{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2X3QNRAAOENVVCNSSVYNRZWLF6","short_pith_number":"pith:2X3QNRAA","canonical_record":{"source":{"id":"1801.03732","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-11T12:08:17Z","cross_cats_sorted":["cond-mat.other","cond-mat.supr-con","physics.chem-ph","physics.comp-ph"],"title_canon_sha256":"ede549620be0d1141b8ba965e495d9de778908b3b85b6ef76fe6e647f749507f","abstract_canon_sha256":"2f7cefefacc8ce04115f7982dae8e1741b2e6de8b715d1eb055c67569d499ae2"},"schema_version":"1.0"},"canonical_sha256":"d5f706c400711b5a89b29570d8e6cb2f9a648dfbb62c9a050491fb9e427ef245","source":{"kind":"arxiv","id":"1801.03732","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03732","created_at":"2026-05-18T00:05:51Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03732v2","created_at":"2026-05-18T00:05:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03732","created_at":"2026-05-18T00:05:51Z"},{"alias_kind":"pith_short_12","alias_value":"2X3QNRAAOENV","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2X3QNRAAOENVVCNS","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2X3QNRAA","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2X3QNRAAOENVVCNSSVYNRZWLF6","target":"record","payload":{"canonical_record":{"source":{"id":"1801.03732","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-11T12:08:17Z","cross_cats_sorted":["cond-mat.other","cond-mat.supr-con","physics.chem-ph","physics.comp-ph"],"title_canon_sha256":"ede549620be0d1141b8ba965e495d9de778908b3b85b6ef76fe6e647f749507f","abstract_canon_sha256":"2f7cefefacc8ce04115f7982dae8e1741b2e6de8b715d1eb055c67569d499ae2"},"schema_version":"1.0"},"canonical_sha256":"d5f706c400711b5a89b29570d8e6cb2f9a648dfbb62c9a050491fb9e427ef245","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:51.021799Z","signature_b64":"ZPhto12yoENe/FGQHIxo//8wwD8D7YCcCGDja4jOaa2TXGALDl2Ucs2CdBRDOGi03Bifgsd3qz8VAfi8LNUgAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5f706c400711b5a89b29570d8e6cb2f9a648dfbb62c9a050491fb9e427ef245","last_reissued_at":"2026-05-18T00:05:51.021093Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:51.021093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.03732","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":"2026-05-18T00:05:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"An0oDVMBcowBeFbYcQVfbcGtMKz5B0zBxkykEfL2MIoW0OBUfrhWvqTIt+1YPlWvlV1NxLFzfhJeyGB9HMjXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:41:51.690507Z"},"content_sha256":"16455f98cd9d0abd61915ed007b5b3a24ed3afdb833968488136915f22ed98d3","schema_version":"1.0","event_id":"sha256:16455f98cd9d0abd61915ed007b5b3a24ed3afdb833968488136915f22ed98d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2X3QNRAAOENVVCNSSVYNRZWLF6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electrides as a New Platform of Topological Materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","cond-mat.supr-con","physics.chem-ph","physics.comp-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hideo Hosono, Motoaki Hirayama, Satoru Matsuishi, Shuichi Murakami","submitted_at":"2018-01-11T12:08:17Z","abstract_excerpt":"Recent discoveries of topological phases realized in electronic states in solids have revealed an important role of topology, which ubiquitously appears in various materials in nature. Many well-known materials have turned out to be topological materials, and this new viewpoint of topology has opened a new horizon in material science. In this paper we find that electrides are suitable for achieving various topological phases, including topological insulating and topological semimetal phases. In the electrides, in which electrons serve as anions, the bands occupied by the anionic electrons lie "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03732","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":""},"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":"2026-05-18T00:05:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LOOHyZlKaJxD4CzZdMrBkryovH6R5zKUQH8wpaF6iv5wb8UmnmYaxOQODZ5hQysiNZxbT31iGyp23uV1PMY/Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:41:51.691181Z"},"content_sha256":"189f4ff94ee9e6143bbd7996f1d62d72563011e737fbf83cbf4e4fe1a2299b02","schema_version":"1.0","event_id":"sha256:189f4ff94ee9e6143bbd7996f1d62d72563011e737fbf83cbf4e4fe1a2299b02"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2X3QNRAAOENVVCNSSVYNRZWLF6/bundle.json","state_url":"https://pith.science/pith/2X3QNRAAOENVVCNSSVYNRZWLF6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2X3QNRAAOENVVCNSSVYNRZWLF6/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":"2026-05-25T19:41:51Z","links":{"resolver":"https://pith.science/pith/2X3QNRAAOENVVCNSSVYNRZWLF6","bundle":"https://pith.science/pith/2X3QNRAAOENVVCNSSVYNRZWLF6/bundle.json","state":"https://pith.science/pith/2X3QNRAAOENVVCNSSVYNRZWLF6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2X3QNRAAOENVVCNSSVYNRZWLF6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2X3QNRAAOENVVCNSSVYNRZWLF6","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":"2f7cefefacc8ce04115f7982dae8e1741b2e6de8b715d1eb055c67569d499ae2","cross_cats_sorted":["cond-mat.other","cond-mat.supr-con","physics.chem-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-11T12:08:17Z","title_canon_sha256":"ede549620be0d1141b8ba965e495d9de778908b3b85b6ef76fe6e647f749507f"},"schema_version":"1.0","source":{"id":"1801.03732","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03732","created_at":"2026-05-18T00:05:51Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03732v2","created_at":"2026-05-18T00:05:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03732","created_at":"2026-05-18T00:05:51Z"},{"alias_kind":"pith_short_12","alias_value":"2X3QNRAAOENV","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2X3QNRAAOENVVCNS","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2X3QNRAA","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:189f4ff94ee9e6143bbd7996f1d62d72563011e737fbf83cbf4e4fe1a2299b02","target":"graph","created_at":"2026-05-18T00:05:51Z","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":"Recent discoveries of topological phases realized in electronic states in solids have revealed an important role of topology, which ubiquitously appears in various materials in nature. Many well-known materials have turned out to be topological materials, and this new viewpoint of topology has opened a new horizon in material science. In this paper we find that electrides are suitable for achieving various topological phases, including topological insulating and topological semimetal phases. In the electrides, in which electrons serve as anions, the bands occupied by the anionic electrons lie ","authors_text":"Hideo Hosono, Motoaki Hirayama, Satoru Matsuishi, Shuichi Murakami","cross_cats":["cond-mat.other","cond-mat.supr-con","physics.chem-ph","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-11T12:08:17Z","title":"Electrides as a New Platform of Topological Materials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03732","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":"sha256:16455f98cd9d0abd61915ed007b5b3a24ed3afdb833968488136915f22ed98d3","target":"record","created_at":"2026-05-18T00:05:51Z","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":"2f7cefefacc8ce04115f7982dae8e1741b2e6de8b715d1eb055c67569d499ae2","cross_cats_sorted":["cond-mat.other","cond-mat.supr-con","physics.chem-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-11T12:08:17Z","title_canon_sha256":"ede549620be0d1141b8ba965e495d9de778908b3b85b6ef76fe6e647f749507f"},"schema_version":"1.0","source":{"id":"1801.03732","kind":"arxiv","version":2}},"canonical_sha256":"d5f706c400711b5a89b29570d8e6cb2f9a648dfbb62c9a050491fb9e427ef245","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d5f706c400711b5a89b29570d8e6cb2f9a648dfbb62c9a050491fb9e427ef245","first_computed_at":"2026-05-18T00:05:51.021093Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:51.021093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZPhto12yoENe/FGQHIxo//8wwD8D7YCcCGDja4jOaa2TXGALDl2Ucs2CdBRDOGi03Bifgsd3qz8VAfi8LNUgAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:51.021799Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.03732","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16455f98cd9d0abd61915ed007b5b3a24ed3afdb833968488136915f22ed98d3","sha256:189f4ff94ee9e6143bbd7996f1d62d72563011e737fbf83cbf4e4fe1a2299b02"],"state_sha256":"de442d77910b322f175e90ff736402dd09cbe503f3a2a882d3651924cc98383c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"weYQN1elFXbnMUv5UHiH0z2n3zSnUQ/btYf2R0zT1vWfgxxB0dGDBSXtUHm/z8QmTAwE0mZIIuP+8APEu9lJDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:41:51.695427Z","bundle_sha256":"527d25bbc90601c928d3ca264f73693b06b0e278a22e4f1dcd59ee69afa49c77"}}