{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:OBZPMPWBAMC53BPLCW23O52TPQ","short_pith_number":"pith:OBZPMPWB","canonical_record":{"source":{"id":"2010.05390","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-10-12T01:31:21Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"01ccefb7401f2160533a78fa6ade0fc8199ccc0b1c19d018436c86510e940f6e","abstract_canon_sha256":"6b93501e4c649cd7efa7216cee46103126f8c358d3d13356f95bb0f23c0f0824"},"schema_version":"1.0"},"canonical_sha256":"7072f63ec10305dd85eb15b5b777537c0818293b06c4789388172ba2ec4f8b6c","source":{"kind":"arxiv","id":"2010.05390","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.05390","created_at":"2026-07-05T03:44:50Z"},{"alias_kind":"arxiv_version","alias_value":"2010.05390v3","created_at":"2026-07-05T03:44:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.05390","created_at":"2026-07-05T03:44:50Z"},{"alias_kind":"pith_short_12","alias_value":"OBZPMPWBAMC5","created_at":"2026-07-05T03:44:50Z"},{"alias_kind":"pith_short_16","alias_value":"OBZPMPWBAMC53BPL","created_at":"2026-07-05T03:44:50Z"},{"alias_kind":"pith_short_8","alias_value":"OBZPMPWB","created_at":"2026-07-05T03:44:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:OBZPMPWBAMC53BPLCW23O52TPQ","target":"record","payload":{"canonical_record":{"source":{"id":"2010.05390","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-10-12T01:31:21Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"01ccefb7401f2160533a78fa6ade0fc8199ccc0b1c19d018436c86510e940f6e","abstract_canon_sha256":"6b93501e4c649cd7efa7216cee46103126f8c358d3d13356f95bb0f23c0f0824"},"schema_version":"1.0"},"canonical_sha256":"7072f63ec10305dd85eb15b5b777537c0818293b06c4789388172ba2ec4f8b6c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:44:50.495455Z","signature_b64":"xt6u9GBAc8em6CT/ntJlZgxKoIgZMt26yZ4HQIfN3dEOp+JYA45DgQl8Q8alz/YYzRehOAzZBhq3AFtwI2jsDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7072f63ec10305dd85eb15b5b777537c0818293b06c4789388172ba2ec4f8b6c","last_reissued_at":"2026-07-05T03:44:50.494956Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:44:50.494956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.05390","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":"2026-07-05T03:44:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WbfgxYpnXRLohHr/6Fb2RjuJ/t+K1WmZAFnZwdOb4yaxQ0tTcon2BOVwx/gvlVdn8/t6bXEWIA7XfGUvSsO6AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T23:54:52.324224Z"},"content_sha256":"7a62e53c0299b7cdb1e1790d53b26dd1d527c3040750c9175c50f04a1f153a3c","schema_version":"1.0","event_id":"sha256:7a62e53c0299b7cdb1e1790d53b26dd1d527c3040750c9175c50f04a1f153a3c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:OBZPMPWBAMC53BPLCW23O52TPQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for a Monolayer Excitonic Insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.mes-hall","authors_text":"Ali Yazdani, B. Andrei Bernevig, Berthold J\\\"ack, Cheng-Li Chiu, F. Alexandre Cevallos, Fang Xie, Gelareh Farahi, Guo Yu, Kenji Watanabe, Leslie M. Schoop, Michael Onyszczak, Nadezhda Fishchenko, Pengjie Wang, Robert J. Cava, Sanfeng Wu, Sebastian Klemenz, Shiming Lei, Takashi Taniguchi, Xiaomeng Liu, Yanyu Jia, Yuanfeng Xu, Zhida Song","submitted_at":"2020-10-12T01:31:21Z","abstract_excerpt":"The interplay between topology and correlations can generate a variety of quantum phases, many of which remain to be explored. Recent advances have identified monolayer WTe2 as a promising material for doing so in a highly tunable fashion. The ground state of this two-dimensional (2D) crystal can be electrostatically tuned from a quantum spin Hall insulator (QSHI) to a superconductor. However, much remains unknown about the gap-opening mechanism of the insulating state. Here we report evidence that the QSHI is also an excitonic insulator (EI), arising from the spontaneous formation of electron"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.05390","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2010.05390/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":"2026-07-05T03:44:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PVHdevQek/M4OdQOSy/jB8eMIrj0Ttd2V+7LTCTphYdVUWtgDLUxVm1XlKF6xBdKJVb1XQOoAF6sikgSqXuUAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T23:54:52.324622Z"},"content_sha256":"2cfc20fc829271c1058a68d4a5a60fc9e0dc0bad5a3ed64be3b80a4b17a6d0f3","schema_version":"1.0","event_id":"sha256:2cfc20fc829271c1058a68d4a5a60fc9e0dc0bad5a3ed64be3b80a4b17a6d0f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OBZPMPWBAMC53BPLCW23O52TPQ/bundle.json","state_url":"https://pith.science/pith/OBZPMPWBAMC53BPLCW23O52TPQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OBZPMPWBAMC53BPLCW23O52TPQ/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":"2026-07-08T23:54:52Z","links":{"resolver":"https://pith.science/pith/OBZPMPWBAMC53BPLCW23O52TPQ","bundle":"https://pith.science/pith/OBZPMPWBAMC53BPLCW23O52TPQ/bundle.json","state":"https://pith.science/pith/OBZPMPWBAMC53BPLCW23O52TPQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OBZPMPWBAMC53BPLCW23O52TPQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:OBZPMPWBAMC53BPLCW23O52TPQ","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":"6b93501e4c649cd7efa7216cee46103126f8c358d3d13356f95bb0f23c0f0824","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-10-12T01:31:21Z","title_canon_sha256":"01ccefb7401f2160533a78fa6ade0fc8199ccc0b1c19d018436c86510e940f6e"},"schema_version":"1.0","source":{"id":"2010.05390","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.05390","created_at":"2026-07-05T03:44:50Z"},{"alias_kind":"arxiv_version","alias_value":"2010.05390v3","created_at":"2026-07-05T03:44:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.05390","created_at":"2026-07-05T03:44:50Z"},{"alias_kind":"pith_short_12","alias_value":"OBZPMPWBAMC5","created_at":"2026-07-05T03:44:50Z"},{"alias_kind":"pith_short_16","alias_value":"OBZPMPWBAMC53BPL","created_at":"2026-07-05T03:44:50Z"},{"alias_kind":"pith_short_8","alias_value":"OBZPMPWB","created_at":"2026-07-05T03:44:50Z"}],"graph_snapshots":[{"event_id":"sha256:2cfc20fc829271c1058a68d4a5a60fc9e0dc0bad5a3ed64be3b80a4b17a6d0f3","target":"graph","created_at":"2026-07-05T03:44:50Z","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/2010.05390/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The interplay between topology and correlations can generate a variety of quantum phases, many of which remain to be explored. Recent advances have identified monolayer WTe2 as a promising material for doing so in a highly tunable fashion. The ground state of this two-dimensional (2D) crystal can be electrostatically tuned from a quantum spin Hall insulator (QSHI) to a superconductor. However, much remains unknown about the gap-opening mechanism of the insulating state. Here we report evidence that the QSHI is also an excitonic insulator (EI), arising from the spontaneous formation of electron","authors_text":"Ali Yazdani, B. Andrei Bernevig, Berthold J\\\"ack, Cheng-Li Chiu, F. Alexandre Cevallos, Fang Xie, Gelareh Farahi, Guo Yu, Kenji Watanabe, Leslie M. Schoop, Michael Onyszczak, Nadezhda Fishchenko, Pengjie Wang, Robert J. Cava, Sanfeng Wu, Sebastian Klemenz, Shiming Lei, Takashi Taniguchi, Xiaomeng Liu, Yanyu Jia, Yuanfeng Xu, Zhida Song","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-10-12T01:31:21Z","title":"Evidence for a Monolayer Excitonic Insulator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.05390","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":"sha256:7a62e53c0299b7cdb1e1790d53b26dd1d527c3040750c9175c50f04a1f153a3c","target":"record","created_at":"2026-07-05T03:44:50Z","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":"6b93501e4c649cd7efa7216cee46103126f8c358d3d13356f95bb0f23c0f0824","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-10-12T01:31:21Z","title_canon_sha256":"01ccefb7401f2160533a78fa6ade0fc8199ccc0b1c19d018436c86510e940f6e"},"schema_version":"1.0","source":{"id":"2010.05390","kind":"arxiv","version":3}},"canonical_sha256":"7072f63ec10305dd85eb15b5b777537c0818293b06c4789388172ba2ec4f8b6c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7072f63ec10305dd85eb15b5b777537c0818293b06c4789388172ba2ec4f8b6c","first_computed_at":"2026-07-05T03:44:50.494956Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:44:50.494956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xt6u9GBAc8em6CT/ntJlZgxKoIgZMt26yZ4HQIfN3dEOp+JYA45DgQl8Q8alz/YYzRehOAzZBhq3AFtwI2jsDg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:44:50.495455Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.05390","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a62e53c0299b7cdb1e1790d53b26dd1d527c3040750c9175c50f04a1f153a3c","sha256:2cfc20fc829271c1058a68d4a5a60fc9e0dc0bad5a3ed64be3b80a4b17a6d0f3"],"state_sha256":"b80514b6507c6f71b9600a15a941a994d1dc995d2894b93fe11df8e88bb9001b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HhLHO8JOanjO+5DKZSyI3SBljqxob2mEXBkTfagU0igifsi63khXsh8ZAC/lKYcvq7If2VFvpJq0yl7orwPEBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T23:54:52.326848Z","bundle_sha256":"bb3f08f49ca9acb191cf9525c19c28e096715723139a0edf22fd8c8ce7d59987"}}