{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:2KLBNTSMQN3BQDLDADDHVULGAV","short_pith_number":"pith:2KLBNTSM","canonical_record":{"source":{"id":"1903.04640","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2019-03-11T22:46:48Z","cross_cats_sorted":[],"title_canon_sha256":"ed1dd2828a0ea8e4701305a1a211afaaca8810bbbb2858a5bd3940292c3f15e8","abstract_canon_sha256":"0e60f521a288e13415362d7951b4e097106deca7e11bb2dce99578ebbd5f46a6"},"schema_version":"1.0"},"canonical_sha256":"d29616ce4c8376180d6300c67ad1660568cc7b8e6c448c07b218a49b5f644a63","source":{"kind":"arxiv","id":"1903.04640","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.04640","created_at":"2026-05-17T23:42:13Z"},{"alias_kind":"arxiv_version","alias_value":"1903.04640v2","created_at":"2026-05-17T23:42:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.04640","created_at":"2026-05-17T23:42:13Z"},{"alias_kind":"pith_short_12","alias_value":"2KLBNTSMQN3B","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"2KLBNTSMQN3BQDLD","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"2KLBNTSM","created_at":"2026-05-18T12:33:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:2KLBNTSMQN3BQDLDADDHVULGAV","target":"record","payload":{"canonical_record":{"source":{"id":"1903.04640","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2019-03-11T22:46:48Z","cross_cats_sorted":[],"title_canon_sha256":"ed1dd2828a0ea8e4701305a1a211afaaca8810bbbb2858a5bd3940292c3f15e8","abstract_canon_sha256":"0e60f521a288e13415362d7951b4e097106deca7e11bb2dce99578ebbd5f46a6"},"schema_version":"1.0"},"canonical_sha256":"d29616ce4c8376180d6300c67ad1660568cc7b8e6c448c07b218a49b5f644a63","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:13.626426Z","signature_b64":"fHeaL8v+UjJHB55LU3lItd0d0EGzq1D0XxFwuNIROGnG6f8HWuqCLbamUTVFbeAUTxhU2oiTIz/6o5YHrA/uDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d29616ce4c8376180d6300c67ad1660568cc7b8e6c448c07b218a49b5f644a63","last_reissued_at":"2026-05-17T23:42:13.625895Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:13.625895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.04640","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:42:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2qgdVGpwYi9q7HywqYdXrDs4ix3Wu1iyBthKda5vO3xRIIBKOHgRpqWnVKI7Wi1t93yGA9flHdgp0s8m1tBTDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:38:27.285214Z"},"content_sha256":"5cd697b9d7203128ce44f6b8d7598598285d0e8244d9d8b72eb614930092d52f","schema_version":"1.0","event_id":"sha256:5cd697b9d7203128ce44f6b8d7598598285d0e8244d9d8b72eb614930092d52f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:2KLBNTSMQN3BQDLDADDHVULGAV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hybrid LWFA $\\vert$ PWFA Staging as a Beam Energy and Brightness Transformer : Conceptual Design and Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"A. Debus, A. D\\\"opp, A. Ferran Pousa, A. Irman, A. Martinez de la Ossa, B. Hidding, J. Osterhoff, J. P. Couperus Cabada\\u{g}, M. F. Gilljohann, O. Kononenko, R. Bussmann, R. Pausch, R. W. A{\\ss}mann, S. Corde, S. Karsch, S. Sch\\\"obel, T. Heinemann, T. Kurz, U. Schramm","submitted_at":"2019-03-11T22:46:48Z","abstract_excerpt":"We present a conceptual design for a hybrid laser-to-beam-driven plasma wakefield accelerator. In this setup, the output beams from a laser-driven plasma wakefield accelerator (LWFA) stage are used as input beams of a new beam-driven plasma accelerator (PWFA) stage. In the PWFA stage a new witness beam of largely increased quality can be produced and accelerated to higher energies. The feasibility and the potential of this concept is shown through exemplary particle-in-cell simulations. In addition, preliminary simulation results for a proof-of-concept experiment at HZDR (Germany) are shown."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.04640","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:42:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OLMigBE7DnZRvKNC94K4ey76TDnF6J2p06u2/Cve651ONYTS/90zaYSc36sL9ONNcTZQzRkdjcN9nubyrbFmAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:38:27.285937Z"},"content_sha256":"53af6a3bdb7dafca0437ff0ea79322fc9b9403ba0304785a44d9f0cb0286d402","schema_version":"1.0","event_id":"sha256:53af6a3bdb7dafca0437ff0ea79322fc9b9403ba0304785a44d9f0cb0286d402"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2KLBNTSMQN3BQDLDADDHVULGAV/bundle.json","state_url":"https://pith.science/pith/2KLBNTSMQN3BQDLDADDHVULGAV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2KLBNTSMQN3BQDLDADDHVULGAV/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T23:38:27Z","links":{"resolver":"https://pith.science/pith/2KLBNTSMQN3BQDLDADDHVULGAV","bundle":"https://pith.science/pith/2KLBNTSMQN3BQDLDADDHVULGAV/bundle.json","state":"https://pith.science/pith/2KLBNTSMQN3BQDLDADDHVULGAV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2KLBNTSMQN3BQDLDADDHVULGAV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:2KLBNTSMQN3BQDLDADDHVULGAV","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":"0e60f521a288e13415362d7951b4e097106deca7e11bb2dce99578ebbd5f46a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2019-03-11T22:46:48Z","title_canon_sha256":"ed1dd2828a0ea8e4701305a1a211afaaca8810bbbb2858a5bd3940292c3f15e8"},"schema_version":"1.0","source":{"id":"1903.04640","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.04640","created_at":"2026-05-17T23:42:13Z"},{"alias_kind":"arxiv_version","alias_value":"1903.04640v2","created_at":"2026-05-17T23:42:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.04640","created_at":"2026-05-17T23:42:13Z"},{"alias_kind":"pith_short_12","alias_value":"2KLBNTSMQN3B","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"2KLBNTSMQN3BQDLD","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"2KLBNTSM","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:53af6a3bdb7dafca0437ff0ea79322fc9b9403ba0304785a44d9f0cb0286d402","target":"graph","created_at":"2026-05-17T23:42:13Z","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"},"paper":{"abstract_excerpt":"We present a conceptual design for a hybrid laser-to-beam-driven plasma wakefield accelerator. In this setup, the output beams from a laser-driven plasma wakefield accelerator (LWFA) stage are used as input beams of a new beam-driven plasma accelerator (PWFA) stage. In the PWFA stage a new witness beam of largely increased quality can be produced and accelerated to higher energies. The feasibility and the potential of this concept is shown through exemplary particle-in-cell simulations. In addition, preliminary simulation results for a proof-of-concept experiment at HZDR (Germany) are shown.","authors_text":"A. Debus, A. D\\\"opp, A. Ferran Pousa, A. Irman, A. Martinez de la Ossa, B. Hidding, J. Osterhoff, J. P. Couperus Cabada\\u{g}, M. F. Gilljohann, O. Kononenko, R. Bussmann, R. Pausch, R. W. A{\\ss}mann, S. Corde, S. Karsch, S. Sch\\\"obel, T. Heinemann, T. Kurz, U. Schramm","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2019-03-11T22:46:48Z","title":"Hybrid LWFA $\\vert$ PWFA Staging as a Beam Energy and Brightness Transformer : Conceptual Design and Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.04640","kind":"arxiv","version":2},"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":"sha256:5cd697b9d7203128ce44f6b8d7598598285d0e8244d9d8b72eb614930092d52f","target":"record","created_at":"2026-05-17T23:42:13Z","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":"0e60f521a288e13415362d7951b4e097106deca7e11bb2dce99578ebbd5f46a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2019-03-11T22:46:48Z","title_canon_sha256":"ed1dd2828a0ea8e4701305a1a211afaaca8810bbbb2858a5bd3940292c3f15e8"},"schema_version":"1.0","source":{"id":"1903.04640","kind":"arxiv","version":2}},"canonical_sha256":"d29616ce4c8376180d6300c67ad1660568cc7b8e6c448c07b218a49b5f644a63","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d29616ce4c8376180d6300c67ad1660568cc7b8e6c448c07b218a49b5f644a63","first_computed_at":"2026-05-17T23:42:13.625895Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:13.625895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fHeaL8v+UjJHB55LU3lItd0d0EGzq1D0XxFwuNIROGnG6f8HWuqCLbamUTVFbeAUTxhU2oiTIz/6o5YHrA/uDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:13.626426Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.04640","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5cd697b9d7203128ce44f6b8d7598598285d0e8244d9d8b72eb614930092d52f","sha256:53af6a3bdb7dafca0437ff0ea79322fc9b9403ba0304785a44d9f0cb0286d402"],"state_sha256":"23241e5bf5165e4136b732994c694f92f42d9632bb82643d472a1473a23996b0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i/ZrHG9XMLhB5SHFqAD36HnSwuiGwMY+MRCYOJqO98zrOh080PUItdNexDfGlb3Rm3uTCDAZ3QVqy0MI8cNVCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:38:27.289510Z","bundle_sha256":"94dfd1ef53cc8ac5ff8a78f01755f63684ee393203adfd107133448857a54b67"}}