{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:3S5LHHLRYIKMKZQVVBUPTOMOEA","short_pith_number":"pith:3S5LHHLR","schema_version":"1.0","canonical_sha256":"dcbab39d71c214c56615a868f9b98e20245d38d6a1909c95848e5aa7640bfb7a","source":{"kind":"arxiv","id":"1702.02732","version":1},"attestation_state":"computed","paper":{"title":"Widening of Protostellar Outflows: an Infrared Outflow Survey in Low Luminosity Objects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Arnaud Belloche, Shih-Ping Lai, Tien-Hao Hsieh","submitted_at":"2017-02-09T07:35:59Z","abstract_excerpt":"We present an outflow survey toward 20 Low Luminosity Objects (LLOs), namely protostars with an internal luminosity lower than 0.2 Lsun. Although a number of studies have reported the properties of individual LLOs, the reasons for their low luminosity remain uncertain. To answer this question, we need to know the evolutionary status of LLOs. Protostellar outflows are found to widen as their parent cores evolve, and therefore, the outflow opening angle could be used as an evolutionary indicator. The infrared scattered light escapes out through the outflow cavity and highlights the cavity wall, "},"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":"1702.02732","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-02-09T07:35:59Z","cross_cats_sorted":[],"title_canon_sha256":"d78d07741c2331a830216b71fa98fd1cd7e3c996f859bef9e82876c46abd4f68","abstract_canon_sha256":"57e8401a9b598e40ea0e0c0026110ec0ec979b95f1889da8889000a1385a9f6e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:19.812650Z","signature_b64":"Z23ubb6ptwzqDcGIklQPFpRr/daPjqk8XeY9gxQgMPc9MeJjRXQWQnPd4dimDdRcbtEoTdJNmFEc1/OYlLv+DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dcbab39d71c214c56615a868f9b98e20245d38d6a1909c95848e5aa7640bfb7a","last_reissued_at":"2026-05-18T00:47:19.811892Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:19.811892Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Widening of Protostellar Outflows: an Infrared Outflow Survey in Low Luminosity Objects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Arnaud Belloche, Shih-Ping Lai, Tien-Hao Hsieh","submitted_at":"2017-02-09T07:35:59Z","abstract_excerpt":"We present an outflow survey toward 20 Low Luminosity Objects (LLOs), namely protostars with an internal luminosity lower than 0.2 Lsun. Although a number of studies have reported the properties of individual LLOs, the reasons for their low luminosity remain uncertain. To answer this question, we need to know the evolutionary status of LLOs. Protostellar outflows are found to widen as their parent cores evolve, and therefore, the outflow opening angle could be used as an evolutionary indicator. The infrared scattered light escapes out through the outflow cavity and highlights the cavity wall, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02732","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":"1702.02732","created_at":"2026-05-18T00:47:19.812018+00:00"},{"alias_kind":"arxiv_version","alias_value":"1702.02732v1","created_at":"2026-05-18T00:47:19.812018+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02732","created_at":"2026-05-18T00:47:19.812018+00:00"},{"alias_kind":"pith_short_12","alias_value":"3S5LHHLRYIKM","created_at":"2026-05-18T12:30:58.224056+00:00"},{"alias_kind":"pith_short_16","alias_value":"3S5LHHLRYIKMKZQV","created_at":"2026-05-18T12:30:58.224056+00:00"},{"alias_kind":"pith_short_8","alias_value":"3S5LHHLR","created_at":"2026-05-18T12:30:58.224056+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2608.04890","citing_title":"Asymmetry in the protostellar system HOPS 198: Evidence for the evolution of outflow opening angle driven by density of the surrounding core","ref_index":47,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/3S5LHHLRYIKMKZQVVBUPTOMOEA","json":"https://pith.science/pith/3S5LHHLRYIKMKZQVVBUPTOMOEA.json","graph_json":"https://pith.science/api/pith-number/3S5LHHLRYIKMKZQVVBUPTOMOEA/graph.json","events_json":"https://pith.science/api/pith-number/3S5LHHLRYIKMKZQVVBUPTOMOEA/events.json","paper":"https://pith.science/paper/3S5LHHLR"},"agent_actions":{"view_html":"https://pith.science/pith/3S5LHHLRYIKMKZQVVBUPTOMOEA","download_json":"https://pith.science/pith/3S5LHHLRYIKMKZQVVBUPTOMOEA.json","view_paper":"https://pith.science/paper/3S5LHHLR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1702.02732&json=true","fetch_graph":"https://pith.science/api/pith-number/3S5LHHLRYIKMKZQVVBUPTOMOEA/graph.json","fetch_events":"https://pith.science/api/pith-number/3S5LHHLRYIKMKZQVVBUPTOMOEA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3S5LHHLRYIKMKZQVVBUPTOMOEA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3S5LHHLRYIKMKZQVVBUPTOMOEA/action/storage_attestation","attest_author":"https://pith.science/pith/3S5LHHLRYIKMKZQVVBUPTOMOEA/action/author_attestation","sign_citation":"https://pith.science/pith/3S5LHHLRYIKMKZQVVBUPTOMOEA/action/citation_signature","submit_replication":"https://pith.science/pith/3S5LHHLRYIKMKZQVVBUPTOMOEA/action/replication_record"}},"created_at":"2026-05-18T00:47:19.812018+00:00","updated_at":"2026-05-18T00:47:19.812018+00:00"}