{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:JDFXPJWLE4X5KCCTTO7T4EUGTB","short_pith_number":"pith:JDFXPJWL","schema_version":"1.0","canonical_sha256":"48cb77a6cb272fd508539bbf3e128698629026668bb71e3026687d8dee13d98f","source":{"kind":"arxiv","id":"1807.05749","version":1},"attestation_state":"computed","paper":{"title":"Partial positive refraction in asymmetric Veselago lenses of uniaxially strained graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Y. Betancur-Ocampo","submitted_at":"2018-07-16T09:23:08Z","abstract_excerpt":"Asymmetric Veselago lenses (AVLs) can be created from ballistic $p$-$n$ and $n$-$p$-$n$ homojunctions of uniaxially strained graphene. This atypical converging electron flow emerges by applying uniaxial tension out of the device's symmetry axes. A part of electron flow needs to be positively refracted for focusing in an asymmetric spot, whose location is tunable with the strain. In AVLs, Klein tunneling is angularly shifted regards to the normal incidence. This perfect transmission occurs at the straight line that connects the point source and focus, which is unaffected by variation of the Fer"},"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":"1807.05749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-16T09:23:08Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"e63c0c1c6f09b42d7851d6eedfdc9fff3b22532613d704813fb3d0c343cf9df9","abstract_canon_sha256":"c80eff8961f7d1a4528ea1014c7cc6a72699727bc9251bbc53db53fdd46976bf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:07.967690Z","signature_b64":"5Svgnhvd9h0FMJWyETeSV2SvDHoUEZNXjCcjBnCV+o0m2YIlpzuHosKLt57XASCPTl4bmhQF2ziRNMjwjNvaAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48cb77a6cb272fd508539bbf3e128698629026668bb71e3026687d8dee13d98f","last_reissued_at":"2026-05-17T23:59:07.967216Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:07.967216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Partial positive refraction in asymmetric Veselago lenses of uniaxially strained graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Y. Betancur-Ocampo","submitted_at":"2018-07-16T09:23:08Z","abstract_excerpt":"Asymmetric Veselago lenses (AVLs) can be created from ballistic $p$-$n$ and $n$-$p$-$n$ homojunctions of uniaxially strained graphene. This atypical converging electron flow emerges by applying uniaxial tension out of the device's symmetry axes. A part of electron flow needs to be positively refracted for focusing in an asymmetric spot, whose location is tunable with the strain. In AVLs, Klein tunneling is angularly shifted regards to the normal incidence. This perfect transmission occurs at the straight line that connects the point source and focus, which is unaffected by variation of the Fer"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05749","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":"1807.05749","created_at":"2026-05-17T23:59:07.967291+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.05749v1","created_at":"2026-05-17T23:59:07.967291+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.05749","created_at":"2026-05-17T23:59:07.967291+00:00"},{"alias_kind":"pith_short_12","alias_value":"JDFXPJWLE4X5","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_16","alias_value":"JDFXPJWLE4X5KCCT","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_8","alias_value":"JDFXPJWL","created_at":"2026-05-18T12:32:31.084164+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/JDFXPJWLE4X5KCCTTO7T4EUGTB","json":"https://pith.science/pith/JDFXPJWLE4X5KCCTTO7T4EUGTB.json","graph_json":"https://pith.science/api/pith-number/JDFXPJWLE4X5KCCTTO7T4EUGTB/graph.json","events_json":"https://pith.science/api/pith-number/JDFXPJWLE4X5KCCTTO7T4EUGTB/events.json","paper":"https://pith.science/paper/JDFXPJWL"},"agent_actions":{"view_html":"https://pith.science/pith/JDFXPJWLE4X5KCCTTO7T4EUGTB","download_json":"https://pith.science/pith/JDFXPJWLE4X5KCCTTO7T4EUGTB.json","view_paper":"https://pith.science/paper/JDFXPJWL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.05749&json=true","fetch_graph":"https://pith.science/api/pith-number/JDFXPJWLE4X5KCCTTO7T4EUGTB/graph.json","fetch_events":"https://pith.science/api/pith-number/JDFXPJWLE4X5KCCTTO7T4EUGTB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JDFXPJWLE4X5KCCTTO7T4EUGTB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JDFXPJWLE4X5KCCTTO7T4EUGTB/action/storage_attestation","attest_author":"https://pith.science/pith/JDFXPJWLE4X5KCCTTO7T4EUGTB/action/author_attestation","sign_citation":"https://pith.science/pith/JDFXPJWLE4X5KCCTTO7T4EUGTB/action/citation_signature","submit_replication":"https://pith.science/pith/JDFXPJWLE4X5KCCTTO7T4EUGTB/action/replication_record"}},"created_at":"2026-05-17T23:59:07.967291+00:00","updated_at":"2026-05-17T23:59:07.967291+00:00"}