{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2VWGI4QFY2NUKAJ374VU4G6EEV","short_pith_number":"pith:2VWGI4QF","canonical_record":{"source":{"id":"2502.04866","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-02-07T12:13:28Z","cross_cats_sorted":[],"title_canon_sha256":"b8bd56fb1754a08b17c4ff8b219b9dfc71a1574c347bc7852cee3aa8230863ae","abstract_canon_sha256":"781202eeece61d705fe1d2c185b3b8b866aecfda8aa1ec48da5c9013462b782f"},"schema_version":"1.0"},"canonical_sha256":"d56c647205c69b45013bff2b4e1bc4254720dd64909ad1d571d7f53a055c3d2e","source":{"kind":"arxiv","id":"2502.04866","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.04866","created_at":"2026-07-05T10:10:58Z"},{"alias_kind":"arxiv_version","alias_value":"2502.04866v1","created_at":"2026-07-05T10:10:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.04866","created_at":"2026-07-05T10:10:58Z"},{"alias_kind":"pith_short_12","alias_value":"2VWGI4QFY2NU","created_at":"2026-07-05T10:10:58Z"},{"alias_kind":"pith_short_16","alias_value":"2VWGI4QFY2NUKAJ3","created_at":"2026-07-05T10:10:58Z"},{"alias_kind":"pith_short_8","alias_value":"2VWGI4QF","created_at":"2026-07-05T10:10:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2VWGI4QFY2NUKAJ374VU4G6EEV","target":"record","payload":{"canonical_record":{"source":{"id":"2502.04866","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-02-07T12:13:28Z","cross_cats_sorted":[],"title_canon_sha256":"b8bd56fb1754a08b17c4ff8b219b9dfc71a1574c347bc7852cee3aa8230863ae","abstract_canon_sha256":"781202eeece61d705fe1d2c185b3b8b866aecfda8aa1ec48da5c9013462b782f"},"schema_version":"1.0"},"canonical_sha256":"d56c647205c69b45013bff2b4e1bc4254720dd64909ad1d571d7f53a055c3d2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:10:58.744370Z","signature_b64":"iaRKctTHxqYhHLDLdBt2J6sy8sJsA4lO5quKk1yq8zlI+HPzqOToMMNO9olF7ZXbmUAH+LDE86sL+I6rZAbcBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d56c647205c69b45013bff2b4e1bc4254720dd64909ad1d571d7f53a055c3d2e","last_reissued_at":"2026-07-05T10:10:58.743711Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:10:58.743711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.04866","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":"2026-07-05T10:10:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jesnWyRnTNA60eDgzBP9/cmfgVbtoG+dCNBBTO6yAch2Gbc4Hx5iJH9VROzh2Mx2HRce0XngJnWHkdrBhudLAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T18:37:15.201493Z"},"content_sha256":"532b4023d7bbb71bf07a5df33f3e6e77320e3b0b180dc005a4672ecb15016f39","schema_version":"1.0","event_id":"sha256:532b4023d7bbb71bf07a5df33f3e6e77320e3b0b180dc005a4672ecb15016f39"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2VWGI4QFY2NUKAJ374VU4G6EEV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Crossover from Wannier-Stark localization to charge density waves for interacting spinless fermions in one dimension","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Amnon Aharony, Cesar Proetto, Karen Hallberg, Nair Aucar Boidi, Ora Entin-Wohlman","submitted_at":"2025-02-07T12:13:28Z","abstract_excerpt":"We study spinless fermions on a finite chain with nearest-neighbor repulsion and in the presence of a Wannier-Stark linearly-varying electric field potential. In the absence of the interaction, the eigenstates are localized for the system's sizes larger than the localization length. We present several analytical expressions for the localization length, which is proportional to the inverse of the electric field. Using the density matrix renormalization group numerical technique, we observe that the ground state exhibits a decrease of the occupation on the chain sites from the `bulk', with occup"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.04866","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/2502.04866/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":"2026-07-05T10:10:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mJReLSRRMSIgtknHmmrKbPS8DuS5AMtggHyTEvqRhcsvgaZOBhdrESrVvxsYNujlKq2Lm/jngN/1Z0L3yn08AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T18:37:15.202081Z"},"content_sha256":"b3760c179adf98557bd0f4382795da52a31557b62721fe85f78b6277c96d0441","schema_version":"1.0","event_id":"sha256:b3760c179adf98557bd0f4382795da52a31557b62721fe85f78b6277c96d0441"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2VWGI4QFY2NUKAJ374VU4G6EEV/bundle.json","state_url":"https://pith.science/pith/2VWGI4QFY2NUKAJ374VU4G6EEV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2VWGI4QFY2NUKAJ374VU4G6EEV/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":"2026-08-23T18:37:15Z","links":{"resolver":"https://pith.science/pith/2VWGI4QFY2NUKAJ374VU4G6EEV","bundle":"https://pith.science/pith/2VWGI4QFY2NUKAJ374VU4G6EEV/bundle.json","state":"https://pith.science/pith/2VWGI4QFY2NUKAJ374VU4G6EEV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2VWGI4QFY2NUKAJ374VU4G6EEV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2VWGI4QFY2NUKAJ374VU4G6EEV","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":"781202eeece61d705fe1d2c185b3b8b866aecfda8aa1ec48da5c9013462b782f","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-02-07T12:13:28Z","title_canon_sha256":"b8bd56fb1754a08b17c4ff8b219b9dfc71a1574c347bc7852cee3aa8230863ae"},"schema_version":"1.0","source":{"id":"2502.04866","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.04866","created_at":"2026-07-05T10:10:58Z"},{"alias_kind":"arxiv_version","alias_value":"2502.04866v1","created_at":"2026-07-05T10:10:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.04866","created_at":"2026-07-05T10:10:58Z"},{"alias_kind":"pith_short_12","alias_value":"2VWGI4QFY2NU","created_at":"2026-07-05T10:10:58Z"},{"alias_kind":"pith_short_16","alias_value":"2VWGI4QFY2NUKAJ3","created_at":"2026-07-05T10:10:58Z"},{"alias_kind":"pith_short_8","alias_value":"2VWGI4QF","created_at":"2026-07-05T10:10:58Z"}],"graph_snapshots":[{"event_id":"sha256:b3760c179adf98557bd0f4382795da52a31557b62721fe85f78b6277c96d0441","target":"graph","created_at":"2026-07-05T10:10:58Z","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/2502.04866/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study spinless fermions on a finite chain with nearest-neighbor repulsion and in the presence of a Wannier-Stark linearly-varying electric field potential. In the absence of the interaction, the eigenstates are localized for the system's sizes larger than the localization length. We present several analytical expressions for the localization length, which is proportional to the inverse of the electric field. Using the density matrix renormalization group numerical technique, we observe that the ground state exhibits a decrease of the occupation on the chain sites from the `bulk', with occup","authors_text":"Amnon Aharony, Cesar Proetto, Karen Hallberg, Nair Aucar Boidi, Ora Entin-Wohlman","cross_cats":[],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-02-07T12:13:28Z","title":"Crossover from Wannier-Stark localization to charge density waves for interacting spinless fermions in one dimension"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.04866","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":"sha256:532b4023d7bbb71bf07a5df33f3e6e77320e3b0b180dc005a4672ecb15016f39","target":"record","created_at":"2026-07-05T10:10:58Z","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":"781202eeece61d705fe1d2c185b3b8b866aecfda8aa1ec48da5c9013462b782f","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2025-02-07T12:13:28Z","title_canon_sha256":"b8bd56fb1754a08b17c4ff8b219b9dfc71a1574c347bc7852cee3aa8230863ae"},"schema_version":"1.0","source":{"id":"2502.04866","kind":"arxiv","version":1}},"canonical_sha256":"d56c647205c69b45013bff2b4e1bc4254720dd64909ad1d571d7f53a055c3d2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d56c647205c69b45013bff2b4e1bc4254720dd64909ad1d571d7f53a055c3d2e","first_computed_at":"2026-07-05T10:10:58.743711Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:10:58.743711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iaRKctTHxqYhHLDLdBt2J6sy8sJsA4lO5quKk1yq8zlI+HPzqOToMMNO9olF7ZXbmUAH+LDE86sL+I6rZAbcBA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:10:58.744370Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.04866","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:532b4023d7bbb71bf07a5df33f3e6e77320e3b0b180dc005a4672ecb15016f39","sha256:b3760c179adf98557bd0f4382795da52a31557b62721fe85f78b6277c96d0441"],"state_sha256":"6684decf11fd5be3b33ad9197085472e6511bdbb71f6f28492db340fe4b84f22"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r3/IOrkhW9gml2gE2o1bp1fTKT5t13QnOcq/J078quiCAkZ5V0M13CNciP1/1uovjVKEGDr01dl93K4Yj7yaCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T18:37:15.206048Z","bundle_sha256":"d0bd27831ab4e864d33f1fdc103d71e158130f0c4979d8dd68f7ee7a66aa39d8"}}