{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:U3MSDQ4BGSWUMKG3ZNH6LE2FBC","short_pith_number":"pith:U3MSDQ4B","canonical_record":{"source":{"id":"1208.2619","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-08-13T15:48:22Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"e627d327f68f6c6298bd50d69f1f35fbb7a7883e834574b3cf8592aa3a62eb0a","abstract_canon_sha256":"28bff2d1d3f2fc2e38cf3ab1b1fdb24c7237d5cd3c35ad89f831b252e6921b9c"},"schema_version":"1.0"},"canonical_sha256":"a6d921c38134ad4628dbcb4fe5934508a988a11b76147175cc93b15618b211d0","source":{"kind":"arxiv","id":"1208.2619","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.2619","created_at":"2026-05-18T01:55:16Z"},{"alias_kind":"arxiv_version","alias_value":"1208.2619v1","created_at":"2026-05-18T01:55:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.2619","created_at":"2026-05-18T01:55:16Z"},{"alias_kind":"pith_short_12","alias_value":"U3MSDQ4BGSWU","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"U3MSDQ4BGSWUMKG3","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"U3MSDQ4B","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:U3MSDQ4BGSWUMKG3ZNH6LE2FBC","target":"record","payload":{"canonical_record":{"source":{"id":"1208.2619","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-08-13T15:48:22Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"e627d327f68f6c6298bd50d69f1f35fbb7a7883e834574b3cf8592aa3a62eb0a","abstract_canon_sha256":"28bff2d1d3f2fc2e38cf3ab1b1fdb24c7237d5cd3c35ad89f831b252e6921b9c"},"schema_version":"1.0"},"canonical_sha256":"a6d921c38134ad4628dbcb4fe5934508a988a11b76147175cc93b15618b211d0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:16.386644Z","signature_b64":"VG0IV0lZaXYFkChge5fsoO5m/7GkekjCjklYcgQQ9ozmEKNhj11XD8qIGDjRQtP9Ro05HM0/iSM75TZblBgQDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6d921c38134ad4628dbcb4fe5934508a988a11b76147175cc93b15618b211d0","last_reissued_at":"2026-05-18T01:55:16.386249Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:16.386249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.2619","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":"2026-05-18T01:55:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vrsLHUf7/oHeus79gqNjd+Uy9sp3L9HPhHfr0HFZCZs6zH5kLLhcacutNNRybdS+zPNEG/grClT/OWztQaELDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:12:49.544991Z"},"content_sha256":"9d772c37b90ca4715a632500f2172a2e2e246ce027453e0124cd4145f4131a00","schema_version":"1.0","event_id":"sha256:9d772c37b90ca4715a632500f2172a2e2e246ce027453e0124cd4145f4131a00"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:U3MSDQ4BGSWUMKG3ZNH6LE2FBC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tunable photo-galvanic effect on topological insulator surfaces via proximity interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Ki Wook Kim, Xiaodong Li, Yuriy G. Semenov","submitted_at":"2012-08-13T15:48:22Z","abstract_excerpt":"An unusual photo-galvanic effect is predicted on the topological insulator surface when its semi-metallic electronic spectrum is modified by an adjacent ferromagnet. The effect is correlated with light absorption in a wide frequency range (from a few to hundreds of meV) and produces a pronounced response that is not only resonant to the photon energy but also tunable by an external electrical bias. The exceptionally strong peak photocurrent of the order of $\\mu$A/cm may be achieved at elevated temperatures with the illumination power of 1 W/cm$^2$ in the THz range on Bi$_2$Se$_3$. These advant"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.2619","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":"2026-05-18T01:55:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jHdPKWCVL1hH8N049bRwgxnVx1jgCHj5XUoIbgnj4VNjYscXGQusMr7xR/Oiizv5jWD1cxgYq980likgRrGeAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:12:49.545663Z"},"content_sha256":"ca7f77cf68e8d6f9d0c602768d978c887298cc1697d4908d8d13569d9de88df1","schema_version":"1.0","event_id":"sha256:ca7f77cf68e8d6f9d0c602768d978c887298cc1697d4908d8d13569d9de88df1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U3MSDQ4BGSWUMKG3ZNH6LE2FBC/bundle.json","state_url":"https://pith.science/pith/U3MSDQ4BGSWUMKG3ZNH6LE2FBC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U3MSDQ4BGSWUMKG3ZNH6LE2FBC/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":"2026-05-27T02:12:49Z","links":{"resolver":"https://pith.science/pith/U3MSDQ4BGSWUMKG3ZNH6LE2FBC","bundle":"https://pith.science/pith/U3MSDQ4BGSWUMKG3ZNH6LE2FBC/bundle.json","state":"https://pith.science/pith/U3MSDQ4BGSWUMKG3ZNH6LE2FBC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U3MSDQ4BGSWUMKG3ZNH6LE2FBC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:U3MSDQ4BGSWUMKG3ZNH6LE2FBC","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":"28bff2d1d3f2fc2e38cf3ab1b1fdb24c7237d5cd3c35ad89f831b252e6921b9c","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-08-13T15:48:22Z","title_canon_sha256":"e627d327f68f6c6298bd50d69f1f35fbb7a7883e834574b3cf8592aa3a62eb0a"},"schema_version":"1.0","source":{"id":"1208.2619","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.2619","created_at":"2026-05-18T01:55:16Z"},{"alias_kind":"arxiv_version","alias_value":"1208.2619v1","created_at":"2026-05-18T01:55:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.2619","created_at":"2026-05-18T01:55:16Z"},{"alias_kind":"pith_short_12","alias_value":"U3MSDQ4BGSWU","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"U3MSDQ4BGSWUMKG3","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"U3MSDQ4B","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:ca7f77cf68e8d6f9d0c602768d978c887298cc1697d4908d8d13569d9de88df1","target":"graph","created_at":"2026-05-18T01:55:16Z","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":"An unusual photo-galvanic effect is predicted on the topological insulator surface when its semi-metallic electronic spectrum is modified by an adjacent ferromagnet. The effect is correlated with light absorption in a wide frequency range (from a few to hundreds of meV) and produces a pronounced response that is not only resonant to the photon energy but also tunable by an external electrical bias. The exceptionally strong peak photocurrent of the order of $\\mu$A/cm may be achieved at elevated temperatures with the illumination power of 1 W/cm$^2$ in the THz range on Bi$_2$Se$_3$. These advant","authors_text":"Ki Wook Kim, Xiaodong Li, Yuriy G. Semenov","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-08-13T15:48:22Z","title":"Tunable photo-galvanic effect on topological insulator surfaces via proximity interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.2619","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":"sha256:9d772c37b90ca4715a632500f2172a2e2e246ce027453e0124cd4145f4131a00","target":"record","created_at":"2026-05-18T01:55:16Z","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":"28bff2d1d3f2fc2e38cf3ab1b1fdb24c7237d5cd3c35ad89f831b252e6921b9c","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-08-13T15:48:22Z","title_canon_sha256":"e627d327f68f6c6298bd50d69f1f35fbb7a7883e834574b3cf8592aa3a62eb0a"},"schema_version":"1.0","source":{"id":"1208.2619","kind":"arxiv","version":1}},"canonical_sha256":"a6d921c38134ad4628dbcb4fe5934508a988a11b76147175cc93b15618b211d0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a6d921c38134ad4628dbcb4fe5934508a988a11b76147175cc93b15618b211d0","first_computed_at":"2026-05-18T01:55:16.386249Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:16.386249Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VG0IV0lZaXYFkChge5fsoO5m/7GkekjCjklYcgQQ9ozmEKNhj11XD8qIGDjRQtP9Ro05HM0/iSM75TZblBgQDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:16.386644Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.2619","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9d772c37b90ca4715a632500f2172a2e2e246ce027453e0124cd4145f4131a00","sha256:ca7f77cf68e8d6f9d0c602768d978c887298cc1697d4908d8d13569d9de88df1"],"state_sha256":"9de53bdd70b9f16e4eddcd2830b7185c0d93215be6f6882b7148ccb223f70ea7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RgRdqoONvk0NydxybSBmPPYrIuFTUrquDR2Cg0wpyn3Nxi94jAoio/bw6vPW5wVr3Q9Q8gPjGY30TGgkIYyaCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:12:49.549002Z","bundle_sha256":"3064d9a0b6b9c8b37a6adb523b5a8d09b88754146f03a14485bade0d4f0d9402"}}