{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:4WCYYEL6OWTHAD6VHWFFPSJQ6T","short_pith_number":"pith:4WCYYEL6","schema_version":"1.0","canonical_sha256":"e5858c117e75a6700fd53d8a57c930f4fdbf18b4ae5a8ad1bb897b35c13586a5","source":{"kind":"arxiv","id":"1006.5714","version":1},"attestation_state":"computed","paper":{"title":"Holographic Optics and Negative Refractive Index","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","physics.flu-dyn","physics.optics"],"primary_cat":"hep-th","authors_text":"A. Amariti, A. Mariotti, D. Forcella, G. Policastro","submitted_at":"2010-06-29T20:02:33Z","abstract_excerpt":"In recent years a very exciting and intense activity has been devoted to the understanding and construction of materials that enjoy exotic optical properties, such as a negative refractive index. Motivated by these experimental and theoretical developments, we use the string-inspired idea of holography to study the electromagnetic response of a certain class of media: strongly coupled relativistic systems that admit a dual gravitational description. Our results indicate that this type of media generally have a negative refractive index. Moreover we observe that a negative refractive index coul"},"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":"1006.5714","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-06-29T20:02:33Z","cross_cats_sorted":["cond-mat.other","physics.flu-dyn","physics.optics"],"title_canon_sha256":"9af97b3ee3692a691b989c3759ed04e808524d87fca0fc898ae31fd50f6f003b","abstract_canon_sha256":"b99359cc06f23a8872aba6777293dc6a985f90038aee6fb9dd017b4599157e00"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:23:56.772461Z","signature_b64":"nr8QoflbrA/t8uBLbfkavxAmUZmVVz1COHhX2jm2kHV7NOAGnrH4etc5czPcSSoGgoo+ECgbBORUyhrZ2TTRBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5858c117e75a6700fd53d8a57c930f4fdbf18b4ae5a8ad1bb897b35c13586a5","last_reissued_at":"2026-05-18T04:23:56.772064Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:23:56.772064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Holographic Optics and Negative Refractive Index","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","physics.flu-dyn","physics.optics"],"primary_cat":"hep-th","authors_text":"A. Amariti, A. Mariotti, D. Forcella, G. Policastro","submitted_at":"2010-06-29T20:02:33Z","abstract_excerpt":"In recent years a very exciting and intense activity has been devoted to the understanding and construction of materials that enjoy exotic optical properties, such as a negative refractive index. Motivated by these experimental and theoretical developments, we use the string-inspired idea of holography to study the electromagnetic response of a certain class of media: strongly coupled relativistic systems that admit a dual gravitational description. Our results indicate that this type of media generally have a negative refractive index. Moreover we observe that a negative refractive index coul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.5714","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":"1006.5714","created_at":"2026-05-18T04:23:56.772120+00:00"},{"alias_kind":"arxiv_version","alias_value":"1006.5714v1","created_at":"2026-05-18T04:23:56.772120+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.5714","created_at":"2026-05-18T04:23:56.772120+00:00"},{"alias_kind":"pith_short_12","alias_value":"4WCYYEL6OWTH","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_16","alias_value":"4WCYYEL6OWTHAD6V","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_8","alias_value":"4WCYYEL6","created_at":"2026-05-18T12:26:04.259169+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/4WCYYEL6OWTHAD6VHWFFPSJQ6T","json":"https://pith.science/pith/4WCYYEL6OWTHAD6VHWFFPSJQ6T.json","graph_json":"https://pith.science/api/pith-number/4WCYYEL6OWTHAD6VHWFFPSJQ6T/graph.json","events_json":"https://pith.science/api/pith-number/4WCYYEL6OWTHAD6VHWFFPSJQ6T/events.json","paper":"https://pith.science/paper/4WCYYEL6"},"agent_actions":{"view_html":"https://pith.science/pith/4WCYYEL6OWTHAD6VHWFFPSJQ6T","download_json":"https://pith.science/pith/4WCYYEL6OWTHAD6VHWFFPSJQ6T.json","view_paper":"https://pith.science/paper/4WCYYEL6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1006.5714&json=true","fetch_graph":"https://pith.science/api/pith-number/4WCYYEL6OWTHAD6VHWFFPSJQ6T/graph.json","fetch_events":"https://pith.science/api/pith-number/4WCYYEL6OWTHAD6VHWFFPSJQ6T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4WCYYEL6OWTHAD6VHWFFPSJQ6T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4WCYYEL6OWTHAD6VHWFFPSJQ6T/action/storage_attestation","attest_author":"https://pith.science/pith/4WCYYEL6OWTHAD6VHWFFPSJQ6T/action/author_attestation","sign_citation":"https://pith.science/pith/4WCYYEL6OWTHAD6VHWFFPSJQ6T/action/citation_signature","submit_replication":"https://pith.science/pith/4WCYYEL6OWTHAD6VHWFFPSJQ6T/action/replication_record"}},"created_at":"2026-05-18T04:23:56.772120+00:00","updated_at":"2026-05-18T04:23:56.772120+00:00"}