{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:LUMQLGIQTB2HYTCOEGEKLHL2C3","short_pith_number":"pith:LUMQLGIQ","canonical_record":{"source":{"id":"2607.20619","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-07-22T18:00:02Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"bbbf0470dbdc66b3e214dbc2340e827796a352bb135a56f99c3aa11a115be456","abstract_canon_sha256":"663ab110722e0246643080e44b5967f2f12cba8b5716483b39c53d16e36ffcbf"},"schema_version":"1.0"},"canonical_sha256":"5d1905991098747c4c4e2188a59d7a16c7ba6e8a0029511b409a1fd1be426e13","source":{"kind":"arxiv","id":"2607.20619","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20619","created_at":"2026-07-24T00:23:25Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20619v1","created_at":"2026-07-24T00:23:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20619","created_at":"2026-07-24T00:23:25Z"},{"alias_kind":"pith_short_12","alias_value":"LUMQLGIQTB2H","created_at":"2026-07-24T00:23:25Z"},{"alias_kind":"pith_short_16","alias_value":"LUMQLGIQTB2HYTCO","created_at":"2026-07-24T00:23:25Z"},{"alias_kind":"pith_short_8","alias_value":"LUMQLGIQ","created_at":"2026-07-24T00:23:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:LUMQLGIQTB2HYTCOEGEKLHL2C3","target":"record","payload":{"canonical_record":{"source":{"id":"2607.20619","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-07-22T18:00:02Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"bbbf0470dbdc66b3e214dbc2340e827796a352bb135a56f99c3aa11a115be456","abstract_canon_sha256":"663ab110722e0246643080e44b5967f2f12cba8b5716483b39c53d16e36ffcbf"},"schema_version":"1.0"},"canonical_sha256":"5d1905991098747c4c4e2188a59d7a16c7ba6e8a0029511b409a1fd1be426e13","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-24T00:23:25.908489Z","signature_b64":"ErrcVPd0xZCKExMA2X+JPlHpeu0XscEY+f9s2Umaf3Pt6cDWr9qyDT8Ia1PpioYc+wjsoIjFOLR7akmVjPj5AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d1905991098747c4c4e2188a59d7a16c7ba6e8a0029511b409a1fd1be426e13","last_reissued_at":"2026-07-24T00:23:25.907212Z","signature_status":"signed_v1","first_computed_at":"2026-07-24T00:23:25.907212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.20619","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":"2026-07-24T00:23:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"olTtqssTEDd29jHM8iS3vro/9R6TP8sEfzbkXfY+gUQXhSkMCJ5wblbIn9KhtJaf72QGZkPDDydt8TcuKzNADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T02:30:09.623760Z"},"content_sha256":"99567e180538123b189fef31b47ee1dea3a0297d46df00cac8c9636d84d881b1","schema_version":"1.0","event_id":"sha256:99567e180538123b189fef31b47ee1dea3a0297d46df00cac8c9636d84d881b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:LUMQLGIQTB2HYTCOEGEKLHL2C3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Monte Carlo Studies of Twisted Bilayer Graphene: Strain and Thermal Fluctuations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.str-el","authors_text":"Ashvin Vishwanath, Erez Berg, Johannes S. Hofmann, Jong Yeon Lee, Patrick Ledwith","submitted_at":"2026-07-22T18:00:02Z","abstract_excerpt":"We study the phase diagram of twisted bilayer graphene at charge neutrality as a function of twist angle $\\theta$, uniaxial heterostrain $\\varepsilon$, and temperature $T$ using sign-problem-free quantum Monte Carlo simulations. At $T=0$ and zero strain, we find a continuous transition from a Dirac semimetal to a gapped Kramers inter-valley coherent (KIVC) phase as $\\theta$ decreases toward the magic angle. With finite strain, the KIVC phase undergoes a further continuous transition at smaller $\\theta$ into an anisotropic semimetal with gapless excitations near the center of the moir\\'{e} Bril"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20619","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.20619/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":"2026-07-24T00:23:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DXFT4aLDOqIYPRp9At7UO4b/HG5HZUEG50a7jNpr8mhNvwAhOy7vrxugkWqoFy/Ahh3j7cq7KqrDxHH4DMuFDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T02:30:09.624135Z"},"content_sha256":"93475bc52823d8e9bd54d157fd47890d5ac7656d7794b40ad5a20607c8c5210f","schema_version":"1.0","event_id":"sha256:93475bc52823d8e9bd54d157fd47890d5ac7656d7794b40ad5a20607c8c5210f"},{"event_type":"integrity_finding","subject_pith_number":"pith:2026:LUMQLGIQTB2HYTCOEGEKLHL2C3","target":"integrity","payload":{"note":"DOI in the printed bibliography is fragmented by whitespace or line breaks. A longer candidate (10.1038/s41567-019-0606-5) was visible in the surrounding text but could not be confirmed against doi.org as printed.","snippet":"Y. Choi, J. Kemmer, Y. Peng, A. Thomson, H. Arora, R. Polski, Y. Zhang, H. Ren, J. Alicea, G. Refael, F. von Oppen, K. Watanabe, T. Taniguchi, and S. Nadj-Perge, Electronic correlations in twisted bilayer graphene near the magic angle, Natu","arxiv_id":"2607.20619","detector":"doi_compliance","evidence":{"ref_index":11,"verdict_class":"incontrovertible","resolved_title":null,"printed_excerpt":"10.1038/s41567-019-","reconstructed_doi":"10.1038/s41567-019-0606-5"},"severity":"advisory","ref_index":11,"audited_at":"2026-08-01T09:59:34.197874Z","event_type":"pith.integrity.v1","detected_doi":"10.1038/s41567-019-0606-5","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"recoverable_identifier","evidence_hash":"eb643b7e821520192401209ae4d4d5b02ac98921158c9ca85183550cafa7ee00","paper_version":1,"verdict_class":"incontrovertible","resolved_title":null,"detector_version":"1.1.0","detected_arxiv_id":null,"integrity_event_id":15577,"payload_sha256":"65bfda3f363d9f3e3db01807c57f1b68f7985d38db885c9e3ed861ec07b1be2e","signature_b64":"iCjEpfu72OI0EMoSGwHyXqQhVIPkEdiZ8LG9Vh05yWAW+DPjGfAoyGEzgU5Opug7dZ4Xoiu1mwFdjhbV5TS0Ag==","signing_key_id":"pith-v1-2026-05"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-08-01T10:03:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wjd1jsegMP414saSI2GHnTVlr74XM6V63nQD/qAYFIGwsR0+ePG5+E5OSZ93d9Js4QdoL8pkBtpuOYgJsgDaBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T02:30:09.625702Z"},"content_sha256":"e508bf86b4c22bab11c586e141592fa1a6e08c0734d3727de3f91b56a779e440","schema_version":"1.0","event_id":"sha256:e508bf86b4c22bab11c586e141592fa1a6e08c0734d3727de3f91b56a779e440"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LUMQLGIQTB2HYTCOEGEKLHL2C3/bundle.json","state_url":"https://pith.science/pith/LUMQLGIQTB2HYTCOEGEKLHL2C3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LUMQLGIQTB2HYTCOEGEKLHL2C3/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":"2026-08-05T02:30:09Z","links":{"resolver":"https://pith.science/pith/LUMQLGIQTB2HYTCOEGEKLHL2C3","bundle":"https://pith.science/pith/LUMQLGIQTB2HYTCOEGEKLHL2C3/bundle.json","state":"https://pith.science/pith/LUMQLGIQTB2HYTCOEGEKLHL2C3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LUMQLGIQTB2HYTCOEGEKLHL2C3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:LUMQLGIQTB2HYTCOEGEKLHL2C3","merge_version":"pith-open-graph-merge-v1","event_count":3,"valid_event_count":3,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"663ab110722e0246643080e44b5967f2f12cba8b5716483b39c53d16e36ffcbf","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-07-22T18:00:02Z","title_canon_sha256":"bbbf0470dbdc66b3e214dbc2340e827796a352bb135a56f99c3aa11a115be456"},"schema_version":"1.0","source":{"id":"2607.20619","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20619","created_at":"2026-07-24T00:23:25Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20619v1","created_at":"2026-07-24T00:23:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20619","created_at":"2026-07-24T00:23:25Z"},{"alias_kind":"pith_short_12","alias_value":"LUMQLGIQTB2H","created_at":"2026-07-24T00:23:25Z"},{"alias_kind":"pith_short_16","alias_value":"LUMQLGIQTB2HYTCO","created_at":"2026-07-24T00:23:25Z"},{"alias_kind":"pith_short_8","alias_value":"LUMQLGIQ","created_at":"2026-07-24T00:23:25Z"}],"graph_snapshots":[{"event_id":"sha256:93475bc52823d8e9bd54d157fd47890d5ac7656d7794b40ad5a20607c8c5210f","target":"graph","created_at":"2026-07-24T00:23:25Z","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/2607.20619/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the phase diagram of twisted bilayer graphene at charge neutrality as a function of twist angle $\\theta$, uniaxial heterostrain $\\varepsilon$, and temperature $T$ using sign-problem-free quantum Monte Carlo simulations. At $T=0$ and zero strain, we find a continuous transition from a Dirac semimetal to a gapped Kramers inter-valley coherent (KIVC) phase as $\\theta$ decreases toward the magic angle. With finite strain, the KIVC phase undergoes a further continuous transition at smaller $\\theta$ into an anisotropic semimetal with gapless excitations near the center of the moir\\'{e} Bril","authors_text":"Ashvin Vishwanath, Erez Berg, Johannes S. Hofmann, Jong Yeon Lee, Patrick Ledwith","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-07-22T18:00:02Z","title":"Monte Carlo Studies of Twisted Bilayer Graphene: Strain and Thermal Fluctuations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20619","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":"sha256:99567e180538123b189fef31b47ee1dea3a0297d46df00cac8c9636d84d881b1","target":"record","created_at":"2026-07-24T00:23:25Z","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":"663ab110722e0246643080e44b5967f2f12cba8b5716483b39c53d16e36ffcbf","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-07-22T18:00:02Z","title_canon_sha256":"bbbf0470dbdc66b3e214dbc2340e827796a352bb135a56f99c3aa11a115be456"},"schema_version":"1.0","source":{"id":"2607.20619","kind":"arxiv","version":1}},"canonical_sha256":"5d1905991098747c4c4e2188a59d7a16c7ba6e8a0029511b409a1fd1be426e13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d1905991098747c4c4e2188a59d7a16c7ba6e8a0029511b409a1fd1be426e13","first_computed_at":"2026-07-24T00:23:25.907212Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-24T00:23:25.907212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ErrcVPd0xZCKExMA2X+JPlHpeu0XscEY+f9s2Umaf3Pt6cDWr9qyDT8Ia1PpioYc+wjsoIjFOLR7akmVjPj5AQ==","signature_status":"signed_v1","signed_at":"2026-07-24T00:23:25.908489Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.20619","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99567e180538123b189fef31b47ee1dea3a0297d46df00cac8c9636d84d881b1","sha256:93475bc52823d8e9bd54d157fd47890d5ac7656d7794b40ad5a20607c8c5210f","sha256:e508bf86b4c22bab11c586e141592fa1a6e08c0734d3727de3f91b56a779e440"],"state_sha256":"9e603cfa431eb69e3f4e93a6e9d07603224882e03d29422214a0aa62aa612e6c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fXF5ZOqYAoE1e358r+f+/dNWZc7w99XNMlw8AMpPpgrYiMkqzQOuwtP7dMPuyc2dcIHu87EMV/ZkOTGhneClCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T02:30:09.627171Z","bundle_sha256":"32beb81d245cc186b7e6e57f1c7beca97c325ceccca1a3a32346d3be81fff09f"}}