{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:A3XPVCJXQ6Y2QFSHKIOG5AQT2P","short_pith_number":"pith:A3XPVCJX","canonical_record":{"source":{"id":"2508.10742","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-08-14T15:28:02Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"d264c18ec2cc829154e75aded5cac2fb8c27c12b563bbfcd68b378c08aabb7a5","abstract_canon_sha256":"fe350b02697597d114c93d9cc504239fe6cab6ee23e2ad0fd05756f4aafea5ca"},"schema_version":"1.0"},"canonical_sha256":"06eefa893787b1a81647521c6e8213d3febb503477ad4b11ebef5b8b485d781c","source":{"kind":"arxiv","id":"2508.10742","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.10742","created_at":"2026-05-29T02:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"2508.10742v4","created_at":"2026-05-29T02:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.10742","created_at":"2026-05-29T02:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"A3XPVCJXQ6Y2","created_at":"2026-05-29T02:05:35Z"},{"alias_kind":"pith_short_16","alias_value":"A3XPVCJXQ6Y2QFSH","created_at":"2026-05-29T02:05:35Z"},{"alias_kind":"pith_short_8","alias_value":"A3XPVCJX","created_at":"2026-05-29T02:05:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:A3XPVCJXQ6Y2QFSHKIOG5AQT2P","target":"record","payload":{"canonical_record":{"source":{"id":"2508.10742","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-08-14T15:28:02Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"d264c18ec2cc829154e75aded5cac2fb8c27c12b563bbfcd68b378c08aabb7a5","abstract_canon_sha256":"fe350b02697597d114c93d9cc504239fe6cab6ee23e2ad0fd05756f4aafea5ca"},"schema_version":"1.0"},"canonical_sha256":"06eefa893787b1a81647521c6e8213d3febb503477ad4b11ebef5b8b485d781c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-29T02:05:35.794205Z","signature_b64":"xRVrMPxlFTrcB8CjHnMy0sIiiZ4YNn+A0ERdPx/IVc1t6tVmma9nRrkH3d6v98o8gCqIlejT/CL/Sdfwnz1jBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06eefa893787b1a81647521c6e8213d3febb503477ad4b11ebef5b8b485d781c","last_reissued_at":"2026-05-29T02:05:35.793738Z","signature_status":"signed_v1","first_computed_at":"2026-05-29T02:05:35.793738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.10742","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-29T02:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xPnavqnec9hoid8/4FLFUFPYmVS/8DZFLTTSQ2E4u6L6g2C0FEwJFxZI3Ufg7Ff3JhSmTqWRK+HYm/eWapkeBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:07:13.309009Z"},"content_sha256":"5d3aa4ed04b81a451a864ccb8b20b76d42430dc216dd9985450c7241ef174a76","schema_version":"1.0","event_id":"sha256:5d3aa4ed04b81a451a864ccb8b20b76d42430dc216dd9985450c7241ef174a76"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:A3XPVCJXQ6Y2QFSHKIOG5AQT2P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Complex-frequency superlensing faces intrinsic limitations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.class-ph"],"primary_cat":"physics.optics","authors_text":"Philippe Lalanne, Tong Wu","submitted_at":"2025-08-14T15:28:02Z","abstract_excerpt":"Recent experiments [Guan et al. Science 381, 766 (2023)] have demonstrated that the resolution of superlensing slabs can be significantly enhanced with complex frequency illuminations. In this study, we introduce a novel theoretical framework for analyzing electromagnetic superlensing. The framework offers new and transparent insights. It helps clarify what resolution can be expected with complex frequency, or more generally, pulse illuminations, but it also highlights inherent limitations and tempers high expectations raised by recent electromagnetic experiments in the infrared. [accepted Opt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.10742","kind":"arxiv","version":4},"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/2508.10742/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":"2026-05-29T02:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I3ktrkfXwKn287DqV8aica2Oh+jF74dfylV/EnMqv+MRK9FRkHdkjSCt+Xb/M4J5FrM8IFq7yMEGH8JbCplQBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:07:13.309403Z"},"content_sha256":"ce43c3b5c52c07d02b30d7e88fb33ee712cf6c3da894c8600c2d7dd2f280da00","schema_version":"1.0","event_id":"sha256:ce43c3b5c52c07d02b30d7e88fb33ee712cf6c3da894c8600c2d7dd2f280da00"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A3XPVCJXQ6Y2QFSHKIOG5AQT2P/bundle.json","state_url":"https://pith.science/pith/A3XPVCJXQ6Y2QFSHKIOG5AQT2P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A3XPVCJXQ6Y2QFSHKIOG5AQT2P/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":"2026-06-02T02:07:13Z","links":{"resolver":"https://pith.science/pith/A3XPVCJXQ6Y2QFSHKIOG5AQT2P","bundle":"https://pith.science/pith/A3XPVCJXQ6Y2QFSHKIOG5AQT2P/bundle.json","state":"https://pith.science/pith/A3XPVCJXQ6Y2QFSHKIOG5AQT2P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A3XPVCJXQ6Y2QFSHKIOG5AQT2P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:A3XPVCJXQ6Y2QFSHKIOG5AQT2P","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":"fe350b02697597d114c93d9cc504239fe6cab6ee23e2ad0fd05756f4aafea5ca","cross_cats_sorted":["physics.class-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-08-14T15:28:02Z","title_canon_sha256":"d264c18ec2cc829154e75aded5cac2fb8c27c12b563bbfcd68b378c08aabb7a5"},"schema_version":"1.0","source":{"id":"2508.10742","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.10742","created_at":"2026-05-29T02:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"2508.10742v4","created_at":"2026-05-29T02:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.10742","created_at":"2026-05-29T02:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"A3XPVCJXQ6Y2","created_at":"2026-05-29T02:05:35Z"},{"alias_kind":"pith_short_16","alias_value":"A3XPVCJXQ6Y2QFSH","created_at":"2026-05-29T02:05:35Z"},{"alias_kind":"pith_short_8","alias_value":"A3XPVCJX","created_at":"2026-05-29T02:05:35Z"}],"graph_snapshots":[{"event_id":"sha256:ce43c3b5c52c07d02b30d7e88fb33ee712cf6c3da894c8600c2d7dd2f280da00","target":"graph","created_at":"2026-05-29T02:05:35Z","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/2508.10742/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent experiments [Guan et al. Science 381, 766 (2023)] have demonstrated that the resolution of superlensing slabs can be significantly enhanced with complex frequency illuminations. In this study, we introduce a novel theoretical framework for analyzing electromagnetic superlensing. The framework offers new and transparent insights. It helps clarify what resolution can be expected with complex frequency, or more generally, pulse illuminations, but it also highlights inherent limitations and tempers high expectations raised by recent electromagnetic experiments in the infrared. [accepted Opt","authors_text":"Philippe Lalanne, Tong Wu","cross_cats":["physics.class-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-08-14T15:28:02Z","title":"Complex-frequency superlensing faces intrinsic limitations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.10742","kind":"arxiv","version":4},"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":"sha256:5d3aa4ed04b81a451a864ccb8b20b76d42430dc216dd9985450c7241ef174a76","target":"record","created_at":"2026-05-29T02:05:35Z","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":"fe350b02697597d114c93d9cc504239fe6cab6ee23e2ad0fd05756f4aafea5ca","cross_cats_sorted":["physics.class-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-08-14T15:28:02Z","title_canon_sha256":"d264c18ec2cc829154e75aded5cac2fb8c27c12b563bbfcd68b378c08aabb7a5"},"schema_version":"1.0","source":{"id":"2508.10742","kind":"arxiv","version":4}},"canonical_sha256":"06eefa893787b1a81647521c6e8213d3febb503477ad4b11ebef5b8b485d781c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06eefa893787b1a81647521c6e8213d3febb503477ad4b11ebef5b8b485d781c","first_computed_at":"2026-05-29T02:05:35.793738Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-29T02:05:35.793738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xRVrMPxlFTrcB8CjHnMy0sIiiZ4YNn+A0ERdPx/IVc1t6tVmma9nRrkH3d6v98o8gCqIlejT/CL/Sdfwnz1jBQ==","signature_status":"signed_v1","signed_at":"2026-05-29T02:05:35.794205Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.10742","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d3aa4ed04b81a451a864ccb8b20b76d42430dc216dd9985450c7241ef174a76","sha256:ce43c3b5c52c07d02b30d7e88fb33ee712cf6c3da894c8600c2d7dd2f280da00"],"state_sha256":"ada7b6e8bb3e89cece151a18bdf54bf961cec84bc174ebe4352332a864ba87bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YOpzc8sTb86pBIx4VhhFzCGHtHtd8WlV20ccFCsCL6SxhmdrFscdvX7GeiOHyNcgdRmlKva0bFeCLX9DEduyAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T02:07:13.311429Z","bundle_sha256":"daf56bb1537f0183903b5268f7813abaa1b74a88e7bf338021c26b22925df1e3"}}