{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:CQ7I3ZPNM6GFKGOS7QN2RRBNRK","short_pith_number":"pith:CQ7I3ZPN","schema_version":"1.0","canonical_sha256":"143e8de5ed678c5519d2fc1ba8c42d8a882bbaa81e992e9dfe863327615c8e17","source":{"kind":"arxiv","id":"0710.2892","version":1},"attestation_state":"computed","paper":{"title":"On the Diversity of the Taurus Transitional Disks: UX Tau A & Lk Ca 15","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. Espaillat, C. Qi, D. M. Watson, E. Furlan, J. Hernandez, L. Hartmann, N. Calvet, P. D'Alessio","submitted_at":"2007-10-15T18:45:21Z","abstract_excerpt":"The recently recognized class of \"transitional disk\" systems consists of young starswith optically-thick outer disks but inner disks which are mostly devoid of small dust. Here we introduce a further class of \"pre-transitional disks\" with significant near-infrared excesses which indicate the presence of an optically thick inner disk separated from an optically thick outer disk; thus, the spectral energy distributions of pre-transitional disks suggest the incipient development of disk gaps rather than inner holes. In UX Tau A, our analysis of the Spitzer IRS spectrum finds that the near-infrare"},"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":"0710.2892","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-10-15T18:45:21Z","cross_cats_sorted":[],"title_canon_sha256":"48d72d4268d693f0a821c41715c6f0f7a5181e3adbc1023c3e33783793266d1d","abstract_canon_sha256":"68923cb31b9a6a743f1d1a5db6cd0424319f0480753ea6bdf2cc106b3ec1f200"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:06:16.055534Z","signature_b64":"hoblaz+mZTr5JqiE2IjWkU0eit8/wwNJ+q8LNjuSy7VWPv704CQPP8LASr/6HBOkiRj31k01sltRNNi3GjdiAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"143e8de5ed678c5519d2fc1ba8c42d8a882bbaa81e992e9dfe863327615c8e17","last_reissued_at":"2026-07-04T17:06:16.055158Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:06:16.055158Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Diversity of the Taurus Transitional Disks: UX Tau A & Lk Ca 15","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. Espaillat, C. Qi, D. M. Watson, E. Furlan, J. Hernandez, L. Hartmann, N. Calvet, P. D'Alessio","submitted_at":"2007-10-15T18:45:21Z","abstract_excerpt":"The recently recognized class of \"transitional disk\" systems consists of young starswith optically-thick outer disks but inner disks which are mostly devoid of small dust. Here we introduce a further class of \"pre-transitional disks\" with significant near-infrared excesses which indicate the presence of an optically thick inner disk separated from an optically thick outer disk; thus, the spectral energy distributions of pre-transitional disks suggest the incipient development of disk gaps rather than inner holes. In UX Tau A, our analysis of the Spitzer IRS spectrum finds that the near-infrare"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.2892","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/0710.2892/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":"0710.2892","created_at":"2026-07-04T17:06:16.055213+00:00"},{"alias_kind":"arxiv_version","alias_value":"0710.2892v1","created_at":"2026-07-04T17:06:16.055213+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.2892","created_at":"2026-07-04T17:06:16.055213+00:00"},{"alias_kind":"pith_short_12","alias_value":"CQ7I3ZPNM6GF","created_at":"2026-07-04T17:06:16.055213+00:00"},{"alias_kind":"pith_short_16","alias_value":"CQ7I3ZPNM6GFKGOS","created_at":"2026-07-04T17:06:16.055213+00:00"},{"alias_kind":"pith_short_8","alias_value":"CQ7I3ZPN","created_at":"2026-07-04T17:06:16.055213+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/CQ7I3ZPNM6GFKGOS7QN2RRBNRK","json":"https://pith.science/pith/CQ7I3ZPNM6GFKGOS7QN2RRBNRK.json","graph_json":"https://pith.science/api/pith-number/CQ7I3ZPNM6GFKGOS7QN2RRBNRK/graph.json","events_json":"https://pith.science/api/pith-number/CQ7I3ZPNM6GFKGOS7QN2RRBNRK/events.json","paper":"https://pith.science/paper/CQ7I3ZPN"},"agent_actions":{"view_html":"https://pith.science/pith/CQ7I3ZPNM6GFKGOS7QN2RRBNRK","download_json":"https://pith.science/pith/CQ7I3ZPNM6GFKGOS7QN2RRBNRK.json","view_paper":"https://pith.science/paper/CQ7I3ZPN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0710.2892&json=true","fetch_graph":"https://pith.science/api/pith-number/CQ7I3ZPNM6GFKGOS7QN2RRBNRK/graph.json","fetch_events":"https://pith.science/api/pith-number/CQ7I3ZPNM6GFKGOS7QN2RRBNRK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CQ7I3ZPNM6GFKGOS7QN2RRBNRK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CQ7I3ZPNM6GFKGOS7QN2RRBNRK/action/storage_attestation","attest_author":"https://pith.science/pith/CQ7I3ZPNM6GFKGOS7QN2RRBNRK/action/author_attestation","sign_citation":"https://pith.science/pith/CQ7I3ZPNM6GFKGOS7QN2RRBNRK/action/citation_signature","submit_replication":"https://pith.science/pith/CQ7I3ZPNM6GFKGOS7QN2RRBNRK/action/replication_record"}},"created_at":"2026-07-04T17:06:16.055213+00:00","updated_at":"2026-07-04T17:06:16.055213+00:00"}