{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:XHJOAG755N55QASCFBA7IVMQS2","short_pith_number":"pith:XHJOAG75","schema_version":"1.0","canonical_sha256":"b9d2e01bfdeb7bd802422841f45590969c5ebec074409e76612f6d5dd0580b1f","source":{"kind":"arxiv","id":"1309.4319","version":1},"attestation_state":"computed","paper":{"title":"Layer-dependent Electrocatalysis of MoS2 for Hydrogen Evolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Linyou Cao, Shengyang Huang, Stephan Steinmann, Weitao Yang, Yanpeng Li, Yifei Yu","submitted_at":"2013-09-15T02:53:43Z","abstract_excerpt":"The quantitative correlation of the catalytic activity with microscopic structure of heterogeneous catalysts is a major challenge for the field of catalysis science. It requests synergistic capabilities to tailor the structure with atomic scale precision and to control the catalytic reaction to proceed through well-defined pathways. Here we leverage on the controlled growth of MoS2 atomically thin films to demonstrate that the catalytic activity of MoS2 for the hydrogen evolution reaction decreases by a factor of ~4.47 for the addition of every one more layer. Similar layer dependence is also "},"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":"1309.4319","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-09-15T02:53:43Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"b22c68f9e0179b7db2a5b0f4cebbb25f462a36a7ff8e03e10a00905c9253b7f5","abstract_canon_sha256":"db84afcb196e80474c374cecccb68a6b868a2cc2b79829923d6b71096218751a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:36.556682Z","signature_b64":"0UfvIVxBWIdrCSxcfflu/Q7lwz6aJDomphvrGxFet+x4Hqm+WenaFXjnc2VNRiaKmufHJ5vsVbYihlTIzsJSCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9d2e01bfdeb7bd802422841f45590969c5ebec074409e76612f6d5dd0580b1f","last_reissued_at":"2026-05-18T01:47:36.556149Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:36.556149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Layer-dependent Electrocatalysis of MoS2 for Hydrogen Evolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Linyou Cao, Shengyang Huang, Stephan Steinmann, Weitao Yang, Yanpeng Li, Yifei Yu","submitted_at":"2013-09-15T02:53:43Z","abstract_excerpt":"The quantitative correlation of the catalytic activity with microscopic structure of heterogeneous catalysts is a major challenge for the field of catalysis science. It requests synergistic capabilities to tailor the structure with atomic scale precision and to control the catalytic reaction to proceed through well-defined pathways. Here we leverage on the controlled growth of MoS2 atomically thin films to demonstrate that the catalytic activity of MoS2 for the hydrogen evolution reaction decreases by a factor of ~4.47 for the addition of every one more layer. Similar layer dependence is also "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.4319","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":"1309.4319","created_at":"2026-05-18T01:47:36.556241+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.4319v1","created_at":"2026-05-18T01:47:36.556241+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.4319","created_at":"2026-05-18T01:47:36.556241+00:00"},{"alias_kind":"pith_short_12","alias_value":"XHJOAG755N55","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_16","alias_value":"XHJOAG755N55QASC","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_8","alias_value":"XHJOAG75","created_at":"2026-05-18T12:28:06.772260+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/XHJOAG755N55QASCFBA7IVMQS2","json":"https://pith.science/pith/XHJOAG755N55QASCFBA7IVMQS2.json","graph_json":"https://pith.science/api/pith-number/XHJOAG755N55QASCFBA7IVMQS2/graph.json","events_json":"https://pith.science/api/pith-number/XHJOAG755N55QASCFBA7IVMQS2/events.json","paper":"https://pith.science/paper/XHJOAG75"},"agent_actions":{"view_html":"https://pith.science/pith/XHJOAG755N55QASCFBA7IVMQS2","download_json":"https://pith.science/pith/XHJOAG755N55QASCFBA7IVMQS2.json","view_paper":"https://pith.science/paper/XHJOAG75","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.4319&json=true","fetch_graph":"https://pith.science/api/pith-number/XHJOAG755N55QASCFBA7IVMQS2/graph.json","fetch_events":"https://pith.science/api/pith-number/XHJOAG755N55QASCFBA7IVMQS2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XHJOAG755N55QASCFBA7IVMQS2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XHJOAG755N55QASCFBA7IVMQS2/action/storage_attestation","attest_author":"https://pith.science/pith/XHJOAG755N55QASCFBA7IVMQS2/action/author_attestation","sign_citation":"https://pith.science/pith/XHJOAG755N55QASCFBA7IVMQS2/action/citation_signature","submit_replication":"https://pith.science/pith/XHJOAG755N55QASCFBA7IVMQS2/action/replication_record"}},"created_at":"2026-05-18T01:47:36.556241+00:00","updated_at":"2026-05-18T01:47:36.556241+00:00"}