{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:4PJ37FXKBJ2YQBVMOOFCV3F4V2","short_pith_number":"pith:4PJ37FXK","schema_version":"1.0","canonical_sha256":"e3d3bf96ea0a758806ac738a2aecbcae846b698a6748ad7a2dabff0d05028eea","source":{"kind":"arxiv","id":"1302.6603","version":1},"attestation_state":"computed","paper":{"title":"Photochemistry in Terrestrial Exoplanet Atmospheres II: H2S and SO2 Photochemistry in Anoxic Atmospheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Renyu Hu, Sara Seager, William Bains","submitted_at":"2013-02-26T21:15:10Z","abstract_excerpt":"Sulfur gases are common components in the volcanic and biological emission on Earth, and are expected to be important input gases for atmospheres on terrestrial exoplanets. We study the atmospheric composition and the spectra of terrestrial exoplanets with sulfur compounds (i.e., H2S and SO2) emitted from their surfaces. We use a comprehensive one-dimensional photochemistry model and radiative transfer model to investigate the sulfur chemistry in atmospheres ranging from reducing to oxidizing. The most important finding is that both H2S and SO2 are chemically short-lived in virtually all types"},"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":"1302.6603","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-02-26T21:15:10Z","cross_cats_sorted":[],"title_canon_sha256":"5d4296942af7be82987e9a81c3960427ee9843607855a75e5b1ac401ca1cb76f","abstract_canon_sha256":"7b02d01f9e4d0929b802f74922cd6b2722472df2fe0bb1a33a7d2e217a0159f4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:27.022112Z","signature_b64":"GDfmyPSKnocEE4NxeONYaXE0lwxbsxj3g9+wh+JKSprnfi2/qD7uwGgJPfQtB+LHym7g04MFvLIEZzbIcJQ/Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3d3bf96ea0a758806ac738a2aecbcae846b698a6748ad7a2dabff0d05028eea","last_reissued_at":"2026-05-18T01:51:27.021551Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:27.021551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Photochemistry in Terrestrial Exoplanet Atmospheres II: H2S and SO2 Photochemistry in Anoxic Atmospheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Renyu Hu, Sara Seager, William Bains","submitted_at":"2013-02-26T21:15:10Z","abstract_excerpt":"Sulfur gases are common components in the volcanic and biological emission on Earth, and are expected to be important input gases for atmospheres on terrestrial exoplanets. We study the atmospheric composition and the spectra of terrestrial exoplanets with sulfur compounds (i.e., H2S and SO2) emitted from their surfaces. We use a comprehensive one-dimensional photochemistry model and radiative transfer model to investigate the sulfur chemistry in atmospheres ranging from reducing to oxidizing. The most important finding is that both H2S and SO2 are chemically short-lived in virtually all types"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6603","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":"1302.6603","created_at":"2026-05-18T01:51:27.021647+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.6603v1","created_at":"2026-05-18T01:51:27.021647+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6603","created_at":"2026-05-18T01:51:27.021647+00:00"},{"alias_kind":"pith_short_12","alias_value":"4PJ37FXKBJ2Y","created_at":"2026-05-18T12:27:34.582898+00:00"},{"alias_kind":"pith_short_16","alias_value":"4PJ37FXKBJ2YQBVM","created_at":"2026-05-18T12:27:34.582898+00:00"},{"alias_kind":"pith_short_8","alias_value":"4PJ37FXK","created_at":"2026-05-18T12:27:34.582898+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/4PJ37FXKBJ2YQBVMOOFCV3F4V2","json":"https://pith.science/pith/4PJ37FXKBJ2YQBVMOOFCV3F4V2.json","graph_json":"https://pith.science/api/pith-number/4PJ37FXKBJ2YQBVMOOFCV3F4V2/graph.json","events_json":"https://pith.science/api/pith-number/4PJ37FXKBJ2YQBVMOOFCV3F4V2/events.json","paper":"https://pith.science/paper/4PJ37FXK"},"agent_actions":{"view_html":"https://pith.science/pith/4PJ37FXKBJ2YQBVMOOFCV3F4V2","download_json":"https://pith.science/pith/4PJ37FXKBJ2YQBVMOOFCV3F4V2.json","view_paper":"https://pith.science/paper/4PJ37FXK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.6603&json=true","fetch_graph":"https://pith.science/api/pith-number/4PJ37FXKBJ2YQBVMOOFCV3F4V2/graph.json","fetch_events":"https://pith.science/api/pith-number/4PJ37FXKBJ2YQBVMOOFCV3F4V2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4PJ37FXKBJ2YQBVMOOFCV3F4V2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4PJ37FXKBJ2YQBVMOOFCV3F4V2/action/storage_attestation","attest_author":"https://pith.science/pith/4PJ37FXKBJ2YQBVMOOFCV3F4V2/action/author_attestation","sign_citation":"https://pith.science/pith/4PJ37FXKBJ2YQBVMOOFCV3F4V2/action/citation_signature","submit_replication":"https://pith.science/pith/4PJ37FXKBJ2YQBVMOOFCV3F4V2/action/replication_record"}},"created_at":"2026-05-18T01:51:27.021647+00:00","updated_at":"2026-05-18T01:51:27.021647+00:00"}