{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:5LDP4Y3TBKCBXJRP7IVE55VU7R","short_pith_number":"pith:5LDP4Y3T","canonical_record":{"source":{"id":"1209.4593","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-09-19T14:39:20Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"b015ce0af5e30380ab8ea1a0d633e0fc18b5ea7a5ba630ae39cc84220a735b48","abstract_canon_sha256":"b70c5c89ac97bb85d4c177bbe81ad7d76375fc36d1cbc094e6bd141ce88a19c5"},"schema_version":"1.0"},"canonical_sha256":"eac6fe63730a841ba62ffa2a4ef6b4fc7cf7dcd6266b64b6edca6165302dd4f5","source":{"kind":"arxiv","id":"1209.4593","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.4593","created_at":"2026-05-18T03:45:11Z"},{"alias_kind":"arxiv_version","alias_value":"1209.4593v1","created_at":"2026-05-18T03:45:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.4593","created_at":"2026-05-18T03:45:11Z"},{"alias_kind":"pith_short_12","alias_value":"5LDP4Y3TBKCB","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5LDP4Y3TBKCBXJRP","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5LDP4Y3T","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:5LDP4Y3TBKCBXJRP7IVE55VU7R","target":"record","payload":{"canonical_record":{"source":{"id":"1209.4593","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-09-19T14:39:20Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"b015ce0af5e30380ab8ea1a0d633e0fc18b5ea7a5ba630ae39cc84220a735b48","abstract_canon_sha256":"b70c5c89ac97bb85d4c177bbe81ad7d76375fc36d1cbc094e6bd141ce88a19c5"},"schema_version":"1.0"},"canonical_sha256":"eac6fe63730a841ba62ffa2a4ef6b4fc7cf7dcd6266b64b6edca6165302dd4f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:45:11.229894Z","signature_b64":"gHfbskKCM27a4B8G8wqROHJvMcsuYB4CqW+72TVP3z/v/1BgMGlSC0ovFAFQGrzI0c/PDCKsPYf1an8BK/xmDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eac6fe63730a841ba62ffa2a4ef6b4fc7cf7dcd6266b64b6edca6165302dd4f5","last_reissued_at":"2026-05-18T03:45:11.229241Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:45:11.229241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.4593","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":"2026-05-18T03:45:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YuSA2y/PIuy0QIyYAHK7EPVnj2lRW2dunWEIpFqkT+YyfhxP5gQasaLrbTNIRUcHEKEN7o/R6MuRTcw9JBcbCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T18:58:24.937191Z"},"content_sha256":"a0c1036263400356d4819e662e9c61bba429c5a43e0035f3f915630dc8242cd0","schema_version":"1.0","event_id":"sha256:a0c1036263400356d4819e662e9c61bba429c5a43e0035f3f915630dc8242cd0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:5LDP4Y3TBKCBXJRP7IVE55VU7R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thin films versus 2D sheets in layered structures: graphene and 2D metallic sheets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Bo E. Sernelius","submitted_at":"2012-09-19T14:39:20Z","abstract_excerpt":"We study an interface between two media separated by a strictly 2D sheet. We show how the amplitude reflection coefficient can be modeled by that for an interface where the 2D sheet has been replaced by a film of small but finite thickness. We give the relationship between the 3D dielectric function of the thin film and the 2D dielectric function of the sheet. We choose graphene and a 2D metallic sheet as illustrative examples. This approach turns out to be very useful when treating graphene or graphene like sheets in non-planar structures"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.4593","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":"2026-05-18T03:45:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"654wyHBTLQSOa0cj87lDu9mYT5GELz+gh0aRNCiUJ+gfYYYEuYnSjK5Vj+a1xyAuhZn2DL8Y9kN7m6vdC7i/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T18:58:24.937551Z"},"content_sha256":"108b201d53b527edb830a9e785df79ea5bd666395d2334e4c19294cc1d9a92fb","schema_version":"1.0","event_id":"sha256:108b201d53b527edb830a9e785df79ea5bd666395d2334e4c19294cc1d9a92fb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5LDP4Y3TBKCBXJRP7IVE55VU7R/bundle.json","state_url":"https://pith.science/pith/5LDP4Y3TBKCBXJRP7IVE55VU7R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5LDP4Y3TBKCBXJRP7IVE55VU7R/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":"2026-05-20T18:58:24Z","links":{"resolver":"https://pith.science/pith/5LDP4Y3TBKCBXJRP7IVE55VU7R","bundle":"https://pith.science/pith/5LDP4Y3TBKCBXJRP7IVE55VU7R/bundle.json","state":"https://pith.science/pith/5LDP4Y3TBKCBXJRP7IVE55VU7R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5LDP4Y3TBKCBXJRP7IVE55VU7R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:5LDP4Y3TBKCBXJRP7IVE55VU7R","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":"b70c5c89ac97bb85d4c177bbe81ad7d76375fc36d1cbc094e6bd141ce88a19c5","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-09-19T14:39:20Z","title_canon_sha256":"b015ce0af5e30380ab8ea1a0d633e0fc18b5ea7a5ba630ae39cc84220a735b48"},"schema_version":"1.0","source":{"id":"1209.4593","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.4593","created_at":"2026-05-18T03:45:11Z"},{"alias_kind":"arxiv_version","alias_value":"1209.4593v1","created_at":"2026-05-18T03:45:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.4593","created_at":"2026-05-18T03:45:11Z"},{"alias_kind":"pith_short_12","alias_value":"5LDP4Y3TBKCB","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5LDP4Y3TBKCBXJRP","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5LDP4Y3T","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:108b201d53b527edb830a9e785df79ea5bd666395d2334e4c19294cc1d9a92fb","target":"graph","created_at":"2026-05-18T03:45:11Z","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 study an interface between two media separated by a strictly 2D sheet. We show how the amplitude reflection coefficient can be modeled by that for an interface where the 2D sheet has been replaced by a film of small but finite thickness. We give the relationship between the 3D dielectric function of the thin film and the 2D dielectric function of the sheet. We choose graphene and a 2D metallic sheet as illustrative examples. This approach turns out to be very useful when treating graphene or graphene like sheets in non-planar structures","authors_text":"Bo E. Sernelius","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-09-19T14:39:20Z","title":"Thin films versus 2D sheets in layered structures: graphene and 2D metallic sheets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.4593","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:a0c1036263400356d4819e662e9c61bba429c5a43e0035f3f915630dc8242cd0","target":"record","created_at":"2026-05-18T03:45:11Z","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":"b70c5c89ac97bb85d4c177bbe81ad7d76375fc36d1cbc094e6bd141ce88a19c5","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-09-19T14:39:20Z","title_canon_sha256":"b015ce0af5e30380ab8ea1a0d633e0fc18b5ea7a5ba630ae39cc84220a735b48"},"schema_version":"1.0","source":{"id":"1209.4593","kind":"arxiv","version":1}},"canonical_sha256":"eac6fe63730a841ba62ffa2a4ef6b4fc7cf7dcd6266b64b6edca6165302dd4f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eac6fe63730a841ba62ffa2a4ef6b4fc7cf7dcd6266b64b6edca6165302dd4f5","first_computed_at":"2026-05-18T03:45:11.229241Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:45:11.229241Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gHfbskKCM27a4B8G8wqROHJvMcsuYB4CqW+72TVP3z/v/1BgMGlSC0ovFAFQGrzI0c/PDCKsPYf1an8BK/xmDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:45:11.229894Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.4593","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0c1036263400356d4819e662e9c61bba429c5a43e0035f3f915630dc8242cd0","sha256:108b201d53b527edb830a9e785df79ea5bd666395d2334e4c19294cc1d9a92fb"],"state_sha256":"79b0e2452308ca72dcc914f8158cd5c53b121f2ec6bf1d208670deed3c4810eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0mcCbDW2Cg33r4+1NCaENWgW99pr1Lu3xPmDwd/IsRmA0HfiXGH10Gn2KSjCtRH0nr+cHeaCYjcN2x/nNqzeBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T18:58:24.939469Z","bundle_sha256":"a630b188e4aecacf768e338f26287ce7236deec08d6775fdb1aa301dc392d1e2"}}