{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:3D32NVZYQWTBFN6W6C3VYDQ75L","short_pith_number":"pith:3D32NVZY","canonical_record":{"source":{"id":"1412.2767","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-12-08T21:00:43Z","cross_cats_sorted":[],"title_canon_sha256":"2fa2a805549400f8af0f7129245ec03d22eaee0812f1e3b9f552a5bd779e0eaa","abstract_canon_sha256":"ea45f3775ded701ba59079806ebc2867f0645e64b66a724278152e788bfacb72"},"schema_version":"1.0"},"canonical_sha256":"d8f7a6d73885a612b7d6f0b75c0e1feaefd4057979b46e6363fd3d1e53dab6c1","source":{"kind":"arxiv","id":"1412.2767","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.2767","created_at":"2026-05-17T23:43:07Z"},{"alias_kind":"arxiv_version","alias_value":"1412.2767v1","created_at":"2026-05-17T23:43:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.2767","created_at":"2026-05-17T23:43:07Z"},{"alias_kind":"pith_short_12","alias_value":"3D32NVZYQWTB","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3D32NVZYQWTBFN6W","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3D32NVZY","created_at":"2026-05-18T12:28:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:3D32NVZYQWTBFN6W6C3VYDQ75L","target":"record","payload":{"canonical_record":{"source":{"id":"1412.2767","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-12-08T21:00:43Z","cross_cats_sorted":[],"title_canon_sha256":"2fa2a805549400f8af0f7129245ec03d22eaee0812f1e3b9f552a5bd779e0eaa","abstract_canon_sha256":"ea45f3775ded701ba59079806ebc2867f0645e64b66a724278152e788bfacb72"},"schema_version":"1.0"},"canonical_sha256":"d8f7a6d73885a612b7d6f0b75c0e1feaefd4057979b46e6363fd3d1e53dab6c1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:07.328512Z","signature_b64":"TplEn7hWCqsor2ATjGLysXTug/GNxlY5/mKk45VjY/VjfbG4pPX2OQtoMI+eqsstWx18bHdCY0apVJSycxSCDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d8f7a6d73885a612b7d6f0b75c0e1feaefd4057979b46e6363fd3d1e53dab6c1","last_reissued_at":"2026-05-17T23:43:07.328056Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:07.328056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.2767","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":"2026-05-17T23:43:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v7qJ2Ig2jJzADOG8hK8TcE6VjUb7wjMzzR60bNbYjsCF/SQ3rueOyqBAjyyC9VwqQNP9bPJ/PICzMvbA/htdDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:12:50.729071Z"},"content_sha256":"a6ffa86d5c3e48d2ccdded2211049392e2f6a781c4aec54b6dcebbeecc261384","schema_version":"1.0","event_id":"sha256:a6ffa86d5c3e48d2ccdded2211049392e2f6a781c4aec54b6dcebbeecc261384"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:3D32NVZYQWTBFN6W6C3VYDQ75L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Z$_2$ topology and superconductivity from symmetry lowering of a 3D Dirac Metal Au$_2$Pb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Ashvin Vishwanath, Carina A. Belvin, Itamar Kimchi, Jeffrey B. Neaton, Leslie M. Schoop, Lilia S. Xie, Max Hirschberger, Mazhar N. Ali, Neel Haldolaarachchige, N. P. Ong, Quinn D. Gibson, R. J. Cava, Ru Chen, Saul H. Lapidus, Tian Liang","submitted_at":"2014-12-08T21:00:43Z","abstract_excerpt":"3D Dirac semi-metals (DSMs) are materials that have massless Dirac electrons and exhibit exotic physical properties It has been suggested that structurally distorting a DSM can create a Topological Insulator (TI), but this has not yet been experimentally verified. Furthermore, quasiparticle excitations known as Majorana Fermions have been theoretically proposed to exist in materials that exhibit superconductivity and topological surface states. Here we show that the cubic Laves phase Au$_2$Pb has a bulk Dirac cone above 100 K that gaps out upon cooling at a structural phase transition to creat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.2767","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":"2026-05-17T23:43:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hOr1cOY0kJ/Kwvzb1PeTjNYA4QU04mY9JWz9MLyt0VrSw6sSo2XhniJ43HQNFfw7/iUpDyNIW7v+Qugu5p7KDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:12:50.729434Z"},"content_sha256":"0855fd43456c621ca3e04c3b90768d83f80f13ccc3fc59ebbc4ec82f3df0e04e","schema_version":"1.0","event_id":"sha256:0855fd43456c621ca3e04c3b90768d83f80f13ccc3fc59ebbc4ec82f3df0e04e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3D32NVZYQWTBFN6W6C3VYDQ75L/bundle.json","state_url":"https://pith.science/pith/3D32NVZYQWTBFN6W6C3VYDQ75L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3D32NVZYQWTBFN6W6C3VYDQ75L/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":"2026-06-03T14:12:50Z","links":{"resolver":"https://pith.science/pith/3D32NVZYQWTBFN6W6C3VYDQ75L","bundle":"https://pith.science/pith/3D32NVZYQWTBFN6W6C3VYDQ75L/bundle.json","state":"https://pith.science/pith/3D32NVZYQWTBFN6W6C3VYDQ75L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3D32NVZYQWTBFN6W6C3VYDQ75L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:3D32NVZYQWTBFN6W6C3VYDQ75L","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":"ea45f3775ded701ba59079806ebc2867f0645e64b66a724278152e788bfacb72","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-12-08T21:00:43Z","title_canon_sha256":"2fa2a805549400f8af0f7129245ec03d22eaee0812f1e3b9f552a5bd779e0eaa"},"schema_version":"1.0","source":{"id":"1412.2767","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.2767","created_at":"2026-05-17T23:43:07Z"},{"alias_kind":"arxiv_version","alias_value":"1412.2767v1","created_at":"2026-05-17T23:43:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.2767","created_at":"2026-05-17T23:43:07Z"},{"alias_kind":"pith_short_12","alias_value":"3D32NVZYQWTB","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_16","alias_value":"3D32NVZYQWTBFN6W","created_at":"2026-05-18T12:28:11Z"},{"alias_kind":"pith_short_8","alias_value":"3D32NVZY","created_at":"2026-05-18T12:28:11Z"}],"graph_snapshots":[{"event_id":"sha256:0855fd43456c621ca3e04c3b90768d83f80f13ccc3fc59ebbc4ec82f3df0e04e","target":"graph","created_at":"2026-05-17T23:43:07Z","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":"3D Dirac semi-metals (DSMs) are materials that have massless Dirac electrons and exhibit exotic physical properties It has been suggested that structurally distorting a DSM can create a Topological Insulator (TI), but this has not yet been experimentally verified. Furthermore, quasiparticle excitations known as Majorana Fermions have been theoretically proposed to exist in materials that exhibit superconductivity and topological surface states. Here we show that the cubic Laves phase Au$_2$Pb has a bulk Dirac cone above 100 K that gaps out upon cooling at a structural phase transition to creat","authors_text":"Ashvin Vishwanath, Carina A. Belvin, Itamar Kimchi, Jeffrey B. Neaton, Leslie M. Schoop, Lilia S. Xie, Max Hirschberger, Mazhar N. Ali, Neel Haldolaarachchige, N. P. Ong, Quinn D. Gibson, R. J. Cava, Ru Chen, Saul H. Lapidus, Tian Liang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-12-08T21:00:43Z","title":"Z$_2$ topology and superconductivity from symmetry lowering of a 3D Dirac Metal Au$_2$Pb"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.2767","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:a6ffa86d5c3e48d2ccdded2211049392e2f6a781c4aec54b6dcebbeecc261384","target":"record","created_at":"2026-05-17T23:43:07Z","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":"ea45f3775ded701ba59079806ebc2867f0645e64b66a724278152e788bfacb72","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-12-08T21:00:43Z","title_canon_sha256":"2fa2a805549400f8af0f7129245ec03d22eaee0812f1e3b9f552a5bd779e0eaa"},"schema_version":"1.0","source":{"id":"1412.2767","kind":"arxiv","version":1}},"canonical_sha256":"d8f7a6d73885a612b7d6f0b75c0e1feaefd4057979b46e6363fd3d1e53dab6c1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d8f7a6d73885a612b7d6f0b75c0e1feaefd4057979b46e6363fd3d1e53dab6c1","first_computed_at":"2026-05-17T23:43:07.328056Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:07.328056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TplEn7hWCqsor2ATjGLysXTug/GNxlY5/mKk45VjY/VjfbG4pPX2OQtoMI+eqsstWx18bHdCY0apVJSycxSCDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:07.328512Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.2767","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a6ffa86d5c3e48d2ccdded2211049392e2f6a781c4aec54b6dcebbeecc261384","sha256:0855fd43456c621ca3e04c3b90768d83f80f13ccc3fc59ebbc4ec82f3df0e04e"],"state_sha256":"daf826acf6bc21d8d6aa94cd0f0d00e97ee87f3e156f4b30175ee515ca44e642"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VIUMfxbM75DClGXLtd5f1IvO0AHcZtGcZxhR/X7xLNlkxHT/FbXWpuCvtRonyn/T43PMOPZGKSzEvdBonUuFAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T14:12:50.731361Z","bundle_sha256":"77bff515f3ffdcf534bf8be3e5f4f3a8386ebb197602a82b88c0dbcd8dddfa27"}}