{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:2EK57QBN2SBQAFW7K3PZZU2B5F","short_pith_number":"pith:2EK57QBN","canonical_record":{"source":{"id":"2108.06588","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-08-14T16:59:53Z","cross_cats_sorted":[],"title_canon_sha256":"47da3dcb6ba80ca7f6be0db0b858dda1b9e3416f06b89f1d675f95b8ba597474","abstract_canon_sha256":"c3528b2a00bdc029b65eb259d7c93a7c151b96a2c3cc853961a58f4072d3fdc1"},"schema_version":"1.0"},"canonical_sha256":"d115dfc02dd4830016df56df9cd341e9540a7462eba77e7599179054683e78d6","source":{"kind":"arxiv","id":"2108.06588","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.06588","created_at":"2026-07-05T03:06:37Z"},{"alias_kind":"arxiv_version","alias_value":"2108.06588v2","created_at":"2026-07-05T03:06:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.06588","created_at":"2026-07-05T03:06:37Z"},{"alias_kind":"pith_short_12","alias_value":"2EK57QBN2SBQ","created_at":"2026-07-05T03:06:37Z"},{"alias_kind":"pith_short_16","alias_value":"2EK57QBN2SBQAFW7","created_at":"2026-07-05T03:06:37Z"},{"alias_kind":"pith_short_8","alias_value":"2EK57QBN","created_at":"2026-07-05T03:06:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:2EK57QBN2SBQAFW7K3PZZU2B5F","target":"record","payload":{"canonical_record":{"source":{"id":"2108.06588","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-08-14T16:59:53Z","cross_cats_sorted":[],"title_canon_sha256":"47da3dcb6ba80ca7f6be0db0b858dda1b9e3416f06b89f1d675f95b8ba597474","abstract_canon_sha256":"c3528b2a00bdc029b65eb259d7c93a7c151b96a2c3cc853961a58f4072d3fdc1"},"schema_version":"1.0"},"canonical_sha256":"d115dfc02dd4830016df56df9cd341e9540a7462eba77e7599179054683e78d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:06:37.294815Z","signature_b64":"duDDfKzH1B1yPZ0aj4byFng+g2pvSI6edRlEnXXPoEzo5tVb6dW6uXObAPnTMAiDyKqgT2FcrhQbflq7sVkWCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d115dfc02dd4830016df56df9cd341e9540a7462eba77e7599179054683e78d6","last_reissued_at":"2026-07-05T03:06:37.294307Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:06:37.294307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.06588","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":"2026-07-05T03:06:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lsN1hHr2c5Trg77xYjRZFnMHqq4siO2pVja63K++XrLbSyB2UIf8VszfoYLyYUHrnryvudqOy+7/PMmrC7zEBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:49:07.769174Z"},"content_sha256":"da6ed1379d8e74903363e9e5c003ad8b3ad5c25b3ba4f71f9708493f048562db","schema_version":"1.0","event_id":"sha256:da6ed1379d8e74903363e9e5c003ad8b3ad5c25b3ba4f71f9708493f048562db"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:2EK57QBN2SBQAFW7K3PZZU2B5F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dipolar excitonic insulator in a moire lattice","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"James C. Hone, Jie Gu, Jie Shan, Kenji Watanabe, Kin Fai Mak, Liguo Ma, Song Liu, Takashi Taniguchi","submitted_at":"2021-08-14T16:59:53Z","abstract_excerpt":"Two-dimensional (2D) moire materials provide a new solid-state platform with unprecedented controllability for studies of correlated quantum phenomena. To date, experimental studies have focused on the correlated electronic states; the correlated bosonic states in moire materials have remained practically unexplored. Here, we report a correlated dipolar excitonic insulator, a charge insulating state driven by the formation of excitons, in a Coulomb-coupled WSe2 monolayer and WSe2/WS2 moire bilayer at total hole doping density equal to the moire density. The system is a Mott insulator when all "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.06588","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2108.06588/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":"2026-07-05T03:06:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3IN3WukRIArnIkqFbJZzZ8YIR3TRR7JX60XkAFNOONKLurA6lj2yYvg/QX86AIQ5IFD+ppoGz1yIanDYsBZjBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:49:07.770072Z"},"content_sha256":"dbca2b501174ac34c03b2c393efdd47af3246c1cfa0defd949930364fa8fb58d","schema_version":"1.0","event_id":"sha256:dbca2b501174ac34c03b2c393efdd47af3246c1cfa0defd949930364fa8fb58d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2EK57QBN2SBQAFW7K3PZZU2B5F/bundle.json","state_url":"https://pith.science/pith/2EK57QBN2SBQAFW7K3PZZU2B5F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2EK57QBN2SBQAFW7K3PZZU2B5F/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":"2026-08-06T11:49:07Z","links":{"resolver":"https://pith.science/pith/2EK57QBN2SBQAFW7K3PZZU2B5F","bundle":"https://pith.science/pith/2EK57QBN2SBQAFW7K3PZZU2B5F/bundle.json","state":"https://pith.science/pith/2EK57QBN2SBQAFW7K3PZZU2B5F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2EK57QBN2SBQAFW7K3PZZU2B5F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:2EK57QBN2SBQAFW7K3PZZU2B5F","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":"c3528b2a00bdc029b65eb259d7c93a7c151b96a2c3cc853961a58f4072d3fdc1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-08-14T16:59:53Z","title_canon_sha256":"47da3dcb6ba80ca7f6be0db0b858dda1b9e3416f06b89f1d675f95b8ba597474"},"schema_version":"1.0","source":{"id":"2108.06588","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.06588","created_at":"2026-07-05T03:06:37Z"},{"alias_kind":"arxiv_version","alias_value":"2108.06588v2","created_at":"2026-07-05T03:06:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.06588","created_at":"2026-07-05T03:06:37Z"},{"alias_kind":"pith_short_12","alias_value":"2EK57QBN2SBQ","created_at":"2026-07-05T03:06:37Z"},{"alias_kind":"pith_short_16","alias_value":"2EK57QBN2SBQAFW7","created_at":"2026-07-05T03:06:37Z"},{"alias_kind":"pith_short_8","alias_value":"2EK57QBN","created_at":"2026-07-05T03:06:37Z"}],"graph_snapshots":[{"event_id":"sha256:dbca2b501174ac34c03b2c393efdd47af3246c1cfa0defd949930364fa8fb58d","target":"graph","created_at":"2026-07-05T03:06:37Z","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/2108.06588/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Two-dimensional (2D) moire materials provide a new solid-state platform with unprecedented controllability for studies of correlated quantum phenomena. To date, experimental studies have focused on the correlated electronic states; the correlated bosonic states in moire materials have remained practically unexplored. Here, we report a correlated dipolar excitonic insulator, a charge insulating state driven by the formation of excitons, in a Coulomb-coupled WSe2 monolayer and WSe2/WS2 moire bilayer at total hole doping density equal to the moire density. The system is a Mott insulator when all ","authors_text":"James C. Hone, Jie Gu, Jie Shan, Kenji Watanabe, Kin Fai Mak, Liguo Ma, Song Liu, Takashi Taniguchi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-08-14T16:59:53Z","title":"Dipolar excitonic insulator in a moire lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.06588","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:da6ed1379d8e74903363e9e5c003ad8b3ad5c25b3ba4f71f9708493f048562db","target":"record","created_at":"2026-07-05T03:06:37Z","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":"c3528b2a00bdc029b65eb259d7c93a7c151b96a2c3cc853961a58f4072d3fdc1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-08-14T16:59:53Z","title_canon_sha256":"47da3dcb6ba80ca7f6be0db0b858dda1b9e3416f06b89f1d675f95b8ba597474"},"schema_version":"1.0","source":{"id":"2108.06588","kind":"arxiv","version":2}},"canonical_sha256":"d115dfc02dd4830016df56df9cd341e9540a7462eba77e7599179054683e78d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d115dfc02dd4830016df56df9cd341e9540a7462eba77e7599179054683e78d6","first_computed_at":"2026-07-05T03:06:37.294307Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:06:37.294307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"duDDfKzH1B1yPZ0aj4byFng+g2pvSI6edRlEnXXPoEzo5tVb6dW6uXObAPnTMAiDyKqgT2FcrhQbflq7sVkWCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:06:37.294815Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.06588","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da6ed1379d8e74903363e9e5c003ad8b3ad5c25b3ba4f71f9708493f048562db","sha256:dbca2b501174ac34c03b2c393efdd47af3246c1cfa0defd949930364fa8fb58d"],"state_sha256":"375622ef328bcdaae9123c0f50068b420678ee3173b4648c64c370d2d827577e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J9vn+fWev/O10/RsyN73riTf0UP1UKkrMWjphDWfDkUdu+0+8B0YwPSsPlUsqMzc2/A1VJbxPMHbdS93tEJjDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T11:49:07.775859Z","bundle_sha256":"209a986007e65229e8ebfc388e32852ec4854537906a900bb1e9ec6776288087"}}