{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:73ASG27D745WOPWV7CBMD4JLDT","short_pith_number":"pith:73ASG27D","canonical_record":{"source":{"id":"1509.02500","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-05T16:57:47Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"56fb3bdbdb6b773215734cfdecce4649eb050c3f91fbe468f63a5b18b5736fc9","abstract_canon_sha256":"d595c680e6a064129856ace75484a82883f188c6a2610e47588c9ad011224ba3"},"schema_version":"1.0"},"canonical_sha256":"fec1236be3ff3b673ed5f882c1f12b1cd28f730ed6b30f2cb2bfe0fb9018a578","source":{"kind":"arxiv","id":"1509.02500","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.02500","created_at":"2026-05-18T01:17:37Z"},{"alias_kind":"arxiv_version","alias_value":"1509.02500v2","created_at":"2026-05-18T01:17:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02500","created_at":"2026-05-18T01:17:37Z"},{"alias_kind":"pith_short_12","alias_value":"73ASG27D745W","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"73ASG27D745WOPWV","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"73ASG27D","created_at":"2026-05-18T12:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:73ASG27D745WOPWV7CBMD4JLDT","target":"record","payload":{"canonical_record":{"source":{"id":"1509.02500","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-05T16:57:47Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"56fb3bdbdb6b773215734cfdecce4649eb050c3f91fbe468f63a5b18b5736fc9","abstract_canon_sha256":"d595c680e6a064129856ace75484a82883f188c6a2610e47588c9ad011224ba3"},"schema_version":"1.0"},"canonical_sha256":"fec1236be3ff3b673ed5f882c1f12b1cd28f730ed6b30f2cb2bfe0fb9018a578","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:37.248439Z","signature_b64":"Q2fxdl6EWuCkU33qudM00pZbiilbbfI40qI0et0QCiNCFjaLB0S1YlZrWDQqb3LZuqudr/3Ks8Bx8QQFzMMUAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fec1236be3ff3b673ed5f882c1f12b1cd28f730ed6b30f2cb2bfe0fb9018a578","last_reissued_at":"2026-05-18T01:17:37.247704Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:37.247704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.02500","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:17:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r6Css3a/nwKwMabF8wn1X7b9tNV7TWBZJaads2kkC2FGIHhaZXMZGmK8FRYmB+mtxI0RSg5cMc9QIrSAyTz/AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:57:21.670204Z"},"content_sha256":"1b9d48b6c70aa9bdf11a3068d7de360b538c7a80273d0d6fdab032dca03a534f","schema_version":"1.0","event_id":"sha256:1b9d48b6c70aa9bdf11a3068d7de360b538c7a80273d0d6fdab032dca03a534f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:73ASG27D745WOPWV7CBMD4JLDT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Theory of reflectivity properties of graphene-coated material plates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. C. Korikov, G. L. Klimchitskaya, V. M. Petrov","submitted_at":"2015-09-05T16:57:47Z","abstract_excerpt":"The theoretical description for the reflectivity properties of dielectric, metal and semiconductor plates coated with graphene is developed in the framework of the Dirac model. Graphene is described by the polarization tensor allowing the analytic continuation to the real frequency axis. The plate materials are described by the frequency-dependent dielectric permittivities. The general formulas for the reflection coefficients and reflectivities of the graphene-coated plates, as well as their asymptotic expressions at high and low frequencies, are derived. The developed theory is applied to the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02500","kind":"arxiv","version":2},"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":"2026-05-18T01:17:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vg5L3LXh53VPZmoDt9HdxZEwdrrcGJF1VGuf2t2uVpkpkvSsMNkSFqHwww3nGb+mDsq7KXoqWdI4AJe7k9U/AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:57:21.670599Z"},"content_sha256":"daa1343a547f193701dec7e8d8af8c7c708de67eb5a75ea19a8b7e93bbe4bade","schema_version":"1.0","event_id":"sha256:daa1343a547f193701dec7e8d8af8c7c708de67eb5a75ea19a8b7e93bbe4bade"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/73ASG27D745WOPWV7CBMD4JLDT/bundle.json","state_url":"https://pith.science/pith/73ASG27D745WOPWV7CBMD4JLDT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/73ASG27D745WOPWV7CBMD4JLDT/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":"2026-05-26T13:57:21Z","links":{"resolver":"https://pith.science/pith/73ASG27D745WOPWV7CBMD4JLDT","bundle":"https://pith.science/pith/73ASG27D745WOPWV7CBMD4JLDT/bundle.json","state":"https://pith.science/pith/73ASG27D745WOPWV7CBMD4JLDT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/73ASG27D745WOPWV7CBMD4JLDT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:73ASG27D745WOPWV7CBMD4JLDT","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":"d595c680e6a064129856ace75484a82883f188c6a2610e47588c9ad011224ba3","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-05T16:57:47Z","title_canon_sha256":"56fb3bdbdb6b773215734cfdecce4649eb050c3f91fbe468f63a5b18b5736fc9"},"schema_version":"1.0","source":{"id":"1509.02500","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.02500","created_at":"2026-05-18T01:17:37Z"},{"alias_kind":"arxiv_version","alias_value":"1509.02500v2","created_at":"2026-05-18T01:17:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02500","created_at":"2026-05-18T01:17:37Z"},{"alias_kind":"pith_short_12","alias_value":"73ASG27D745W","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"73ASG27D745WOPWV","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"73ASG27D","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:daa1343a547f193701dec7e8d8af8c7c708de67eb5a75ea19a8b7e93bbe4bade","target":"graph","created_at":"2026-05-18T01:17:37Z","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":"The theoretical description for the reflectivity properties of dielectric, metal and semiconductor plates coated with graphene is developed in the framework of the Dirac model. Graphene is described by the polarization tensor allowing the analytic continuation to the real frequency axis. The plate materials are described by the frequency-dependent dielectric permittivities. The general formulas for the reflection coefficients and reflectivities of the graphene-coated plates, as well as their asymptotic expressions at high and low frequencies, are derived. The developed theory is applied to the","authors_text":"C. C. Korikov, G. L. Klimchitskaya, V. M. Petrov","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-05T16:57:47Z","title":"Theory of reflectivity properties of graphene-coated material plates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02500","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":"sha256:1b9d48b6c70aa9bdf11a3068d7de360b538c7a80273d0d6fdab032dca03a534f","target":"record","created_at":"2026-05-18T01:17:37Z","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":"d595c680e6a064129856ace75484a82883f188c6a2610e47588c9ad011224ba3","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-05T16:57:47Z","title_canon_sha256":"56fb3bdbdb6b773215734cfdecce4649eb050c3f91fbe468f63a5b18b5736fc9"},"schema_version":"1.0","source":{"id":"1509.02500","kind":"arxiv","version":2}},"canonical_sha256":"fec1236be3ff3b673ed5f882c1f12b1cd28f730ed6b30f2cb2bfe0fb9018a578","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fec1236be3ff3b673ed5f882c1f12b1cd28f730ed6b30f2cb2bfe0fb9018a578","first_computed_at":"2026-05-18T01:17:37.247704Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:37.247704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q2fxdl6EWuCkU33qudM00pZbiilbbfI40qI0et0QCiNCFjaLB0S1YlZrWDQqb3LZuqudr/3Ks8Bx8QQFzMMUAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:37.248439Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.02500","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b9d48b6c70aa9bdf11a3068d7de360b538c7a80273d0d6fdab032dca03a534f","sha256:daa1343a547f193701dec7e8d8af8c7c708de67eb5a75ea19a8b7e93bbe4bade"],"state_sha256":"6602f9b223b1e86fd18bf429f99fb4b63ed2cf270787f5bb25386480a63c4439"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sc5v1INtvfcWr96oIkDzItK2I6AqUIJBJEuDiSLvM2Jx2CxGDDJukDV5NaAHEbY86Vi3jTN1cvSwwF9p47ECAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T13:57:21.673044Z","bundle_sha256":"2f9dcba4b01778889f65d51ad0708422443f84d39e7c75dea2f48a1a2c408487"}}