{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:L2AIOBYOV72KXSKLXTA235O7TC","short_pith_number":"pith:L2AIOBYO","canonical_record":{"source":{"id":"0801.4333","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.optics","submitted_at":"2008-01-28T16:57:54Z","cross_cats_sorted":[],"title_canon_sha256":"ccda9abda8d535fa8f4549a3ecfba0746741fcffad0800005d3d0fa852bad5c4","abstract_canon_sha256":"1bcded85aeb4bced20b9ad5c7d21b42688b8c093095ec7c35e049a0b35bc627b"},"schema_version":"1.0"},"canonical_sha256":"5e8087070eaff4abc94bbcc1adf5df98897e33829ee34c8fde81cdd7e772fcb4","source":{"kind":"arxiv","id":"0801.4333","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0801.4333","created_at":"2026-05-18T03:02:21Z"},{"alias_kind":"arxiv_version","alias_value":"0801.4333v1","created_at":"2026-05-18T03:02:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.4333","created_at":"2026-05-18T03:02:21Z"},{"alias_kind":"pith_short_12","alias_value":"L2AIOBYOV72K","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"L2AIOBYOV72KXSKL","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"L2AIOBYO","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:L2AIOBYOV72KXSKLXTA235O7TC","target":"record","payload":{"canonical_record":{"source":{"id":"0801.4333","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.optics","submitted_at":"2008-01-28T16:57:54Z","cross_cats_sorted":[],"title_canon_sha256":"ccda9abda8d535fa8f4549a3ecfba0746741fcffad0800005d3d0fa852bad5c4","abstract_canon_sha256":"1bcded85aeb4bced20b9ad5c7d21b42688b8c093095ec7c35e049a0b35bc627b"},"schema_version":"1.0"},"canonical_sha256":"5e8087070eaff4abc94bbcc1adf5df98897e33829ee34c8fde81cdd7e772fcb4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:02:21.697632Z","signature_b64":"ndkEi0XGQ7q/jnQIoZs0uiEuTlEZnQXjiGxLm7uskgajrrE+9lrJ/yDw2pbMSqhCVlIFpY1pU7kQHFOQipXiCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e8087070eaff4abc94bbcc1adf5df98897e33829ee34c8fde81cdd7e772fcb4","last_reissued_at":"2026-05-18T03:02:21.696823Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:02:21.696823Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0801.4333","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":"2026-05-18T03:02:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BcgwxmsERwFCQAHo1U0ZMc2bAA6TQgcjHQ0wuY9VsYwLgNjXjvF5enpNfuTUaN60uvdEn566TFYSIoqj1GnUAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:44:00.577017Z"},"content_sha256":"8655f9273608b26fd1e7ca5e30f64b21859518880f3163e61544fc4adf0e8769","schema_version":"1.0","event_id":"sha256:8655f9273608b26fd1e7ca5e30f64b21859518880f3163e61544fc4adf0e8769"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:L2AIOBYOV72KXSKLXTA235O7TC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New type of ellipsometry in infrared spectroscopy: The double-reference method","license":"","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"I. Kezsmarki, S. Bordacs","submitted_at":"2008-01-28T16:57:54Z","abstract_excerpt":"We have developed a conceptually new type of ellipsometry which allows the determination of the complex refractive index by simultaneously measuring the unpolarized normal-incidence reflectivity relative to the vacuum and to another reference media. From these two quantities the complex optical response can be directly obtained without Kramers-Kronig transformation. Due to its transparency and large refractive index over a broad range of the spectrum, from the far-infrared to the soft ultraviolet region, diamond can be ideally used as a second reference. The experimental arrangement is rather "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.4333","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":"2026-05-18T03:02:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ak3xRT9qHMHNNKVE5G8Fl76ohR1rsiDoAJ0vhFq37g+XEBk2Ob1QXKYHwqNMkUC+vh4bnN6+wg8XoCU/Ax/fDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:44:00.577368Z"},"content_sha256":"657e894dfa4e61ee9e35db304f550ab74a5bac74491599c08291af9bf71694a9","schema_version":"1.0","event_id":"sha256:657e894dfa4e61ee9e35db304f550ab74a5bac74491599c08291af9bf71694a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L2AIOBYOV72KXSKLXTA235O7TC/bundle.json","state_url":"https://pith.science/pith/L2AIOBYOV72KXSKLXTA235O7TC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L2AIOBYOV72KXSKLXTA235O7TC/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":"2026-06-01T13:44:00Z","links":{"resolver":"https://pith.science/pith/L2AIOBYOV72KXSKLXTA235O7TC","bundle":"https://pith.science/pith/L2AIOBYOV72KXSKLXTA235O7TC/bundle.json","state":"https://pith.science/pith/L2AIOBYOV72KXSKLXTA235O7TC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L2AIOBYOV72KXSKLXTA235O7TC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:L2AIOBYOV72KXSKLXTA235O7TC","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":"1bcded85aeb4bced20b9ad5c7d21b42688b8c093095ec7c35e049a0b35bc627b","cross_cats_sorted":[],"license":"","primary_cat":"physics.optics","submitted_at":"2008-01-28T16:57:54Z","title_canon_sha256":"ccda9abda8d535fa8f4549a3ecfba0746741fcffad0800005d3d0fa852bad5c4"},"schema_version":"1.0","source":{"id":"0801.4333","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0801.4333","created_at":"2026-05-18T03:02:21Z"},{"alias_kind":"arxiv_version","alias_value":"0801.4333v1","created_at":"2026-05-18T03:02:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.4333","created_at":"2026-05-18T03:02:21Z"},{"alias_kind":"pith_short_12","alias_value":"L2AIOBYOV72K","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"L2AIOBYOV72KXSKL","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"L2AIOBYO","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:657e894dfa4e61ee9e35db304f550ab74a5bac74491599c08291af9bf71694a9","target":"graph","created_at":"2026-05-18T03:02:21Z","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 have developed a conceptually new type of ellipsometry which allows the determination of the complex refractive index by simultaneously measuring the unpolarized normal-incidence reflectivity relative to the vacuum and to another reference media. From these two quantities the complex optical response can be directly obtained without Kramers-Kronig transformation. Due to its transparency and large refractive index over a broad range of the spectrum, from the far-infrared to the soft ultraviolet region, diamond can be ideally used as a second reference. The experimental arrangement is rather ","authors_text":"I. Kezsmarki, S. Bordacs","cross_cats":[],"headline":"","license":"","primary_cat":"physics.optics","submitted_at":"2008-01-28T16:57:54Z","title":"New type of ellipsometry in infrared spectroscopy: The double-reference method"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.4333","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":"sha256:8655f9273608b26fd1e7ca5e30f64b21859518880f3163e61544fc4adf0e8769","target":"record","created_at":"2026-05-18T03:02:21Z","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":"1bcded85aeb4bced20b9ad5c7d21b42688b8c093095ec7c35e049a0b35bc627b","cross_cats_sorted":[],"license":"","primary_cat":"physics.optics","submitted_at":"2008-01-28T16:57:54Z","title_canon_sha256":"ccda9abda8d535fa8f4549a3ecfba0746741fcffad0800005d3d0fa852bad5c4"},"schema_version":"1.0","source":{"id":"0801.4333","kind":"arxiv","version":1}},"canonical_sha256":"5e8087070eaff4abc94bbcc1adf5df98897e33829ee34c8fde81cdd7e772fcb4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5e8087070eaff4abc94bbcc1adf5df98897e33829ee34c8fde81cdd7e772fcb4","first_computed_at":"2026-05-18T03:02:21.696823Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:02:21.696823Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ndkEi0XGQ7q/jnQIoZs0uiEuTlEZnQXjiGxLm7uskgajrrE+9lrJ/yDw2pbMSqhCVlIFpY1pU7kQHFOQipXiCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:02:21.697632Z","signed_message":"canonical_sha256_bytes"},"source_id":"0801.4333","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8655f9273608b26fd1e7ca5e30f64b21859518880f3163e61544fc4adf0e8769","sha256:657e894dfa4e61ee9e35db304f550ab74a5bac74491599c08291af9bf71694a9"],"state_sha256":"4d522eed02b4eb91679da93d04d50890709be6a69ca513bc2fb77319b1bf3a66"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JETFzr/e22K/ErC+0DTvpxC4/CBtBTeUT9ND3ISgpjF7BlNFtz/BvqalH9eitSSwqVG4SSasYquUR5VW00KfDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T13:44:00.579232Z","bundle_sha256":"2fe566a432dcd762411ad821cc8413ed6c4d44374e983d04de022c555129ed30"}}