{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:R34CEY7H23HLYEMSEQZIBXFEQS","short_pith_number":"pith:R34CEY7H","canonical_record":{"source":{"id":"2608.07305","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-07T15:00:49Z","cross_cats_sorted":[],"title_canon_sha256":"73049fda3c3c255e3290a718aabd8ebaac80431dbf98812ec396bfbacda0476b","abstract_canon_sha256":"75111257f04540d661974943944335dce0f260085d63538a17d1fcbd36513c4c"},"schema_version":"1.0"},"canonical_sha256":"8ef82263e7d6cebc1192243280dca484a261f074661e58ac11b4ad3f11390a06","source":{"kind":"arxiv","id":"2608.07305","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.07305","created_at":"2026-08-10T01:14:55Z"},{"alias_kind":"arxiv_version","alias_value":"2608.07305v1","created_at":"2026-08-10T01:14:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.07305","created_at":"2026-08-10T01:14:55Z"},{"alias_kind":"pith_short_12","alias_value":"R34CEY7H23HL","created_at":"2026-08-10T01:14:55Z"},{"alias_kind":"pith_short_16","alias_value":"R34CEY7H23HLYEMS","created_at":"2026-08-10T01:14:55Z"},{"alias_kind":"pith_short_8","alias_value":"R34CEY7H","created_at":"2026-08-10T01:14:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:R34CEY7H23HLYEMSEQZIBXFEQS","target":"record","payload":{"canonical_record":{"source":{"id":"2608.07305","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-07T15:00:49Z","cross_cats_sorted":[],"title_canon_sha256":"73049fda3c3c255e3290a718aabd8ebaac80431dbf98812ec396bfbacda0476b","abstract_canon_sha256":"75111257f04540d661974943944335dce0f260085d63538a17d1fcbd36513c4c"},"schema_version":"1.0"},"canonical_sha256":"8ef82263e7d6cebc1192243280dca484a261f074661e58ac11b4ad3f11390a06","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-10T01:14:55.820903Z","signature_b64":"USV9IhPFCsOXHe18Ilnbl7tULcrMTiLl86sDm10T8BzAcDrbpLFtl6IP8OoMN58D5XKbiEHFQIR4TYypGfPGAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8ef82263e7d6cebc1192243280dca484a261f074661e58ac11b4ad3f11390a06","last_reissued_at":"2026-08-10T01:14:55.817891Z","signature_status":"signed_v1","first_computed_at":"2026-08-10T01:14:55.817891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.07305","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":"2026-08-10T01:14:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yRHKJ2P7Mp8LRTM5SShXOuBN7xgNc7HVVnYWJKCZySPUhCGVwaY4tsxPHB6OWOzTay3bQl8Kauilk6z2s1/lCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T23:46:58.369553Z"},"content_sha256":"b903fbf8494b8ab23bfb90a5fb608e389503dbe3b932960b0568cfd5f9d48f77","schema_version":"1.0","event_id":"sha256:b903fbf8494b8ab23bfb90a5fb608e389503dbe3b932960b0568cfd5f9d48f77"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:R34CEY7H23HLYEMSEQZIBXFEQS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fractional Spin Ferroelectric and Sliding Spin Current in Magnetic Sliding Ferroelectrics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chaoxi Cui, Lei Li, Run-Wu Zhang, Yilin Han, Yugui Yao, Zhi-Ming Yu","submitted_at":"2026-08-07T15:00:49Z","abstract_excerpt":"We investigate the fractional spin ferroelectric (FSFE) in magnetic sliding ferroelectrics (SFEs), where ferroelectric switching is characterized not only by the reversal of the out-of-plane electric polarization but also by a variation of fractional in-plane spin electronic polarization. We show that interlayer sliding in FSFEs can naturally lead to a symmetry-protected pure spin current, termed the sliding spin current here. The underlying mechanism is that, during switching, the contributions of valence electrons and ions to the in-plane charge transfer cancel each other, whereas the in-pla"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.07305","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/2608.07305/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":"2026-08-10T01:14:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z8TNSykxWDmMHAchtz/gYhnM/7kKJEJ2Y4IDudos0C/hrlftT5eo/f3HtwUb2ZitbLDe/fZi3fU5ISCnOjH4Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T23:46:58.370502Z"},"content_sha256":"f7ec69693c4b3460a9fa0d6f1331769d89131f07fb1a6103fac0407f58be8d00","schema_version":"1.0","event_id":"sha256:f7ec69693c4b3460a9fa0d6f1331769d89131f07fb1a6103fac0407f58be8d00"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R34CEY7H23HLYEMSEQZIBXFEQS/bundle.json","state_url":"https://pith.science/pith/R34CEY7H23HLYEMSEQZIBXFEQS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R34CEY7H23HLYEMSEQZIBXFEQS/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":"2026-08-12T23:46:58Z","links":{"resolver":"https://pith.science/pith/R34CEY7H23HLYEMSEQZIBXFEQS","bundle":"https://pith.science/pith/R34CEY7H23HLYEMSEQZIBXFEQS/bundle.json","state":"https://pith.science/pith/R34CEY7H23HLYEMSEQZIBXFEQS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R34CEY7H23HLYEMSEQZIBXFEQS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:R34CEY7H23HLYEMSEQZIBXFEQS","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":"75111257f04540d661974943944335dce0f260085d63538a17d1fcbd36513c4c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-07T15:00:49Z","title_canon_sha256":"73049fda3c3c255e3290a718aabd8ebaac80431dbf98812ec396bfbacda0476b"},"schema_version":"1.0","source":{"id":"2608.07305","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.07305","created_at":"2026-08-10T01:14:55Z"},{"alias_kind":"arxiv_version","alias_value":"2608.07305v1","created_at":"2026-08-10T01:14:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.07305","created_at":"2026-08-10T01:14:55Z"},{"alias_kind":"pith_short_12","alias_value":"R34CEY7H23HL","created_at":"2026-08-10T01:14:55Z"},{"alias_kind":"pith_short_16","alias_value":"R34CEY7H23HLYEMS","created_at":"2026-08-10T01:14:55Z"},{"alias_kind":"pith_short_8","alias_value":"R34CEY7H","created_at":"2026-08-10T01:14:55Z"}],"graph_snapshots":[{"event_id":"sha256:f7ec69693c4b3460a9fa0d6f1331769d89131f07fb1a6103fac0407f58be8d00","target":"graph","created_at":"2026-08-10T01:14:55Z","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/2608.07305/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the fractional spin ferroelectric (FSFE) in magnetic sliding ferroelectrics (SFEs), where ferroelectric switching is characterized not only by the reversal of the out-of-plane electric polarization but also by a variation of fractional in-plane spin electronic polarization. We show that interlayer sliding in FSFEs can naturally lead to a symmetry-protected pure spin current, termed the sliding spin current here. The underlying mechanism is that, during switching, the contributions of valence electrons and ions to the in-plane charge transfer cancel each other, whereas the in-pla","authors_text":"Chaoxi Cui, Lei Li, Run-Wu Zhang, Yilin Han, Yugui Yao, Zhi-Ming Yu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-07T15:00:49Z","title":"Fractional Spin Ferroelectric and Sliding Spin Current in Magnetic Sliding Ferroelectrics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.07305","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:b903fbf8494b8ab23bfb90a5fb608e389503dbe3b932960b0568cfd5f9d48f77","target":"record","created_at":"2026-08-10T01:14:55Z","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":"75111257f04540d661974943944335dce0f260085d63538a17d1fcbd36513c4c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-07T15:00:49Z","title_canon_sha256":"73049fda3c3c255e3290a718aabd8ebaac80431dbf98812ec396bfbacda0476b"},"schema_version":"1.0","source":{"id":"2608.07305","kind":"arxiv","version":1}},"canonical_sha256":"8ef82263e7d6cebc1192243280dca484a261f074661e58ac11b4ad3f11390a06","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ef82263e7d6cebc1192243280dca484a261f074661e58ac11b4ad3f11390a06","first_computed_at":"2026-08-10T01:14:55.817891Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-10T01:14:55.817891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"USV9IhPFCsOXHe18Ilnbl7tULcrMTiLl86sDm10T8BzAcDrbpLFtl6IP8OoMN58D5XKbiEHFQIR4TYypGfPGAg==","signature_status":"signed_v1","signed_at":"2026-08-10T01:14:55.820903Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.07305","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b903fbf8494b8ab23bfb90a5fb608e389503dbe3b932960b0568cfd5f9d48f77","sha256:f7ec69693c4b3460a9fa0d6f1331769d89131f07fb1a6103fac0407f58be8d00"],"state_sha256":"dadb7ce65822df9218dd27fb0dd342d1ddb322e3a91eebe81857faf6f6e0637d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X6bFkS1l3ADqMwVhEnjdfg7mGHl7sxtW6xbiyk5Sy9kWA5P7uEP0NV9DROyyIxYLnsCsP8FYFosFK6ouTf2NDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T23:46:58.379370Z","bundle_sha256":"bce0ae551dc867c833d24576c8397775e0b69b110e2b8f0796ae072b66e572eb"}}