{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:SPDGDX6XBMFXHH4WDAJQEOFM6G","short_pith_number":"pith:SPDGDX6X","schema_version":"1.0","canonical_sha256":"93c661dfd70b0b739f9618130238acf1aa596643bcb030ef934af4a188bfbd70","source":{"kind":"arxiv","id":"1103.1296","version":1},"attestation_state":"computed","paper":{"title":"A dual-frequency sub-arcsecond study of proto-planetary disks at mm wavelengths: First evidence for radial variations of the dust properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A.Dutrey (1), France), France (2) IRAM, Grenoble, S.Guilloteau (1), Universit\\'e de Bordeaux 1 & CNRS, V.Pi\\'etu (2), Y.Boehler (1) ((1) LAB","submitted_at":"2011-03-07T15:21:05Z","abstract_excerpt":"(Abridged)\n  We attempt to characterize the radial distribution of dust in disks around a sample of young stars from an observational point of view, and, when possible, in a model-independent way, by using parametric laws.\n  We used the IRAM PdBI interferometer to provide very high angular resolution (down to 0.4\" in some sources) observations of the continuum at 1.3 mm and 3 mm around a sample of T Tauri stars in the Taurus-Auriga region. The sample includes single and multiple systems, with a total of 23 individual disks. We used track-sharing observing mode to minimize the biases. We fitted"},"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":"1103.1296","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-03-07T15:21:05Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b176f5680987cbe1e17c28b2fcf8c4d87c5d9b8496f3876323924e9537a54281","abstract_canon_sha256":"cd92ac2aee4fa30bd79261e5ddcdff9484b2eb8350aebab314356be7e1682260"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:58.811091Z","signature_b64":"kmRVNewdrSJ08TsroiOf8BwNEn56AABqmYaa881vPE/qDldrxX2aRPi5Fy0VLaqTNRZNc5d3+QjexvJESOKcDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93c661dfd70b0b739f9618130238acf1aa596643bcb030ef934af4a188bfbd70","last_reissued_at":"2026-05-18T02:02:58.810468Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:58.810468Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A dual-frequency sub-arcsecond study of proto-planetary disks at mm wavelengths: First evidence for radial variations of the dust properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A.Dutrey (1), France), France (2) IRAM, Grenoble, S.Guilloteau (1), Universit\\'e de Bordeaux 1 & CNRS, V.Pi\\'etu (2), Y.Boehler (1) ((1) LAB","submitted_at":"2011-03-07T15:21:05Z","abstract_excerpt":"(Abridged)\n  We attempt to characterize the radial distribution of dust in disks around a sample of young stars from an observational point of view, and, when possible, in a model-independent way, by using parametric laws.\n  We used the IRAM PdBI interferometer to provide very high angular resolution (down to 0.4\" in some sources) observations of the continuum at 1.3 mm and 3 mm around a sample of T Tauri stars in the Taurus-Auriga region. The sample includes single and multiple systems, with a total of 23 individual disks. We used track-sharing observing mode to minimize the biases. We fitted"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.1296","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":"1103.1296","created_at":"2026-05-18T02:02:58.810574+00:00"},{"alias_kind":"arxiv_version","alias_value":"1103.1296v1","created_at":"2026-05-18T02:02:58.810574+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.1296","created_at":"2026-05-18T02:02:58.810574+00:00"},{"alias_kind":"pith_short_12","alias_value":"SPDGDX6XBMFX","created_at":"2026-05-18T12:26:41.206345+00:00"},{"alias_kind":"pith_short_16","alias_value":"SPDGDX6XBMFXHH4W","created_at":"2026-05-18T12:26:41.206345+00:00"},{"alias_kind":"pith_short_8","alias_value":"SPDGDX6X","created_at":"2026-05-18T12:26:41.206345+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":3,"sample":[{"citing_arxiv_id":"2607.07571","citing_title":"Ionized gas emission in protoplanetary disks with the SKAO","ref_index":250,"is_internal_anchor":true},{"citing_arxiv_id":"2606.25794","citing_title":"Substructures in Planet-Forming Disks with the SKAO","ref_index":203,"is_internal_anchor":true},{"citing_arxiv_id":"2606.25794","citing_title":"Substructures in Planet-Forming Disks with the SKAO","ref_index":203,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SPDGDX6XBMFXHH4WDAJQEOFM6G","json":"https://pith.science/pith/SPDGDX6XBMFXHH4WDAJQEOFM6G.json","graph_json":"https://pith.science/api/pith-number/SPDGDX6XBMFXHH4WDAJQEOFM6G/graph.json","events_json":"https://pith.science/api/pith-number/SPDGDX6XBMFXHH4WDAJQEOFM6G/events.json","paper":"https://pith.science/paper/SPDGDX6X"},"agent_actions":{"view_html":"https://pith.science/pith/SPDGDX6XBMFXHH4WDAJQEOFM6G","download_json":"https://pith.science/pith/SPDGDX6XBMFXHH4WDAJQEOFM6G.json","view_paper":"https://pith.science/paper/SPDGDX6X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1103.1296&json=true","fetch_graph":"https://pith.science/api/pith-number/SPDGDX6XBMFXHH4WDAJQEOFM6G/graph.json","fetch_events":"https://pith.science/api/pith-number/SPDGDX6XBMFXHH4WDAJQEOFM6G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SPDGDX6XBMFXHH4WDAJQEOFM6G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SPDGDX6XBMFXHH4WDAJQEOFM6G/action/storage_attestation","attest_author":"https://pith.science/pith/SPDGDX6XBMFXHH4WDAJQEOFM6G/action/author_attestation","sign_citation":"https://pith.science/pith/SPDGDX6XBMFXHH4WDAJQEOFM6G/action/citation_signature","submit_replication":"https://pith.science/pith/SPDGDX6XBMFXHH4WDAJQEOFM6G/action/replication_record"}},"created_at":"2026-05-18T02:02:58.810574+00:00","updated_at":"2026-05-18T02:02:58.810574+00:00"}