{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IY4JOFS46GX2HJWPEA3J3SRJRA","short_pith_number":"pith:IY4JOFS4","canonical_record":{"source":{"id":"1612.07005","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-12-21T08:11:46Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"5478147cd7d356f6ab7366e4de8b943227606e1c1881684620e8d0fc2ecf1aca","abstract_canon_sha256":"52dd2940e523ccc3bc79a0b35a881c28319a8698084aea1a9bcfbf7ecab8108f"},"schema_version":"1.0"},"canonical_sha256":"463897165cf1afa3a6cf20369dca29883d0070e2dde692803a1da872fd3cb5ac","source":{"kind":"arxiv","id":"1612.07005","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.07005","created_at":"2026-05-18T00:30:06Z"},{"alias_kind":"arxiv_version","alias_value":"1612.07005v2","created_at":"2026-05-18T00:30:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.07005","created_at":"2026-05-18T00:30:06Z"},{"alias_kind":"pith_short_12","alias_value":"IY4JOFS46GX2","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IY4JOFS46GX2HJWP","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IY4JOFS4","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IY4JOFS46GX2HJWPEA3J3SRJRA","target":"record","payload":{"canonical_record":{"source":{"id":"1612.07005","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-12-21T08:11:46Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"5478147cd7d356f6ab7366e4de8b943227606e1c1881684620e8d0fc2ecf1aca","abstract_canon_sha256":"52dd2940e523ccc3bc79a0b35a881c28319a8698084aea1a9bcfbf7ecab8108f"},"schema_version":"1.0"},"canonical_sha256":"463897165cf1afa3a6cf20369dca29883d0070e2dde692803a1da872fd3cb5ac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:30:06.116914Z","signature_b64":"gWpZi94GAO9HySABsKCiOlvSLQbjg+IU++f3P7w50qbw5j0U3wcNMucjVwplHlfhYvunjQkfSm78zJ3d0MJzDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"463897165cf1afa3a6cf20369dca29883d0070e2dde692803a1da872fd3cb5ac","last_reissued_at":"2026-05-18T00:30:06.116189Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:30:06.116189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.07005","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":"2026-05-18T00:30:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fcoun4eNJLqQIFhtWyVs2A7SmQRV9KCUjxuiCXpiVb7MoZ0ZZ3UEWbH1dkZZx9Bryw/6q/hgYGgQqcxN8JdUCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:21:02.057282Z"},"content_sha256":"862359d865e57c099236298b65da28794fff7005f86d6202f63ca25eaf4d9b8f","schema_version":"1.0","event_id":"sha256:862359d865e57c099236298b65da28794fff7005f86d6202f63ca25eaf4d9b8f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IY4JOFS46GX2HJWPEA3J3SRJRA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Anomalous Circular Photogalvanic Effect in the Weyl Semimetal TaAs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.str-el","authors_text":"Cong Guo, Genfu Chen, Huaixin Yang, Huanfang Tian, Jianqi Li, Kai Sun, Linlin Wei, Shuaishuai Sun","submitted_at":"2016-12-21T08:11:46Z","abstract_excerpt":"Weyl semimetal (WSM) is expected to be an ideal spintronic material owing to its spin currents carried by the bulk and surface states with spin-momentum locking. A photocurrent generation in noncentrosymmetric WSM was also predicted owing to its broken inversion symmetry and linear energy dispersion which are unique to Weyl systems. In our recent measurements, the circular photogalvanic effect (CPGE) has been demonstrated in WSM of TaAs. The CPGE voltage is proportional to the helicity of the incident light and reverses its direction on changing the radiation helicity from left handed to right"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.07005","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":""},"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":"2026-05-18T00:30:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1SWuJ2Kr2yXfjc9Agk/Q1xhnv9PZElvM1JXzf9ZjFexYhcsH7Gvm8oVd5ArcOpF4DREjrIP1Qh1oZbMuFThHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:21:02.057905Z"},"content_sha256":"fca41666bf283ccd0d3a3e3f14b7f568cc003fb5875c4127fa65d7e2fdb2dce4","schema_version":"1.0","event_id":"sha256:fca41666bf283ccd0d3a3e3f14b7f568cc003fb5875c4127fa65d7e2fdb2dce4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IY4JOFS46GX2HJWPEA3J3SRJRA/bundle.json","state_url":"https://pith.science/pith/IY4JOFS46GX2HJWPEA3J3SRJRA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IY4JOFS46GX2HJWPEA3J3SRJRA/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":"2026-05-26T21:21:02Z","links":{"resolver":"https://pith.science/pith/IY4JOFS46GX2HJWPEA3J3SRJRA","bundle":"https://pith.science/pith/IY4JOFS46GX2HJWPEA3J3SRJRA/bundle.json","state":"https://pith.science/pith/IY4JOFS46GX2HJWPEA3J3SRJRA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IY4JOFS46GX2HJWPEA3J3SRJRA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IY4JOFS46GX2HJWPEA3J3SRJRA","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":"52dd2940e523ccc3bc79a0b35a881c28319a8698084aea1a9bcfbf7ecab8108f","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-12-21T08:11:46Z","title_canon_sha256":"5478147cd7d356f6ab7366e4de8b943227606e1c1881684620e8d0fc2ecf1aca"},"schema_version":"1.0","source":{"id":"1612.07005","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.07005","created_at":"2026-05-18T00:30:06Z"},{"alias_kind":"arxiv_version","alias_value":"1612.07005v2","created_at":"2026-05-18T00:30:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.07005","created_at":"2026-05-18T00:30:06Z"},{"alias_kind":"pith_short_12","alias_value":"IY4JOFS46GX2","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IY4JOFS46GX2HJWP","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IY4JOFS4","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:fca41666bf283ccd0d3a3e3f14b7f568cc003fb5875c4127fa65d7e2fdb2dce4","target":"graph","created_at":"2026-05-18T00:30:06Z","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":"Weyl semimetal (WSM) is expected to be an ideal spintronic material owing to its spin currents carried by the bulk and surface states with spin-momentum locking. A photocurrent generation in noncentrosymmetric WSM was also predicted owing to its broken inversion symmetry and linear energy dispersion which are unique to Weyl systems. In our recent measurements, the circular photogalvanic effect (CPGE) has been demonstrated in WSM of TaAs. The CPGE voltage is proportional to the helicity of the incident light and reverses its direction on changing the radiation helicity from left handed to right","authors_text":"Cong Guo, Genfu Chen, Huaixin Yang, Huanfang Tian, Jianqi Li, Kai Sun, Linlin Wei, Shuaishuai Sun","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-12-21T08:11:46Z","title":"An Anomalous Circular Photogalvanic Effect in the Weyl Semimetal TaAs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.07005","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":"sha256:862359d865e57c099236298b65da28794fff7005f86d6202f63ca25eaf4d9b8f","target":"record","created_at":"2026-05-18T00:30:06Z","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":"52dd2940e523ccc3bc79a0b35a881c28319a8698084aea1a9bcfbf7ecab8108f","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-12-21T08:11:46Z","title_canon_sha256":"5478147cd7d356f6ab7366e4de8b943227606e1c1881684620e8d0fc2ecf1aca"},"schema_version":"1.0","source":{"id":"1612.07005","kind":"arxiv","version":2}},"canonical_sha256":"463897165cf1afa3a6cf20369dca29883d0070e2dde692803a1da872fd3cb5ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"463897165cf1afa3a6cf20369dca29883d0070e2dde692803a1da872fd3cb5ac","first_computed_at":"2026-05-18T00:30:06.116189Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:30:06.116189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gWpZi94GAO9HySABsKCiOlvSLQbjg+IU++f3P7w50qbw5j0U3wcNMucjVwplHlfhYvunjQkfSm78zJ3d0MJzDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:30:06.116914Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.07005","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:862359d865e57c099236298b65da28794fff7005f86d6202f63ca25eaf4d9b8f","sha256:fca41666bf283ccd0d3a3e3f14b7f568cc003fb5875c4127fa65d7e2fdb2dce4"],"state_sha256":"cfcd39ca283853fdbdfafec2da8544843e9fe2a9b04cdd19fce177db7a211c1c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P2iQysARxItT5dBrTkKe1mRNR7rYwfmyVY4i606j3v799wdW5cV3oLVyk7MKwM1TB6sug/oD9crr1HJ03NowAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:21:02.060656Z","bundle_sha256":"0289318709c6ee35db38253be9570cdc3f2703fe1b657795d30673c1d8457149"}}