{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:3UA6CSKTBBPSWHKRAQB6VC2C5T","short_pith_number":"pith:3UA6CSKT","canonical_record":{"source":{"id":"2206.00078","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-31T19:43:00Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"cad1c456c23b4944f89c9ead92d6c00230a6b817b184e792c1e562b732aba382","abstract_canon_sha256":"2ecba17da5e3effcbc3fb794f9de9251f9434791496f7832ce9d48872528d10b"},"schema_version":"1.0"},"canonical_sha256":"dd01e14953085f2b1d510403ea8b42ece038c477444e6c6ffa94df066907d197","source":{"kind":"arxiv","id":"2206.00078","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.00078","created_at":"2026-07-05T05:14:15Z"},{"alias_kind":"arxiv_version","alias_value":"2206.00078v2","created_at":"2026-07-05T05:14:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.00078","created_at":"2026-07-05T05:14:15Z"},{"alias_kind":"pith_short_12","alias_value":"3UA6CSKTBBPS","created_at":"2026-07-05T05:14:15Z"},{"alias_kind":"pith_short_16","alias_value":"3UA6CSKTBBPSWHKR","created_at":"2026-07-05T05:14:15Z"},{"alias_kind":"pith_short_8","alias_value":"3UA6CSKT","created_at":"2026-07-05T05:14:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:3UA6CSKTBBPSWHKRAQB6VC2C5T","target":"record","payload":{"canonical_record":{"source":{"id":"2206.00078","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-31T19:43:00Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"cad1c456c23b4944f89c9ead92d6c00230a6b817b184e792c1e562b732aba382","abstract_canon_sha256":"2ecba17da5e3effcbc3fb794f9de9251f9434791496f7832ce9d48872528d10b"},"schema_version":"1.0"},"canonical_sha256":"dd01e14953085f2b1d510403ea8b42ece038c477444e6c6ffa94df066907d197","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:14:15.457901Z","signature_b64":"kltvspnI9z8raMWhp4jP3PtikkB1sveThe0gA7cTorUTQXhxIdXuIfizBIqHLiEnx5qiQxKc7l7vg67oL7xICw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd01e14953085f2b1d510403ea8b42ece038c477444e6c6ffa94df066907d197","last_reissued_at":"2026-07-05T05:14:15.457369Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:14:15.457369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.00078","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":"2026-07-05T05:14:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rC8XGGuj/LZx6W0An/9on19UG3C24NkSXKGeuTTivTgMv848UMe5twPOeaRvPEBhcS/o5efP+y4MSYDY+Z+6BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T10:27:57.183549Z"},"content_sha256":"21f3b53d83776b1ea5034b678fcc377a01d0e755b587a39e973cee5e544a468e","schema_version":"1.0","event_id":"sha256:21f3b53d83776b1ea5034b678fcc377a01d0e755b587a39e973cee5e544a468e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:3UA6CSKTBBPSWHKRAQB6VC2C5T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic hourglass fermions: from exhaustive symmetry conditions to high-throughput materials predictions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Feng Tang, Xiangang Wan, Yating Hu","submitted_at":"2022-05-31T19:43:00Z","abstract_excerpt":"Many topological band crossings (BCs) have been predicted efficiently utilizing the symmetry properties of wave-functions at high-symmetry points. Among various BCs, the so-called hourglass BCs (with the low-energy excitations dubbed as hourglass fermions) are fascinating since they can be guaranteed to exist under specific symmetry conditions even without realistic calculations. Such novel property renders the theoretical prediction on magnetic topological metals with hourglass BC (being Weyl point, Dirac point, lying in nodal loop, and so on) independent on the calculation methods and only d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.00078","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/2206.00078/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":"2026-07-05T05:14:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XP5f2Evx+dVdmfyHw10klBmgHZBxzXrdVQKKFyq9aPeiIj1hYeKJa1S8lcZ5l0IujntTRMNHaDPw167+LpLzAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-11T10:27:57.183924Z"},"content_sha256":"ba5ce3d577e76f37572d9a740056acebfb4ebaa1ec193e94a834cbec20af66ea","schema_version":"1.0","event_id":"sha256:ba5ce3d577e76f37572d9a740056acebfb4ebaa1ec193e94a834cbec20af66ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3UA6CSKTBBPSWHKRAQB6VC2C5T/bundle.json","state_url":"https://pith.science/pith/3UA6CSKTBBPSWHKRAQB6VC2C5T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3UA6CSKTBBPSWHKRAQB6VC2C5T/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":"2026-07-11T10:27:57Z","links":{"resolver":"https://pith.science/pith/3UA6CSKTBBPSWHKRAQB6VC2C5T","bundle":"https://pith.science/pith/3UA6CSKTBBPSWHKRAQB6VC2C5T/bundle.json","state":"https://pith.science/pith/3UA6CSKTBBPSWHKRAQB6VC2C5T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3UA6CSKTBBPSWHKRAQB6VC2C5T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:3UA6CSKTBBPSWHKRAQB6VC2C5T","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":"2ecba17da5e3effcbc3fb794f9de9251f9434791496f7832ce9d48872528d10b","cross_cats_sorted":["cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-31T19:43:00Z","title_canon_sha256":"cad1c456c23b4944f89c9ead92d6c00230a6b817b184e792c1e562b732aba382"},"schema_version":"1.0","source":{"id":"2206.00078","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.00078","created_at":"2026-07-05T05:14:15Z"},{"alias_kind":"arxiv_version","alias_value":"2206.00078v2","created_at":"2026-07-05T05:14:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.00078","created_at":"2026-07-05T05:14:15Z"},{"alias_kind":"pith_short_12","alias_value":"3UA6CSKTBBPS","created_at":"2026-07-05T05:14:15Z"},{"alias_kind":"pith_short_16","alias_value":"3UA6CSKTBBPSWHKR","created_at":"2026-07-05T05:14:15Z"},{"alias_kind":"pith_short_8","alias_value":"3UA6CSKT","created_at":"2026-07-05T05:14:15Z"}],"graph_snapshots":[{"event_id":"sha256:ba5ce3d577e76f37572d9a740056acebfb4ebaa1ec193e94a834cbec20af66ea","target":"graph","created_at":"2026-07-05T05:14:15Z","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/2206.00078/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Many topological band crossings (BCs) have been predicted efficiently utilizing the symmetry properties of wave-functions at high-symmetry points. Among various BCs, the so-called hourglass BCs (with the low-energy excitations dubbed as hourglass fermions) are fascinating since they can be guaranteed to exist under specific symmetry conditions even without realistic calculations. Such novel property renders the theoretical prediction on magnetic topological metals with hourglass BC (being Weyl point, Dirac point, lying in nodal loop, and so on) independent on the calculation methods and only d","authors_text":"Feng Tang, Xiangang Wan, Yating Hu","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-31T19:43:00Z","title":"Magnetic hourglass fermions: from exhaustive symmetry conditions to high-throughput materials predictions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.00078","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":"sha256:21f3b53d83776b1ea5034b678fcc377a01d0e755b587a39e973cee5e544a468e","target":"record","created_at":"2026-07-05T05:14:15Z","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":"2ecba17da5e3effcbc3fb794f9de9251f9434791496f7832ce9d48872528d10b","cross_cats_sorted":["cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-31T19:43:00Z","title_canon_sha256":"cad1c456c23b4944f89c9ead92d6c00230a6b817b184e792c1e562b732aba382"},"schema_version":"1.0","source":{"id":"2206.00078","kind":"arxiv","version":2}},"canonical_sha256":"dd01e14953085f2b1d510403ea8b42ece038c477444e6c6ffa94df066907d197","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd01e14953085f2b1d510403ea8b42ece038c477444e6c6ffa94df066907d197","first_computed_at":"2026-07-05T05:14:15.457369Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:14:15.457369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kltvspnI9z8raMWhp4jP3PtikkB1sveThe0gA7cTorUTQXhxIdXuIfizBIqHLiEnx5qiQxKc7l7vg67oL7xICw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:14:15.457901Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.00078","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21f3b53d83776b1ea5034b678fcc377a01d0e755b587a39e973cee5e544a468e","sha256:ba5ce3d577e76f37572d9a740056acebfb4ebaa1ec193e94a834cbec20af66ea"],"state_sha256":"d150e81433cb6ec0f46867bd52a818704f6c80c192c637fb2a1d9f9b840a18f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LNGZWPkZZOna7zPmITMbDkoiijq1N7du9XDwwcDOnIXucY5orvjGPOEOTZJWvgHknOgiusBVZ5w0GUWNzGGkAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-11T10:27:57.187201Z","bundle_sha256":"b7ebf3234e92850db70a5a2d6fcd829b2817d81360e7cd0d8661d67a79bb6aa0"}}