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They are important laboratories to study evolutionary effects in disks, from photoevaporation to planet-disk interactions.\n  Aims. We report the discovery of a large inner dust-empty region in the disk around the very low mass star CIDA 1 (M$_{\\star} \\sim 0.1-0.2$ M$_{\\odot}$).\n  Methods. We used ALMA continuum observations at 887$\\mu$m, which provide a spatial resolution of $0.\"21\\times0.\"12$ ($\\sim$15$\\times$8 au"},"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":"1805.00960","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-05-02T18:13:42Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"59f273b17317c8122d93c0fcbfeb6a0edf786d8c1b51ba4e919858a5f04c6ac8","abstract_canon_sha256":"28e87571ed7e01159d98be5214432ce67f7e1c5f4b271bb1f6c512ad2d5d056c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:53.617215Z","signature_b64":"A0fX2KA0mYzSuNG8xMD/4QnvMNV4svD66x2/vB/OFjkMHzCjPGeBoZn4syiPUoucNsNn6aRVE23kf/lHY+dFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d104678f6c15b62472b7d5727b2d8cd1ddcdcbdb4b75493a63f5ded15c7f32d","last_reissued_at":"2026-05-18T00:09:53.616658Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:53.616658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Resolved millimeter-dust continuum cavity around the very low mass young star CIDA 1","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":"Aleks Scholz, Antonella Natta, Carlo F. Manara, Leonardo Testi, Luca Ricci, Paola Pinilla","submitted_at":"2018-05-02T18:13:42Z","abstract_excerpt":"Context. Transition disks (TDs) are circumstellar disks with inner regions highly depleted in dust. TDs are observed in a small fraction of disk-bearing objects at ages of 1-10 Myr. They are important laboratories to study evolutionary effects in disks, from photoevaporation to planet-disk interactions.\n  Aims. We report the discovery of a large inner dust-empty region in the disk around the very low mass star CIDA 1 (M$_{\\star} \\sim 0.1-0.2$ M$_{\\odot}$).\n  Methods. We used ALMA continuum observations at 887$\\mu$m, which provide a spatial resolution of $0.\"21\\times0.\"12$ ($\\sim$15$\\times$8 au"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.00960","kind":"arxiv","version":3},"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":"1805.00960","created_at":"2026-05-18T00:09:53.616751+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.00960v3","created_at":"2026-05-18T00:09:53.616751+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.00960","created_at":"2026-05-18T00:09:53.616751+00:00"},{"alias_kind":"pith_short_12","alias_value":"PUIEM6HWYFNW","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_16","alias_value":"PUIEM6HWYFNWERZL","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_8","alias_value":"PUIEM6HW","created_at":"2026-05-18T12:32:46.962924+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/PUIEM6HWYFNWERZLPVLSPMWYZU","json":"https://pith.science/pith/PUIEM6HWYFNWERZLPVLSPMWYZU.json","graph_json":"https://pith.science/api/pith-number/PUIEM6HWYFNWERZLPVLSPMWYZU/graph.json","events_json":"https://pith.science/api/pith-number/PUIEM6HWYFNWERZLPVLSPMWYZU/events.json","paper":"https://pith.science/paper/PUIEM6HW"},"agent_actions":{"view_html":"https://pith.science/pith/PUIEM6HWYFNWERZLPVLSPMWYZU","download_json":"https://pith.science/pith/PUIEM6HWYFNWERZLPVLSPMWYZU.json","view_paper":"https://pith.science/paper/PUIEM6HW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.00960&json=true","fetch_graph":"https://pith.science/api/pith-number/PUIEM6HWYFNWERZLPVLSPMWYZU/graph.json","fetch_events":"https://pith.science/api/pith-number/PUIEM6HWYFNWERZLPVLSPMWYZU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PUIEM6HWYFNWERZLPVLSPMWYZU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PUIEM6HWYFNWERZLPVLSPMWYZU/action/storage_attestation","attest_author":"https://pith.science/pith/PUIEM6HWYFNWERZLPVLSPMWYZU/action/author_attestation","sign_citation":"https://pith.science/pith/PUIEM6HWYFNWERZLPVLSPMWYZU/action/citation_signature","submit_replication":"https://pith.science/pith/PUIEM6HWYFNWERZLPVLSPMWYZU/action/replication_record"}},"created_at":"2026-05-18T00:09:53.616751+00:00","updated_at":"2026-05-18T00:09:53.616751+00:00"}