{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:UARKUGH6Q3ELN4OO3VLFCLJV5X","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":"004eed56a8bbf73639040591b1a5eabf02fe371ffc3c99c94f1de56a6f09aabc","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2022-09-09T11:53:09Z","title_canon_sha256":"531c39e1d975ec86ac061b275d0027034e98fe3599211a018b41cac70822128e"},"schema_version":"1.0","source":{"id":"2209.04263","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.04263","created_at":"2026-07-05T04:55:57Z"},{"alias_kind":"arxiv_version","alias_value":"2209.04263v1","created_at":"2026-07-05T04:55:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.04263","created_at":"2026-07-05T04:55:57Z"},{"alias_kind":"pith_short_12","alias_value":"UARKUGH6Q3EL","created_at":"2026-07-05T04:55:57Z"},{"alias_kind":"pith_short_16","alias_value":"UARKUGH6Q3ELN4OO","created_at":"2026-07-05T04:55:57Z"},{"alias_kind":"pith_short_8","alias_value":"UARKUGH6","created_at":"2026-07-05T04:55:57Z"}],"graph_snapshots":[{"event_id":"sha256:3b601bb00f5a6ef8d6e92436f7c8ddd30429e86e0d019cb5d848c056b59c5abd","target":"graph","created_at":"2026-07-05T04:55:57Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2209.04263/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Efficient modeling of dispersive materials via time-domain simulations of the Maxwell equations relies on the technique of auxiliary differential equations. In this approach, a material's frequency-dependent permittivity is represented via a sum of rational functions, e.g. Lorentz-poles, and the associated free parameters are determined by fitting to experimental data. In the present work, we present a modified approach for plasmonic materials that requires considerably fewer fit parameters than traditional approaches. Specifically, we consider the underlying microscopic theory and, in the fre","authors_text":"Dan-Nha Huynh, Francesco Intravaia, Gino Wegner, Kurt Busch, Max Pfeifer, Ulf Peschel","cross_cats":["physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2022-09-09T11:53:09Z","title":"Time-domain modeling of interband transitions in plasmonic systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.04263","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:c1c3565a97e20bef34eeb19072541704d2ee39597a96345ba5c7c8288f7ad77c","target":"record","created_at":"2026-07-05T04:55:57Z","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":"004eed56a8bbf73639040591b1a5eabf02fe371ffc3c99c94f1de56a6f09aabc","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2022-09-09T11:53:09Z","title_canon_sha256":"531c39e1d975ec86ac061b275d0027034e98fe3599211a018b41cac70822128e"},"schema_version":"1.0","source":{"id":"2209.04263","kind":"arxiv","version":1}},"canonical_sha256":"a022aa18fe86c8b6f1cedd56512d35edd4e2e330673a8664a68577feb65cec48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a022aa18fe86c8b6f1cedd56512d35edd4e2e330673a8664a68577feb65cec48","first_computed_at":"2026-07-05T04:55:57.644467Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:55:57.644467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bPzY9p8g8IJIhHs515tJBVwGRfqgCLuYT0ijVOTAiqa2qQFari/tLz1EALw9iOAsGzX4OF6Pm0vVVGdDIotsAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:55:57.644809Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.04263","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c1c3565a97e20bef34eeb19072541704d2ee39597a96345ba5c7c8288f7ad77c","sha256:3b601bb00f5a6ef8d6e92436f7c8ddd30429e86e0d019cb5d848c056b59c5abd"],"state_sha256":"c79666028be27b70a210c2bd75d8b9590d0cbfbdeac42d0b94040b65a80fdab5"}