{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:A2KBJL3NUXP56UZ4N4CY2HG6MN","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":"e34cce8a16dab52121952efb807da5e4d571c752fee32bea245b975ca36b1a05","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-10-22T01:07:32Z","title_canon_sha256":"0424dbf9216287fa22947c3c84ecebcdd8f728677ae1e1002f86d3b7aecdfa1c"},"schema_version":"1.0","source":{"id":"1010.4602","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.4602","created_at":"2026-05-18T04:38:39Z"},{"alias_kind":"arxiv_version","alias_value":"1010.4602v2","created_at":"2026-05-18T04:38:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.4602","created_at":"2026-05-18T04:38:39Z"},{"alias_kind":"pith_short_12","alias_value":"A2KBJL3NUXP5","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"A2KBJL3NUXP56UZ4","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"A2KBJL3N","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:c0167220f1fab7f99e6ac6470883f823959bdcee1ff7567ca2d62c32a4e20a56","target":"graph","created_at":"2026-05-18T04:38:39Z","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 present a physical explanation of Zitterbewegung-like effect near the zero-refractive-index point in a metamaterial slab in this paper. Between the negative and positive refractive index regions centered at the zero-refractive-index point, the transmittance spectrum distribution of the metamaterial slab is asymmetrical. When a symmetrical pulse propagates through the metamaterial slab, its transmitted spectrum becomes asymmetrical due to the asymmetry of the transmittance spectrum of the slab, leading to a transmitted pulse with an asymmetrical temporal shape. The asymmetry manifests a kind","authors_text":"Dianyuan Fan, Hailu Luo, Huimin Dong, Shuangchun Wen, Xiaohui Ling, Zhaoming Luo, Zhixiang Tang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-10-22T01:07:32Z","title":"Zitterbewegung-like effect near the Dirac point in metamaterials and photonic crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.4602","kind":"arxiv","version":2},"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":"sha256:7d70e51bf3d25f6799e6ea1b256f1f174562e01bcbf6db0ed0c0237b4b6effd9","target":"record","created_at":"2026-05-18T04:38:39Z","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":"e34cce8a16dab52121952efb807da5e4d571c752fee32bea245b975ca36b1a05","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-10-22T01:07:32Z","title_canon_sha256":"0424dbf9216287fa22947c3c84ecebcdd8f728677ae1e1002f86d3b7aecdfa1c"},"schema_version":"1.0","source":{"id":"1010.4602","kind":"arxiv","version":2}},"canonical_sha256":"069414af6da5dfdf533c6f058d1cde635bbe03990cb19f75989eb2a269b1227b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"069414af6da5dfdf533c6f058d1cde635bbe03990cb19f75989eb2a269b1227b","first_computed_at":"2026-05-18T04:38:39.243203Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:38:39.243203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LBoqku+10a6n4xuebuVMOj7oEy+m54OWP7WCmq7xUSe+gz/1MGOZYM10IZ0dFpiT3BkthArKoBfgtukcb5SRBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:38:39.244035Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.4602","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d70e51bf3d25f6799e6ea1b256f1f174562e01bcbf6db0ed0c0237b4b6effd9","sha256:c0167220f1fab7f99e6ac6470883f823959bdcee1ff7567ca2d62c32a4e20a56"],"state_sha256":"d692de82670cb9f8e98c8db0739047e6deac0a4f4c2c8677f6b2be85064c19e4"}