{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2XJI3FNQKX4LQ3AYVDIZXEDWUP","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":"74b8514e2cefe1c481a0d22f0cc475c110b01bced6ede75b74fafed4cd0b4b68","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.optics","submitted_at":"2025-02-26T18:46:45Z","title_canon_sha256":"1834303931f4e420dd82d315e9936eebde6b8caf09294610a072b8a8acd6b21c"},"schema_version":"1.0","source":{"id":"2502.19398","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.19398","created_at":"2026-07-05T10:20:31Z"},{"alias_kind":"arxiv_version","alias_value":"2502.19398v1","created_at":"2026-07-05T10:20:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.19398","created_at":"2026-07-05T10:20:31Z"},{"alias_kind":"pith_short_12","alias_value":"2XJI3FNQKX4L","created_at":"2026-07-05T10:20:31Z"},{"alias_kind":"pith_short_16","alias_value":"2XJI3FNQKX4LQ3AY","created_at":"2026-07-05T10:20:31Z"},{"alias_kind":"pith_short_8","alias_value":"2XJI3FNQ","created_at":"2026-07-05T10:20:31Z"}],"graph_snapshots":[{"event_id":"sha256:e0345f199c453be7e7a12ddd08daa89a2a6cbcbc05945953635bd9f0b99a4813","target":"graph","created_at":"2026-07-05T10:20:31Z","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/2502.19398/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a novel topological photonic memory that encodes information through dynamically controllable Chern numbers in a two-band topological photonic system. Utilizing a honeycomb lattice photonic crystal, the memory leverages topologically protected edge states that remain robust against fabrication imperfections and environmental perturbations. By applying a synthetic time-dependent magnetic field, we achieve real-time tunability of the Chern number, enabling rapid and efficient memory switching without the need for light-trapping mechanisms. Our computational study evaluates critical pe","authors_text":"Abolhassan Vaezi, Amirreza Ahmadnejad, Somayyeh Koohi","cross_cats":[],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.optics","submitted_at":"2025-02-26T18:46:45Z","title":"Nontrapping Tunable Topological Photonic Memory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.19398","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":"sha256:37d0fbffe6f637b67d05907dba14be10306997c1faa23f37688188604b06c273","target":"record","created_at":"2026-07-05T10:20:31Z","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":"74b8514e2cefe1c481a0d22f0cc475c110b01bced6ede75b74fafed4cd0b4b68","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"physics.optics","submitted_at":"2025-02-26T18:46:45Z","title_canon_sha256":"1834303931f4e420dd82d315e9936eebde6b8caf09294610a072b8a8acd6b21c"},"schema_version":"1.0","source":{"id":"2502.19398","kind":"arxiv","version":1}},"canonical_sha256":"d5d28d95b055f8b86c18a8d19b9076a3f5aa8161e88d934d5600779d8e4e7bd6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d5d28d95b055f8b86c18a8d19b9076a3f5aa8161e88d934d5600779d8e4e7bd6","first_computed_at":"2026-07-05T10:20:31.590500Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:20:31.590500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y/wb9uxdoPmsM3A7N5jwf0SAhCat2Wvrth9Q4CN+sreGntrwFIKyWFS+smAAjhhd0O0YLB60ElRZrGSuIzVYBw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:20:31.594112Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.19398","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37d0fbffe6f637b67d05907dba14be10306997c1faa23f37688188604b06c273","sha256:e0345f199c453be7e7a12ddd08daa89a2a6cbcbc05945953635bd9f0b99a4813"],"state_sha256":"120bf88a26bc54e8bb747213d504ef495a83c9642b6d562139465e1b8752ac4d"}