{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:DHIL6RWISZFRXR7SJ2JMLSYT5B","short_pith_number":"pith:DHIL6RWI","canonical_record":{"source":{"id":"1311.0838","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-04T20:35:44Z","cross_cats_sorted":[],"title_canon_sha256":"07dbdd3eefaac03702a950079cf91d2c16cae90dc59e212eeaea782c5c2c04cf","abstract_canon_sha256":"b94b5805b645579829b1bb22c6ec00e9b3a316eafb9944172f3c85badc756ea1"},"schema_version":"1.0"},"canonical_sha256":"19d0bf46c8964b1bc7f24e92c5cb13e85d0d1d91fed9aeb962b60fe070aad3f5","source":{"kind":"arxiv","id":"1311.0838","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.0838","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"arxiv_version","alias_value":"1311.0838v1","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0838","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"pith_short_12","alias_value":"DHIL6RWISZFR","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"DHIL6RWISZFRXR7S","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"DHIL6RWI","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:DHIL6RWISZFRXR7SJ2JMLSYT5B","target":"record","payload":{"canonical_record":{"source":{"id":"1311.0838","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-04T20:35:44Z","cross_cats_sorted":[],"title_canon_sha256":"07dbdd3eefaac03702a950079cf91d2c16cae90dc59e212eeaea782c5c2c04cf","abstract_canon_sha256":"b94b5805b645579829b1bb22c6ec00e9b3a316eafb9944172f3c85badc756ea1"},"schema_version":"1.0"},"canonical_sha256":"19d0bf46c8964b1bc7f24e92c5cb13e85d0d1d91fed9aeb962b60fe070aad3f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:08:04.722902Z","signature_b64":"SC3eChErTQNgSSVQxDezR87fa5G2S7idGuQkb7MmLrDG5UQ+olmJHgd374+/wXDjIqD6Gxt5RUpmoPOrbiQ7CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19d0bf46c8964b1bc7f24e92c5cb13e85d0d1d91fed9aeb962b60fe070aad3f5","last_reissued_at":"2026-05-18T03:08:04.722243Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:08:04.722243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.0838","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":"2026-05-18T03:08:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R0GPRPS+PND9+2Do8SZI8CaJWw6aNgnxTOsGb9WKN1LvzM3oP0zaD4Ai6PZP7nbm+v9CPI/+lX7ek+1GZy3WDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:15:40.149892Z"},"content_sha256":"a92f56741a4186c9d05bafa6e6d83c6e074c4a131f55df7da4d07363ce43fe36","schema_version":"1.0","event_id":"sha256:a92f56741a4186c9d05bafa6e6d83c6e074c4a131f55df7da4d07363ce43fe36"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:DHIL6RWISZFRXR7SJ2JMLSYT5B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron Energy Loss Function of Silicene and Germanene Multilayers on Silver","license":"http://creativecommons.org/licenses/publicdomain/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"L. Rast, V.K. Tewary","submitted_at":"2013-11-04T20:35:44Z","abstract_excerpt":"We calculate electron energy loss spectra (EELS) for composite plasmonic structures based on silicene and germanene. A continued-fraction expression for the effective dielectric function is used to perform multiscale calculations of EELS for both silicene and germanene-based structures on silver substrates. A distinctive change in plasmonic response occurs for structures with a germanene or silicene surface coating of more than three layers. These differences may be exploited using spectroscopic characterization in order to determine if a few-layer coating has been successfully fabricated."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0838","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":"2026-05-18T03:08:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KXDVi4uwDNguFkr+6ya2Va8+TKxgEHVq9fGgMntnN5WNBta9tpPHJIvqvWXtGhch3PprefOTZBZOcrCA+8YkAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:15:40.150229Z"},"content_sha256":"555d400e54aec3137b7868c6413c7ac56f35ac5032d58b01d166880089b3de5f","schema_version":"1.0","event_id":"sha256:555d400e54aec3137b7868c6413c7ac56f35ac5032d58b01d166880089b3de5f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DHIL6RWISZFRXR7SJ2JMLSYT5B/bundle.json","state_url":"https://pith.science/pith/DHIL6RWISZFRXR7SJ2JMLSYT5B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DHIL6RWISZFRXR7SJ2JMLSYT5B/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":"2026-05-30T14:15:40Z","links":{"resolver":"https://pith.science/pith/DHIL6RWISZFRXR7SJ2JMLSYT5B","bundle":"https://pith.science/pith/DHIL6RWISZFRXR7SJ2JMLSYT5B/bundle.json","state":"https://pith.science/pith/DHIL6RWISZFRXR7SJ2JMLSYT5B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DHIL6RWISZFRXR7SJ2JMLSYT5B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:DHIL6RWISZFRXR7SJ2JMLSYT5B","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":"b94b5805b645579829b1bb22c6ec00e9b3a316eafb9944172f3c85badc756ea1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-04T20:35:44Z","title_canon_sha256":"07dbdd3eefaac03702a950079cf91d2c16cae90dc59e212eeaea782c5c2c04cf"},"schema_version":"1.0","source":{"id":"1311.0838","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.0838","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"arxiv_version","alias_value":"1311.0838v1","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0838","created_at":"2026-05-18T03:08:04Z"},{"alias_kind":"pith_short_12","alias_value":"DHIL6RWISZFR","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"DHIL6RWISZFRXR7S","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"DHIL6RWI","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:555d400e54aec3137b7868c6413c7ac56f35ac5032d58b01d166880089b3de5f","target":"graph","created_at":"2026-05-18T03:08:04Z","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 calculate electron energy loss spectra (EELS) for composite plasmonic structures based on silicene and germanene. A continued-fraction expression for the effective dielectric function is used to perform multiscale calculations of EELS for both silicene and germanene-based structures on silver substrates. A distinctive change in plasmonic response occurs for structures with a germanene or silicene surface coating of more than three layers. These differences may be exploited using spectroscopic characterization in order to determine if a few-layer coating has been successfully fabricated.","authors_text":"L. Rast, V.K. Tewary","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-04T20:35:44Z","title":"Electron Energy Loss Function of Silicene and Germanene Multilayers on Silver"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0838","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:a92f56741a4186c9d05bafa6e6d83c6e074c4a131f55df7da4d07363ce43fe36","target":"record","created_at":"2026-05-18T03:08:04Z","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":"b94b5805b645579829b1bb22c6ec00e9b3a316eafb9944172f3c85badc756ea1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-04T20:35:44Z","title_canon_sha256":"07dbdd3eefaac03702a950079cf91d2c16cae90dc59e212eeaea782c5c2c04cf"},"schema_version":"1.0","source":{"id":"1311.0838","kind":"arxiv","version":1}},"canonical_sha256":"19d0bf46c8964b1bc7f24e92c5cb13e85d0d1d91fed9aeb962b60fe070aad3f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19d0bf46c8964b1bc7f24e92c5cb13e85d0d1d91fed9aeb962b60fe070aad3f5","first_computed_at":"2026-05-18T03:08:04.722243Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:08:04.722243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SC3eChErTQNgSSVQxDezR87fa5G2S7idGuQkb7MmLrDG5UQ+olmJHgd374+/wXDjIqD6Gxt5RUpmoPOrbiQ7CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:08:04.722902Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.0838","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a92f56741a4186c9d05bafa6e6d83c6e074c4a131f55df7da4d07363ce43fe36","sha256:555d400e54aec3137b7868c6413c7ac56f35ac5032d58b01d166880089b3de5f"],"state_sha256":"5cd313400fb87b4c77b7a85d9c08c741183e4979cd0d3b19128421d0677f7fa1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SX1pjwpSEOt7Xynyh+QzdifQq0agzp/W4/UAUq5h8wT/xdgShOfvHNRArWTkCzjBJ1bPAqpKi48XzLeIwYxhBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T14:15:40.152291Z","bundle_sha256":"0b5c5f59e43120397c325e43be26ca973b8bf3f244af3808bab5bf7b430ab03d"}}