{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:HH7YONUWD53VBIFFOPUEY3AAMV","short_pith_number":"pith:HH7YONUW","canonical_record":{"source":{"id":"2608.09932","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-08-10T17:59:59Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"title_canon_sha256":"b1c90b592c6038a112100f94149d60f9522099c32e1e40df99e3b75a99d8a7f5","abstract_canon_sha256":"e9e8fcd46154f172b89b31411a57f91737a0329189e62276b826c021d179002d"},"schema_version":"1.0"},"canonical_sha256":"39ff8736961f7750a0a573e84c6c00656d38ac36663959c5aa01c730bbc1b4e9","source":{"kind":"arxiv","id":"2608.09932","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.09932","created_at":"2026-08-11T02:25:29Z"},{"alias_kind":"arxiv_version","alias_value":"2608.09932v1","created_at":"2026-08-11T02:25:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.09932","created_at":"2026-08-11T02:25:29Z"},{"alias_kind":"pith_short_12","alias_value":"HH7YONUWD53V","created_at":"2026-08-11T02:25:29Z"},{"alias_kind":"pith_short_16","alias_value":"HH7YONUWD53VBIFF","created_at":"2026-08-11T02:25:29Z"},{"alias_kind":"pith_short_8","alias_value":"HH7YONUW","created_at":"2026-08-11T02:25:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:HH7YONUWD53VBIFFOPUEY3AAMV","target":"record","payload":{"canonical_record":{"source":{"id":"2608.09932","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-08-10T17:59:59Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"title_canon_sha256":"b1c90b592c6038a112100f94149d60f9522099c32e1e40df99e3b75a99d8a7f5","abstract_canon_sha256":"e9e8fcd46154f172b89b31411a57f91737a0329189e62276b826c021d179002d"},"schema_version":"1.0"},"canonical_sha256":"39ff8736961f7750a0a573e84c6c00656d38ac36663959c5aa01c730bbc1b4e9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-11T02:25:29.415657Z","signature_b64":"9K1B2dQcz+8ziwqNd3X8ZUi8BWnTSb7fps8QOPn79xFHvON9Gck+tm0GJflDx4QTmA2hI0MIyg1i4Z6Y9SW4Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39ff8736961f7750a0a573e84c6c00656d38ac36663959c5aa01c730bbc1b4e9","last_reissued_at":"2026-08-11T02:25:29.413730Z","signature_status":"signed_v1","first_computed_at":"2026-08-11T02:25:29.413730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.09932","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":"2026-08-11T02:25:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fBK8sgNnOUT0iM6JU0ImyVxjJFzSMieHJog/SRUXrfady1Djhs0cb0IOEKrgQAjT++Al2zZ207CBuKpYuvBnBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T03:15:12.721856Z"},"content_sha256":"c2ca61ac6a87d02994a9564ff9fc24e04808aa479ed8f9e2aaa69a3aca46eb40","schema_version":"1.0","event_id":"sha256:c2ca61ac6a87d02994a9564ff9fc24e04808aa479ed8f9e2aaa69a3aca46eb40"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:HH7YONUWD53VBIFFOPUEY3AAMV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cell Natural Orbitals in Interacting Topological Bands","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Daniel Mu\\~noz-Segovia, Harshitra Mahalingam, Nishchhal Verma, Raquel Queiroz","submitted_at":"2026-08-10T17:59:59Z","abstract_excerpt":"Topological bands exhibit obstruction to exponentially localized and symmetric Wannier functions, challenging the standard paradigm of representing projected interactions in terms of local orbitals with finite range. To faithfully capture the form factors and quantum geometry of topological bands we introduce a singular-value decomposition of the band-projected density form factors, enabling a geometry-based truncation scheme of the Hilbert space, exposing an intrinsic hierarchy on band-projected interactions that is determined by the underlying wavefunctions. This decomposition is most natura"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.09932","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/2608.09932/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":"2026-08-11T02:25:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vgbHzBhE5nGz+QP2p6kxkUdszlM1Z1YYi7G4/TMDbBHGgx+IOo5nNLp2ydOzoiwn3znpuYr5GAedDi35iJ83BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T03:15:12.722399Z"},"content_sha256":"a84e0839514cd71dcf34b179b9e1a98172b6759badec91a6e7c84e05cd771188","schema_version":"1.0","event_id":"sha256:a84e0839514cd71dcf34b179b9e1a98172b6759badec91a6e7c84e05cd771188"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HH7YONUWD53VBIFFOPUEY3AAMV/bundle.json","state_url":"https://pith.science/pith/HH7YONUWD53VBIFFOPUEY3AAMV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HH7YONUWD53VBIFFOPUEY3AAMV/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":"2026-08-13T03:15:12Z","links":{"resolver":"https://pith.science/pith/HH7YONUWD53VBIFFOPUEY3AAMV","bundle":"https://pith.science/pith/HH7YONUWD53VBIFFOPUEY3AAMV/bundle.json","state":"https://pith.science/pith/HH7YONUWD53VBIFFOPUEY3AAMV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HH7YONUWD53VBIFFOPUEY3AAMV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:HH7YONUWD53VBIFFOPUEY3AAMV","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":"e9e8fcd46154f172b89b31411a57f91737a0329189e62276b826c021d179002d","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-08-10T17:59:59Z","title_canon_sha256":"b1c90b592c6038a112100f94149d60f9522099c32e1e40df99e3b75a99d8a7f5"},"schema_version":"1.0","source":{"id":"2608.09932","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.09932","created_at":"2026-08-11T02:25:29Z"},{"alias_kind":"arxiv_version","alias_value":"2608.09932v1","created_at":"2026-08-11T02:25:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.09932","created_at":"2026-08-11T02:25:29Z"},{"alias_kind":"pith_short_12","alias_value":"HH7YONUWD53V","created_at":"2026-08-11T02:25:29Z"},{"alias_kind":"pith_short_16","alias_value":"HH7YONUWD53VBIFF","created_at":"2026-08-11T02:25:29Z"},{"alias_kind":"pith_short_8","alias_value":"HH7YONUW","created_at":"2026-08-11T02:25:29Z"}],"graph_snapshots":[{"event_id":"sha256:a84e0839514cd71dcf34b179b9e1a98172b6759badec91a6e7c84e05cd771188","target":"graph","created_at":"2026-08-11T02:25:29Z","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/2608.09932/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Topological bands exhibit obstruction to exponentially localized and symmetric Wannier functions, challenging the standard paradigm of representing projected interactions in terms of local orbitals with finite range. To faithfully capture the form factors and quantum geometry of topological bands we introduce a singular-value decomposition of the band-projected density form factors, enabling a geometry-based truncation scheme of the Hilbert space, exposing an intrinsic hierarchy on band-projected interactions that is determined by the underlying wavefunctions. This decomposition is most natura","authors_text":"Daniel Mu\\~noz-Segovia, Harshitra Mahalingam, Nishchhal Verma, Raquel Queiroz","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-08-10T17:59:59Z","title":"Cell Natural Orbitals in Interacting Topological Bands"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.09932","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:c2ca61ac6a87d02994a9564ff9fc24e04808aa479ed8f9e2aaa69a3aca46eb40","target":"record","created_at":"2026-08-11T02:25:29Z","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":"e9e8fcd46154f172b89b31411a57f91737a0329189e62276b826c021d179002d","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-08-10T17:59:59Z","title_canon_sha256":"b1c90b592c6038a112100f94149d60f9522099c32e1e40df99e3b75a99d8a7f5"},"schema_version":"1.0","source":{"id":"2608.09932","kind":"arxiv","version":1}},"canonical_sha256":"39ff8736961f7750a0a573e84c6c00656d38ac36663959c5aa01c730bbc1b4e9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39ff8736961f7750a0a573e84c6c00656d38ac36663959c5aa01c730bbc1b4e9","first_computed_at":"2026-08-11T02:25:29.413730Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-11T02:25:29.413730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9K1B2dQcz+8ziwqNd3X8ZUi8BWnTSb7fps8QOPn79xFHvON9Gck+tm0GJflDx4QTmA2hI0MIyg1i4Z6Y9SW4Aw==","signature_status":"signed_v1","signed_at":"2026-08-11T02:25:29.415657Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.09932","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c2ca61ac6a87d02994a9564ff9fc24e04808aa479ed8f9e2aaa69a3aca46eb40","sha256:a84e0839514cd71dcf34b179b9e1a98172b6759badec91a6e7c84e05cd771188"],"state_sha256":"f8f1a0744d4890000b4ef02f117e88bfcc2a6abf9af73986b31681743ae2a4a9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qFWEB2q4zwBoZelv6u9ZRQUF0If0CY346sWPmKIVtrHTnMc6KXvJLkT0Mdc5uHrOF5ZuCfKxPE0noyM79uXhCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T03:15:12.727627Z","bundle_sha256":"a744952c17aeb1d5a1c50c4f9cc13b9597cd38c3669e53c9c745c59c4b0f00c2"}}