{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:BA5VCRHWPKXYNOCQHOGURCTCPC","short_pith_number":"pith:BA5VCRHW","schema_version":"1.0","canonical_sha256":"083b5144f67aaf86b8503b8d488a62789147d7c82817fb153dccec72d52fe030","source":{"kind":"arxiv","id":"1612.07517","version":1},"attestation_state":"computed","paper":{"title":"Low conductance of the nickel atomic junctions in hydrogen atmosphere","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Shuaishuai Li, Yibin Hu, Yi-qun Xie","submitted_at":"2016-12-22T10:10:39Z","abstract_excerpt":"The low conductance of nickel atomic junctions in the hydrogen environment is studied using the nonequilibrium Green's function theory combined with first-principles calculations. The Ni junction bridged by a $H_2$ molecule has a conductance of approximately 0.7 $G_0$. This conductance is contributed by the anti-bonding state of the $H_2$ molecule, which forms a bonding state with the $3d$ orbitals of the nearby Ni atoms. In contrast, the Ni junction bridged by the two single H atoms has a conductance of approximately 1 $G_0$, which is weakly spin-polarized. The spin-up channels were found to "},"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":"1612.07517","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-12-22T10:10:39Z","cross_cats_sorted":[],"title_canon_sha256":"cfb6202ad85070f3081f10ca406f6b762d7ef76a0f2cea8f8febbd3d0184b384","abstract_canon_sha256":"eeb656999e4ca2ae73283282fb48999be3ed363c925935437980da82eb0b41ee"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:09.875745Z","signature_b64":"Bt2q95FlxhObRskSwF8yoRpmaVvTuMh3Gj8m7GFmEL7qCuQbO9Av48Ur1g4VXu29x1ZX8ap3UU1l/ShXKaLIDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"083b5144f67aaf86b8503b8d488a62789147d7c82817fb153dccec72d52fe030","last_reissued_at":"2026-05-18T00:54:09.875327Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:09.875327Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Low conductance of the nickel atomic junctions in hydrogen atmosphere","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Shuaishuai Li, Yibin Hu, Yi-qun Xie","submitted_at":"2016-12-22T10:10:39Z","abstract_excerpt":"The low conductance of nickel atomic junctions in the hydrogen environment is studied using the nonequilibrium Green's function theory combined with first-principles calculations. The Ni junction bridged by a $H_2$ molecule has a conductance of approximately 0.7 $G_0$. This conductance is contributed by the anti-bonding state of the $H_2$ molecule, which forms a bonding state with the $3d$ orbitals of the nearby Ni atoms. In contrast, the Ni junction bridged by the two single H atoms has a conductance of approximately 1 $G_0$, which is weakly spin-polarized. The spin-up channels were found to "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.07517","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":"1612.07517","created_at":"2026-05-18T00:54:09.875394+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.07517v1","created_at":"2026-05-18T00:54:09.875394+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.07517","created_at":"2026-05-18T00:54:09.875394+00:00"},{"alias_kind":"pith_short_12","alias_value":"BA5VCRHWPKXY","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_16","alias_value":"BA5VCRHWPKXYNOCQ","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_8","alias_value":"BA5VCRHW","created_at":"2026-05-18T12:30:07.202191+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/BA5VCRHWPKXYNOCQHOGURCTCPC","json":"https://pith.science/pith/BA5VCRHWPKXYNOCQHOGURCTCPC.json","graph_json":"https://pith.science/api/pith-number/BA5VCRHWPKXYNOCQHOGURCTCPC/graph.json","events_json":"https://pith.science/api/pith-number/BA5VCRHWPKXYNOCQHOGURCTCPC/events.json","paper":"https://pith.science/paper/BA5VCRHW"},"agent_actions":{"view_html":"https://pith.science/pith/BA5VCRHWPKXYNOCQHOGURCTCPC","download_json":"https://pith.science/pith/BA5VCRHWPKXYNOCQHOGURCTCPC.json","view_paper":"https://pith.science/paper/BA5VCRHW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.07517&json=true","fetch_graph":"https://pith.science/api/pith-number/BA5VCRHWPKXYNOCQHOGURCTCPC/graph.json","fetch_events":"https://pith.science/api/pith-number/BA5VCRHWPKXYNOCQHOGURCTCPC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BA5VCRHWPKXYNOCQHOGURCTCPC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BA5VCRHWPKXYNOCQHOGURCTCPC/action/storage_attestation","attest_author":"https://pith.science/pith/BA5VCRHWPKXYNOCQHOGURCTCPC/action/author_attestation","sign_citation":"https://pith.science/pith/BA5VCRHWPKXYNOCQHOGURCTCPC/action/citation_signature","submit_replication":"https://pith.science/pith/BA5VCRHWPKXYNOCQHOGURCTCPC/action/replication_record"}},"created_at":"2026-05-18T00:54:09.875394+00:00","updated_at":"2026-05-18T00:54:09.875394+00:00"}