{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:6ZKG4XINF73OHGBDRWEHBPD44J","short_pith_number":"pith:6ZKG4XIN","canonical_record":{"source":{"id":"1808.03442","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-08-10T07:56:44Z","cross_cats_sorted":[],"title_canon_sha256":"0a386ab89b9862270435e27d7bec5ba63f3e5dc9ece432c144961666d55be1b0","abstract_canon_sha256":"f6d61275e387cdc5c3d748b4473191c81d80382b35bcd196ec05d0d88a9e2d3d"},"schema_version":"1.0"},"canonical_sha256":"f6546e5d0d2ff6e398238d8870bc7ce2459da07cefd1d24de3d323ee5cd82ac0","source":{"kind":"arxiv","id":"1808.03442","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.03442","created_at":"2026-05-18T00:08:25Z"},{"alias_kind":"arxiv_version","alias_value":"1808.03442v1","created_at":"2026-05-18T00:08:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.03442","created_at":"2026-05-18T00:08:25Z"},{"alias_kind":"pith_short_12","alias_value":"6ZKG4XINF73O","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"6ZKG4XINF73OHGBD","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"6ZKG4XIN","created_at":"2026-05-18T12:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:6ZKG4XINF73OHGBDRWEHBPD44J","target":"record","payload":{"canonical_record":{"source":{"id":"1808.03442","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-08-10T07:56:44Z","cross_cats_sorted":[],"title_canon_sha256":"0a386ab89b9862270435e27d7bec5ba63f3e5dc9ece432c144961666d55be1b0","abstract_canon_sha256":"f6d61275e387cdc5c3d748b4473191c81d80382b35bcd196ec05d0d88a9e2d3d"},"schema_version":"1.0"},"canonical_sha256":"f6546e5d0d2ff6e398238d8870bc7ce2459da07cefd1d24de3d323ee5cd82ac0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:25.011841Z","signature_b64":"QNQivK/nqMCe/aIgQXd3u4lJcqFTfmCTu4xR+dvElE8UlT59OSzNQgui/93KRnuzFMVyO/88LtvQX9m4nndZDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6546e5d0d2ff6e398238d8870bc7ce2459da07cefd1d24de3d323ee5cd82ac0","last_reissued_at":"2026-05-18T00:08:25.011215Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:25.011215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.03442","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":"2026-05-18T00:08:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0AflCLBK8030uM3bLRLCd86rAwKvx9wknI+U8LExVy8x09RoWoVYnzZF+/l644s2oPWnLprJj5U+LHf24B/3Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T12:54:55.636250Z"},"content_sha256":"195cb71ef1465e322569746884b9f9054730525b813a5d07e2e0439645e43231","schema_version":"1.0","event_id":"sha256:195cb71ef1465e322569746884b9f9054730525b813a5d07e2e0439645e43231"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:6ZKG4XINF73OHGBDRWEHBPD44J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamical polarization and the optical response of silicene and related materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chen-Huan Wu","submitted_at":"2018-08-10T07:56:44Z","abstract_excerpt":"We discuss the dynamical polarization, optical response in low-frequency regime under in-plane polarized driving field of the silicene. The dynamical polarization, dielectric function, and absorption of radiation in infrared region are obtained and shown in the ${\\bf q}\\sim\\omega$ space, and they are distinguishing for the cases of chemical potential larger than the band gap and smaller than the band gap. The optical properties of silicene and the related group-V and group-VI materials: MoS$_{2}$ and black phosphorus are explored through the first-principle study. The plasmon which damped into"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.03442","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":"2026-05-18T00:08:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P9528kRDAgXpnxJbhMcceL7xwY75GEqHAu1wvbYn48s3XRupLbTkCSlNesACA1XyyZu1vfwE0emvOXSeUp/UBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T12:54:55.636611Z"},"content_sha256":"94dc9858cbae15d8a13f34af3927ec6225c92f16bc65338148b01f72ca6be401","schema_version":"1.0","event_id":"sha256:94dc9858cbae15d8a13f34af3927ec6225c92f16bc65338148b01f72ca6be401"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6ZKG4XINF73OHGBDRWEHBPD44J/bundle.json","state_url":"https://pith.science/pith/6ZKG4XINF73OHGBDRWEHBPD44J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6ZKG4XINF73OHGBDRWEHBPD44J/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":"2026-06-27T12:54:55Z","links":{"resolver":"https://pith.science/pith/6ZKG4XINF73OHGBDRWEHBPD44J","bundle":"https://pith.science/pith/6ZKG4XINF73OHGBDRWEHBPD44J/bundle.json","state":"https://pith.science/pith/6ZKG4XINF73OHGBDRWEHBPD44J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6ZKG4XINF73OHGBDRWEHBPD44J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:6ZKG4XINF73OHGBDRWEHBPD44J","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":"f6d61275e387cdc5c3d748b4473191c81d80382b35bcd196ec05d0d88a9e2d3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-08-10T07:56:44Z","title_canon_sha256":"0a386ab89b9862270435e27d7bec5ba63f3e5dc9ece432c144961666d55be1b0"},"schema_version":"1.0","source":{"id":"1808.03442","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.03442","created_at":"2026-05-18T00:08:25Z"},{"alias_kind":"arxiv_version","alias_value":"1808.03442v1","created_at":"2026-05-18T00:08:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.03442","created_at":"2026-05-18T00:08:25Z"},{"alias_kind":"pith_short_12","alias_value":"6ZKG4XINF73O","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"6ZKG4XINF73OHGBD","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"6ZKG4XIN","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:94dc9858cbae15d8a13f34af3927ec6225c92f16bc65338148b01f72ca6be401","target":"graph","created_at":"2026-05-18T00:08:25Z","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 discuss the dynamical polarization, optical response in low-frequency regime under in-plane polarized driving field of the silicene. The dynamical polarization, dielectric function, and absorption of radiation in infrared region are obtained and shown in the ${\\bf q}\\sim\\omega$ space, and they are distinguishing for the cases of chemical potential larger than the band gap and smaller than the band gap. The optical properties of silicene and the related group-V and group-VI materials: MoS$_{2}$ and black phosphorus are explored through the first-principle study. The plasmon which damped into","authors_text":"Chen-Huan Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-08-10T07:56:44Z","title":"Dynamical polarization and the optical response of silicene and related materials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.03442","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":"sha256:195cb71ef1465e322569746884b9f9054730525b813a5d07e2e0439645e43231","target":"record","created_at":"2026-05-18T00:08:25Z","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":"f6d61275e387cdc5c3d748b4473191c81d80382b35bcd196ec05d0d88a9e2d3d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-08-10T07:56:44Z","title_canon_sha256":"0a386ab89b9862270435e27d7bec5ba63f3e5dc9ece432c144961666d55be1b0"},"schema_version":"1.0","source":{"id":"1808.03442","kind":"arxiv","version":1}},"canonical_sha256":"f6546e5d0d2ff6e398238d8870bc7ce2459da07cefd1d24de3d323ee5cd82ac0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6546e5d0d2ff6e398238d8870bc7ce2459da07cefd1d24de3d323ee5cd82ac0","first_computed_at":"2026-05-18T00:08:25.011215Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:25.011215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QNQivK/nqMCe/aIgQXd3u4lJcqFTfmCTu4xR+dvElE8UlT59OSzNQgui/93KRnuzFMVyO/88LtvQX9m4nndZDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:25.011841Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.03442","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:195cb71ef1465e322569746884b9f9054730525b813a5d07e2e0439645e43231","sha256:94dc9858cbae15d8a13f34af3927ec6225c92f16bc65338148b01f72ca6be401"],"state_sha256":"6e9070186f967c6f313578a648d5d0368c8eb932036500b8382da17a95b2222c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6z2vUZB/GgnGnWtBxT0m1cTF3937HEfcRwpfyThuahbAdaVm1UkyXBmZYIoJ4SEHGTlR8EXBAXCj1/ugv8KTBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T12:54:55.638457Z","bundle_sha256":"cacd50f6fde1e7d9898bb8f8338ac239206d9ba7e3db1f294aa01ba28a1b52a9"}}