{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:AMOSMK7VFTF6YR3GCLABI2PL6W","short_pith_number":"pith:AMOSMK7V","schema_version":"1.0","canonical_sha256":"031d262bf52ccbec476612c01469ebf5a2db82706444285dd33c893a7af4c69c","source":{"kind":"arxiv","id":"1512.06714","version":1},"attestation_state":"computed","paper":{"title":"The Effects of Grain Size and Temperature Distributions on the Formation of Interstellar Ice Mantles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Robin T. Garrod, Tyler Pauly","submitted_at":"2015-12-21T17:19:30Z","abstract_excerpt":"Computational models of interstellar gas-grain chemistry have historically adopted a single dust-grain size of 0.1 micron, assumed to be representative of the size distribution present in the interstellar medium. Here, we investigate the effects of a broad grain-size distribution on the chemistry on dust-grain surfaces and the subsequent build-up of molecular ices on the grains, using a three-phase gas-grain chemical model of a quiescent dark cloud. We include an explicit treatment of the grain temperatures, governed both by the visual extinction of the cloud and the size of each individual gr"},"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":"1512.06714","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-21T17:19:30Z","cross_cats_sorted":[],"title_canon_sha256":"c3bd430237265488720dfb805f643c75df1c0f59ff016cf0ceb19151abef7ab3","abstract_canon_sha256":"7336168242035222ce71a2a1882c443abc92fceece6e146ea9eae213d5f83415"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:25.698908Z","signature_b64":"B7Oj8qpGk0kiUnFxxydSRnCPrRzsXWhQt/Zj+kFMYV495EVO8As6I4LeQrwKT2lYabB5zVo+aXpBGvtePGtVBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"031d262bf52ccbec476612c01469ebf5a2db82706444285dd33c893a7af4c69c","last_reissued_at":"2026-05-18T01:21:25.698187Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:25.698187Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Effects of Grain Size and Temperature Distributions on the Formation of Interstellar Ice Mantles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Robin T. Garrod, Tyler Pauly","submitted_at":"2015-12-21T17:19:30Z","abstract_excerpt":"Computational models of interstellar gas-grain chemistry have historically adopted a single dust-grain size of 0.1 micron, assumed to be representative of the size distribution present in the interstellar medium. Here, we investigate the effects of a broad grain-size distribution on the chemistry on dust-grain surfaces and the subsequent build-up of molecular ices on the grains, using a three-phase gas-grain chemical model of a quiescent dark cloud. We include an explicit treatment of the grain temperatures, governed both by the visual extinction of the cloud and the size of each individual gr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.06714","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":"1512.06714","created_at":"2026-05-18T01:21:25.698304+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.06714v1","created_at":"2026-05-18T01:21:25.698304+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.06714","created_at":"2026-05-18T01:21:25.698304+00:00"},{"alias_kind":"pith_short_12","alias_value":"AMOSMK7VFTF6","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_16","alias_value":"AMOSMK7VFTF6YR3G","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_8","alias_value":"AMOSMK7V","created_at":"2026-05-18T12:29:10.953037+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/AMOSMK7VFTF6YR3GCLABI2PL6W","json":"https://pith.science/pith/AMOSMK7VFTF6YR3GCLABI2PL6W.json","graph_json":"https://pith.science/api/pith-number/AMOSMK7VFTF6YR3GCLABI2PL6W/graph.json","events_json":"https://pith.science/api/pith-number/AMOSMK7VFTF6YR3GCLABI2PL6W/events.json","paper":"https://pith.science/paper/AMOSMK7V"},"agent_actions":{"view_html":"https://pith.science/pith/AMOSMK7VFTF6YR3GCLABI2PL6W","download_json":"https://pith.science/pith/AMOSMK7VFTF6YR3GCLABI2PL6W.json","view_paper":"https://pith.science/paper/AMOSMK7V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.06714&json=true","fetch_graph":"https://pith.science/api/pith-number/AMOSMK7VFTF6YR3GCLABI2PL6W/graph.json","fetch_events":"https://pith.science/api/pith-number/AMOSMK7VFTF6YR3GCLABI2PL6W/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AMOSMK7VFTF6YR3GCLABI2PL6W/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AMOSMK7VFTF6YR3GCLABI2PL6W/action/storage_attestation","attest_author":"https://pith.science/pith/AMOSMK7VFTF6YR3GCLABI2PL6W/action/author_attestation","sign_citation":"https://pith.science/pith/AMOSMK7VFTF6YR3GCLABI2PL6W/action/citation_signature","submit_replication":"https://pith.science/pith/AMOSMK7VFTF6YR3GCLABI2PL6W/action/replication_record"}},"created_at":"2026-05-18T01:21:25.698304+00:00","updated_at":"2026-05-18T01:21:25.698304+00:00"}