{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:Q2OUH6PHM35AHN6KUWGHGMECS2","short_pith_number":"pith:Q2OUH6PH","canonical_record":{"source":{"id":"1703.08545","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-03-24T18:00:00Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"d57941f15a88435e4d1c946cd895b34c418484aceea3facb0b315419a7b599b6","abstract_canon_sha256":"262e51255d9a781b7c978912b54510f06e553769f2886fdc8c0faccd36643d5d"},"schema_version":"1.0"},"canonical_sha256":"869d43f9e766fa03b7caa58c73308296a31f18af8026bb49945c924a4997daa9","source":{"kind":"arxiv","id":"1703.08545","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.08545","created_at":"2026-05-18T00:27:46Z"},{"alias_kind":"arxiv_version","alias_value":"1703.08545v3","created_at":"2026-05-18T00:27:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.08545","created_at":"2026-05-18T00:27:46Z"},{"alias_kind":"pith_short_12","alias_value":"Q2OUH6PHM35A","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"Q2OUH6PHM35AHN6K","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"Q2OUH6PH","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:Q2OUH6PHM35AHN6KUWGHGMECS2","target":"record","payload":{"canonical_record":{"source":{"id":"1703.08545","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-03-24T18:00:00Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"d57941f15a88435e4d1c946cd895b34c418484aceea3facb0b315419a7b599b6","abstract_canon_sha256":"262e51255d9a781b7c978912b54510f06e553769f2886fdc8c0faccd36643d5d"},"schema_version":"1.0"},"canonical_sha256":"869d43f9e766fa03b7caa58c73308296a31f18af8026bb49945c924a4997daa9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:46.903081Z","signature_b64":"IdHY6+ooQH4WA1i9bIXguV76M1K9h/lA8Hnrkt9AnmSGeXXILqOH1aPV/0b8zW40C7vrpvYh+Myd/vH3BlmHDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"869d43f9e766fa03b7caa58c73308296a31f18af8026bb49945c924a4997daa9","last_reissued_at":"2026-05-18T00:27:46.902600Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:46.902600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.08545","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:27:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yOlMuxPIAZSmEx84XmXyZh/J1WpuB5AWzatvGMtgeu2pCHu5/D169GyHLuAvqnsUWt/gcrH3+UGO80aVYHh7CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:23:09.385989Z"},"content_sha256":"b0626281a79cbb9035fc6c41dca0771ace21a0b249dd50722066bbb914a61b29","schema_version":"1.0","event_id":"sha256:b0626281a79cbb9035fc6c41dca0771ace21a0b249dd50722066bbb914a61b29"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:Q2OUH6PHM35AHN6KUWGHGMECS2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dirac and nodal line magnons in three-dimensional antiferromagnets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mes-hall","authors_text":"Chen Fang, Chenyuan Li, Jiangping Hu, Kangkang Li, Yuan Li","submitted_at":"2017-03-24T18:00:00Z","abstract_excerpt":"We study the topological properties of magnon excitations in three-dimensional antiferromagnets, where the ground state configuration is invariant under time-reversal followed by space-inversion ($PT$-symmetry). We prove that Dirac points and nodal lines, the former being the limiting case of the latter, are the generic forms of symmetry-protected band crossings between magnon branches. As a concrete example, we study a Heisenberg spin model for a \"spin-web\" compound, Cu$_3$TeO$_6$, and show the presence of the magnon Dirac points assuming a collinear magnetic structure. Upon turning on symmet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.08545","kind":"arxiv","version":3},"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":"2026-05-18T00:27:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ISbkcr8CYWYOdFIME1bc9g9M3B1dkGmllaCPDqtlvSdFShUwCY7FTbFtUun0UQ3BPZNwnXGy1tmg6bRMNZw7Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:23:09.386681Z"},"content_sha256":"c1eaf88de8f9f9a9bcdac14349a9e5c13b7a750becec86fa9cea189d88db47ce","schema_version":"1.0","event_id":"sha256:c1eaf88de8f9f9a9bcdac14349a9e5c13b7a750becec86fa9cea189d88db47ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q2OUH6PHM35AHN6KUWGHGMECS2/bundle.json","state_url":"https://pith.science/pith/Q2OUH6PHM35AHN6KUWGHGMECS2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q2OUH6PHM35AHN6KUWGHGMECS2/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":"2026-05-31T01:23:09Z","links":{"resolver":"https://pith.science/pith/Q2OUH6PHM35AHN6KUWGHGMECS2","bundle":"https://pith.science/pith/Q2OUH6PHM35AHN6KUWGHGMECS2/bundle.json","state":"https://pith.science/pith/Q2OUH6PHM35AHN6KUWGHGMECS2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q2OUH6PHM35AHN6KUWGHGMECS2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:Q2OUH6PHM35AHN6KUWGHGMECS2","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":"262e51255d9a781b7c978912b54510f06e553769f2886fdc8c0faccd36643d5d","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-03-24T18:00:00Z","title_canon_sha256":"d57941f15a88435e4d1c946cd895b34c418484aceea3facb0b315419a7b599b6"},"schema_version":"1.0","source":{"id":"1703.08545","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.08545","created_at":"2026-05-18T00:27:46Z"},{"alias_kind":"arxiv_version","alias_value":"1703.08545v3","created_at":"2026-05-18T00:27:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.08545","created_at":"2026-05-18T00:27:46Z"},{"alias_kind":"pith_short_12","alias_value":"Q2OUH6PHM35A","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"Q2OUH6PHM35AHN6K","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"Q2OUH6PH","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:c1eaf88de8f9f9a9bcdac14349a9e5c13b7a750becec86fa9cea189d88db47ce","target":"graph","created_at":"2026-05-18T00:27:46Z","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":"We study the topological properties of magnon excitations in three-dimensional antiferromagnets, where the ground state configuration is invariant under time-reversal followed by space-inversion ($PT$-symmetry). We prove that Dirac points and nodal lines, the former being the limiting case of the latter, are the generic forms of symmetry-protected band crossings between magnon branches. As a concrete example, we study a Heisenberg spin model for a \"spin-web\" compound, Cu$_3$TeO$_6$, and show the presence of the magnon Dirac points assuming a collinear magnetic structure. Upon turning on symmet","authors_text":"Chen Fang, Chenyuan Li, Jiangping Hu, Kangkang Li, Yuan Li","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-03-24T18:00:00Z","title":"Dirac and nodal line magnons in three-dimensional antiferromagnets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.08545","kind":"arxiv","version":3},"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:b0626281a79cbb9035fc6c41dca0771ace21a0b249dd50722066bbb914a61b29","target":"record","created_at":"2026-05-18T00:27:46Z","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":"262e51255d9a781b7c978912b54510f06e553769f2886fdc8c0faccd36643d5d","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-03-24T18:00:00Z","title_canon_sha256":"d57941f15a88435e4d1c946cd895b34c418484aceea3facb0b315419a7b599b6"},"schema_version":"1.0","source":{"id":"1703.08545","kind":"arxiv","version":3}},"canonical_sha256":"869d43f9e766fa03b7caa58c73308296a31f18af8026bb49945c924a4997daa9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"869d43f9e766fa03b7caa58c73308296a31f18af8026bb49945c924a4997daa9","first_computed_at":"2026-05-18T00:27:46.902600Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:46.902600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IdHY6+ooQH4WA1i9bIXguV76M1K9h/lA8Hnrkt9AnmSGeXXILqOH1aPV/0b8zW40C7vrpvYh+Myd/vH3BlmHDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:46.903081Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.08545","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b0626281a79cbb9035fc6c41dca0771ace21a0b249dd50722066bbb914a61b29","sha256:c1eaf88de8f9f9a9bcdac14349a9e5c13b7a750becec86fa9cea189d88db47ce"],"state_sha256":"77a34715da0083f2577984e5133a20fab96fc8421aa967e76dc39a553838a90d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xt+8DmuKCPaXGuOSp1rCBjNKOSdqmqGZXKdIJG4HNNEGEuA7vrjSbIQ60w/ATxu7L2yG3ag56JPRM99r7stnCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T01:23:09.390262Z","bundle_sha256":"54365c231ca0919fec0c11f9ed628d977b28eb628f481a2ccae0a2046b04a58d"}}