{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:F7JWNKINTCGMY5XFKBPMUTQ2XT","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":"08d5b61f273b4a46b4c93a8f699e14552310b099100b8b295922cfaa35c3e894","cross_cats_sorted":["physics.acc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-12-10T14:47:20Z","title_canon_sha256":"7f0b5f297fa9d9da24470ce732f04bbbf817feffcbed3928af1703ffb4b6a46b"},"schema_version":"1.0","source":{"id":"2012.05713","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.05713","created_at":"2026-07-05T02:07:05Z"},{"alias_kind":"arxiv_version","alias_value":"2012.05713v3","created_at":"2026-07-05T02:07:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.05713","created_at":"2026-07-05T02:07:05Z"},{"alias_kind":"pith_short_12","alias_value":"F7JWNKINTCGM","created_at":"2026-07-05T02:07:05Z"},{"alias_kind":"pith_short_16","alias_value":"F7JWNKINTCGMY5XF","created_at":"2026-07-05T02:07:05Z"},{"alias_kind":"pith_short_8","alias_value":"F7JWNKIN","created_at":"2026-07-05T02:07:05Z"}],"graph_snapshots":[{"event_id":"sha256:4d3a5e392e02bb5b04d57731fb03dcf9e68fa064e18ec5f94adcc0e35421f9d5","target":"graph","created_at":"2026-07-05T02:07:05Z","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/2012.05713/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We measured the parameter reproducibility and radial electron density profile of capillary discharge waveguides with diameters of 650 um to 2 mm and lengths of 9 to 40 cm. To our knowledge, 40 cm is the longest discharge capillary plasma waveguide to date. This length is important for >= 10 GeV electron energy gain in a single laser driven plasma wakefield acceleration (LPA) stage. Evaluation of waveguide parameter variations showed that their focusing strength was stable and reproducible to <0.2% and their average on-axis plasma electron density to <1%. These variations explain only a small f","authors_text":"A. J. Gonsalves, C. Benedetti, C. B. Schroeder, C. G. Geddes, E. Esarey, G. Korn, J. van Tilborg, K. Nakamura, M. Turner, N. A. Bobrova, P. V. Sasorov, S. S. Bulvanov, V. A. Gasilov","cross_cats":["physics.acc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-12-10T14:47:20Z","title":"Radial Density Profile and Stability of Capillary Discharge Plasma Waveguides of Lengths up to 40 Centimeters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.05713","kind":"arxiv","version":3},"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:ce6908b87b5597f44db220cf58c9891e44feadb76f423868955e3279aa0972cb","target":"record","created_at":"2026-07-05T02:07:05Z","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":"08d5b61f273b4a46b4c93a8f699e14552310b099100b8b295922cfaa35c3e894","cross_cats_sorted":["physics.acc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2020-12-10T14:47:20Z","title_canon_sha256":"7f0b5f297fa9d9da24470ce732f04bbbf817feffcbed3928af1703ffb4b6a46b"},"schema_version":"1.0","source":{"id":"2012.05713","kind":"arxiv","version":3}},"canonical_sha256":"2fd366a90d988ccc76e5505eca4e1abcdb3eb91200f616f470e925915c370c24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2fd366a90d988ccc76e5505eca4e1abcdb3eb91200f616f470e925915c370c24","first_computed_at":"2026-07-05T02:07:05.847487Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:07:05.847487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WQ3xLbG6jQImIA/rqEUxNllkEmL7CEDoDVNypHrjrPGjs7+3wacjC5WO1yDJAEqQp0U+bb2d/nc8g8+gqkjpBA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:07:05.847876Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.05713","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ce6908b87b5597f44db220cf58c9891e44feadb76f423868955e3279aa0972cb","sha256:4d3a5e392e02bb5b04d57731fb03dcf9e68fa064e18ec5f94adcc0e35421f9d5"],"state_sha256":"01c9739467ac59ea28199d3bb55297d18ea4612dc29e7ef4a35ae85b39edc656"}