{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:JHTTYHR4Y2PPEUJYH2I4L5BDPA","short_pith_number":"pith:JHTTYHR4","canonical_record":{"source":{"id":"2406.16603","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-06-24T12:45:07Z","cross_cats_sorted":[],"title_canon_sha256":"e467b362501e0b28d92d91c5ea765bf87f8b9b38774a8a784207f929d10b823d","abstract_canon_sha256":"072b42aeafddaeed98282c368094c71654ae224652c2e2d94d0206bb61bd6f14"},"schema_version":"1.0"},"canonical_sha256":"49e73c1e3cc69ef251383e91c5f42378389863ba70dee987b7437a53adc3b506","source":{"kind":"arxiv","id":"2406.16603","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.16603","created_at":"2026-07-05T08:36:01Z"},{"alias_kind":"arxiv_version","alias_value":"2406.16603v1","created_at":"2026-07-05T08:36:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.16603","created_at":"2026-07-05T08:36:01Z"},{"alias_kind":"pith_short_12","alias_value":"JHTTYHR4Y2PP","created_at":"2026-07-05T08:36:01Z"},{"alias_kind":"pith_short_16","alias_value":"JHTTYHR4Y2PPEUJY","created_at":"2026-07-05T08:36:01Z"},{"alias_kind":"pith_short_8","alias_value":"JHTTYHR4","created_at":"2026-07-05T08:36:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:JHTTYHR4Y2PPEUJYH2I4L5BDPA","target":"record","payload":{"canonical_record":{"source":{"id":"2406.16603","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-06-24T12:45:07Z","cross_cats_sorted":[],"title_canon_sha256":"e467b362501e0b28d92d91c5ea765bf87f8b9b38774a8a784207f929d10b823d","abstract_canon_sha256":"072b42aeafddaeed98282c368094c71654ae224652c2e2d94d0206bb61bd6f14"},"schema_version":"1.0"},"canonical_sha256":"49e73c1e3cc69ef251383e91c5f42378389863ba70dee987b7437a53adc3b506","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:36:01.167156Z","signature_b64":"a8sp9VTVuS9fGFFeV8OvgEBDRDI3xbA/mVby+ZI02O7179ky8+EuH4dXmHKBRl5sN6btIAPW8J+lDtbCiO2gAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49e73c1e3cc69ef251383e91c5f42378389863ba70dee987b7437a53adc3b506","last_reissued_at":"2026-07-05T08:36:01.166682Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:36:01.166682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.16603","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":"2026-07-05T08:36:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QOLVOr6S3y4kF1lMJTbVtbBQxZUjhEifNsk8644angVdVKdlI0tlyqINQDcCPN/hX5SeZof/Dx1xHnppxP4MBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T04:58:31.023481Z"},"content_sha256":"76742d3d826c9d7f0ba57c9caf470a4a76dee3f62e39c765ee2b245025e9590d","schema_version":"1.0","event_id":"sha256:76742d3d826c9d7f0ba57c9caf470a4a76dee3f62e39c765ee2b245025e9590d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:JHTTYHR4Y2PPEUJYH2I4L5BDPA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bipolarized Weyl semimetals and quantum crystal valley Hall effect in two-dimensional altermagnetic materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chao-Yang Tan, Huan-Cheng Yang, Kai Liu, Peng-Jie Guo, Ze-Feng Gao, Zhong-Yi Lu","submitted_at":"2024-06-24T12:45:07Z","abstract_excerpt":"Magnetism and topology are two major areas of condensed matter physics. The combination of magnetism and topology gives rise to more novel physical effects, which have attracted strongly theoretical and experimental attention. Recently, the concept of altermagnetism has been introduced, characterized by a dual nature: real-space antiferromagnetism and reciprocal-space anisotropic spin polarization. The amalgamation of altermagnetism with topology may lead to the emergence of previously unobserved topological phases and the associated physical effects. In this study, utilizing a four-band latti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.16603","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2406.16603/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":"2026-07-05T08:36:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a8t8x1NzZSUwdW+PoMStglZjkOifJ073IgvgJbfWIdcj3jxXf0Y5J0kwRxQbbXZNdVvdvRHxWFNmuUwY+LrKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T04:58:31.023980Z"},"content_sha256":"421e59a3a60da939b3e4bca2976bc08b76f3b1fb72c0fa57ef6216eeb912cd00","schema_version":"1.0","event_id":"sha256:421e59a3a60da939b3e4bca2976bc08b76f3b1fb72c0fa57ef6216eeb912cd00"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JHTTYHR4Y2PPEUJYH2I4L5BDPA/bundle.json","state_url":"https://pith.science/pith/JHTTYHR4Y2PPEUJYH2I4L5BDPA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JHTTYHR4Y2PPEUJYH2I4L5BDPA/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":"2026-08-05T04:58:31Z","links":{"resolver":"https://pith.science/pith/JHTTYHR4Y2PPEUJYH2I4L5BDPA","bundle":"https://pith.science/pith/JHTTYHR4Y2PPEUJYH2I4L5BDPA/bundle.json","state":"https://pith.science/pith/JHTTYHR4Y2PPEUJYH2I4L5BDPA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JHTTYHR4Y2PPEUJYH2I4L5BDPA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:JHTTYHR4Y2PPEUJYH2I4L5BDPA","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":"072b42aeafddaeed98282c368094c71654ae224652c2e2d94d0206bb61bd6f14","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-06-24T12:45:07Z","title_canon_sha256":"e467b362501e0b28d92d91c5ea765bf87f8b9b38774a8a784207f929d10b823d"},"schema_version":"1.0","source":{"id":"2406.16603","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.16603","created_at":"2026-07-05T08:36:01Z"},{"alias_kind":"arxiv_version","alias_value":"2406.16603v1","created_at":"2026-07-05T08:36:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.16603","created_at":"2026-07-05T08:36:01Z"},{"alias_kind":"pith_short_12","alias_value":"JHTTYHR4Y2PP","created_at":"2026-07-05T08:36:01Z"},{"alias_kind":"pith_short_16","alias_value":"JHTTYHR4Y2PPEUJY","created_at":"2026-07-05T08:36:01Z"},{"alias_kind":"pith_short_8","alias_value":"JHTTYHR4","created_at":"2026-07-05T08:36:01Z"}],"graph_snapshots":[{"event_id":"sha256:421e59a3a60da939b3e4bca2976bc08b76f3b1fb72c0fa57ef6216eeb912cd00","target":"graph","created_at":"2026-07-05T08:36:01Z","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/2406.16603/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Magnetism and topology are two major areas of condensed matter physics. The combination of magnetism and topology gives rise to more novel physical effects, which have attracted strongly theoretical and experimental attention. Recently, the concept of altermagnetism has been introduced, characterized by a dual nature: real-space antiferromagnetism and reciprocal-space anisotropic spin polarization. The amalgamation of altermagnetism with topology may lead to the emergence of previously unobserved topological phases and the associated physical effects. In this study, utilizing a four-band latti","authors_text":"Chao-Yang Tan, Huan-Cheng Yang, Kai Liu, Peng-Jie Guo, Ze-Feng Gao, Zhong-Yi Lu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-06-24T12:45:07Z","title":"Bipolarized Weyl semimetals and quantum crystal valley Hall effect in two-dimensional altermagnetic materials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.16603","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":"sha256:76742d3d826c9d7f0ba57c9caf470a4a76dee3f62e39c765ee2b245025e9590d","target":"record","created_at":"2026-07-05T08:36:01Z","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":"072b42aeafddaeed98282c368094c71654ae224652c2e2d94d0206bb61bd6f14","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-06-24T12:45:07Z","title_canon_sha256":"e467b362501e0b28d92d91c5ea765bf87f8b9b38774a8a784207f929d10b823d"},"schema_version":"1.0","source":{"id":"2406.16603","kind":"arxiv","version":1}},"canonical_sha256":"49e73c1e3cc69ef251383e91c5f42378389863ba70dee987b7437a53adc3b506","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49e73c1e3cc69ef251383e91c5f42378389863ba70dee987b7437a53adc3b506","first_computed_at":"2026-07-05T08:36:01.166682Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:36:01.166682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a8sp9VTVuS9fGFFeV8OvgEBDRDI3xbA/mVby+ZI02O7179ky8+EuH4dXmHKBRl5sN6btIAPW8J+lDtbCiO2gAA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:36:01.167156Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.16603","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:76742d3d826c9d7f0ba57c9caf470a4a76dee3f62e39c765ee2b245025e9590d","sha256:421e59a3a60da939b3e4bca2976bc08b76f3b1fb72c0fa57ef6216eeb912cd00"],"state_sha256":"f465ad1d852ed9abb338ab848e45fded6fa2a6898f9cea392bbff207a093fddf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6wkv42f6TcrPDQ+Fuh5AhEsY5YodXuzhblcUhFnL5uzE63rKr/rn2PyRsyRB6D8/NUEu/hv0duQXjOtkR8yuBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T04:58:31.029298Z","bundle_sha256":"7ff3e362680003f7f1dafd220592ad2ab4833643950e423c2ab4d6b4f68f5285"}}