{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:BELOWY3UTEFZ6DMYHS66DKZJYW","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":"3af8ebdd99a7c1e55aeddd3b8c7ed3066c7bb64f2b71e6fa72e2201e8df7876b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.atm-clus","submitted_at":"2025-02-03T10:10:13Z","title_canon_sha256":"abfe8ea4227ede012b8c4097927e33ec4666b0f20ff1ad157deadbb92d82271e"},"schema_version":"1.0","source":{"id":"2502.12034","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.12034","created_at":"2026-07-05T10:15:37Z"},{"alias_kind":"arxiv_version","alias_value":"2502.12034v1","created_at":"2026-07-05T10:15:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.12034","created_at":"2026-07-05T10:15:37Z"},{"alias_kind":"pith_short_12","alias_value":"BELOWY3UTEFZ","created_at":"2026-07-05T10:15:37Z"},{"alias_kind":"pith_short_16","alias_value":"BELOWY3UTEFZ6DMY","created_at":"2026-07-05T10:15:37Z"},{"alias_kind":"pith_short_8","alias_value":"BELOWY3U","created_at":"2026-07-05T10:15:37Z"}],"graph_snapshots":[{"event_id":"sha256:746069f1386cfefeee1e6964482089662cf5fe0bd7da0454d29a49a60b5f0420","target":"graph","created_at":"2026-07-05T10:15:37Z","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/2502.12034/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We measured the spectral distribution of the absolute differential cross section of both ordinary and polarization ultra-soft X-ray bremsstrahlung for 0.7 keV electrons scattered on substrate-free nanoclusters of xenon. Clusters were produced in a supersonic gas jet expanding adiabatically into a vacuum. An original method based on absolute measurements of the intensity of the atom and cluster emission in the vacuum ultraviolet and ultra-soft X-ray spectral regions was used to determine the cluster density in the scattering area. The bremsstrahlung arising from scattering of electrons on clust","authors_text":"A.A. Tkachenko, G.V. Kamarchuk, V.L. Vakula, Yu.S. Doronin","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.atm-clus","submitted_at":"2025-02-03T10:10:13Z","title":"Size effect on polarization bremsstrahlung emission from xenon clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.12034","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":"sha256:3b190a83a81f30b2573f49745d7497cede3c41565d5bc7f2e2fecdc226132f14","target":"record","created_at":"2026-07-05T10:15:37Z","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":"3af8ebdd99a7c1e55aeddd3b8c7ed3066c7bb64f2b71e6fa72e2201e8df7876b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.atm-clus","submitted_at":"2025-02-03T10:10:13Z","title_canon_sha256":"abfe8ea4227ede012b8c4097927e33ec4666b0f20ff1ad157deadbb92d82271e"},"schema_version":"1.0","source":{"id":"2502.12034","kind":"arxiv","version":1}},"canonical_sha256":"0916eb6374990b9f0d983cbde1ab29c5bc3ec84f94f8fbd87ff1d5c1e8b40866","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0916eb6374990b9f0d983cbde1ab29c5bc3ec84f94f8fbd87ff1d5c1e8b40866","first_computed_at":"2026-07-05T10:15:37.680509Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:15:37.680509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+A0kJRcAIl6FfKYIiIXLx3nniQ3JIzgRHsRLFvpNG0nnQxJp1hgB+tMLkpEx/JVG5iR+if1XH3USN0MfricsAg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:15:37.681008Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.12034","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b190a83a81f30b2573f49745d7497cede3c41565d5bc7f2e2fecdc226132f14","sha256:746069f1386cfefeee1e6964482089662cf5fe0bd7da0454d29a49a60b5f0420"],"state_sha256":"9ba68596fbf4f82cb61daf96d3d994f6ec1df2c2d180b8f1578fc8d199bfedbb"}