{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:CAO5SJBPSL3DLCBQQNPMTJ6VN4","short_pith_number":"pith:CAO5SJBP","canonical_record":{"source":{"id":"1010.5088","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-10-25T11:03:32Z","cross_cats_sorted":[],"title_canon_sha256":"eba19d8fab73f7f4bac29aac2efa78b6d397ab02162f29f64ce050d5193750bb","abstract_canon_sha256":"1a34ada0b0e1991bc547cef9d4e3e4db896ab2825b3707c1f4a58efd7ca61a56"},"schema_version":"1.0"},"canonical_sha256":"101dd9242f92f6358830835ec9a7d56f3117489a9c90ba5c723f4572039c1b8c","source":{"kind":"arxiv","id":"1010.5088","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.5088","created_at":"2026-05-18T04:38:49Z"},{"alias_kind":"arxiv_version","alias_value":"1010.5088v1","created_at":"2026-05-18T04:38:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.5088","created_at":"2026-05-18T04:38:49Z"},{"alias_kind":"pith_short_12","alias_value":"CAO5SJBPSL3D","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"CAO5SJBPSL3DLCBQ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"CAO5SJBP","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:CAO5SJBPSL3DLCBQQNPMTJ6VN4","target":"record","payload":{"canonical_record":{"source":{"id":"1010.5088","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-10-25T11:03:32Z","cross_cats_sorted":[],"title_canon_sha256":"eba19d8fab73f7f4bac29aac2efa78b6d397ab02162f29f64ce050d5193750bb","abstract_canon_sha256":"1a34ada0b0e1991bc547cef9d4e3e4db896ab2825b3707c1f4a58efd7ca61a56"},"schema_version":"1.0"},"canonical_sha256":"101dd9242f92f6358830835ec9a7d56f3117489a9c90ba5c723f4572039c1b8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:38:49.425378Z","signature_b64":"yTQfZfUjntGNoFVxlV+GRtrIvZtEnoMM86F1PE0aBSHNj4id6GU/saUPi12cHrWbgkVHXmgAyMgWYzILSjPOBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"101dd9242f92f6358830835ec9a7d56f3117489a9c90ba5c723f4572039c1b8c","last_reissued_at":"2026-05-18T04:38:49.424818Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:38:49.424818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.5088","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":"2026-05-18T04:38:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZRFs/ApbA/e+sXRH1jQkGy/iYa79rIq1nIIUmI7gbuNbBp86g6TGzXvmDbe28S5L6bzIKM55QSvlo1f+rgqTCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T14:40:53.835884Z"},"content_sha256":"0fafa457c3f4aed5515b53c02117d4bcbf1b04f538dca30269e8c4bd83149af5","schema_version":"1.0","event_id":"sha256:0fafa457c3f4aed5515b53c02117d4bcbf1b04f538dca30269e8c4bd83149af5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:CAO5SJBPSL3DLCBQQNPMTJ6VN4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical Spectra of Graded Nanostructured TiO2 Chiral Thin Films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A. Esfandiar, F. Babaei, H. Savaloni","submitted_at":"2010-10-25T11:03:32Z","abstract_excerpt":"The rigorous coupled wave analysis method (RCWA) is applied to the graded chiral TiO2 thin films in axial and non-axial excited states using the Bruggeman homogenization formalism. The dependence of the filtering frequency and polarization selectivity as a function of different structural parameters, are investigated. A good agreement with experimental results reported by other researchers is achieved."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.5088","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":"2026-05-18T04:38:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZM3H8Rea45Wi+EvT+6nVqSSHmu/KXuoj8EDvbj6lAD67h5obhCTzZybTcz4Tsi7Inh4gyo6ZQ96+iqpSqHeHCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T14:40:53.836237Z"},"content_sha256":"9da57c96fb8d9830fa651db585ba73fbed3883e932c273e41ac928771f17b25c","schema_version":"1.0","event_id":"sha256:9da57c96fb8d9830fa651db585ba73fbed3883e932c273e41ac928771f17b25c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CAO5SJBPSL3DLCBQQNPMTJ6VN4/bundle.json","state_url":"https://pith.science/pith/CAO5SJBPSL3DLCBQQNPMTJ6VN4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CAO5SJBPSL3DLCBQQNPMTJ6VN4/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":"2026-06-01T14:40:53Z","links":{"resolver":"https://pith.science/pith/CAO5SJBPSL3DLCBQQNPMTJ6VN4","bundle":"https://pith.science/pith/CAO5SJBPSL3DLCBQQNPMTJ6VN4/bundle.json","state":"https://pith.science/pith/CAO5SJBPSL3DLCBQQNPMTJ6VN4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CAO5SJBPSL3DLCBQQNPMTJ6VN4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:CAO5SJBPSL3DLCBQQNPMTJ6VN4","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":"1a34ada0b0e1991bc547cef9d4e3e4db896ab2825b3707c1f4a58efd7ca61a56","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-10-25T11:03:32Z","title_canon_sha256":"eba19d8fab73f7f4bac29aac2efa78b6d397ab02162f29f64ce050d5193750bb"},"schema_version":"1.0","source":{"id":"1010.5088","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.5088","created_at":"2026-05-18T04:38:49Z"},{"alias_kind":"arxiv_version","alias_value":"1010.5088v1","created_at":"2026-05-18T04:38:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.5088","created_at":"2026-05-18T04:38:49Z"},{"alias_kind":"pith_short_12","alias_value":"CAO5SJBPSL3D","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"CAO5SJBPSL3DLCBQ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"CAO5SJBP","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:9da57c96fb8d9830fa651db585ba73fbed3883e932c273e41ac928771f17b25c","target":"graph","created_at":"2026-05-18T04:38:49Z","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 rigorous coupled wave analysis method (RCWA) is applied to the graded chiral TiO2 thin films in axial and non-axial excited states using the Bruggeman homogenization formalism. The dependence of the filtering frequency and polarization selectivity as a function of different structural parameters, are investigated. A good agreement with experimental results reported by other researchers is achieved.","authors_text":"A. Esfandiar, F. Babaei, H. Savaloni","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-10-25T11:03:32Z","title":"Optical Spectra of Graded Nanostructured TiO2 Chiral Thin Films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.5088","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":"sha256:0fafa457c3f4aed5515b53c02117d4bcbf1b04f538dca30269e8c4bd83149af5","target":"record","created_at":"2026-05-18T04:38:49Z","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":"1a34ada0b0e1991bc547cef9d4e3e4db896ab2825b3707c1f4a58efd7ca61a56","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2010-10-25T11:03:32Z","title_canon_sha256":"eba19d8fab73f7f4bac29aac2efa78b6d397ab02162f29f64ce050d5193750bb"},"schema_version":"1.0","source":{"id":"1010.5088","kind":"arxiv","version":1}},"canonical_sha256":"101dd9242f92f6358830835ec9a7d56f3117489a9c90ba5c723f4572039c1b8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"101dd9242f92f6358830835ec9a7d56f3117489a9c90ba5c723f4572039c1b8c","first_computed_at":"2026-05-18T04:38:49.424818Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:38:49.424818Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yTQfZfUjntGNoFVxlV+GRtrIvZtEnoMM86F1PE0aBSHNj4id6GU/saUPi12cHrWbgkVHXmgAyMgWYzILSjPOBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:38:49.425378Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.5088","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0fafa457c3f4aed5515b53c02117d4bcbf1b04f538dca30269e8c4bd83149af5","sha256:9da57c96fb8d9830fa651db585ba73fbed3883e932c273e41ac928771f17b25c"],"state_sha256":"ef4e942b9d264d84e1f9b4add1eebd88bf8c6943ab9004c445b77e2dc0afa0e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JAJhGmGdxNndGWNo241nBJmMEUqTmWvi+FLdO748f/jVrd9VZn9wjlTKG4LZZeB/UxF7p6FjzHX8ODcPlJW1BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T14:40:53.838162Z","bundle_sha256":"1bfb3c89184c1c1d9bb4aa8b5070e76f43b6614aff7db8bb261d54fad5490b0c"}}