{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:6SAAI4YP6DLSNVLMF7GULKQPPU","short_pith_number":"pith:6SAAI4YP","schema_version":"1.0","canonical_sha256":"f48004730ff0d726d56c2fcd45aa0f7d33dc79619fcff97583f4656be65aa24d","source":{"kind":"arxiv","id":"1607.02513","version":1},"attestation_state":"computed","paper":{"title":"ALMA Observations of the Debris Disk of Solar Analogue Tau Ceti","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Brenda C. Matthews, David J. Wilner, Grant M. Kennedy, James Di Francesco, Mark Booth, Meredith A. MacGregor, Samantha M. Lawler","submitted_at":"2016-07-08T20:00:31Z","abstract_excerpt":"We present 1.3 mm observations of the Sun-like star $\\tau$ Ceti with the Atacama Large Millimeter/submillimeter Array (ALMA) that probe angular scales of $\\sim1$'' (4 AU). This first interferometric image of the $\\tau$ Ceti system, which hosts both a debris disk and possible multiplanet system, shows emission from a nearly face-on belt of cold dust with a position angle of $90^\\circ$ surrounding an unresolved central source at the stellar position. To characterize this emission structure, we fit parametric models to the millimeter visibilities. The resulting best-fit model yields an inner belt"},"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":"1607.02513","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-07-08T20:00:31Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"9d37f76fffd131c04534b5423a2b874823746e76e5eb365a157b69161b306a71","abstract_canon_sha256":"a5aba86b16ae78e71d51e50fb373f2046ef4e8f9fb9a339937fd5f23352f288f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:18.254854Z","signature_b64":"4YEOrRhsRPiNmHbyIZdo/8ncWUV7kGALtBu/F0K/CceVMd3XpoDMA3IQW0GR+eAC7fmt2eH0t6v+mcBwB6wKDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f48004730ff0d726d56c2fcd45aa0f7d33dc79619fcff97583f4656be65aa24d","last_reissued_at":"2026-05-18T01:04:18.254452Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:18.254452Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ALMA Observations of the Debris Disk of Solar Analogue Tau Ceti","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Brenda C. Matthews, David J. Wilner, Grant M. Kennedy, James Di Francesco, Mark Booth, Meredith A. MacGregor, Samantha M. Lawler","submitted_at":"2016-07-08T20:00:31Z","abstract_excerpt":"We present 1.3 mm observations of the Sun-like star $\\tau$ Ceti with the Atacama Large Millimeter/submillimeter Array (ALMA) that probe angular scales of $\\sim1$'' (4 AU). This first interferometric image of the $\\tau$ Ceti system, which hosts both a debris disk and possible multiplanet system, shows emission from a nearly face-on belt of cold dust with a position angle of $90^\\circ$ surrounding an unresolved central source at the stellar position. To characterize this emission structure, we fit parametric models to the millimeter visibilities. The resulting best-fit model yields an inner belt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.02513","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":"1607.02513","created_at":"2026-05-18T01:04:18.254512+00:00"},{"alias_kind":"arxiv_version","alias_value":"1607.02513v1","created_at":"2026-05-18T01:04:18.254512+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.02513","created_at":"2026-05-18T01:04:18.254512+00:00"},{"alias_kind":"pith_short_12","alias_value":"6SAAI4YP6DLS","created_at":"2026-05-18T12:30:04.600751+00:00"},{"alias_kind":"pith_short_16","alias_value":"6SAAI4YP6DLSNVLM","created_at":"2026-05-18T12:30:04.600751+00:00"},{"alias_kind":"pith_short_8","alias_value":"6SAAI4YP","created_at":"2026-05-18T12:30:04.600751+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/6SAAI4YP6DLSNVLMF7GULKQPPU","json":"https://pith.science/pith/6SAAI4YP6DLSNVLMF7GULKQPPU.json","graph_json":"https://pith.science/api/pith-number/6SAAI4YP6DLSNVLMF7GULKQPPU/graph.json","events_json":"https://pith.science/api/pith-number/6SAAI4YP6DLSNVLMF7GULKQPPU/events.json","paper":"https://pith.science/paper/6SAAI4YP"},"agent_actions":{"view_html":"https://pith.science/pith/6SAAI4YP6DLSNVLMF7GULKQPPU","download_json":"https://pith.science/pith/6SAAI4YP6DLSNVLMF7GULKQPPU.json","view_paper":"https://pith.science/paper/6SAAI4YP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1607.02513&json=true","fetch_graph":"https://pith.science/api/pith-number/6SAAI4YP6DLSNVLMF7GULKQPPU/graph.json","fetch_events":"https://pith.science/api/pith-number/6SAAI4YP6DLSNVLMF7GULKQPPU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6SAAI4YP6DLSNVLMF7GULKQPPU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6SAAI4YP6DLSNVLMF7GULKQPPU/action/storage_attestation","attest_author":"https://pith.science/pith/6SAAI4YP6DLSNVLMF7GULKQPPU/action/author_attestation","sign_citation":"https://pith.science/pith/6SAAI4YP6DLSNVLMF7GULKQPPU/action/citation_signature","submit_replication":"https://pith.science/pith/6SAAI4YP6DLSNVLMF7GULKQPPU/action/replication_record"}},"created_at":"2026-05-18T01:04:18.254512+00:00","updated_at":"2026-05-18T01:04:18.254512+00:00"}