{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:NT5ZMH2RCRBI2BCESQAP2GPPC2","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":"5bfee201cd5b35a67283267af3dba815346f3e2c9e7b7a69aaa56436160b811d","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-04-14T15:11:30Z","title_canon_sha256":"0ad328eda28499cff35d64b4d4898791a55acf8471fad71f4724510815dd875e"},"schema_version":"1.0","source":{"id":"2604.15365","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.15365","created_at":"2026-05-28T02:04:47Z"},{"alias_kind":"arxiv_version","alias_value":"2604.15365v2","created_at":"2026-05-28T02:04:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.15365","created_at":"2026-05-28T02:04:47Z"},{"alias_kind":"pith_short_12","alias_value":"NT5ZMH2RCRBI","created_at":"2026-05-28T02:04:47Z"},{"alias_kind":"pith_short_16","alias_value":"NT5ZMH2RCRBI2BCE","created_at":"2026-05-28T02:04:47Z"},{"alias_kind":"pith_short_8","alias_value":"NT5ZMH2R","created_at":"2026-05-28T02:04:47Z"}],"graph_snapshots":[{"event_id":"sha256:375cdb6dcb5037d8fecd395d1160f6cb980e826f90b33aeb013d0ec971db8031","target":"graph","created_at":"2026-05-28T02:04:47Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"we report the first quantitative measurements of photon spectra (0.1--100 MeV) and angular distributions in the petawatt interaction regime, using an ultra-intense (>10^{21} W/cm^{2}), ultra-short (24 fs) laser pulse. These results are complemented by the characterization of simultaneously produced MeV neutrons. We demonstrate that these neutrons, once moderated, can enable in-depth material identification via resonance transmission analysis."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"That the laser-target interaction and chosen diagnostics produce accurate, representative spectra and distributions without major systematic errors or background contamination, and that neutron moderation enables reliable resonance transmission analysis for material identification."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"First quantitative characterization of simultaneous petawatt laser-driven MeV X-ray and neutron beams for dual radiography capability."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"A single petawatt laser shot produces simultaneous MeV X-ray and neutron beams with first quantitative spectra in this regime."}],"snapshot_sha256":"4a65ed7cfe2951c18b916c7bafa2ca20a626481e64671bb831df5ae07b107467"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2604.15365/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Laser-driven, high-brilliance secondary sources (electrons, ions, neutrons, X-rays) open new perspectives for compact material probing and imaging of high-speed events. A key advantage is their ability to perform multiplexed probing, as these sources are generated simultaneously in a single shot using a single laser beam. Here, we report the first quantitative measurements of photon spectra (0.1--100 MeV) and angular distributions in the petawatt interaction regime, using an ultra-intense ($>10^{21}\\,\\rm W/cm^2$), ultra-short (24~fs) laser pulse. These results are complemented by the character","authors_text":"A. Ciardi, D. Sangwan, E. d`Humieres, F. Condamine, F. Trompier, G. Auge, G. Fauvel, G. Giubega, G. Verstraeten, I. Cohen, I. Pomerantz, J. Fuchs, L. Gremillet, L.T. Mix, L. Tudor, M. Gugiu, M. Sheats, N. Mirkovic, O. Tesileanu, P. Antici, P.-G. Bleotu, Q. Ducasse, R. Gambicchia, R. Leli`evre, S. N. Chen, S. Turiel, T. Catabi, T. Vinchon, V. Iancu, W. Yao, Y. Ristic","cross_cats":["physics.plasm-ph"],"headline":"A single petawatt laser shot produces simultaneous MeV X-ray and neutron beams with first quantitative spectra in this regime.","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-04-14T15:11:30Z","title":"Simultaneous PW-scale laser driven MeV X-ray and neutron beam characterization for dual radiography capability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2604.15365","kind":"arxiv","version":2},"verdict":{"created_at":"2026-05-10T13:49:14.740778Z","id":"f461f822-b6fb-4fd2-897b-776efacef74f","model_set":{"reader":"grok-4.3"},"one_line_summary":"First quantitative characterization of simultaneous petawatt laser-driven MeV X-ray and neutron beams for dual radiography capability.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"A single petawatt laser shot produces simultaneous MeV X-ray and neutron beams with first quantitative spectra in this regime.","strongest_claim":"we report the first quantitative measurements of photon spectra (0.1--100 MeV) and angular distributions in the petawatt interaction regime, using an ultra-intense (>10^{21} W/cm^{2}), ultra-short (24 fs) laser pulse. These results are complemented by the characterization of simultaneously produced MeV neutrons. We demonstrate that these neutrons, once moderated, can enable in-depth material identification via resonance transmission analysis.","weakest_assumption":"That the laser-target interaction and chosen diagnostics produce accurate, representative spectra and distributions without major systematic errors or background contamination, and that neutron moderation enables reliable resonance transmission analysis for material identification."}},"verdict_id":"f461f822-b6fb-4fd2-897b-776efacef74f"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:2e8491701ec53a252529cb7557a873c2d20709d7d74114c25d89e44fbb5f1fa2","target":"record","created_at":"2026-05-28T02:04:47Z","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":"5bfee201cd5b35a67283267af3dba815346f3e2c9e7b7a69aaa56436160b811d","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-04-14T15:11:30Z","title_canon_sha256":"0ad328eda28499cff35d64b4d4898791a55acf8471fad71f4724510815dd875e"},"schema_version":"1.0","source":{"id":"2604.15365","kind":"arxiv","version":2}},"canonical_sha256":"6cfb961f5114428d04449400fd19ef16a8ddafc71641579050fb9ab49409cb81","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6cfb961f5114428d04449400fd19ef16a8ddafc71641579050fb9ab49409cb81","first_computed_at":"2026-05-28T02:04:47.843509Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-28T02:04:47.843509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7htgwAAez14DIRO368w6+CM+50rABSG1LSM7r11RfDMyDs50hmzKSV+uKMUQ7jo1vOroSmHBmYyM5qQg6rytAg==","signature_status":"signed_v1","signed_at":"2026-05-28T02:04:47.843973Z","signed_message":"canonical_sha256_bytes"},"source_id":"2604.15365","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e8491701ec53a252529cb7557a873c2d20709d7d74114c25d89e44fbb5f1fa2","sha256:375cdb6dcb5037d8fecd395d1160f6cb980e826f90b33aeb013d0ec971db8031"],"state_sha256":"5362aece859de7c614222613e138d74c1409cbb58156653e8d91ade4d3a9a503"}