{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:BMQ5CQR63PXH7J4PSRHTRWVTZ5","short_pith_number":"pith:BMQ5CQR6","canonical_record":{"source":{"id":"1101.5929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-01-31T12:10:33Z","cross_cats_sorted":[],"title_canon_sha256":"d032ead7ba6170591e8dca14c492486ee584c5f3c5665a733dfa5cfbeead1d27","abstract_canon_sha256":"d187f72da3839638a41feb37ae5ce8bb463423a937e9aee382f3dfd8543bd6fb"},"schema_version":"1.0"},"canonical_sha256":"0b21d1423edbee7fa78f944f38dab3cf6b3c517cbaad41f3ed926f337549bd1c","source":{"kind":"arxiv","id":"1101.5929","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.5929","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"arxiv_version","alias_value":"1101.5929v1","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5929","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"pith_short_12","alias_value":"BMQ5CQR63PXH","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BMQ5CQR63PXH7J4P","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BMQ5CQR6","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:BMQ5CQR63PXH7J4PSRHTRWVTZ5","target":"record","payload":{"canonical_record":{"source":{"id":"1101.5929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-01-31T12:10:33Z","cross_cats_sorted":[],"title_canon_sha256":"d032ead7ba6170591e8dca14c492486ee584c5f3c5665a733dfa5cfbeead1d27","abstract_canon_sha256":"d187f72da3839638a41feb37ae5ce8bb463423a937e9aee382f3dfd8543bd6fb"},"schema_version":"1.0"},"canonical_sha256":"0b21d1423edbee7fa78f944f38dab3cf6b3c517cbaad41f3ed926f337549bd1c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:20.106238Z","signature_b64":"XIDOv3BHgjbrBPU0mkxHEgX/33TDG8Hla7mNVEPbKRG/SvRXp6W1KkR+YAuvZAyOe+sxqN/73Nd0UE5qQeiUCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b21d1423edbee7fa78f944f38dab3cf6b3c517cbaad41f3ed926f337549bd1c","last_reissued_at":"2026-05-18T02:03:20.105692Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:20.105692Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.5929","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":"2026-05-18T02:03:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WUBcDuxMB5blgrXLnTLrEqcuW3v9FjGlwbvVmA2oYnb8d7gRj+EDEQtKkQzqvVO37uvJLaQ5udQ2W94Xek/DAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:21:57.928035Z"},"content_sha256":"1abefea2ead300b7196cc48466fbcafab6f1a230d64f83d6d09f0a4c15fcb88c","schema_version":"1.0","event_id":"sha256:1abefea2ead300b7196cc48466fbcafab6f1a230d64f83d6d09f0a4c15fcb88c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:BMQ5CQR63PXH7J4PSRHTRWVTZ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An efficient method for quantum transport simulations in the time domain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"C.-Y. Yam, G.H. Chen, T.A. Niehaus, Th. Frauenheim, Y. Wang","submitted_at":"2011-01-31T12:10:33Z","abstract_excerpt":"An approximate method based on adiabatic time dependent density functional theory (TDDFT) is presented, that allows for the description of the electron dynamics in nanoscale junctions under arbitrary time dependent external potentials. In this scheme, the density matrix of the device region is propagated according to the Liouville-von Neumann equation. The semi-infinite leads give rise to dissipative terms in the equation of motion which are calculated from first principles in the wide band limit. In contrast to earlier {\\em ab-initio} implementations of this formalism, the Hamiltonian is here"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5929","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":"2026-05-18T02:03:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tgod6YnInCtdR9LWTtNWI5D8XFZPdlS1lBLG9/epwJHDOwzTC5ZRo7OVuBeyK5gtsc8YK6Tps+f+odpSgmFUCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:21:57.929014Z"},"content_sha256":"9eb0ba9e3b67e697e5c4b6b649a8344e3bf6d27e1b2942937d709c7e69a2e3ea","schema_version":"1.0","event_id":"sha256:9eb0ba9e3b67e697e5c4b6b649a8344e3bf6d27e1b2942937d709c7e69a2e3ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BMQ5CQR63PXH7J4PSRHTRWVTZ5/bundle.json","state_url":"https://pith.science/pith/BMQ5CQR63PXH7J4PSRHTRWVTZ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BMQ5CQR63PXH7J4PSRHTRWVTZ5/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":"2026-05-30T13:21:57Z","links":{"resolver":"https://pith.science/pith/BMQ5CQR63PXH7J4PSRHTRWVTZ5","bundle":"https://pith.science/pith/BMQ5CQR63PXH7J4PSRHTRWVTZ5/bundle.json","state":"https://pith.science/pith/BMQ5CQR63PXH7J4PSRHTRWVTZ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BMQ5CQR63PXH7J4PSRHTRWVTZ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BMQ5CQR63PXH7J4PSRHTRWVTZ5","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":"d187f72da3839638a41feb37ae5ce8bb463423a937e9aee382f3dfd8543bd6fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-01-31T12:10:33Z","title_canon_sha256":"d032ead7ba6170591e8dca14c492486ee584c5f3c5665a733dfa5cfbeead1d27"},"schema_version":"1.0","source":{"id":"1101.5929","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.5929","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"arxiv_version","alias_value":"1101.5929v1","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5929","created_at":"2026-05-18T02:03:20Z"},{"alias_kind":"pith_short_12","alias_value":"BMQ5CQR63PXH","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BMQ5CQR63PXH7J4P","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BMQ5CQR6","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:9eb0ba9e3b67e697e5c4b6b649a8344e3bf6d27e1b2942937d709c7e69a2e3ea","target":"graph","created_at":"2026-05-18T02:03:20Z","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":"An approximate method based on adiabatic time dependent density functional theory (TDDFT) is presented, that allows for the description of the electron dynamics in nanoscale junctions under arbitrary time dependent external potentials. In this scheme, the density matrix of the device region is propagated according to the Liouville-von Neumann equation. The semi-infinite leads give rise to dissipative terms in the equation of motion which are calculated from first principles in the wide band limit. In contrast to earlier {\\em ab-initio} implementations of this formalism, the Hamiltonian is here","authors_text":"C.-Y. Yam, G.H. Chen, T.A. Niehaus, Th. Frauenheim, Y. Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-01-31T12:10:33Z","title":"An efficient method for quantum transport simulations in the time domain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5929","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":"sha256:1abefea2ead300b7196cc48466fbcafab6f1a230d64f83d6d09f0a4c15fcb88c","target":"record","created_at":"2026-05-18T02:03:20Z","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":"d187f72da3839638a41feb37ae5ce8bb463423a937e9aee382f3dfd8543bd6fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-01-31T12:10:33Z","title_canon_sha256":"d032ead7ba6170591e8dca14c492486ee584c5f3c5665a733dfa5cfbeead1d27"},"schema_version":"1.0","source":{"id":"1101.5929","kind":"arxiv","version":1}},"canonical_sha256":"0b21d1423edbee7fa78f944f38dab3cf6b3c517cbaad41f3ed926f337549bd1c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b21d1423edbee7fa78f944f38dab3cf6b3c517cbaad41f3ed926f337549bd1c","first_computed_at":"2026-05-18T02:03:20.105692Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:20.105692Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XIDOv3BHgjbrBPU0mkxHEgX/33TDG8Hla7mNVEPbKRG/SvRXp6W1KkR+YAuvZAyOe+sxqN/73Nd0UE5qQeiUCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:20.106238Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.5929","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1abefea2ead300b7196cc48466fbcafab6f1a230d64f83d6d09f0a4c15fcb88c","sha256:9eb0ba9e3b67e697e5c4b6b649a8344e3bf6d27e1b2942937d709c7e69a2e3ea"],"state_sha256":"bea690ac285d84f60db153af63bc6cd6d437ac5bb07980bbaf1642efe67d27ce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6nY9OdBVFj7BngZjQX2g9zFTfqVGNGIuyJAd3MBOQAdqEF3qK8oULDhI6cjUqRyLoV4N7KYwxXOIFWB0ApjJCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T13:21:57.931987Z","bundle_sha256":"c2f89f2be5ad0bedbec0bc13f9a530398a9c810c44aab37ca3f4427fd3a9d9bc"}}