{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:GSMOADI5V7ULDKSQ4RSBRF26HB","short_pith_number":"pith:GSMOADI5","canonical_record":{"source":{"id":"1302.4473","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-18T22:28:46Z","cross_cats_sorted":[],"title_canon_sha256":"8f73b5d24d5bd2deead50a367f736c27af3323a3a389c331d01de01a656e4e18","abstract_canon_sha256":"c13cd37adadd29afa1e6d99f87778e196956f9a8398b9e9c0aa8992b4b7e2791"},"schema_version":"1.0"},"canonical_sha256":"3498e00d1dafe8b1aa50e46418975e3864f9fc65b157cb16a1a49d2ca67af56a","source":{"kind":"arxiv","id":"1302.4473","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4473","created_at":"2026-05-18T03:19:34Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4473v1","created_at":"2026-05-18T03:19:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4473","created_at":"2026-05-18T03:19:34Z"},{"alias_kind":"pith_short_12","alias_value":"GSMOADI5V7UL","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GSMOADI5V7ULDKSQ","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GSMOADI5","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:GSMOADI5V7ULDKSQ4RSBRF26HB","target":"record","payload":{"canonical_record":{"source":{"id":"1302.4473","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-18T22:28:46Z","cross_cats_sorted":[],"title_canon_sha256":"8f73b5d24d5bd2deead50a367f736c27af3323a3a389c331d01de01a656e4e18","abstract_canon_sha256":"c13cd37adadd29afa1e6d99f87778e196956f9a8398b9e9c0aa8992b4b7e2791"},"schema_version":"1.0"},"canonical_sha256":"3498e00d1dafe8b1aa50e46418975e3864f9fc65b157cb16a1a49d2ca67af56a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:19:34.904859Z","signature_b64":"v07a27z0z8XTBfI2kg2b6C8tv95uyC03H5gAxXMx48tUpoKroyPT7BUZpTXtINWh4sXqqhQdlYAzyyWaYQJBDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3498e00d1dafe8b1aa50e46418975e3864f9fc65b157cb16a1a49d2ca67af56a","last_reissued_at":"2026-05-18T03:19:34.904390Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:19:34.904390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.4473","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:19:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I7YKWBProzhpMMyW0S0+A0zLpoCrB/CrBBRxypbXYxm/qDKqSodWAZo33JR6z8yrzN2HkyZbIXwQDcW1QhvcBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:23:43.373772Z"},"content_sha256":"6737d353a61d29c22a0b115c45b31bbe06979c246f0389d2baf8d864fd0b107f","schema_version":"1.0","event_id":"sha256:6737d353a61d29c22a0b115c45b31bbe06979c246f0389d2baf8d864fd0b107f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:GSMOADI5V7ULDKSQ4RSBRF26HB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Atomistic deconstruction of current flow in graphene based hetero-junctions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Avik W. Ghosh, Carlos Polanco, Redwan N. Sajjad","submitted_at":"2013-02-18T22:28:46Z","abstract_excerpt":"We describe the numerical modeling of current flow in graphene heterojunctions, within the Keldysh Landauer Non-equilibrium Green's function (NEGF) formalism. By implementing a $k$-space approach along the transverse modes, coupled with partial matrix inversion using the Recursive Green's function Algorithm (RGFA), we can simulate on an atomistic scale current flow across devices approaching experimental dimensions. We use the numerical platform to deconstruct current flow in graphene, compare with experimental results on conductance, conductivity and quantum Hall, and deconstruct the physics "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4473","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:19:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dfi9fu/JXnkGny/tbT/lqos4qihP8ilJxXnf6V9XfUg/LkjTAU2PKsvOKWgOMVZ/LvSWAseKZ54wkgSNEpucAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:23:43.374454Z"},"content_sha256":"47b520dcbd2e85d37288f5fd43546623aa49d6d46d7f0e2576d8aee421b6b5e0","schema_version":"1.0","event_id":"sha256:47b520dcbd2e85d37288f5fd43546623aa49d6d46d7f0e2576d8aee421b6b5e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GSMOADI5V7ULDKSQ4RSBRF26HB/bundle.json","state_url":"https://pith.science/pith/GSMOADI5V7ULDKSQ4RSBRF26HB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GSMOADI5V7ULDKSQ4RSBRF26HB/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-31T05:23:43Z","links":{"resolver":"https://pith.science/pith/GSMOADI5V7ULDKSQ4RSBRF26HB","bundle":"https://pith.science/pith/GSMOADI5V7ULDKSQ4RSBRF26HB/bundle.json","state":"https://pith.science/pith/GSMOADI5V7ULDKSQ4RSBRF26HB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GSMOADI5V7ULDKSQ4RSBRF26HB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GSMOADI5V7ULDKSQ4RSBRF26HB","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":"c13cd37adadd29afa1e6d99f87778e196956f9a8398b9e9c0aa8992b4b7e2791","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-18T22:28:46Z","title_canon_sha256":"8f73b5d24d5bd2deead50a367f736c27af3323a3a389c331d01de01a656e4e18"},"schema_version":"1.0","source":{"id":"1302.4473","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4473","created_at":"2026-05-18T03:19:34Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4473v1","created_at":"2026-05-18T03:19:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4473","created_at":"2026-05-18T03:19:34Z"},{"alias_kind":"pith_short_12","alias_value":"GSMOADI5V7UL","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GSMOADI5V7ULDKSQ","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GSMOADI5","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:47b520dcbd2e85d37288f5fd43546623aa49d6d46d7f0e2576d8aee421b6b5e0","target":"graph","created_at":"2026-05-18T03:19:34Z","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":"We describe the numerical modeling of current flow in graphene heterojunctions, within the Keldysh Landauer Non-equilibrium Green's function (NEGF) formalism. By implementing a $k$-space approach along the transverse modes, coupled with partial matrix inversion using the Recursive Green's function Algorithm (RGFA), we can simulate on an atomistic scale current flow across devices approaching experimental dimensions. We use the numerical platform to deconstruct current flow in graphene, compare with experimental results on conductance, conductivity and quantum Hall, and deconstruct the physics ","authors_text":"Avik W. Ghosh, Carlos Polanco, Redwan N. Sajjad","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-18T22:28:46Z","title":"Atomistic deconstruction of current flow in graphene based hetero-junctions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4473","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":"sha256:6737d353a61d29c22a0b115c45b31bbe06979c246f0389d2baf8d864fd0b107f","target":"record","created_at":"2026-05-18T03:19:34Z","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":"c13cd37adadd29afa1e6d99f87778e196956f9a8398b9e9c0aa8992b4b7e2791","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-18T22:28:46Z","title_canon_sha256":"8f73b5d24d5bd2deead50a367f736c27af3323a3a389c331d01de01a656e4e18"},"schema_version":"1.0","source":{"id":"1302.4473","kind":"arxiv","version":1}},"canonical_sha256":"3498e00d1dafe8b1aa50e46418975e3864f9fc65b157cb16a1a49d2ca67af56a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3498e00d1dafe8b1aa50e46418975e3864f9fc65b157cb16a1a49d2ca67af56a","first_computed_at":"2026-05-18T03:19:34.904390Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:19:34.904390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v07a27z0z8XTBfI2kg2b6C8tv95uyC03H5gAxXMx48tUpoKroyPT7BUZpTXtINWh4sXqqhQdlYAzyyWaYQJBDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:19:34.904859Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.4473","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6737d353a61d29c22a0b115c45b31bbe06979c246f0389d2baf8d864fd0b107f","sha256:47b520dcbd2e85d37288f5fd43546623aa49d6d46d7f0e2576d8aee421b6b5e0"],"state_sha256":"a240fbf8a4aae773c76fbd29060691118c7ef7bed1bb9e2bed92f7758acd27ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LGWMwH+76Dxq1qC+P2r2Av6HsTG/vum+dvvh1jLgvXSseFf7KOJsZ5kJYR8uoNvRlcm4cdIvE6K2VuaOBs46BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T05:23:43.378147Z","bundle_sha256":"d96d8e6c80748fe78a5efde8ed512f41968a40bc7aa741e02a51d2acf2591cf5"}}