{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:OOLIG7HPN7YEJ3QGLYMCFNVFXO","short_pith_number":"pith:OOLIG7HP","canonical_record":{"source":{"id":"2203.10547","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-03-20T13:09:16Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"8724835f64bbea6fcaa56c7a83f9fe333209c6a5439a214f7022f2704c069d8e","abstract_canon_sha256":"afaf09343c5186863e0b8627ec24b04df8df3b0e3b17811af0152a11e31f0107"},"schema_version":"1.0"},"canonical_sha256":"7396837cef6ff044ee065e1822b6a5bb915386f1f2118fdd758d2dbb376a739d","source":{"kind":"arxiv","id":"2203.10547","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.10547","created_at":"2026-07-05T05:27:17Z"},{"alias_kind":"arxiv_version","alias_value":"2203.10547v2","created_at":"2026-07-05T05:27:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.10547","created_at":"2026-07-05T05:27:17Z"},{"alias_kind":"pith_short_12","alias_value":"OOLIG7HPN7YE","created_at":"2026-07-05T05:27:17Z"},{"alias_kind":"pith_short_16","alias_value":"OOLIG7HPN7YEJ3QG","created_at":"2026-07-05T05:27:17Z"},{"alias_kind":"pith_short_8","alias_value":"OOLIG7HP","created_at":"2026-07-05T05:27:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:OOLIG7HPN7YEJ3QGLYMCFNVFXO","target":"record","payload":{"canonical_record":{"source":{"id":"2203.10547","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-03-20T13:09:16Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"8724835f64bbea6fcaa56c7a83f9fe333209c6a5439a214f7022f2704c069d8e","abstract_canon_sha256":"afaf09343c5186863e0b8627ec24b04df8df3b0e3b17811af0152a11e31f0107"},"schema_version":"1.0"},"canonical_sha256":"7396837cef6ff044ee065e1822b6a5bb915386f1f2118fdd758d2dbb376a739d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:27:17.262872Z","signature_b64":"XkyFVdLCgF6CG78eCetjyZuupPw9sPU2nEJtMaNm7S35o8eJJQTEMc8qAnh9kIMCcQfCIRn5rOlZ6/RcCDuvDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7396837cef6ff044ee065e1822b6a5bb915386f1f2118fdd758d2dbb376a739d","last_reissued_at":"2026-07-05T05:27:17.262475Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:27:17.262475Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.10547","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":"2026-07-05T05:27:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OoOm4myGGNDiJDQaCqqdTYKYOx+LBj6rIt5wUJkfVH2l/XL/d2HjJY244qJLokcq/lfrqX7l+oqP059ych/FCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:42:20.718400Z"},"content_sha256":"e435ed1c5d14f92fa115214f52dcc3d1728cc57433c5eb068f3e57f60719070e","schema_version":"1.0","event_id":"sha256:e435ed1c5d14f92fa115214f52dcc3d1728cc57433c5eb068f3e57f60719070e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:OOLIG7HPN7YEJ3QGLYMCFNVFXO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectroscopic evidence of flat bands in breathing kagome semiconductor Nb3I8","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Anup Pradhan Sakhya, Gyanendra Dhakal, Hector Vazquez, Iftakhar Bin Elius, Jihui Yang, Jiun-Haw Chu, Jonathan D Denlinger, Madhab Neupane, Sabin Regmi, Tharindu Fernando, Ting Cao, Xiaodong Xu, Yuzhou Zhao","submitted_at":"2022-03-20T13:09:16Z","abstract_excerpt":"Kagome materials have become solid grounds to study the interplay among geometry, topology, correlation, and magnetism. Recently, semiconductors Nb3X8(X = Cl, Br, I) have been predicted to be two-dimensional (2D) magnets and importantly these materials possess breathing kagome geometry. Electronic structure study of these promising materials is still lacking. Here, we report the spectroscopic evidence of at and weakly dispersing bands in breathing-kagome semiconductor Nb3I8 around 500 meV binding energy, which is well supported by our first-principles calculations. These bands originate from t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.10547","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/2203.10547/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":"2026-07-05T05:27:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GV2meCm5rV1FdE7k5f6PM+6ZQgmr9Oy8yZu8fXSM7xJgbIBulpBAqtELgZH9griTD2TYBlemNQ4aFSiklkNCAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T12:42:20.718979Z"},"content_sha256":"6b696862397d88f80f896eecc660b7067f58e7faeb3188a351b79fc32409a242","schema_version":"1.0","event_id":"sha256:6b696862397d88f80f896eecc660b7067f58e7faeb3188a351b79fc32409a242"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OOLIG7HPN7YEJ3QGLYMCFNVFXO/bundle.json","state_url":"https://pith.science/pith/OOLIG7HPN7YEJ3QGLYMCFNVFXO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OOLIG7HPN7YEJ3QGLYMCFNVFXO/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":"2026-08-04T12:42:20Z","links":{"resolver":"https://pith.science/pith/OOLIG7HPN7YEJ3QGLYMCFNVFXO","bundle":"https://pith.science/pith/OOLIG7HPN7YEJ3QGLYMCFNVFXO/bundle.json","state":"https://pith.science/pith/OOLIG7HPN7YEJ3QGLYMCFNVFXO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OOLIG7HPN7YEJ3QGLYMCFNVFXO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:OOLIG7HPN7YEJ3QGLYMCFNVFXO","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":"afaf09343c5186863e0b8627ec24b04df8df3b0e3b17811af0152a11e31f0107","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-03-20T13:09:16Z","title_canon_sha256":"8724835f64bbea6fcaa56c7a83f9fe333209c6a5439a214f7022f2704c069d8e"},"schema_version":"1.0","source":{"id":"2203.10547","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.10547","created_at":"2026-07-05T05:27:17Z"},{"alias_kind":"arxiv_version","alias_value":"2203.10547v2","created_at":"2026-07-05T05:27:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.10547","created_at":"2026-07-05T05:27:17Z"},{"alias_kind":"pith_short_12","alias_value":"OOLIG7HPN7YE","created_at":"2026-07-05T05:27:17Z"},{"alias_kind":"pith_short_16","alias_value":"OOLIG7HPN7YEJ3QG","created_at":"2026-07-05T05:27:17Z"},{"alias_kind":"pith_short_8","alias_value":"OOLIG7HP","created_at":"2026-07-05T05:27:17Z"}],"graph_snapshots":[{"event_id":"sha256:6b696862397d88f80f896eecc660b7067f58e7faeb3188a351b79fc32409a242","target":"graph","created_at":"2026-07-05T05:27:17Z","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/2203.10547/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Kagome materials have become solid grounds to study the interplay among geometry, topology, correlation, and magnetism. Recently, semiconductors Nb3X8(X = Cl, Br, I) have been predicted to be two-dimensional (2D) magnets and importantly these materials possess breathing kagome geometry. Electronic structure study of these promising materials is still lacking. Here, we report the spectroscopic evidence of at and weakly dispersing bands in breathing-kagome semiconductor Nb3I8 around 500 meV binding energy, which is well supported by our first-principles calculations. These bands originate from t","authors_text":"Anup Pradhan Sakhya, Gyanendra Dhakal, Hector Vazquez, Iftakhar Bin Elius, Jihui Yang, Jiun-Haw Chu, Jonathan D Denlinger, Madhab Neupane, Sabin Regmi, Tharindu Fernando, Ting Cao, Xiaodong Xu, Yuzhou Zhao","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-03-20T13:09:16Z","title":"Spectroscopic evidence of flat bands in breathing kagome semiconductor Nb3I8"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.10547","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:e435ed1c5d14f92fa115214f52dcc3d1728cc57433c5eb068f3e57f60719070e","target":"record","created_at":"2026-07-05T05:27:17Z","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":"afaf09343c5186863e0b8627ec24b04df8df3b0e3b17811af0152a11e31f0107","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-03-20T13:09:16Z","title_canon_sha256":"8724835f64bbea6fcaa56c7a83f9fe333209c6a5439a214f7022f2704c069d8e"},"schema_version":"1.0","source":{"id":"2203.10547","kind":"arxiv","version":2}},"canonical_sha256":"7396837cef6ff044ee065e1822b6a5bb915386f1f2118fdd758d2dbb376a739d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7396837cef6ff044ee065e1822b6a5bb915386f1f2118fdd758d2dbb376a739d","first_computed_at":"2026-07-05T05:27:17.262475Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:27:17.262475Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XkyFVdLCgF6CG78eCetjyZuupPw9sPU2nEJtMaNm7S35o8eJJQTEMc8qAnh9kIMCcQfCIRn5rOlZ6/RcCDuvDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:27:17.262872Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.10547","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e435ed1c5d14f92fa115214f52dcc3d1728cc57433c5eb068f3e57f60719070e","sha256:6b696862397d88f80f896eecc660b7067f58e7faeb3188a351b79fc32409a242"],"state_sha256":"f9a39b332158df693da3a37867916616c479ec1155088765d5ec27857b44fd1b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X/r2QMXTq+npydkVpqKJk1DPkgpl3XO67LczdfBJqSJGJSqJFuRPohPGlh3IHZdyY/HI1N+N/T3az+HKdxfsDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T12:42:20.723113Z","bundle_sha256":"4b94cc5d1388c5947d5bd99010e397d0ed88b3217bd80d7056441d21eaf5e58a"}}