{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:TBIM2PTNSMTZ37UIALYTYVLSYR","short_pith_number":"pith:TBIM2PTN","canonical_record":{"source":{"id":"1705.01111","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-05-02T18:01:13Z","cross_cats_sorted":[],"title_canon_sha256":"10cfc9a667dd7a57e05c5e8c41f115fbb88d371ab7ada91370b36f980237140a","abstract_canon_sha256":"6a1a92780525b21381a2ece7fbd0c72a55d4b71ab081f83f08fcb916aab6f2dc"},"schema_version":"1.0"},"canonical_sha256":"9850cd3e6d93279dfe8802f13c5572c46ccf31bbab7d8d0642e6daeca23689ef","source":{"kind":"arxiv","id":"1705.01111","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.01111","created_at":"2026-05-18T00:24:52Z"},{"alias_kind":"arxiv_version","alias_value":"1705.01111v3","created_at":"2026-05-18T00:24:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.01111","created_at":"2026-05-18T00:24:52Z"},{"alias_kind":"pith_short_12","alias_value":"TBIM2PTNSMTZ","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"TBIM2PTNSMTZ37UI","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"TBIM2PTN","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:TBIM2PTNSMTZ37UIALYTYVLSYR","target":"record","payload":{"canonical_record":{"source":{"id":"1705.01111","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-05-02T18:01:13Z","cross_cats_sorted":[],"title_canon_sha256":"10cfc9a667dd7a57e05c5e8c41f115fbb88d371ab7ada91370b36f980237140a","abstract_canon_sha256":"6a1a92780525b21381a2ece7fbd0c72a55d4b71ab081f83f08fcb916aab6f2dc"},"schema_version":"1.0"},"canonical_sha256":"9850cd3e6d93279dfe8802f13c5572c46ccf31bbab7d8d0642e6daeca23689ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:52.663859Z","signature_b64":"yXDCHdQclyuo0GtG5o5VEgDyltdEiSai8e6heg7Vx6U8jBewg1ony4xtluPnHcNKZ9z6rSjHOXT5CBZIjF9LBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9850cd3e6d93279dfe8802f13c5572c46ccf31bbab7d8d0642e6daeca23689ef","last_reissued_at":"2026-05-18T00:24:52.663209Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:52.663209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.01111","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":"2026-05-18T00:24:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m+jQUCF87ZXrztK5y6bJs2Nm/m0R2vLGOJESZ58E+NYPs3bH3UrpWu6SpoittFdlNYx9y33HQ/3AEkwqEEJTAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:42:09.489136Z"},"content_sha256":"bad579d62af227157ce3a82382a33e83623066aec4a220fc728a840d984d3677","schema_version":"1.0","event_id":"sha256:bad579d62af227157ce3a82382a33e83623066aec4a220fc728a840d984d3677"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:TBIM2PTNSMTZ37UIALYTYVLSYR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Weyl and Dirac Semimetals in Three Dimensional Solids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Ashvin Vishwanath, E. J. Mele, N.P. Armitage","submitted_at":"2017-05-02T18:01:13Z","abstract_excerpt":"Weyl and Dirac semimetals are three dimensional phases of matter with gapless electronic excitations that are protected by topology and symmetry. As three dimensional analogs of graphene, they have generated much recent interest. Deep connections exist with particle physics models of relativistic chiral fermions, and -- despite their gaplessness -- to solid-state topological and Chern insulators. Their characteristic electronic properties lead to protected surface states and novel responses to applied electric and magnetic fields. Here we review the theoretical foundations of these phases, the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.01111","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":"2026-05-18T00:24:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MT6MywhyN3bOdzZPshPNMPr1TFj8S2mQjvDD3iexx877pEefOrQ8oN2IwERduq+0MlhWtHD7PKcfJ0z84ni2DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:42:09.489880Z"},"content_sha256":"44b96a4ef592af467f64387b914bed1f779b9c641f35e1c15fddb346f8398fa4","schema_version":"1.0","event_id":"sha256:44b96a4ef592af467f64387b914bed1f779b9c641f35e1c15fddb346f8398fa4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TBIM2PTNSMTZ37UIALYTYVLSYR/bundle.json","state_url":"https://pith.science/pith/TBIM2PTNSMTZ37UIALYTYVLSYR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TBIM2PTNSMTZ37UIALYTYVLSYR/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":"2026-05-27T20:42:09Z","links":{"resolver":"https://pith.science/pith/TBIM2PTNSMTZ37UIALYTYVLSYR","bundle":"https://pith.science/pith/TBIM2PTNSMTZ37UIALYTYVLSYR/bundle.json","state":"https://pith.science/pith/TBIM2PTNSMTZ37UIALYTYVLSYR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TBIM2PTNSMTZ37UIALYTYVLSYR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:TBIM2PTNSMTZ37UIALYTYVLSYR","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":"6a1a92780525b21381a2ece7fbd0c72a55d4b71ab081f83f08fcb916aab6f2dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-05-02T18:01:13Z","title_canon_sha256":"10cfc9a667dd7a57e05c5e8c41f115fbb88d371ab7ada91370b36f980237140a"},"schema_version":"1.0","source":{"id":"1705.01111","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.01111","created_at":"2026-05-18T00:24:52Z"},{"alias_kind":"arxiv_version","alias_value":"1705.01111v3","created_at":"2026-05-18T00:24:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.01111","created_at":"2026-05-18T00:24:52Z"},{"alias_kind":"pith_short_12","alias_value":"TBIM2PTNSMTZ","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"TBIM2PTNSMTZ37UI","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"TBIM2PTN","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:44b96a4ef592af467f64387b914bed1f779b9c641f35e1c15fddb346f8398fa4","target":"graph","created_at":"2026-05-18T00:24:52Z","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 and Dirac semimetals are three dimensional phases of matter with gapless electronic excitations that are protected by topology and symmetry. As three dimensional analogs of graphene, they have generated much recent interest. Deep connections exist with particle physics models of relativistic chiral fermions, and -- despite their gaplessness -- to solid-state topological and Chern insulators. Their characteristic electronic properties lead to protected surface states and novel responses to applied electric and magnetic fields. Here we review the theoretical foundations of these phases, the","authors_text":"Ashvin Vishwanath, E. J. Mele, N.P. Armitage","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-05-02T18:01:13Z","title":"Weyl and Dirac Semimetals in Three Dimensional Solids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.01111","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:bad579d62af227157ce3a82382a33e83623066aec4a220fc728a840d984d3677","target":"record","created_at":"2026-05-18T00:24:52Z","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":"6a1a92780525b21381a2ece7fbd0c72a55d4b71ab081f83f08fcb916aab6f2dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-05-02T18:01:13Z","title_canon_sha256":"10cfc9a667dd7a57e05c5e8c41f115fbb88d371ab7ada91370b36f980237140a"},"schema_version":"1.0","source":{"id":"1705.01111","kind":"arxiv","version":3}},"canonical_sha256":"9850cd3e6d93279dfe8802f13c5572c46ccf31bbab7d8d0642e6daeca23689ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9850cd3e6d93279dfe8802f13c5572c46ccf31bbab7d8d0642e6daeca23689ef","first_computed_at":"2026-05-18T00:24:52.663209Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:52.663209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yXDCHdQclyuo0GtG5o5VEgDyltdEiSai8e6heg7Vx6U8jBewg1ony4xtluPnHcNKZ9z6rSjHOXT5CBZIjF9LBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:52.663859Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.01111","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bad579d62af227157ce3a82382a33e83623066aec4a220fc728a840d984d3677","sha256:44b96a4ef592af467f64387b914bed1f779b9c641f35e1c15fddb346f8398fa4"],"state_sha256":"a39545df1fbc907fed7f5aa49c1922830e883d5b119b7090249ed31e26c0f8c4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SeV4W29vEZmjk0OIx+gd0gKPH4h+61WHntdRAt3o1dVXxAEzosHXZkfheeLXL/D/ZRTMiDBxerOYMiOrt16VCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:42:09.493687Z","bundle_sha256":"b7ecf0d28dfba61bba7392d8e7e5ec58f337fdfac5bb58d1c816e3ffe091a82b"}}