{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:SKYE7GMYLLARJ663VTCUXNU7VE","short_pith_number":"pith:SKYE7GMY","canonical_record":{"source":{"id":"2008.08235","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-08-19T03:03:36Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.app-ph"],"title_canon_sha256":"0c491d2181ef0e4bd4db39bd61c4f6280c46e0c4e0cff01b7e3cab4f39b95158","abstract_canon_sha256":"88ebcb6a06bc9a1ae938c5c0f183cbf6b9c490fe88612ad8b53710c32e3ceab5"},"schema_version":"1.0"},"canonical_sha256":"92b04f99985ac114fbdbacc54bb69fa924d4eb0879a7a59448002e64b92c04d2","source":{"kind":"arxiv","id":"2008.08235","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.08235","created_at":"2026-07-05T02:49:12Z"},{"alias_kind":"arxiv_version","alias_value":"2008.08235v2","created_at":"2026-07-05T02:49:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.08235","created_at":"2026-07-05T02:49:12Z"},{"alias_kind":"pith_short_12","alias_value":"SKYE7GMYLLAR","created_at":"2026-07-05T02:49:12Z"},{"alias_kind":"pith_short_16","alias_value":"SKYE7GMYLLARJ663","created_at":"2026-07-05T02:49:12Z"},{"alias_kind":"pith_short_8","alias_value":"SKYE7GMY","created_at":"2026-07-05T02:49:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:SKYE7GMYLLARJ663VTCUXNU7VE","target":"record","payload":{"canonical_record":{"source":{"id":"2008.08235","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-08-19T03:03:36Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.app-ph"],"title_canon_sha256":"0c491d2181ef0e4bd4db39bd61c4f6280c46e0c4e0cff01b7e3cab4f39b95158","abstract_canon_sha256":"88ebcb6a06bc9a1ae938c5c0f183cbf6b9c490fe88612ad8b53710c32e3ceab5"},"schema_version":"1.0"},"canonical_sha256":"92b04f99985ac114fbdbacc54bb69fa924d4eb0879a7a59448002e64b92c04d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:49:12.089714Z","signature_b64":"CVW7Tov09rZy6C3XoKreWSAebDOxV+CooahhhuuVB50FkUNPzhbyc3jyyje8C33sn2BR5oVOauYkHX4DEeNpBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92b04f99985ac114fbdbacc54bb69fa924d4eb0879a7a59448002e64b92c04d2","last_reissued_at":"2026-07-05T02:49:12.089213Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:49:12.089213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.08235","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:49:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2nYu20RLEtLFdIpFqRlSQ71J4HQjNfVkgmTlLpCMbGUYuIGFmOdS+DsKGlAvDNu3v2rHEFYfvNPFZQ9A9ctSBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T00:46:01.275587Z"},"content_sha256":"bab695b92e30d87a7507f202688493ce367b10f42376bfd0c6e6c877438c1dd8","schema_version":"1.0","event_id":"sha256:bab695b92e30d87a7507f202688493ce367b10f42376bfd0c6e6c877438c1dd8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:SKYE7GMYLLARJ663VTCUXNU7VE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magneto-Optical Properties of InSb for Infrared Spectral Filtering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Caroline A. Ross, Christine Y. Wang, Dennis Callahan, John LeBlanc, Joy C. Perkinson, Juejun Hu, Neil S. Patel, Nolan Peard, Qingyang Du, Takian Fakhrul","submitted_at":"2020-08-19T03:03:36Z","abstract_excerpt":"We present measurements of the Faraday effect in n-type InSb. The Verdet coefficient was determined for a range of carrier concentrations near $10^{17}$ $\\text{cm}^{-3}$ in the $\\lambda$ = 8 $\\mu$m - 12 $\\mu$m long-wave infrared regime. The absorption coefficient was measured and a figure of merit calculated for each sample. From these measurements, we calculated the carrier effective mass and illustrate the variation of the figure of merit with wavelength. A method for creating a tunable bandpass filter via the Faraday rotation is discussed along with preliminary results from a prototype devi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.08235","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2008.08235/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:49:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7LP06aNGO6L8RPBwVnXISCl2XLquUNGJbNfBR7ThcDzksHVNfVuoqAlk65UGsuSarTSjDOMw4h8APm1HHeFoCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T00:46:01.275923Z"},"content_sha256":"09f805d271bc782ec588100c1115033b0e4b08ef4a1143828553346546f08df5","schema_version":"1.0","event_id":"sha256:09f805d271bc782ec588100c1115033b0e4b08ef4a1143828553346546f08df5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SKYE7GMYLLARJ663VTCUXNU7VE/bundle.json","state_url":"https://pith.science/pith/SKYE7GMYLLARJ663VTCUXNU7VE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SKYE7GMYLLARJ663VTCUXNU7VE/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":"2026-08-22T00:46:01Z","links":{"resolver":"https://pith.science/pith/SKYE7GMYLLARJ663VTCUXNU7VE","bundle":"https://pith.science/pith/SKYE7GMYLLARJ663VTCUXNU7VE/bundle.json","state":"https://pith.science/pith/SKYE7GMYLLARJ663VTCUXNU7VE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SKYE7GMYLLARJ663VTCUXNU7VE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:SKYE7GMYLLARJ663VTCUXNU7VE","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":"88ebcb6a06bc9a1ae938c5c0f183cbf6b9c490fe88612ad8b53710c32e3ceab5","cross_cats_sorted":["cond-mat.mtrl-sci","physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-08-19T03:03:36Z","title_canon_sha256":"0c491d2181ef0e4bd4db39bd61c4f6280c46e0c4e0cff01b7e3cab4f39b95158"},"schema_version":"1.0","source":{"id":"2008.08235","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.08235","created_at":"2026-07-05T02:49:12Z"},{"alias_kind":"arxiv_version","alias_value":"2008.08235v2","created_at":"2026-07-05T02:49:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.08235","created_at":"2026-07-05T02:49:12Z"},{"alias_kind":"pith_short_12","alias_value":"SKYE7GMYLLAR","created_at":"2026-07-05T02:49:12Z"},{"alias_kind":"pith_short_16","alias_value":"SKYE7GMYLLARJ663","created_at":"2026-07-05T02:49:12Z"},{"alias_kind":"pith_short_8","alias_value":"SKYE7GMY","created_at":"2026-07-05T02:49:12Z"}],"graph_snapshots":[{"event_id":"sha256:09f805d271bc782ec588100c1115033b0e4b08ef4a1143828553346546f08df5","target":"graph","created_at":"2026-07-05T02:49:12Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2008.08235/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present measurements of the Faraday effect in n-type InSb. The Verdet coefficient was determined for a range of carrier concentrations near $10^{17}$ $\\text{cm}^{-3}$ in the $\\lambda$ = 8 $\\mu$m - 12 $\\mu$m long-wave infrared regime. The absorption coefficient was measured and a figure of merit calculated for each sample. From these measurements, we calculated the carrier effective mass and illustrate the variation of the figure of merit with wavelength. A method for creating a tunable bandpass filter via the Faraday rotation is discussed along with preliminary results from a prototype devi","authors_text":"Caroline A. Ross, Christine Y. Wang, Dennis Callahan, John LeBlanc, Joy C. Perkinson, Juejun Hu, Neil S. Patel, Nolan Peard, Qingyang Du, Takian Fakhrul","cross_cats":["cond-mat.mtrl-sci","physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-08-19T03:03:36Z","title":"Magneto-Optical Properties of InSb for Infrared Spectral Filtering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.08235","kind":"arxiv","version":2},"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:bab695b92e30d87a7507f202688493ce367b10f42376bfd0c6e6c877438c1dd8","target":"record","created_at":"2026-07-05T02:49:12Z","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":"88ebcb6a06bc9a1ae938c5c0f183cbf6b9c490fe88612ad8b53710c32e3ceab5","cross_cats_sorted":["cond-mat.mtrl-sci","physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2020-08-19T03:03:36Z","title_canon_sha256":"0c491d2181ef0e4bd4db39bd61c4f6280c46e0c4e0cff01b7e3cab4f39b95158"},"schema_version":"1.0","source":{"id":"2008.08235","kind":"arxiv","version":2}},"canonical_sha256":"92b04f99985ac114fbdbacc54bb69fa924d4eb0879a7a59448002e64b92c04d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92b04f99985ac114fbdbacc54bb69fa924d4eb0879a7a59448002e64b92c04d2","first_computed_at":"2026-07-05T02:49:12.089213Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:49:12.089213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CVW7Tov09rZy6C3XoKreWSAebDOxV+CooahhhuuVB50FkUNPzhbyc3jyyje8C33sn2BR5oVOauYkHX4DEeNpBw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:49:12.089714Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.08235","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bab695b92e30d87a7507f202688493ce367b10f42376bfd0c6e6c877438c1dd8","sha256:09f805d271bc782ec588100c1115033b0e4b08ef4a1143828553346546f08df5"],"state_sha256":"a1d2da04d6f3863545029ad98b69b338979c095f06b1b028a8cb3f8aa768fe98"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mjq8P6x4zsFNWYeKIjScYJwQqvuM0Gs+vrVBUSfcpC0PvnucV9FtZCUXcuaFL7Je9lx+qyW7sWMDT8i+nFORDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T00:46:01.279058Z","bundle_sha256":"b97e00b42dbcb118b61229c60da9e71129ba949cd0be6a9bf40c719a01fcd850"}}