{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:XHSGPVXOUHLXKGU5LMLGY7O6KT","short_pith_number":"pith:XHSGPVXO","schema_version":"1.0","canonical_sha256":"b9e467d6eea1d7751a9d5b166c7dde54f4a4d5b12420b874c9b8103208b311da","source":{"kind":"arxiv","id":"1808.03098","version":2},"attestation_state":"computed","paper":{"title":"The Nature of Electrophilic Oxygen : Insights from Periodic Density Functional Theory Investigations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Kavita Joshi, Nivedita Kenge, Sameer Pitale","submitted_at":"2018-08-09T11:30:03Z","abstract_excerpt":"Increasing demand of ethylene oxide and the cost of versatile chemical ethene has been a driving force for understanding mechanism of epoxidation to develop highly selective catalytic process. Direct epoxidation is a proposed mechanism which in theory provides 100\\% selectivity. A key aspect of this mechanism is an electrophilic oxygen (O$_{ele}$) species forming on the Ag surface. In the past two and half decades, large number of theoretical and experimental investigations have tried to elucidate formation of O$_{ele}$ on Ag surface with little success. Equipped with this rich literature on A"},"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":"1808.03098","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-08-09T11:30:03Z","cross_cats_sorted":[],"title_canon_sha256":"16de2b0b94de2b6f415c2c5fd3a2f84d902c593b7906df2d8a0a8e44d89f2dad","abstract_canon_sha256":"fb59a5a5c731d50b836cca4be161d3e9595e8ed8e056355a762f5333171ced7c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:15.433726Z","signature_b64":"ls10y1nMXzZFGmd4+IhsVJwsiMkEc8J3rMw3o3vC3cCFrWwyyUzxkQedyyaf5iRUN6GvW4+HBl0xwb9lNOYPDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9e467d6eea1d7751a9d5b166c7dde54f4a4d5b12420b874c9b8103208b311da","last_reissued_at":"2026-05-18T00:03:15.433035Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:15.433035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Nature of Electrophilic Oxygen : Insights from Periodic Density Functional Theory Investigations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Kavita Joshi, Nivedita Kenge, Sameer Pitale","submitted_at":"2018-08-09T11:30:03Z","abstract_excerpt":"Increasing demand of ethylene oxide and the cost of versatile chemical ethene has been a driving force for understanding mechanism of epoxidation to develop highly selective catalytic process. Direct epoxidation is a proposed mechanism which in theory provides 100\\% selectivity. A key aspect of this mechanism is an electrophilic oxygen (O$_{ele}$) species forming on the Ag surface. In the past two and half decades, large number of theoretical and experimental investigations have tried to elucidate formation of O$_{ele}$ on Ag surface with little success. Equipped with this rich literature on A"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.03098","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":""},"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":"1808.03098","created_at":"2026-05-18T00:03:15.433153+00:00"},{"alias_kind":"arxiv_version","alias_value":"1808.03098v2","created_at":"2026-05-18T00:03:15.433153+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.03098","created_at":"2026-05-18T00:03:15.433153+00:00"},{"alias_kind":"pith_short_12","alias_value":"XHSGPVXOUHLX","created_at":"2026-05-18T12:33:01.666342+00:00"},{"alias_kind":"pith_short_16","alias_value":"XHSGPVXOUHLXKGU5","created_at":"2026-05-18T12:33:01.666342+00:00"},{"alias_kind":"pith_short_8","alias_value":"XHSGPVXO","created_at":"2026-05-18T12:33:01.666342+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/XHSGPVXOUHLXKGU5LMLGY7O6KT","json":"https://pith.science/pith/XHSGPVXOUHLXKGU5LMLGY7O6KT.json","graph_json":"https://pith.science/api/pith-number/XHSGPVXOUHLXKGU5LMLGY7O6KT/graph.json","events_json":"https://pith.science/api/pith-number/XHSGPVXOUHLXKGU5LMLGY7O6KT/events.json","paper":"https://pith.science/paper/XHSGPVXO"},"agent_actions":{"view_html":"https://pith.science/pith/XHSGPVXOUHLXKGU5LMLGY7O6KT","download_json":"https://pith.science/pith/XHSGPVXOUHLXKGU5LMLGY7O6KT.json","view_paper":"https://pith.science/paper/XHSGPVXO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1808.03098&json=true","fetch_graph":"https://pith.science/api/pith-number/XHSGPVXOUHLXKGU5LMLGY7O6KT/graph.json","fetch_events":"https://pith.science/api/pith-number/XHSGPVXOUHLXKGU5LMLGY7O6KT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XHSGPVXOUHLXKGU5LMLGY7O6KT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XHSGPVXOUHLXKGU5LMLGY7O6KT/action/storage_attestation","attest_author":"https://pith.science/pith/XHSGPVXOUHLXKGU5LMLGY7O6KT/action/author_attestation","sign_citation":"https://pith.science/pith/XHSGPVXOUHLXKGU5LMLGY7O6KT/action/citation_signature","submit_replication":"https://pith.science/pith/XHSGPVXOUHLXKGU5LMLGY7O6KT/action/replication_record"}},"created_at":"2026-05-18T00:03:15.433153+00:00","updated_at":"2026-05-18T00:03:15.433153+00:00"}