{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3VF2EPEAVP7N3I6QOPE7NTQCBT","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1e7451a553f9a448f2b00ab329ef588e086da3cb984bdcf1703d18b2c4f2225a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-10T05:29:00Z","title_canon_sha256":"440cfc0b462e99dd5d7a500a89954fa3c4ce6ff312a92d7c6321cc2ad3137025"},"schema_version":"1.0","source":{"id":"1711.03698","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.03698","created_at":"2026-05-18T00:27:18Z"},{"alias_kind":"arxiv_version","alias_value":"1711.03698v1","created_at":"2026-05-18T00:27:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.03698","created_at":"2026-05-18T00:27:18Z"},{"alias_kind":"pith_short_12","alias_value":"3VF2EPEAVP7N","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3VF2EPEAVP7N3I6Q","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3VF2EPEA","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:71a2a560e367b08307bbfc397195e65441072b66d5e462dec695b5a7ef01d731","target":"graph","created_at":"2026-05-18T00:27:18Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Hydrogen, being the most abundant element, is the driver of many if not most reactions occurring on interstellar dust grains. In hydrogen atom addition reactions, the rate is usually determined by the surface kinetics of the hydrogen atom instead of the other reaction partner. Three mechanisms exist to explain hydrogen addition reactions on surfaces: Langmuir-Hinshelwood, Eley-Rideal, and hot-atom. In gas-grain models, which mechanism is assumed greatly affects the simulation results. In this work, we quantify the temperature dependence of the rates of atomic hydrogen addition reactions by stu","authors_text":"Gianfranco Vidali, Jiao He, Shahnewaj M. Emtiaz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-10T05:29:00Z","title":"Mechanism of Atomic Hydrogen Addition Reactions on np-ASW"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.03698","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:021027c96df7acfbcb7093bcd3aa33b2549e7ec2398997d2747408aec1970f4c","target":"record","created_at":"2026-05-18T00:27:18Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1e7451a553f9a448f2b00ab329ef588e086da3cb984bdcf1703d18b2c4f2225a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-11-10T05:29:00Z","title_canon_sha256":"440cfc0b462e99dd5d7a500a89954fa3c4ce6ff312a92d7c6321cc2ad3137025"},"schema_version":"1.0","source":{"id":"1711.03698","kind":"arxiv","version":1}},"canonical_sha256":"dd4ba23c80abfedda3d073c9f6ce020cef2877f133e32921668a8e49123f1828","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd4ba23c80abfedda3d073c9f6ce020cef2877f133e32921668a8e49123f1828","first_computed_at":"2026-05-18T00:27:18.114992Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:18.114992Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NnZ8ZDMUiPSyvoEX4dL6OnTO4ZugWuRwojSrxbOtHVA3hz2hKYS/IvXMGFutN+SlnZz7anIZHv0WSjL/1nzVAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:18.115623Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.03698","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:021027c96df7acfbcb7093bcd3aa33b2549e7ec2398997d2747408aec1970f4c","sha256:71a2a560e367b08307bbfc397195e65441072b66d5e462dec695b5a7ef01d731"],"state_sha256":"8d226567a27f007ca48c3e61f4bedd3a1b9e951f27c0e5da223f58b6f5fe0671"}