{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:3RAU4JSVWIDXXMUT3ZUCKRQQIN","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":"86c261c33a54688ea70dba4e4accc638313ed7f5e1e5fa9161c881daae48f0d5","cross_cats_sorted":["physics.atm-clus","physics.optics"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2024-12-13T23:38:35Z","title_canon_sha256":"c836ccfdcb43d3828e4d33542655fa61cabaae0bdcd281fb15b735e19f94d392"},"schema_version":"1.0","source":{"id":"2412.10613","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.10613","created_at":"2026-07-05T09:49:18Z"},{"alias_kind":"arxiv_version","alias_value":"2412.10613v1","created_at":"2026-07-05T09:49:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.10613","created_at":"2026-07-05T09:49:18Z"},{"alias_kind":"pith_short_12","alias_value":"3RAU4JSVWIDX","created_at":"2026-07-05T09:49:18Z"},{"alias_kind":"pith_short_16","alias_value":"3RAU4JSVWIDXXMUT","created_at":"2026-07-05T09:49:18Z"},{"alias_kind":"pith_short_8","alias_value":"3RAU4JSV","created_at":"2026-07-05T09:49:18Z"}],"graph_snapshots":[{"event_id":"sha256:c057de5ba181fa5f2b287e52a6d417fcd9b13ed319c965fc96a066de4874c255","target":"graph","created_at":"2026-07-05T09:49:18Z","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/2412.10613/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"X-ray free-electron lasers (XFELs) are renowned for their high brightness, significantly impacting biology, chemistry, and nonlinear X-ray optics. However, current XFELs are large, expensive, and exhibit significant shot-to-shot instability. Here, we propose a novel compact apparatus for generating X-ray lasers. The setup integrates an ion source to produce highly charged ions as the gain medium. The X-ray optical cavity employs crystal Bragg diffraction for high reflectivity at large angles, and two parabolic compound refractive lenses (CRLs) focus the X-rays. Pumping is achieved through elec","authors_text":"Shuang Li","cross_cats":["physics.atm-clus","physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2024-12-13T23:38:35Z","title":"A Compact X-Ray Laser with Ion Source and Crystal Cavity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.10613","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":"sha256:81fd75cf48477015fb5311e39563ac38f139bf811357273aec3bf5f3aaa98685","target":"record","created_at":"2026-07-05T09:49:18Z","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":"86c261c33a54688ea70dba4e4accc638313ed7f5e1e5fa9161c881daae48f0d5","cross_cats_sorted":["physics.atm-clus","physics.optics"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2024-12-13T23:38:35Z","title_canon_sha256":"c836ccfdcb43d3828e4d33542655fa61cabaae0bdcd281fb15b735e19f94d392"},"schema_version":"1.0","source":{"id":"2412.10613","kind":"arxiv","version":1}},"canonical_sha256":"dc414e2655b2077bb293de68254610435af8fe9fd80406d3f1c2a016f3b8461a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc414e2655b2077bb293de68254610435af8fe9fd80406d3f1c2a016f3b8461a","first_computed_at":"2026-07-05T09:49:18.339493Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:49:18.339493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s3e6HmCKJanefJf3SFQrWZf5pw1z3d3kQbeuyLtzdG/g0UeD0dk3VPHd3ujbE4SXXvlZ6bBstcehuG4INKr/Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:49:18.339947Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.10613","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81fd75cf48477015fb5311e39563ac38f139bf811357273aec3bf5f3aaa98685","sha256:c057de5ba181fa5f2b287e52a6d417fcd9b13ed319c965fc96a066de4874c255"],"state_sha256":"24e1a87827b0e0fa51410b7cae63f0c9a21fca117cd93aa483ef1f4e408298a1"}