{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:OV252PIGAUPIVW5JOKAPJI5AK7","short_pith_number":"pith:OV252PIG","canonical_record":{"source":{"id":"1206.1988","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-06-10T02:33:01Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"f2b3d953a78d0d12b451a5ab693d28ec921df2ae78879d4032e9a2ad251a641e","abstract_canon_sha256":"c5d3fb7cd0b95b1df0ad8366b554af1c06f06a3e49abe48d34d6741cbd1b94ab"},"schema_version":"1.0"},"canonical_sha256":"7575dd3d06051e8adba97280f4a3a057efa76efeabdcc9d92e7a88dcbce31c63","source":{"kind":"arxiv","id":"1206.1988","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.1988","created_at":"2026-05-18T03:48:13Z"},{"alias_kind":"arxiv_version","alias_value":"1206.1988v1","created_at":"2026-05-18T03:48:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.1988","created_at":"2026-05-18T03:48:13Z"},{"alias_kind":"pith_short_12","alias_value":"OV252PIGAUPI","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OV252PIGAUPIVW5J","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OV252PIG","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:OV252PIGAUPIVW5JOKAPJI5AK7","target":"record","payload":{"canonical_record":{"source":{"id":"1206.1988","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-06-10T02:33:01Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"f2b3d953a78d0d12b451a5ab693d28ec921df2ae78879d4032e9a2ad251a641e","abstract_canon_sha256":"c5d3fb7cd0b95b1df0ad8366b554af1c06f06a3e49abe48d34d6741cbd1b94ab"},"schema_version":"1.0"},"canonical_sha256":"7575dd3d06051e8adba97280f4a3a057efa76efeabdcc9d92e7a88dcbce31c63","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:13.271821Z","signature_b64":"7gefgT8+gFAVdcWGrgqD0rY9h+T2ZKGMnjDRSP1I4sowcYtjm6Ye2dWKEwmcyNDPAzhbfAje8JcTOmWTLLqwCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7575dd3d06051e8adba97280f4a3a057efa76efeabdcc9d92e7a88dcbce31c63","last_reissued_at":"2026-05-18T03:48:13.271187Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:13.271187Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.1988","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":"2026-05-18T03:48:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B3kfMNlR/hgxWZpwCY5LjMZ47nE52aDtgC46AIoKAEH2hLHUkySHDMPs6W+B9lytGSQTUERiD8fGiM6Cy+QKCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T18:30:37.349516Z"},"content_sha256":"577014e318edb4060a7826fad78f6c727a07cf5281ed2b0ddadd605ffe14b19e","schema_version":"1.0","event_id":"sha256:577014e318edb4060a7826fad78f6c727a07cf5281ed2b0ddadd605ffe14b19e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:OV252PIGAUPIVW5JOKAPJI5AK7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant Tunable Faraday Effect in a Semiconductor Magneto-plasma for Broadband Terahertz Polarization Optics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"physics.optics","authors_text":"A. A. Belyanin, J. Kono, T. Arikawa, X. Wang","submitted_at":"2012-06-10T02:33:01Z","abstract_excerpt":"We report on a giant Faraday effect in an electron plasma in n-InSb probed via polarization-resolved terahertz (THz) time-domain spectroscopy. Polarization rotation angles and ellipticities reach as large as {\\pi}/2 and 1, respectively, over a wide frequency range (0.3-2.5 THz) at magnetic fields of a few Tesla. The experimental results together with theoretical simulations show its promising ability to construct broadband and tunable THz polarization optics, such as a circular polarizer, half-wave plate, and polarization modulators."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.1988","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":"2026-05-18T03:48:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JoHWLWyZG7wP1OHeTXX2c0dRRLKfmuQoc64p+UCd0O/AIPsHpww0MwKNP8tJ1e8qCmr/0nZCx3cpaqi/006kAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T18:30:37.349858Z"},"content_sha256":"3c917d1f4ac75b27938f48f04e8939302f9fa7d80e8de832d8c8cfe900d8448a","schema_version":"1.0","event_id":"sha256:3c917d1f4ac75b27938f48f04e8939302f9fa7d80e8de832d8c8cfe900d8448a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OV252PIGAUPIVW5JOKAPJI5AK7/bundle.json","state_url":"https://pith.science/pith/OV252PIGAUPIVW5JOKAPJI5AK7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OV252PIGAUPIVW5JOKAPJI5AK7/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":"2026-06-10T18:30:37Z","links":{"resolver":"https://pith.science/pith/OV252PIGAUPIVW5JOKAPJI5AK7","bundle":"https://pith.science/pith/OV252PIGAUPIVW5JOKAPJI5AK7/bundle.json","state":"https://pith.science/pith/OV252PIGAUPIVW5JOKAPJI5AK7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OV252PIGAUPIVW5JOKAPJI5AK7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:OV252PIGAUPIVW5JOKAPJI5AK7","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":"c5d3fb7cd0b95b1df0ad8366b554af1c06f06a3e49abe48d34d6741cbd1b94ab","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-06-10T02:33:01Z","title_canon_sha256":"f2b3d953a78d0d12b451a5ab693d28ec921df2ae78879d4032e9a2ad251a641e"},"schema_version":"1.0","source":{"id":"1206.1988","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.1988","created_at":"2026-05-18T03:48:13Z"},{"alias_kind":"arxiv_version","alias_value":"1206.1988v1","created_at":"2026-05-18T03:48:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.1988","created_at":"2026-05-18T03:48:13Z"},{"alias_kind":"pith_short_12","alias_value":"OV252PIGAUPI","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OV252PIGAUPIVW5J","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OV252PIG","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:3c917d1f4ac75b27938f48f04e8939302f9fa7d80e8de832d8c8cfe900d8448a","target":"graph","created_at":"2026-05-18T03:48:13Z","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 report on a giant Faraday effect in an electron plasma in n-InSb probed via polarization-resolved terahertz (THz) time-domain spectroscopy. Polarization rotation angles and ellipticities reach as large as {\\pi}/2 and 1, respectively, over a wide frequency range (0.3-2.5 THz) at magnetic fields of a few Tesla. The experimental results together with theoretical simulations show its promising ability to construct broadband and tunable THz polarization optics, such as a circular polarizer, half-wave plate, and polarization modulators.","authors_text":"A. A. Belyanin, J. Kono, T. Arikawa, X. Wang","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-06-10T02:33:01Z","title":"Giant Tunable Faraday Effect in a Semiconductor Magneto-plasma for Broadband Terahertz Polarization Optics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.1988","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":"sha256:577014e318edb4060a7826fad78f6c727a07cf5281ed2b0ddadd605ffe14b19e","target":"record","created_at":"2026-05-18T03:48:13Z","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":"c5d3fb7cd0b95b1df0ad8366b554af1c06f06a3e49abe48d34d6741cbd1b94ab","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-06-10T02:33:01Z","title_canon_sha256":"f2b3d953a78d0d12b451a5ab693d28ec921df2ae78879d4032e9a2ad251a641e"},"schema_version":"1.0","source":{"id":"1206.1988","kind":"arxiv","version":1}},"canonical_sha256":"7575dd3d06051e8adba97280f4a3a057efa76efeabdcc9d92e7a88dcbce31c63","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7575dd3d06051e8adba97280f4a3a057efa76efeabdcc9d92e7a88dcbce31c63","first_computed_at":"2026-05-18T03:48:13.271187Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:48:13.271187Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7gefgT8+gFAVdcWGrgqD0rY9h+T2ZKGMnjDRSP1I4sowcYtjm6Ye2dWKEwmcyNDPAzhbfAje8JcTOmWTLLqwCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:48:13.271821Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.1988","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:577014e318edb4060a7826fad78f6c727a07cf5281ed2b0ddadd605ffe14b19e","sha256:3c917d1f4ac75b27938f48f04e8939302f9fa7d80e8de832d8c8cfe900d8448a"],"state_sha256":"e612d4a465b2c252a1934ac44daf1b661108bcea8a647df68869fcda7832ab00"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GKG9pQV6MP8WITc6QI0PW4uD/IUwF+Dz0rq0hMcfvtLFAgHnz2ZoycpfgG11eQB3P+v2s5L1XnSwSOLdLoKrDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T18:30:37.351828Z","bundle_sha256":"9a43b664dff0476912241630fea990c41bf3fd93ff3e5d5c3765ed3aacc6f111"}}