkVtjrafr1xqkW3eH1EvSYNn9RgWCYMX8tQjbceghpTYDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4c8d91bc439b719556935143b5ff2734fc703983e5ad1b8a90ed5afdb07b093","last_reissued_at":"2026-05-18T00:28:12.886209Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:12.886209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The protoplanetary system HD 100546 in H$\\alpha$ polarized light from SPHERE/ZIMPOL. A bar-like structure across the disk gap?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"A. Cheetham, A. Garufi, B. Norris, F.A. Olguin, I. Mendigut\\'ia, N. Hu\\'elamo, P. Tuthill, R.D. Oudmaijer, S.L. Lumsden, W.J. de Wit","submitted_at":"2017-10-31T18:00:45Z","abstract_excerpt":"HD 100546 is one of the few known pre-main-sequence stars that may host a planetary system in its disk. We analyze new VLT/SPHERE/ZIMPOL polarimetric images of HD 100546 with filters in H$\\alpha$ and the adjacent continuum. We have probed the disk gap and the surface layers of the outer disk, covering a region < 500 mas (< 55 au at 109 pc) from the star, at an angular resolution of ~ 20 mas. Our data show an asymmetry: the SE and NW regions of the outer disk are more polarized than the SW and NE. This can be explained from a preferential scattering angle close to 90$^o$, consistent with previo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.00023","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":"1711.00023","created_at":"2026-05-18T00:28:12.886277+00:00"},{"alias_kind":"arxiv_version","alias_value":"1711.00023v1","created_at":"2026-05-18T00:28:12.886277+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.00023","created_at":"2026-05-18T00:28:12.886277+00:00"},{"alias_kind":"pith_short_12","alias_value":"UTENSG6EHG3R","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_16","alias_value":"UTENSG6EHG3RSVLJ","created_at":"2026-05-18T12:31:49.984773+00:00"},{"alias_kind":"pith_short_8","alias_value":"UTENSG6E","created_at":"2026-05-18T12:31:49.984773+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/UTENSG6EHG3RSVLJGUKDWX7SON","json":"https://pith.science/pith/UTENSG6EHG3RSVLJGUKDWX7SON.json","graph_json":"https://pith.science/api/pith-number/UTENSG6EHG3RSVLJGUKDWX7SON/graph.json","events_json":"https://pith.science/api/pith-number/UTENSG6EHG3RSVLJGUKDWX7SON/events.json","paper":"https://pith.science/paper/UTENSG6E"},"agent_actions":{"view_html":"https://pith.science/pith/UTENSG6EHG3RSVLJGUKDWX7SON","download_json":"https://pith.science/pith/UTENSG6EHG3RSVLJGUKDWX7SON.json","view_paper":"https://pith.science/paper/UTENSG6E","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1711.00023&json=true","fetch_graph":"https://pith.science/api/pith-number/UTENSG6EHG3RSVLJGUKDWX7SON/graph.json","fetch_events":"https://pith.science/api/pith-number/UTENSG6EHG3RSVLJGUKDWX7SON/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UTENSG6EHG3RSVLJGUKDWX7SON/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UTENSG6EHG3RSVLJGUKDWX7SON/action/storage_attestation","attest_author":"https://pith.science/pith/UTENSG6EHG3RSVLJGUKDWX7SON/action/author_attestation","sign_citation":"https://pith.science/pith/UTENSG6EHG3RSVLJGUKDWX7SON/action/citation_signature","submit_replication":"https://pith.science/pith/UTENSG6EHG3RSVLJGUKDWX7SON/action/replication_record"}},"created_at":"2026-05-18T00:28:12.886277+00:00","updated_at":"2026-05-18T00:28:12.886277+00:00"}