{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:E4X53ZXNW5KZVINKSAK4ASMDY4","short_pith_number":"pith:E4X53ZXN","schema_version":"1.0","canonical_sha256":"272fdde6edb7559aa1aa9015c04983c73526ae32f210ff8425b0214855c2489a","source":{"kind":"arxiv","id":"2201.00829","version":2},"attestation_state":"computed","paper":{"title":"Towards RNA life on Early Earth: From atmospheric HCN to biomolecule production in warm little ponds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ao-ph","physics.chem-ph","physics.comp-ph","physics.geo-ph"],"primary_cat":"astro-ph.EP","authors_text":"Ben K. D. Pearce, Kaitlin E. Cerrillo, Karan Molaverdikhani, Ralph E. Pudritz, Thomas Henning","submitted_at":"2022-01-03T19:00:04Z","abstract_excerpt":"The origin of life on Earth involves the early appearance of an information-containing molecule such as RNA. The basic building blocks of RNA could have been delivered by carbon-rich meteorites, or produced in situ by processes beginning with the synthesis of hydrogen cyanide (HCN) in the early Earth's atmosphere. Here, we construct a robust physical and non-equilibrium chemical model of the early Earth atmosphere. The atmosphere is supplied with hydrogen from impact degassing of meteorites, sourced with water evaporated from the oceans, carbon dioxide from volcanoes, and methane from undersea"},"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":"2201.00829","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-01-03T19:00:04Z","cross_cats_sorted":["physics.ao-ph","physics.chem-ph","physics.comp-ph","physics.geo-ph"],"title_canon_sha256":"8fe33998672730395e888e2c8799be000cb36a6637d62e81bd5809836580722b","abstract_canon_sha256":"2a75389846f6ae99a694acaccf3c3108a3e81ae16728ba07e30cb6a1012f664b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:31:30.565089Z","signature_b64":"LoMIRwfDWoLTxnmMCRoJppk7Z1BhGFiVq1DiOvuelQnJCD2rCspDsd/FwzI78atoCpVTwSf89NGEcezoBQ/oDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"272fdde6edb7559aa1aa9015c04983c73526ae32f210ff8425b0214855c2489a","last_reissued_at":"2026-07-05T04:31:30.564578Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:31:30.564578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Towards RNA life on Early Earth: From atmospheric HCN to biomolecule production in warm little ponds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ao-ph","physics.chem-ph","physics.comp-ph","physics.geo-ph"],"primary_cat":"astro-ph.EP","authors_text":"Ben K. D. Pearce, Kaitlin E. Cerrillo, Karan Molaverdikhani, Ralph E. Pudritz, Thomas Henning","submitted_at":"2022-01-03T19:00:04Z","abstract_excerpt":"The origin of life on Earth involves the early appearance of an information-containing molecule such as RNA. The basic building blocks of RNA could have been delivered by carbon-rich meteorites, or produced in situ by processes beginning with the synthesis of hydrogen cyanide (HCN) in the early Earth's atmosphere. Here, we construct a robust physical and non-equilibrium chemical model of the early Earth atmosphere. The atmosphere is supplied with hydrogen from impact degassing of meteorites, sourced with water evaporated from the oceans, carbon dioxide from volcanoes, and methane from undersea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.00829","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2201.00829/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2201.00829","created_at":"2026-07-05T04:31:30.564637+00:00"},{"alias_kind":"arxiv_version","alias_value":"2201.00829v2","created_at":"2026-07-05T04:31:30.564637+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.00829","created_at":"2026-07-05T04:31:30.564637+00:00"},{"alias_kind":"pith_short_12","alias_value":"E4X53ZXNW5KZ","created_at":"2026-07-05T04:31:30.564637+00:00"},{"alias_kind":"pith_short_16","alias_value":"E4X53ZXNW5KZVINK","created_at":"2026-07-05T04:31:30.564637+00:00"},{"alias_kind":"pith_short_8","alias_value":"E4X53ZXN","created_at":"2026-07-05T04:31:30.564637+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/E4X53ZXNW5KZVINKSAK4ASMDY4","json":"https://pith.science/pith/E4X53ZXNW5KZVINKSAK4ASMDY4.json","graph_json":"https://pith.science/api/pith-number/E4X53ZXNW5KZVINKSAK4ASMDY4/graph.json","events_json":"https://pith.science/api/pith-number/E4X53ZXNW5KZVINKSAK4ASMDY4/events.json","paper":"https://pith.science/paper/E4X53ZXN"},"agent_actions":{"view_html":"https://pith.science/pith/E4X53ZXNW5KZVINKSAK4ASMDY4","download_json":"https://pith.science/pith/E4X53ZXNW5KZVINKSAK4ASMDY4.json","view_paper":"https://pith.science/paper/E4X53ZXN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2201.00829&json=true","fetch_graph":"https://pith.science/api/pith-number/E4X53ZXNW5KZVINKSAK4ASMDY4/graph.json","fetch_events":"https://pith.science/api/pith-number/E4X53ZXNW5KZVINKSAK4ASMDY4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/E4X53ZXNW5KZVINKSAK4ASMDY4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/E4X53ZXNW5KZVINKSAK4ASMDY4/action/storage_attestation","attest_author":"https://pith.science/pith/E4X53ZXNW5KZVINKSAK4ASMDY4/action/author_attestation","sign_citation":"https://pith.science/pith/E4X53ZXNW5KZVINKSAK4ASMDY4/action/citation_signature","submit_replication":"https://pith.science/pith/E4X53ZXNW5KZVINKSAK4ASMDY4/action/replication_record"}},"created_at":"2026-07-05T04:31:30.564637+00:00","updated_at":"2026-07-05T04:31:30.564637+00:00"}