{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:UTKBRY3OYCC34UVJNNTI3K5GPI","short_pith_number":"pith:UTKBRY3O","canonical_record":{"source":{"id":"1603.02113","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-07T15:36:22Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"66e31d724ea886d516361c3b7b3cdd28a580d2ae54d3537a75c1c3d8b60517a5","abstract_canon_sha256":"1e834fedcaa4ecd8f9012fb2d70e6a8314047284e80b624574872e19829a7763"},"schema_version":"1.0"},"canonical_sha256":"a4d418e36ec085be52a96b668daba67a2a41c6d6bb26e367ca8ba758287f488b","source":{"kind":"arxiv","id":"1603.02113","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.02113","created_at":"2026-05-18T01:19:10Z"},{"alias_kind":"arxiv_version","alias_value":"1603.02113v1","created_at":"2026-05-18T01:19:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.02113","created_at":"2026-05-18T01:19:10Z"},{"alias_kind":"pith_short_12","alias_value":"UTKBRY3OYCC3","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UTKBRY3OYCC34UVJ","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UTKBRY3O","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:UTKBRY3OYCC34UVJNNTI3K5GPI","target":"record","payload":{"canonical_record":{"source":{"id":"1603.02113","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-07T15:36:22Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"66e31d724ea886d516361c3b7b3cdd28a580d2ae54d3537a75c1c3d8b60517a5","abstract_canon_sha256":"1e834fedcaa4ecd8f9012fb2d70e6a8314047284e80b624574872e19829a7763"},"schema_version":"1.0"},"canonical_sha256":"a4d418e36ec085be52a96b668daba67a2a41c6d6bb26e367ca8ba758287f488b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:10.668880Z","signature_b64":"N2yMfutqKYwmJabTX6hcktln//xGf3ax5RMbzMLMxHhMCw0dCZgCnmoV/REYEeaAiysdvo/nOZww27sLCN6BBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4d418e36ec085be52a96b668daba67a2a41c6d6bb26e367ca8ba758287f488b","last_reissued_at":"2026-05-18T01:19:10.668118Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:10.668118Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.02113","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":"2026-05-18T01:19:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B+gqWRD2H8Sv8PfOGEOAJn3xUfy2cFp+LKpGb9XCOyt/gYbrndl5DSF0omgYbtGVjucOIyzTudm/wTaMOIrjCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T17:01:06.598837Z"},"content_sha256":"8e5cd6dfb9a12daf930d3116a4c792e12ca2e1bd4c762cb1deee0bb030c4cc7e","schema_version":"1.0","event_id":"sha256:8e5cd6dfb9a12daf930d3116a4c792e12ca2e1bd4c762cb1deee0bb030c4cc7e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:UTKBRY3OYCC34UVJNNTI3K5GPI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of topological Faraday and Kerr rotations in quantum anomalous Hall state by terahertz magneto-optics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Tsukazaki, K. N. Okada, K. S. Takahashi, M. Kawasaki, M. Mogi, N. Ogawa, R. Yoshimi, Y. Takahashi, Y. Tokura","submitted_at":"2016-03-07T15:36:22Z","abstract_excerpt":"Electrodynamic responses from three-dimensional (3D) topological insulators (TIs) are characterized by the universal magnetoelectric $E\\cdot B$ term constituent of the Lagrangian formalism. The quantized magnetoelectric coupling, which is generally referred to as topological magnetoelectric (TME) effect, has been predicted to induce exotic phenomena including the universal low-energy magneto-optical effects. Here we report the experimental demonstration of the long-sought TME effect, which is exemplified by magneto-optical Faraday and Kerr rotations in the quantum anomalous Hall (QAH) states o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.02113","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":"2026-05-18T01:19:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+QfaJF+zt+uytcBtIJtFP6XwsKynkIrQVL4xa9epD8coFpl8b/+RlVp2OiWb3sHjr7omQ0WHgIFq7KlKyfYUCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T17:01:06.599524Z"},"content_sha256":"68b7dfc72bdd0b70cd6812987ab927c87a71d912c2b2ce4042aa409042fa9d3a","schema_version":"1.0","event_id":"sha256:68b7dfc72bdd0b70cd6812987ab927c87a71d912c2b2ce4042aa409042fa9d3a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UTKBRY3OYCC34UVJNNTI3K5GPI/bundle.json","state_url":"https://pith.science/pith/UTKBRY3OYCC34UVJNNTI3K5GPI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UTKBRY3OYCC34UVJNNTI3K5GPI/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":"2026-05-24T17:01:06Z","links":{"resolver":"https://pith.science/pith/UTKBRY3OYCC34UVJNNTI3K5GPI","bundle":"https://pith.science/pith/UTKBRY3OYCC34UVJNNTI3K5GPI/bundle.json","state":"https://pith.science/pith/UTKBRY3OYCC34UVJNNTI3K5GPI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UTKBRY3OYCC34UVJNNTI3K5GPI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UTKBRY3OYCC34UVJNNTI3K5GPI","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":"1e834fedcaa4ecd8f9012fb2d70e6a8314047284e80b624574872e19829a7763","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-07T15:36:22Z","title_canon_sha256":"66e31d724ea886d516361c3b7b3cdd28a580d2ae54d3537a75c1c3d8b60517a5"},"schema_version":"1.0","source":{"id":"1603.02113","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.02113","created_at":"2026-05-18T01:19:10Z"},{"alias_kind":"arxiv_version","alias_value":"1603.02113v1","created_at":"2026-05-18T01:19:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.02113","created_at":"2026-05-18T01:19:10Z"},{"alias_kind":"pith_short_12","alias_value":"UTKBRY3OYCC3","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UTKBRY3OYCC34UVJ","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UTKBRY3O","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:68b7dfc72bdd0b70cd6812987ab927c87a71d912c2b2ce4042aa409042fa9d3a","target":"graph","created_at":"2026-05-18T01:19:10Z","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":"Electrodynamic responses from three-dimensional (3D) topological insulators (TIs) are characterized by the universal magnetoelectric $E\\cdot B$ term constituent of the Lagrangian formalism. The quantized magnetoelectric coupling, which is generally referred to as topological magnetoelectric (TME) effect, has been predicted to induce exotic phenomena including the universal low-energy magneto-optical effects. Here we report the experimental demonstration of the long-sought TME effect, which is exemplified by magneto-optical Faraday and Kerr rotations in the quantum anomalous Hall (QAH) states o","authors_text":"A. Tsukazaki, K. N. Okada, K. S. Takahashi, M. Kawasaki, M. Mogi, N. Ogawa, R. Yoshimi, Y. Takahashi, Y. Tokura","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-07T15:36:22Z","title":"Observation of topological Faraday and Kerr rotations in quantum anomalous Hall state by terahertz magneto-optics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.02113","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":"sha256:8e5cd6dfb9a12daf930d3116a4c792e12ca2e1bd4c762cb1deee0bb030c4cc7e","target":"record","created_at":"2026-05-18T01:19:10Z","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":"1e834fedcaa4ecd8f9012fb2d70e6a8314047284e80b624574872e19829a7763","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-07T15:36:22Z","title_canon_sha256":"66e31d724ea886d516361c3b7b3cdd28a580d2ae54d3537a75c1c3d8b60517a5"},"schema_version":"1.0","source":{"id":"1603.02113","kind":"arxiv","version":1}},"canonical_sha256":"a4d418e36ec085be52a96b668daba67a2a41c6d6bb26e367ca8ba758287f488b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a4d418e36ec085be52a96b668daba67a2a41c6d6bb26e367ca8ba758287f488b","first_computed_at":"2026-05-18T01:19:10.668118Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:10.668118Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N2yMfutqKYwmJabTX6hcktln//xGf3ax5RMbzMLMxHhMCw0dCZgCnmoV/REYEeaAiysdvo/nOZww27sLCN6BBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:10.668880Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.02113","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e5cd6dfb9a12daf930d3116a4c792e12ca2e1bd4c762cb1deee0bb030c4cc7e","sha256:68b7dfc72bdd0b70cd6812987ab927c87a71d912c2b2ce4042aa409042fa9d3a"],"state_sha256":"d414c27cc9822e25dd1a76c585c87de209534e157f570029ca97b6cf9a2e241e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NqxJkEvF0Vhk406yaaIkaG+Q02IzqL1MPx+s7x4wnBUOG0frr9oy27UQyCbQUggJ9cu2UkSWGde3dHuN63fRCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T17:01:06.603395Z","bundle_sha256":"c723fe7731fcf685539bc6b0bc6eed13a00ed15894618806c97b5575a0c0f462"}}