{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:2647G4WO2VKBWFYJXQFRHGEDQ4","short_pith_number":"pith:2647G4WO","canonical_record":{"source":{"id":"2304.07816","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-04-16T15:42:10Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"07020945b4e57842879dd618ed974fb3396a8751c15e97478fc688dafd21e37b","abstract_canon_sha256":"466e2a483bcd432c5c03de175630460f16d6ffebc4d1b87b5c0e2fe7ac33d9b1"},"schema_version":"1.0"},"canonical_sha256":"d7b9f372ced5541b1709bc0b1398838717611502cc353898cb5fa83fc1ebc67c","source":{"kind":"arxiv","id":"2304.07816","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.07816","created_at":"2026-07-05T06:01:25Z"},{"alias_kind":"arxiv_version","alias_value":"2304.07816v1","created_at":"2026-07-05T06:01:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.07816","created_at":"2026-07-05T06:01:25Z"},{"alias_kind":"pith_short_12","alias_value":"2647G4WO2VKB","created_at":"2026-07-05T06:01:25Z"},{"alias_kind":"pith_short_16","alias_value":"2647G4WO2VKBWFYJ","created_at":"2026-07-05T06:01:25Z"},{"alias_kind":"pith_short_8","alias_value":"2647G4WO","created_at":"2026-07-05T06:01:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:2647G4WO2VKBWFYJXQFRHGEDQ4","target":"record","payload":{"canonical_record":{"source":{"id":"2304.07816","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-04-16T15:42:10Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"07020945b4e57842879dd618ed974fb3396a8751c15e97478fc688dafd21e37b","abstract_canon_sha256":"466e2a483bcd432c5c03de175630460f16d6ffebc4d1b87b5c0e2fe7ac33d9b1"},"schema_version":"1.0"},"canonical_sha256":"d7b9f372ced5541b1709bc0b1398838717611502cc353898cb5fa83fc1ebc67c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:01:25.720434Z","signature_b64":"7PHIKTngW65mb/9yG17jktvAUNW6HfGeICYFZC1ZiMYtn08te01Wbpj+anqzDVSi5J1qQaPncqt9bgCLxpqNBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d7b9f372ced5541b1709bc0b1398838717611502cc353898cb5fa83fc1ebc67c","last_reissued_at":"2026-07-05T06:01:25.720019Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:01:25.720019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.07816","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:01:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CFngCVtDmvGOJ3t5Skmxo1s6LD9AAJQ7Z/tKLJ8CjiXeTmKP4EyuYlmfeE7wwParSGH6QIGzFuH4pXIkJFYLAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:07:02.922378Z"},"content_sha256":"94ef4d30950da24c4e94982bf42d1b18c5e5e35571dd681bdb1c1901ac0ea23b","schema_version":"1.0","event_id":"sha256:94ef4d30950da24c4e94982bf42d1b18c5e5e35571dd681bdb1c1901ac0ea23b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:2647G4WO2VKBWFYJXQFRHGEDQ4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical generation of quasi-stationary plasma electromagnetic structures for particle collimation with PetaWatt picosecond laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.plasm-ph","authors_text":"B. Zielbauer, G. Schaumann, I. V. Kochetkov, J. J. Santos, K. F. F. Law, M. Ehret, N.D. Bukharskii, Ph. Korneev, S. Fujioka, Y. Abe","submitted_at":"2023-04-16T15:42:10Z","abstract_excerpt":"Optical generation of energetic particle bunches requires high-power laser facilities operating in picosecond or femtosecond temporal domain. It is therefore preferable to use short laser pulses in all-optical platforms designed for guiding and focusing of such particle beams, increasing their brightness and decreasing their angular divergence. We propose and discuss theoretical and experimental results for a novel electromagnetic guiding setup based on a shaped spiral-like 'snail' target with a relatively large useful aperture. Due to the diameter increased to a sub-mm scale, a wider particle"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.07816","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/2304.07816/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:01:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ey2HR6AQoiIXTQrw8BM5CBS8dXOIfD0hkvMYwC9lxRlgcrvNGJt3ysMq2/81OcQVt4s5dY/XFitfyl0ZQ9t5Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:07:02.922893Z"},"content_sha256":"3dbc67a732a3c8c3d3214d8fcc0540f86e08fce7f46af6bfdfcabbc149299d04","schema_version":"1.0","event_id":"sha256:3dbc67a732a3c8c3d3214d8fcc0540f86e08fce7f46af6bfdfcabbc149299d04"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2647G4WO2VKBWFYJXQFRHGEDQ4/bundle.json","state_url":"https://pith.science/pith/2647G4WO2VKBWFYJXQFRHGEDQ4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2647G4WO2VKBWFYJXQFRHGEDQ4/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":"2026-08-05T09:07:02Z","links":{"resolver":"https://pith.science/pith/2647G4WO2VKBWFYJXQFRHGEDQ4","bundle":"https://pith.science/pith/2647G4WO2VKBWFYJXQFRHGEDQ4/bundle.json","state":"https://pith.science/pith/2647G4WO2VKBWFYJXQFRHGEDQ4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2647G4WO2VKBWFYJXQFRHGEDQ4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:2647G4WO2VKBWFYJXQFRHGEDQ4","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":"466e2a483bcd432c5c03de175630460f16d6ffebc4d1b87b5c0e2fe7ac33d9b1","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-04-16T15:42:10Z","title_canon_sha256":"07020945b4e57842879dd618ed974fb3396a8751c15e97478fc688dafd21e37b"},"schema_version":"1.0","source":{"id":"2304.07816","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.07816","created_at":"2026-07-05T06:01:25Z"},{"alias_kind":"arxiv_version","alias_value":"2304.07816v1","created_at":"2026-07-05T06:01:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.07816","created_at":"2026-07-05T06:01:25Z"},{"alias_kind":"pith_short_12","alias_value":"2647G4WO2VKB","created_at":"2026-07-05T06:01:25Z"},{"alias_kind":"pith_short_16","alias_value":"2647G4WO2VKBWFYJ","created_at":"2026-07-05T06:01:25Z"},{"alias_kind":"pith_short_8","alias_value":"2647G4WO","created_at":"2026-07-05T06:01:25Z"}],"graph_snapshots":[{"event_id":"sha256:3dbc67a732a3c8c3d3214d8fcc0540f86e08fce7f46af6bfdfcabbc149299d04","target":"graph","created_at":"2026-07-05T06:01:25Z","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/2304.07816/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Optical generation of energetic particle bunches requires high-power laser facilities operating in picosecond or femtosecond temporal domain. It is therefore preferable to use short laser pulses in all-optical platforms designed for guiding and focusing of such particle beams, increasing their brightness and decreasing their angular divergence. We propose and discuss theoretical and experimental results for a novel electromagnetic guiding setup based on a shaped spiral-like 'snail' target with a relatively large useful aperture. Due to the diameter increased to a sub-mm scale, a wider particle","authors_text":"B. Zielbauer, G. Schaumann, I. V. Kochetkov, J. J. Santos, K. F. F. Law, M. Ehret, N.D. Bukharskii, Ph. Korneev, S. Fujioka, Y. Abe","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-04-16T15:42:10Z","title":"Optical generation of quasi-stationary plasma electromagnetic structures for particle collimation with PetaWatt picosecond laser"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.07816","kind":"arxiv","version":1},"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":"sha256:94ef4d30950da24c4e94982bf42d1b18c5e5e35571dd681bdb1c1901ac0ea23b","target":"record","created_at":"2026-07-05T06:01:25Z","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":"466e2a483bcd432c5c03de175630460f16d6ffebc4d1b87b5c0e2fe7ac33d9b1","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-04-16T15:42:10Z","title_canon_sha256":"07020945b4e57842879dd618ed974fb3396a8751c15e97478fc688dafd21e37b"},"schema_version":"1.0","source":{"id":"2304.07816","kind":"arxiv","version":1}},"canonical_sha256":"d7b9f372ced5541b1709bc0b1398838717611502cc353898cb5fa83fc1ebc67c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d7b9f372ced5541b1709bc0b1398838717611502cc353898cb5fa83fc1ebc67c","first_computed_at":"2026-07-05T06:01:25.720019Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:01:25.720019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7PHIKTngW65mb/9yG17jktvAUNW6HfGeICYFZC1ZiMYtn08te01Wbpj+anqzDVSi5J1qQaPncqt9bgCLxpqNBw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:01:25.720434Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.07816","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:94ef4d30950da24c4e94982bf42d1b18c5e5e35571dd681bdb1c1901ac0ea23b","sha256:3dbc67a732a3c8c3d3214d8fcc0540f86e08fce7f46af6bfdfcabbc149299d04"],"state_sha256":"1d12292c24089d7ab532439a63ed6c89bfff556d0f82da830e354804d8df0efe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GoyPhvU3bifj4P0+ZfHP62RJElbqXSEb3OA4n0LxkZtfHMvjNtx5KFHFeCSd6JqgexscNa+JH3tBA+BTe+1XDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T09:07:02.927112Z","bundle_sha256":"2a6cb3c9972c2688ef2b1c6e98532deac0e5e3f43b458100070a0382ee096717"}}