{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:HKI5XMCZLOHYZAAYRCPWBLEYNK","short_pith_number":"pith:HKI5XMCZ","schema_version":"1.0","canonical_sha256":"3a91dbb0595b8f8c8018889f60ac986abd5729a086c05926d2c9e9244094e457","source":{"kind":"arxiv","id":"1905.06279","version":1},"attestation_state":"computed","paper":{"title":"An X-Ray Regenerative Amplifier Free-Electron Laser Using Diamond Pinhole MIrrors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Henry P. Freund, Peter van der Slot, Yuri Shvyd'ko","submitted_at":"2019-05-15T16:27:31Z","abstract_excerpt":"Free-electron lasers (FELs) have been built ranging in wavelength from long-wavelength oscillators using partial wave guiding through ultraviolet through hard x-ray FELs that are either seeded or start from noise (SASE). Operation in the x-ray spectrum has relied on single-pass SASE due either to the lack of seed lasers or difficulties in the design of x-ray mirrors. However, recent developments in the production of diamond crystal Bragg reflectors point the way to the design of regenerative amplifiers (RAFELs) which are, essentially, low-Q x-ray free-electron laser oscillators (XFELOs) that o"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1905.06279","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2019-05-15T16:27:31Z","cross_cats_sorted":[],"title_canon_sha256":"6ec34f822c2c05e31d331d2ca4d600321b4b5942815e5a0a609f6c9af5003897","abstract_canon_sha256":"776e19023c18ea26a14f60479b4bd83513a7d5d5cd4331bedee2ba91ce3a0029"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:40:25.189062Z","signature_b64":"3x3yo5f+BQXvq2iPJUWIpf7qqgV4IVSzTLITQ5D59vh8YdS1LDEdtuHTYBo9JT5vdAzlxYagW/aHLbj4USvWBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a91dbb0595b8f8c8018889f60ac986abd5729a086c05926d2c9e9244094e457","last_reissued_at":"2026-07-05T02:40:25.188703Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:40:25.188703Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An X-Ray Regenerative Amplifier Free-Electron Laser Using Diamond Pinhole MIrrors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Henry P. Freund, Peter van der Slot, Yuri Shvyd'ko","submitted_at":"2019-05-15T16:27:31Z","abstract_excerpt":"Free-electron lasers (FELs) have been built ranging in wavelength from long-wavelength oscillators using partial wave guiding through ultraviolet through hard x-ray FELs that are either seeded or start from noise (SASE). Operation in the x-ray spectrum has relied on single-pass SASE due either to the lack of seed lasers or difficulties in the design of x-ray mirrors. However, recent developments in the production of diamond crystal Bragg reflectors point the way to the design of regenerative amplifiers (RAFELs) which are, essentially, low-Q x-ray free-electron laser oscillators (XFELOs) that o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.06279","kind":"arxiv","version":1},"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/1905.06279/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1905.06279","created_at":"2026-07-05T02:40:25.188757+00:00"},{"alias_kind":"arxiv_version","alias_value":"1905.06279v1","created_at":"2026-07-05T02:40:25.188757+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.06279","created_at":"2026-07-05T02:40:25.188757+00:00"},{"alias_kind":"pith_short_12","alias_value":"HKI5XMCZLOHY","created_at":"2026-07-05T02:40:25.188757+00:00"},{"alias_kind":"pith_short_16","alias_value":"HKI5XMCZLOHYZAAY","created_at":"2026-07-05T02:40:25.188757+00:00"},{"alias_kind":"pith_short_8","alias_value":"HKI5XMCZ","created_at":"2026-07-05T02:40:25.188757+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HKI5XMCZLOHYZAAYRCPWBLEYNK","json":"https://pith.science/pith/HKI5XMCZLOHYZAAYRCPWBLEYNK.json","graph_json":"https://pith.science/api/pith-number/HKI5XMCZLOHYZAAYRCPWBLEYNK/graph.json","events_json":"https://pith.science/api/pith-number/HKI5XMCZLOHYZAAYRCPWBLEYNK/events.json","paper":"https://pith.science/paper/HKI5XMCZ"},"agent_actions":{"view_html":"https://pith.science/pith/HKI5XMCZLOHYZAAYRCPWBLEYNK","download_json":"https://pith.science/pith/HKI5XMCZLOHYZAAYRCPWBLEYNK.json","view_paper":"https://pith.science/paper/HKI5XMCZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1905.06279&json=true","fetch_graph":"https://pith.science/api/pith-number/HKI5XMCZLOHYZAAYRCPWBLEYNK/graph.json","fetch_events":"https://pith.science/api/pith-number/HKI5XMCZLOHYZAAYRCPWBLEYNK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HKI5XMCZLOHYZAAYRCPWBLEYNK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HKI5XMCZLOHYZAAYRCPWBLEYNK/action/storage_attestation","attest_author":"https://pith.science/pith/HKI5XMCZLOHYZAAYRCPWBLEYNK/action/author_attestation","sign_citation":"https://pith.science/pith/HKI5XMCZLOHYZAAYRCPWBLEYNK/action/citation_signature","submit_replication":"https://pith.science/pith/HKI5XMCZLOHYZAAYRCPWBLEYNK/action/replication_record"}},"created_at":"2026-07-05T02:40:25.188757+00:00","updated_at":"2026-07-05T02:40:25.188757+00:00"}