{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:H47KHN7R6TPQXETRV66JMBHCA6","short_pith_number":"pith:H47KHN7R","schema_version":"1.0","canonical_sha256":"3f3ea3b7f1f4df0b9271afbc9604e207901f800c72fe0ff94b92eafe8958ede6","source":{"kind":"arxiv","id":"1408.5284","version":1},"attestation_state":"computed","paper":{"title":"Band Gaps and Optical Spectra from Single- and Double-Layer Fluorographene to Graphite Fluoride: Many-Body Effects and Excitonic States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Franti\\v{s}ek Karlick\\'y, Michal Otyepka","submitted_at":"2014-08-22T12:45:24Z","abstract_excerpt":"We compare first-principle band gaps and optical absorption spectra of single- and double-layer fluorographene with bulk graphite fluoride. The electronic properties are calculated using the many-body GW approximation and the optical spectra using the Bethe-Salpeter equation (BSE). The inclusion of electron-hole interactions is crucial for predicting low energy excitonic absorption peaks. The position of the first exciton peak is identical in single-, double- and multilayer fluorographene, which may indicate that the onset of the absorption spectra does not differ in these materials."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1408.5284","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-22T12:45:24Z","cross_cats_sorted":[],"title_canon_sha256":"2231a329db1897b95982cf73f18ee10d99fb3668228b534b455cc19042add74b","abstract_canon_sha256":"032fbfd6bc5ea6f20e895fcc37b6d8304df0fcfa7c9e73fb2f07d753d15691fd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:31.608900Z","signature_b64":"CyBfJLVLSRHp6h3VnwLU4WJCnfI9q0iAfOJ9/UrDJklnt72mZPO2rmJaWHEFPgZLTVPA4OlIA7MV2rcs6f/1Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f3ea3b7f1f4df0b9271afbc9604e207901f800c72fe0ff94b92eafe8958ede6","last_reissued_at":"2026-05-18T02:39:31.608358Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:31.608358Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Band Gaps and Optical Spectra from Single- and Double-Layer Fluorographene to Graphite Fluoride: Many-Body Effects and Excitonic States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Franti\\v{s}ek Karlick\\'y, Michal Otyepka","submitted_at":"2014-08-22T12:45:24Z","abstract_excerpt":"We compare first-principle band gaps and optical absorption spectra of single- and double-layer fluorographene with bulk graphite fluoride. The electronic properties are calculated using the many-body GW approximation and the optical spectra using the Bethe-Salpeter equation (BSE). The inclusion of electron-hole interactions is crucial for predicting low energy excitonic absorption peaks. The position of the first exciton peak is identical in single-, double- and multilayer fluorographene, which may indicate that the onset of the absorption spectra does not differ in these materials."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5284","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1408.5284","created_at":"2026-05-18T02:39:31.608430+00:00"},{"alias_kind":"arxiv_version","alias_value":"1408.5284v1","created_at":"2026-05-18T02:39:31.608430+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.5284","created_at":"2026-05-18T02:39:31.608430+00:00"},{"alias_kind":"pith_short_12","alias_value":"H47KHN7R6TPQ","created_at":"2026-05-18T12:28:30.664211+00:00"},{"alias_kind":"pith_short_16","alias_value":"H47KHN7R6TPQXETR","created_at":"2026-05-18T12:28:30.664211+00:00"},{"alias_kind":"pith_short_8","alias_value":"H47KHN7R","created_at":"2026-05-18T12:28:30.664211+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/H47KHN7R6TPQXETRV66JMBHCA6","json":"https://pith.science/pith/H47KHN7R6TPQXETRV66JMBHCA6.json","graph_json":"https://pith.science/api/pith-number/H47KHN7R6TPQXETRV66JMBHCA6/graph.json","events_json":"https://pith.science/api/pith-number/H47KHN7R6TPQXETRV66JMBHCA6/events.json","paper":"https://pith.science/paper/H47KHN7R"},"agent_actions":{"view_html":"https://pith.science/pith/H47KHN7R6TPQXETRV66JMBHCA6","download_json":"https://pith.science/pith/H47KHN7R6TPQXETRV66JMBHCA6.json","view_paper":"https://pith.science/paper/H47KHN7R","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1408.5284&json=true","fetch_graph":"https://pith.science/api/pith-number/H47KHN7R6TPQXETRV66JMBHCA6/graph.json","fetch_events":"https://pith.science/api/pith-number/H47KHN7R6TPQXETRV66JMBHCA6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/H47KHN7R6TPQXETRV66JMBHCA6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/H47KHN7R6TPQXETRV66JMBHCA6/action/storage_attestation","attest_author":"https://pith.science/pith/H47KHN7R6TPQXETRV66JMBHCA6/action/author_attestation","sign_citation":"https://pith.science/pith/H47KHN7R6TPQXETRV66JMBHCA6/action/citation_signature","submit_replication":"https://pith.science/pith/H47KHN7R6TPQXETRV66JMBHCA6/action/replication_record"}},"created_at":"2026-05-18T02:39:31.608430+00:00","updated_at":"2026-05-18T02:39:31.608430+00:00"}