{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:XZYIKYYJJJTUYKZ76OAQPM2YMM","short_pith_number":"pith:XZYIKYYJ","schema_version":"1.0","canonical_sha256":"be708563094a674c2b3ff38107b358632f21cba4159aa605cbb229c47ff3b048","source":{"kind":"arxiv","id":"1608.08620","version":1},"attestation_state":"computed","paper":{"title":"The Habitability of Proxima Centauri b: II: Environmental States and Observational Discriminants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Andrew P. Lincowski, David Crisp, David P. Fleming, Edward W. Schwieterman, Giada N. Arney, Jacob Lustig-Yaeger, Peter E. Driscoll, Rodrigo Luger, Rory K. Barnes, Russell Deitrick, Shawn D. Domagal-Goldman, Thomas R. Quinn, Tyler Robinson, Victoria S. Meadows","submitted_at":"2016-08-30T19:56:48Z","abstract_excerpt":"Proxima Centauri b provides an unprecedented opportunity to understand the evolution and nature of terrestrial planets orbiting M dwarfs. Although Proxima Cen b orbits within its star's habitable zone, multiple plausible evolutionary paths could have generated different environments that may or may not be habitable. Here we use 1D coupled climate-photochemical models to generate self-consistent atmospheres for evolutionary scenarios predicted in our companion paper (Barnes et al., 2016). These include high-O2, high-CO2, and more Earth-like atmospheres, with either oxidizing or reducing composi"},"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":"1608.08620","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-08-30T19:56:48Z","cross_cats_sorted":[],"title_canon_sha256":"583ebabaf7345a676c540cc64a8cb40ce4236f527bc073faa6697aee2fa46ab0","abstract_canon_sha256":"dc4c9a228cadd29e72193e79cdd18eb6cbfccd2b4ff236c41564c19b2c9503f0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:57.222064Z","signature_b64":"5XZMTPf03XHI59dsblND3OTrEifCj6XY4FYhpEbpJ755Jx6RpT2kHVQSDPMUlQpj3w4Id9t0mItpP8YbBoFJBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be708563094a674c2b3ff38107b358632f21cba4159aa605cbb229c47ff3b048","last_reissued_at":"2026-05-18T00:21:57.221454Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:57.221454Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Habitability of Proxima Centauri b: II: Environmental States and Observational Discriminants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Andrew P. Lincowski, David Crisp, David P. Fleming, Edward W. Schwieterman, Giada N. Arney, Jacob Lustig-Yaeger, Peter E. Driscoll, Rodrigo Luger, Rory K. Barnes, Russell Deitrick, Shawn D. Domagal-Goldman, Thomas R. Quinn, Tyler Robinson, Victoria S. Meadows","submitted_at":"2016-08-30T19:56:48Z","abstract_excerpt":"Proxima Centauri b provides an unprecedented opportunity to understand the evolution and nature of terrestrial planets orbiting M dwarfs. Although Proxima Cen b orbits within its star's habitable zone, multiple plausible evolutionary paths could have generated different environments that may or may not be habitable. Here we use 1D coupled climate-photochemical models to generate self-consistent atmospheres for evolutionary scenarios predicted in our companion paper (Barnes et al., 2016). These include high-O2, high-CO2, and more Earth-like atmospheres, with either oxidizing or reducing composi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.08620","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":"1608.08620","created_at":"2026-05-18T00:21:57.221548+00:00"},{"alias_kind":"arxiv_version","alias_value":"1608.08620v1","created_at":"2026-05-18T00:21:57.221548+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.08620","created_at":"2026-05-18T00:21:57.221548+00:00"},{"alias_kind":"pith_short_12","alias_value":"XZYIKYYJJJTU","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_16","alias_value":"XZYIKYYJJJTUYKZ7","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_8","alias_value":"XZYIKYYJ","created_at":"2026-05-18T12:30:51.357362+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/XZYIKYYJJJTUYKZ76OAQPM2YMM","json":"https://pith.science/pith/XZYIKYYJJJTUYKZ76OAQPM2YMM.json","graph_json":"https://pith.science/api/pith-number/XZYIKYYJJJTUYKZ76OAQPM2YMM/graph.json","events_json":"https://pith.science/api/pith-number/XZYIKYYJJJTUYKZ76OAQPM2YMM/events.json","paper":"https://pith.science/paper/XZYIKYYJ"},"agent_actions":{"view_html":"https://pith.science/pith/XZYIKYYJJJTUYKZ76OAQPM2YMM","download_json":"https://pith.science/pith/XZYIKYYJJJTUYKZ76OAQPM2YMM.json","view_paper":"https://pith.science/paper/XZYIKYYJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1608.08620&json=true","fetch_graph":"https://pith.science/api/pith-number/XZYIKYYJJJTUYKZ76OAQPM2YMM/graph.json","fetch_events":"https://pith.science/api/pith-number/XZYIKYYJJJTUYKZ76OAQPM2YMM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XZYIKYYJJJTUYKZ76OAQPM2YMM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XZYIKYYJJJTUYKZ76OAQPM2YMM/action/storage_attestation","attest_author":"https://pith.science/pith/XZYIKYYJJJTUYKZ76OAQPM2YMM/action/author_attestation","sign_citation":"https://pith.science/pith/XZYIKYYJJJTUYKZ76OAQPM2YMM/action/citation_signature","submit_replication":"https://pith.science/pith/XZYIKYYJJJTUYKZ76OAQPM2YMM/action/replication_record"}},"created_at":"2026-05-18T00:21:57.221548+00:00","updated_at":"2026-05-18T00:21:57.221548+00:00"}