{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:PZ72L6AQZQI6NSBSF7PZSRBUKQ","short_pith_number":"pith:PZ72L6AQ","canonical_record":{"source":{"id":"2509.20139","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-09-24T14:02:45Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"2f988d7273db7bc50d7a986850af412326cc45f706241bb5bda9c30d35ebe2c0","abstract_canon_sha256":"9c8a6517919033026f4bc7b527ac6da3d09943c0ee6388e05807424457e89bc3"},"schema_version":"1.0"},"canonical_sha256":"7e7fa5f810cc11e6c8322fdf994434542406149a7a3feebaae5206576ab8babc","source":{"kind":"arxiv","id":"2509.20139","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.20139","created_at":"2026-05-20T02:05:36Z"},{"alias_kind":"arxiv_version","alias_value":"2509.20139v2","created_at":"2026-05-20T02:05:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.20139","created_at":"2026-05-20T02:05:36Z"},{"alias_kind":"pith_short_12","alias_value":"PZ72L6AQZQI6","created_at":"2026-05-20T02:05:36Z"},{"alias_kind":"pith_short_16","alias_value":"PZ72L6AQZQI6NSBS","created_at":"2026-05-20T02:05:36Z"},{"alias_kind":"pith_short_8","alias_value":"PZ72L6AQ","created_at":"2026-05-20T02:05:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:PZ72L6AQZQI6NSBSF7PZSRBUKQ","target":"record","payload":{"canonical_record":{"source":{"id":"2509.20139","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-09-24T14:02:45Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"2f988d7273db7bc50d7a986850af412326cc45f706241bb5bda9c30d35ebe2c0","abstract_canon_sha256":"9c8a6517919033026f4bc7b527ac6da3d09943c0ee6388e05807424457e89bc3"},"schema_version":"1.0"},"canonical_sha256":"7e7fa5f810cc11e6c8322fdf994434542406149a7a3feebaae5206576ab8babc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T02:05:36.519154Z","signature_b64":"Y/UFmNYBSJ87WRFNKDkMKHDvNgVSZeEnPeyDK60sd3zBCf9qw8Eug/lU+Br/VQ3zH0I/WjA2bpgyFPiGojkzAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e7fa5f810cc11e6c8322fdf994434542406149a7a3feebaae5206576ab8babc","last_reissued_at":"2026-05-20T02:05:36.518382Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T02:05:36.518382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2509.20139","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":"2026-05-20T02:05:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KrxATG/FeHevuCK+FrXi1WcPsw+JcH62CbIBmLjUlO9U4Su32vPihOflKxulQWFaSywMeo2+pbfUTcsK0kQ1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T03:33:48.275933Z"},"content_sha256":"b7e9b95103f78bb175d834c574ad1c01f8a4b75dea68c1db2708eb57d8a20f24","schema_version":"1.0","event_id":"sha256:b7e9b95103f78bb175d834c574ad1c01f8a4b75dea68c1db2708eb57d8a20f24"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:PZ72L6AQZQI6NSBSF7PZSRBUKQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inherent electro-optic Kerr rotation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alireza Qaiumzadeh, Arne Brataas, Erlend Sylju{\\aa}sen, Rembert A. Duine","submitted_at":"2025-09-24T14:02:45Z","abstract_excerpt":"We uncover a previously overlooked contribution to the electro-optic Kerr rotation of reflected light, arising from the interplay of matter, the static electric field, and the magnetic component of light. This contribution remains nonzero even in isotropic nonmagnetic homogeneous systems. We derive analytical expressions for the Kerr rotation in both two-dimensional layers and semi-infinite systems. Within the relaxation-time approximation, we predict experimentally accessible signal magnitudes in metals. This inherent mechanism thereby opens opportunities for probing electronic properties in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.20139","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/2509.20139/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":"2026-05-20T02:05:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ogOiU2cnGeH6F6248cr5XJnGfFftSqoOijz5LzgNdSe336vIPb6yr2Mf/BCP4lDfg88cc9ul0a6UOFv83RwdAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T03:33:48.276641Z"},"content_sha256":"3268256c982e594c9860a71a594d5c71a6f9f58257a574dad180e1a46273e850","schema_version":"1.0","event_id":"sha256:3268256c982e594c9860a71a594d5c71a6f9f58257a574dad180e1a46273e850"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PZ72L6AQZQI6NSBSF7PZSRBUKQ/bundle.json","state_url":"https://pith.science/pith/PZ72L6AQZQI6NSBSF7PZSRBUKQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PZ72L6AQZQI6NSBSF7PZSRBUKQ/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":"2026-06-11T03:33:48Z","links":{"resolver":"https://pith.science/pith/PZ72L6AQZQI6NSBSF7PZSRBUKQ","bundle":"https://pith.science/pith/PZ72L6AQZQI6NSBSF7PZSRBUKQ/bundle.json","state":"https://pith.science/pith/PZ72L6AQZQI6NSBSF7PZSRBUKQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PZ72L6AQZQI6NSBSF7PZSRBUKQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:PZ72L6AQZQI6NSBSF7PZSRBUKQ","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":"9c8a6517919033026f4bc7b527ac6da3d09943c0ee6388e05807424457e89bc3","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-09-24T14:02:45Z","title_canon_sha256":"2f988d7273db7bc50d7a986850af412326cc45f706241bb5bda9c30d35ebe2c0"},"schema_version":"1.0","source":{"id":"2509.20139","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.20139","created_at":"2026-05-20T02:05:36Z"},{"alias_kind":"arxiv_version","alias_value":"2509.20139v2","created_at":"2026-05-20T02:05:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.20139","created_at":"2026-05-20T02:05:36Z"},{"alias_kind":"pith_short_12","alias_value":"PZ72L6AQZQI6","created_at":"2026-05-20T02:05:36Z"},{"alias_kind":"pith_short_16","alias_value":"PZ72L6AQZQI6NSBS","created_at":"2026-05-20T02:05:36Z"},{"alias_kind":"pith_short_8","alias_value":"PZ72L6AQ","created_at":"2026-05-20T02:05:36Z"}],"graph_snapshots":[{"event_id":"sha256:3268256c982e594c9860a71a594d5c71a6f9f58257a574dad180e1a46273e850","target":"graph","created_at":"2026-05-20T02:05:36Z","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/2509.20139/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We uncover a previously overlooked contribution to the electro-optic Kerr rotation of reflected light, arising from the interplay of matter, the static electric field, and the magnetic component of light. This contribution remains nonzero even in isotropic nonmagnetic homogeneous systems. We derive analytical expressions for the Kerr rotation in both two-dimensional layers and semi-infinite systems. Within the relaxation-time approximation, we predict experimentally accessible signal magnitudes in metals. This inherent mechanism thereby opens opportunities for probing electronic properties in ","authors_text":"Alireza Qaiumzadeh, Arne Brataas, Erlend Sylju{\\aa}sen, Rembert A. Duine","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-09-24T14:02:45Z","title":"Inherent electro-optic Kerr rotation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.20139","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:b7e9b95103f78bb175d834c574ad1c01f8a4b75dea68c1db2708eb57d8a20f24","target":"record","created_at":"2026-05-20T02:05:36Z","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":"9c8a6517919033026f4bc7b527ac6da3d09943c0ee6388e05807424457e89bc3","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-09-24T14:02:45Z","title_canon_sha256":"2f988d7273db7bc50d7a986850af412326cc45f706241bb5bda9c30d35ebe2c0"},"schema_version":"1.0","source":{"id":"2509.20139","kind":"arxiv","version":2}},"canonical_sha256":"7e7fa5f810cc11e6c8322fdf994434542406149a7a3feebaae5206576ab8babc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e7fa5f810cc11e6c8322fdf994434542406149a7a3feebaae5206576ab8babc","first_computed_at":"2026-05-20T02:05:36.518382Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T02:05:36.518382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y/UFmNYBSJ87WRFNKDkMKHDvNgVSZeEnPeyDK60sd3zBCf9qw8Eug/lU+Br/VQ3zH0I/WjA2bpgyFPiGojkzAA==","signature_status":"signed_v1","signed_at":"2026-05-20T02:05:36.519154Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.20139","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b7e9b95103f78bb175d834c574ad1c01f8a4b75dea68c1db2708eb57d8a20f24","sha256:3268256c982e594c9860a71a594d5c71a6f9f58257a574dad180e1a46273e850"],"state_sha256":"620172a18a20f98a6f25f2c8a286a6dc3251165d962a208aac61eaf01f618e89"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SoZq0QU3Mrl7Ggak4ZnIrIxaK1fR3WG1Ucs48VV+muMOgdeTNFki1sDbFHnfevcvtNftSPa5P6yA6gBWMSeJBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T03:33:48.281023Z","bundle_sha256":"9d86b5a96d0800e9e5793b6e299927cde9f3d7ffee7a3fdaaf1f4635999378fc"}}