{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:TWQJWDDZVILH554OIS7GY2F4N5","short_pith_number":"pith:TWQJWDDZ","schema_version":"1.0","canonical_sha256":"9da09b0c79aa167ef78e44be6c68bc6f6c9ee97bc3282c7cd268ddf0520549c9","source":{"kind":"arxiv","id":"1810.13148","version":1},"attestation_state":"computed","paper":{"title":"A Spatially Resolved AU-scale Inner Disk around DM Tau","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Hauyu Baobab Liu, Jun Hashimoto, Mihoko Konishi, Ruobing Dong, Takashi Tsukagoshi, Takayuki Muto, Tomoyuki Kudo, Yasuhiro Hasegawa","submitted_at":"2018-10-31T08:17:05Z","abstract_excerpt":"We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of the dust continuum emission at 1.3 mm and 12CO J=2-1 line emission of the transitional disk around DM Tau. DM Tau's disk is thought to possess a dust-free inner cavity inside a few au, from the absence of near-infrared excess on its spectral energy distribution (SED). Previous submillimeter observations were, however, unable to detect the cavity; instead, a dust ring ~20 au in radius was seen. The excellent angular resolution achieved in the new ALMA observations, 43 x 31 mas, allows discovery of a 4 au radius inner"},"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":"1810.13148","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-31T08:17:05Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"a7a5b1dccd6346ef19898cd9f9595da94db256699af1926597e7b6c6cec8d8a8","abstract_canon_sha256":"ec4092fec386f2d45f035c6cafe695f9c75abae5ba7b4730e1f4c1d494c331e2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:48.727994Z","signature_b64":"L5+aMfAgj9aUKMJiFS/uvi0XIzjIzMr9RcUCWsGeCbgBJDABGiU1V7yzK4GUZ84lBW/v6LcfbjHOUVaOrQaaDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9da09b0c79aa167ef78e44be6c68bc6f6c9ee97bc3282c7cd268ddf0520549c9","last_reissued_at":"2026-05-17T23:59:48.727623Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:48.727623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Spatially Resolved AU-scale Inner Disk around DM Tau","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Hauyu Baobab Liu, Jun Hashimoto, Mihoko Konishi, Ruobing Dong, Takashi Tsukagoshi, Takayuki Muto, Tomoyuki Kudo, Yasuhiro Hasegawa","submitted_at":"2018-10-31T08:17:05Z","abstract_excerpt":"We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of the dust continuum emission at 1.3 mm and 12CO J=2-1 line emission of the transitional disk around DM Tau. DM Tau's disk is thought to possess a dust-free inner cavity inside a few au, from the absence of near-infrared excess on its spectral energy distribution (SED). Previous submillimeter observations were, however, unable to detect the cavity; instead, a dust ring ~20 au in radius was seen. The excellent angular resolution achieved in the new ALMA observations, 43 x 31 mas, allows discovery of a 4 au radius inner"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.13148","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":"1810.13148","created_at":"2026-05-17T23:59:48.727678+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.13148v1","created_at":"2026-05-17T23:59:48.727678+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.13148","created_at":"2026-05-17T23:59:48.727678+00:00"},{"alias_kind":"pith_short_12","alias_value":"TWQJWDDZVILH","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"TWQJWDDZVILH554O","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"TWQJWDDZ","created_at":"2026-05-18T12:32:56.356000+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/TWQJWDDZVILH554OIS7GY2F4N5","json":"https://pith.science/pith/TWQJWDDZVILH554OIS7GY2F4N5.json","graph_json":"https://pith.science/api/pith-number/TWQJWDDZVILH554OIS7GY2F4N5/graph.json","events_json":"https://pith.science/api/pith-number/TWQJWDDZVILH554OIS7GY2F4N5/events.json","paper":"https://pith.science/paper/TWQJWDDZ"},"agent_actions":{"view_html":"https://pith.science/pith/TWQJWDDZVILH554OIS7GY2F4N5","download_json":"https://pith.science/pith/TWQJWDDZVILH554OIS7GY2F4N5.json","view_paper":"https://pith.science/paper/TWQJWDDZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.13148&json=true","fetch_graph":"https://pith.science/api/pith-number/TWQJWDDZVILH554OIS7GY2F4N5/graph.json","fetch_events":"https://pith.science/api/pith-number/TWQJWDDZVILH554OIS7GY2F4N5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TWQJWDDZVILH554OIS7GY2F4N5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TWQJWDDZVILH554OIS7GY2F4N5/action/storage_attestation","attest_author":"https://pith.science/pith/TWQJWDDZVILH554OIS7GY2F4N5/action/author_attestation","sign_citation":"https://pith.science/pith/TWQJWDDZVILH554OIS7GY2F4N5/action/citation_signature","submit_replication":"https://pith.science/pith/TWQJWDDZVILH554OIS7GY2F4N5/action/replication_record"}},"created_at":"2026-05-17T23:59:48.727678+00:00","updated_at":"2026-05-17T23:59:48.727678+00:00"}