{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:FU5HS2CAZTQE5MDNZ2FSBEX4YH","short_pith_number":"pith:FU5HS2CA","schema_version":"1.0","canonical_sha256":"2d3a796840cce04eb06dce8b2092fcc1da8417be5f23ad06e96a4a6b7ef1720b","source":{"kind":"arxiv","id":"1712.08257","version":1},"attestation_state":"computed","paper":{"title":"Multi-color, femtosecond $\\gamma$-ray pulse trains driven by comb-like electron beams","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["physics.acc-ph"],"primary_cat":"physics.plasm-ph","authors_text":"B. A. Shadwick, I. Ghebregziabher, S. Y. Kalmykov, X. Davoine","submitted_at":"2017-12-22T00:07:38Z","abstract_excerpt":"Photon engineering can be exploited to control the nonlinear evolution of the drive pulse in a laser-plasma accelerator (LPA), offering new avenues to tailor electron beam phase space on a femtosecond time scale. One promising option is to drive an LPA with an incoherent stack of two sub-Joule, multi-TW pulses of different colors. Slow self-compression of the bi-color optical driver delays electron dephasing, boosting electron beam energy without accumulation of a massive low-energy tail. The modest energy of the stack affords kHz-scale repetition rate at manageable laser average power. Propag"},"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":"1712.08257","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2017-12-22T00:07:38Z","cross_cats_sorted":["physics.acc-ph"],"title_canon_sha256":"6b6d661e04fc918a1f7ebac47a73b7d43efb458b5e0d075b76180963dfc312a8","abstract_canon_sha256":"c1234af821f5d01061c6178f247291c62d0fd31cce42e7893a9a6181f0f6fd32"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:44.098387Z","signature_b64":"0L3wgybRzpqfvpKFTPuPwnNRLpnpu6tsmSng713lw9N26NCf/UIPEJ5mUpPkpGA7EZ/ycTAUqi/VgCHyuWq6Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2d3a796840cce04eb06dce8b2092fcc1da8417be5f23ad06e96a4a6b7ef1720b","last_reissued_at":"2026-05-17T23:57:44.097815Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:44.097815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multi-color, femtosecond $\\gamma$-ray pulse trains driven by comb-like electron beams","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["physics.acc-ph"],"primary_cat":"physics.plasm-ph","authors_text":"B. A. Shadwick, I. Ghebregziabher, S. Y. Kalmykov, X. Davoine","submitted_at":"2017-12-22T00:07:38Z","abstract_excerpt":"Photon engineering can be exploited to control the nonlinear evolution of the drive pulse in a laser-plasma accelerator (LPA), offering new avenues to tailor electron beam phase space on a femtosecond time scale. One promising option is to drive an LPA with an incoherent stack of two sub-Joule, multi-TW pulses of different colors. Slow self-compression of the bi-color optical driver delays electron dephasing, boosting electron beam energy without accumulation of a massive low-energy tail. The modest energy of the stack affords kHz-scale repetition rate at manageable laser average power. Propag"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.08257","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":""},"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":"1712.08257","created_at":"2026-05-17T23:57:44.097893+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.08257v1","created_at":"2026-05-17T23:57:44.097893+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.08257","created_at":"2026-05-17T23:57:44.097893+00:00"},{"alias_kind":"pith_short_12","alias_value":"FU5HS2CAZTQE","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_16","alias_value":"FU5HS2CAZTQE5MDN","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_8","alias_value":"FU5HS2CA","created_at":"2026-05-18T12:31:15.632608+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/FU5HS2CAZTQE5MDNZ2FSBEX4YH","json":"https://pith.science/pith/FU5HS2CAZTQE5MDNZ2FSBEX4YH.json","graph_json":"https://pith.science/api/pith-number/FU5HS2CAZTQE5MDNZ2FSBEX4YH/graph.json","events_json":"https://pith.science/api/pith-number/FU5HS2CAZTQE5MDNZ2FSBEX4YH/events.json","paper":"https://pith.science/paper/FU5HS2CA"},"agent_actions":{"view_html":"https://pith.science/pith/FU5HS2CAZTQE5MDNZ2FSBEX4YH","download_json":"https://pith.science/pith/FU5HS2CAZTQE5MDNZ2FSBEX4YH.json","view_paper":"https://pith.science/paper/FU5HS2CA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.08257&json=true","fetch_graph":"https://pith.science/api/pith-number/FU5HS2CAZTQE5MDNZ2FSBEX4YH/graph.json","fetch_events":"https://pith.science/api/pith-number/FU5HS2CAZTQE5MDNZ2FSBEX4YH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FU5HS2CAZTQE5MDNZ2FSBEX4YH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FU5HS2CAZTQE5MDNZ2FSBEX4YH/action/storage_attestation","attest_author":"https://pith.science/pith/FU5HS2CAZTQE5MDNZ2FSBEX4YH/action/author_attestation","sign_citation":"https://pith.science/pith/FU5HS2CAZTQE5MDNZ2FSBEX4YH/action/citation_signature","submit_replication":"https://pith.science/pith/FU5HS2CAZTQE5MDNZ2FSBEX4YH/action/replication_record"}},"created_at":"2026-05-17T23:57:44.097893+00:00","updated_at":"2026-05-17T23:57:44.097893+00:00"}