{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:N42B3JCWKNOAK5DXFD3EJPMKNW","short_pith_number":"pith:N42B3JCW","schema_version":"1.0","canonical_sha256":"6f341da456535c05747728f644bd8a6dbbe6307171a2826b539185b445cd0f26","source":{"kind":"arxiv","id":"2001.11040","version":1},"attestation_state":"computed","paper":{"title":"A multi-frequency ALMA characterization of substructures in the GM Aur protoplanetary disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Andrea Isella, Chunhua Qi, Cornelis P. Dullemond, David J. Wilner, Enrique Macias, Jane Huang, John M. Carpenter, Karin I. Oberg, Laura M. Perez, Melissa K. McClure, Richard Teague, Sean M. Andrews, Shangjia Zhang, Tilman Birnstiel, Zhaohuan Zhu","submitted_at":"2020-01-29T19:00:11Z","abstract_excerpt":"The protoplanetary disk around the T Tauri star GM Aur was one of the first hypothesized to be in the midst of being cleared out by a forming planet. As a result, GM Aur has had an outsized influence on our understanding of disk structure and evolution. We present 1.1 and 2.1 mm ALMA continuum observations of the GM Aur disk at a resolution of ~50 mas (~8 au), as well as HCO$^+$ $J=3-2$ observations at a resolution of ~100 mas. The dust continuum shows at least three rings atop faint, extended emission. Unresolved emission is detected at the center of the disk cavity at both wavelengths, likel"},"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":"2001.11040","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2020-01-29T19:00:11Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"1a971b6bcce3ab1a903c75d2c22ae2e1fe74431268065fb95941d823029ecc0d","abstract_canon_sha256":"6e62d6eb54c29dc1caa2beee65405a2e7fefb0653b17b47da6015419304f9f5f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:46:58.841067Z","signature_b64":"TIEn6SD7aCeCnAVS2TqqTeO/0CsCpfpWnvOhacn54gxdorau45P7Xba3yDZm2Ob/eFsbu3EXOA8YjjtD+Gx1AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f341da456535c05747728f644bd8a6dbbe6307171a2826b539185b445cd0f26","last_reissued_at":"2026-07-05T00:46:58.840683Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:46:58.840683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A multi-frequency ALMA characterization of substructures in the GM Aur protoplanetary disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Andrea Isella, Chunhua Qi, Cornelis P. Dullemond, David J. Wilner, Enrique Macias, Jane Huang, John M. Carpenter, Karin I. Oberg, Laura M. Perez, Melissa K. McClure, Richard Teague, Sean M. Andrews, Shangjia Zhang, Tilman Birnstiel, Zhaohuan Zhu","submitted_at":"2020-01-29T19:00:11Z","abstract_excerpt":"The protoplanetary disk around the T Tauri star GM Aur was one of the first hypothesized to be in the midst of being cleared out by a forming planet. As a result, GM Aur has had an outsized influence on our understanding of disk structure and evolution. We present 1.1 and 2.1 mm ALMA continuum observations of the GM Aur disk at a resolution of ~50 mas (~8 au), as well as HCO$^+$ $J=3-2$ observations at a resolution of ~100 mas. The dust continuum shows at least three rings atop faint, extended emission. Unresolved emission is detected at the center of the disk cavity at both wavelengths, likel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.11040","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2001.11040/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2001.11040","created_at":"2026-07-05T00:46:58.840739+00:00"},{"alias_kind":"arxiv_version","alias_value":"2001.11040v1","created_at":"2026-07-05T00:46:58.840739+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.11040","created_at":"2026-07-05T00:46:58.840739+00:00"},{"alias_kind":"pith_short_12","alias_value":"N42B3JCWKNOA","created_at":"2026-07-05T00:46:58.840739+00:00"},{"alias_kind":"pith_short_16","alias_value":"N42B3JCWKNOAK5DX","created_at":"2026-07-05T00:46:58.840739+00:00"},{"alias_kind":"pith_short_8","alias_value":"N42B3JCW","created_at":"2026-07-05T00:46:58.840739+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/N42B3JCWKNOAK5DXFD3EJPMKNW","json":"https://pith.science/pith/N42B3JCWKNOAK5DXFD3EJPMKNW.json","graph_json":"https://pith.science/api/pith-number/N42B3JCWKNOAK5DXFD3EJPMKNW/graph.json","events_json":"https://pith.science/api/pith-number/N42B3JCWKNOAK5DXFD3EJPMKNW/events.json","paper":"https://pith.science/paper/N42B3JCW"},"agent_actions":{"view_html":"https://pith.science/pith/N42B3JCWKNOAK5DXFD3EJPMKNW","download_json":"https://pith.science/pith/N42B3JCWKNOAK5DXFD3EJPMKNW.json","view_paper":"https://pith.science/paper/N42B3JCW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2001.11040&json=true","fetch_graph":"https://pith.science/api/pith-number/N42B3JCWKNOAK5DXFD3EJPMKNW/graph.json","fetch_events":"https://pith.science/api/pith-number/N42B3JCWKNOAK5DXFD3EJPMKNW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/N42B3JCWKNOAK5DXFD3EJPMKNW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/N42B3JCWKNOAK5DXFD3EJPMKNW/action/storage_attestation","attest_author":"https://pith.science/pith/N42B3JCWKNOAK5DXFD3EJPMKNW/action/author_attestation","sign_citation":"https://pith.science/pith/N42B3JCWKNOAK5DXFD3EJPMKNW/action/citation_signature","submit_replication":"https://pith.science/pith/N42B3JCWKNOAK5DXFD3EJPMKNW/action/replication_record"}},"created_at":"2026-07-05T00:46:58.840739+00:00","updated_at":"2026-07-05T00:46:58.840739+00:00"}