{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:GTZFE7BRP3H4FHD3XZCP6YUW77","short_pith_number":"pith:GTZFE7BR","canonical_record":{"source":{"id":"2310.18276","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-10-27T17:05:35Z","cross_cats_sorted":[],"title_canon_sha256":"40e5f998575d0c8c8731b7a809898e042898be0e49d95f515e6b444b93f77167","abstract_canon_sha256":"9f564680ce5175151cdf424a71dc2aff2b88e09e7868007e6b727ca91ad85454"},"schema_version":"1.0"},"canonical_sha256":"34f2527c317ecfc29c7bbe44ff6296ffd814d7bffb18c3c6f2826fd1282edcc9","source":{"kind":"arxiv","id":"2310.18276","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.18276","created_at":"2026-07-05T07:09:55Z"},{"alias_kind":"arxiv_version","alias_value":"2310.18276v2","created_at":"2026-07-05T07:09:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.18276","created_at":"2026-07-05T07:09:55Z"},{"alias_kind":"pith_short_12","alias_value":"GTZFE7BRP3H4","created_at":"2026-07-05T07:09:55Z"},{"alias_kind":"pith_short_16","alias_value":"GTZFE7BRP3H4FHD3","created_at":"2026-07-05T07:09:55Z"},{"alias_kind":"pith_short_8","alias_value":"GTZFE7BR","created_at":"2026-07-05T07:09:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:GTZFE7BRP3H4FHD3XZCP6YUW77","target":"record","payload":{"canonical_record":{"source":{"id":"2310.18276","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-10-27T17:05:35Z","cross_cats_sorted":[],"title_canon_sha256":"40e5f998575d0c8c8731b7a809898e042898be0e49d95f515e6b444b93f77167","abstract_canon_sha256":"9f564680ce5175151cdf424a71dc2aff2b88e09e7868007e6b727ca91ad85454"},"schema_version":"1.0"},"canonical_sha256":"34f2527c317ecfc29c7bbe44ff6296ffd814d7bffb18c3c6f2826fd1282edcc9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:09:55.466449Z","signature_b64":"1cfIP810KL4YODkOiiZatTxTIY6eJQXRxWwCbHG/xYVDr8UJkR4YE4mRE9D10R/KUjZ0QjQzA3l2qylzPpeBAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34f2527c317ecfc29c7bbe44ff6296ffd814d7bffb18c3c6f2826fd1282edcc9","last_reissued_at":"2026-07-05T07:09:55.465942Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:09:55.465942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.18276","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":"2026-07-05T07:09:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"esXhSZxA/SaW5zC94No7A09E8HZBp/DOoULD8wZBJus25p8KraVHdNHAt1JeU9xlXgUxkoNZEqMw0tGhGNkRBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:25:19.360229Z"},"content_sha256":"0cef41c4faa07536179b323b9561b062751c4413cdc3814cec971329905a3a35","schema_version":"1.0","event_id":"sha256:0cef41c4faa07536179b323b9561b062751c4413cdc3814cec971329905a3a35"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:GTZFE7BRP3H4FHD3XZCP6YUW77","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Origin of flat bands and non-trivial topology in coupled kagome lattices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Anumita Bose, Arka Bandyopadhyay, Awadhesh Narayan","submitted_at":"2023-10-27T17:05:35Z","abstract_excerpt":"We propose an exact analytical decimation transformation scheme to explore the fascinating coexistence of flat bands and Dirac fermions in three-dimensional coupled kagome systems. Our method allows coarse-graining of the parameter space that maps the original system to an equivalent low-level lattice. The decimated system enables defining a quantity in the tight-binding parameter space that predominantly controls the emergence of a flat band (FB) and provides a specific criterion for absolute flatness. Likewise, in terms of atomic separations, we develop a quantity that primarily controls the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.18276","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/2310.18276/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":"2026-07-05T07:09:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8TFI4U0GOKuDWKf+aE1TtYHGVK1IomSK7TMwLsCsDVOk4nREHFXVbDWHVHlVzmvXkj2G5r5Gr7J92WpCgEnUBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T07:25:19.360638Z"},"content_sha256":"3e559c009e97d90a7671ed46dd4273053f78fda89b8f0fc50741be9f74ef40ed","schema_version":"1.0","event_id":"sha256:3e559c009e97d90a7671ed46dd4273053f78fda89b8f0fc50741be9f74ef40ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GTZFE7BRP3H4FHD3XZCP6YUW77/bundle.json","state_url":"https://pith.science/pith/GTZFE7BRP3H4FHD3XZCP6YUW77/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GTZFE7BRP3H4FHD3XZCP6YUW77/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":"2026-07-07T07:25:19Z","links":{"resolver":"https://pith.science/pith/GTZFE7BRP3H4FHD3XZCP6YUW77","bundle":"https://pith.science/pith/GTZFE7BRP3H4FHD3XZCP6YUW77/bundle.json","state":"https://pith.science/pith/GTZFE7BRP3H4FHD3XZCP6YUW77/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GTZFE7BRP3H4FHD3XZCP6YUW77/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:GTZFE7BRP3H4FHD3XZCP6YUW77","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":"9f564680ce5175151cdf424a71dc2aff2b88e09e7868007e6b727ca91ad85454","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-10-27T17:05:35Z","title_canon_sha256":"40e5f998575d0c8c8731b7a809898e042898be0e49d95f515e6b444b93f77167"},"schema_version":"1.0","source":{"id":"2310.18276","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.18276","created_at":"2026-07-05T07:09:55Z"},{"alias_kind":"arxiv_version","alias_value":"2310.18276v2","created_at":"2026-07-05T07:09:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.18276","created_at":"2026-07-05T07:09:55Z"},{"alias_kind":"pith_short_12","alias_value":"GTZFE7BRP3H4","created_at":"2026-07-05T07:09:55Z"},{"alias_kind":"pith_short_16","alias_value":"GTZFE7BRP3H4FHD3","created_at":"2026-07-05T07:09:55Z"},{"alias_kind":"pith_short_8","alias_value":"GTZFE7BR","created_at":"2026-07-05T07:09:55Z"}],"graph_snapshots":[{"event_id":"sha256:3e559c009e97d90a7671ed46dd4273053f78fda89b8f0fc50741be9f74ef40ed","target":"graph","created_at":"2026-07-05T07:09:55Z","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/2310.18276/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose an exact analytical decimation transformation scheme to explore the fascinating coexistence of flat bands and Dirac fermions in three-dimensional coupled kagome systems. Our method allows coarse-graining of the parameter space that maps the original system to an equivalent low-level lattice. The decimated system enables defining a quantity in the tight-binding parameter space that predominantly controls the emergence of a flat band (FB) and provides a specific criterion for absolute flatness. Likewise, in terms of atomic separations, we develop a quantity that primarily controls the","authors_text":"Anumita Bose, Arka Bandyopadhyay, Awadhesh Narayan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-10-27T17:05:35Z","title":"Origin of flat bands and non-trivial topology in coupled kagome lattices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.18276","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":"sha256:0cef41c4faa07536179b323b9561b062751c4413cdc3814cec971329905a3a35","target":"record","created_at":"2026-07-05T07:09:55Z","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":"9f564680ce5175151cdf424a71dc2aff2b88e09e7868007e6b727ca91ad85454","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-10-27T17:05:35Z","title_canon_sha256":"40e5f998575d0c8c8731b7a809898e042898be0e49d95f515e6b444b93f77167"},"schema_version":"1.0","source":{"id":"2310.18276","kind":"arxiv","version":2}},"canonical_sha256":"34f2527c317ecfc29c7bbe44ff6296ffd814d7bffb18c3c6f2826fd1282edcc9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34f2527c317ecfc29c7bbe44ff6296ffd814d7bffb18c3c6f2826fd1282edcc9","first_computed_at":"2026-07-05T07:09:55.465942Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:09:55.465942Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1cfIP810KL4YODkOiiZatTxTIY6eJQXRxWwCbHG/xYVDr8UJkR4YE4mRE9D10R/KUjZ0QjQzA3l2qylzPpeBAA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:09:55.466449Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.18276","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0cef41c4faa07536179b323b9561b062751c4413cdc3814cec971329905a3a35","sha256:3e559c009e97d90a7671ed46dd4273053f78fda89b8f0fc50741be9f74ef40ed"],"state_sha256":"7d03c28ce32907f269a43357b5a3b5537f600e987fdc3ba595561fcac4ff4dec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R/ojBesT+E995QAGVE83gblnqtL2jvuYaKOA/olowemQBnSP+aPh2WjTzBzUJe+jWcbVXCdg39lrkh5bfzrDCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T07:25:19.362897Z","bundle_sha256":"f1d7338bac951eb2f99542a5bd29f895b5d0209e76799b0f82d7db2da67f85fb"}}