{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:2PD56PASTDNIPTUZLJEDQSGSQT","short_pith_number":"pith:2PD56PAS","canonical_record":{"source":{"id":"2309.06271","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-09-12T14:32:29Z","cross_cats_sorted":[],"title_canon_sha256":"29fbe4c8eab7917ac63049418523b150354b74b8aa00d5e84cc94afea765abc9","abstract_canon_sha256":"1e4ff4db6c8392da43bc1d7f2a315a3e5225edb440a84b46cb6ee4e8739488ff"},"schema_version":"1.0"},"canonical_sha256":"d3c7df3c1298da87ce995a483848d284dde51857cf28ea33ba6f9655c906b816","source":{"kind":"arxiv","id":"2309.06271","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.06271","created_at":"2026-07-05T09:45:41Z"},{"alias_kind":"arxiv_version","alias_value":"2309.06271v2","created_at":"2026-07-05T09:45:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.06271","created_at":"2026-07-05T09:45:41Z"},{"alias_kind":"pith_short_12","alias_value":"2PD56PASTDNI","created_at":"2026-07-05T09:45:41Z"},{"alias_kind":"pith_short_16","alias_value":"2PD56PASTDNIPTUZ","created_at":"2026-07-05T09:45:41Z"},{"alias_kind":"pith_short_8","alias_value":"2PD56PAS","created_at":"2026-07-05T09:45:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:2PD56PASTDNIPTUZLJEDQSGSQT","target":"record","payload":{"canonical_record":{"source":{"id":"2309.06271","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-09-12T14:32:29Z","cross_cats_sorted":[],"title_canon_sha256":"29fbe4c8eab7917ac63049418523b150354b74b8aa00d5e84cc94afea765abc9","abstract_canon_sha256":"1e4ff4db6c8392da43bc1d7f2a315a3e5225edb440a84b46cb6ee4e8739488ff"},"schema_version":"1.0"},"canonical_sha256":"d3c7df3c1298da87ce995a483848d284dde51857cf28ea33ba6f9655c906b816","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:45:41.118688Z","signature_b64":"9Vr9qzafvwaxrXfeUEmbZruG2BSSsiBSkEp2Sd+MfN1S5LsV8OUvT8XIgcMRannBBx5sFSNhclTo9WWs78RSDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d3c7df3c1298da87ce995a483848d284dde51857cf28ea33ba6f9655c906b816","last_reissued_at":"2026-07-05T09:45:41.118258Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:45:41.118258Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.06271","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":"2026-07-05T09:45:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fVKkgsWvL/zcLyEJ0dugkiRgO2yKHJwHIKL3yLxDf+cNPK8Rz6x+gcd9k9IomkyiSYnATOTpzY8pE40HE5UoCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T06:02:48.287034Z"},"content_sha256":"11b9cfb51a944fcccd00068c4f261c13e973d587fd99ff90499fc2fb191348bb","schema_version":"1.0","event_id":"sha256:11b9cfb51a944fcccd00068c4f261c13e973d587fd99ff90499fc2fb191348bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:2PD56PASTDNIPTUZLJEDQSGSQT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin-polarized ${}^3$He shock waves from a solid-gas composite target at high laser intensities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Alexander Pukhov, Lars Reichwein, Markus B\\\"uscher, Xiaofei Shen","submitted_at":"2023-09-12T14:32:29Z","abstract_excerpt":"We investigate Collisionless Shock Acceleration of spin-polarized ${}^3$He for laser pulses with normalized vector potentials in the range $a_0 = 100-200$. The setup utilized in the 2D-PIC simulations consists of a solid Carbon foil that is placed in front of the main Helium target. The foil is heated by the laser pulse and shields the Helium from the highly oscillating fields. In turn, a shock wave with more homogeneous fields is induced, leading to highly polarized ion beams. We observe that the inclusion of radiation reaction into our simulations leads to a higher beam charge without affect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.06271","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2309.06271/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":"2026-07-05T09:45:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D7M6SsWhPyTil3/9lvNxx5WFzbTQ72vWa73MrK83Jmvm/ydt01HMoM6lnESlNdnicirKA3cIAqOZ7eqPckVcBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T06:02:48.288038Z"},"content_sha256":"0808555e94f6e774ed849b0b264f53d3471c7187bfd4478f0e34f825c59c2f58","schema_version":"1.0","event_id":"sha256:0808555e94f6e774ed849b0b264f53d3471c7187bfd4478f0e34f825c59c2f58"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2PD56PASTDNIPTUZLJEDQSGSQT/bundle.json","state_url":"https://pith.science/pith/2PD56PASTDNIPTUZLJEDQSGSQT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2PD56PASTDNIPTUZLJEDQSGSQT/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":"2026-08-07T06:02:48Z","links":{"resolver":"https://pith.science/pith/2PD56PASTDNIPTUZLJEDQSGSQT","bundle":"https://pith.science/pith/2PD56PASTDNIPTUZLJEDQSGSQT/bundle.json","state":"https://pith.science/pith/2PD56PASTDNIPTUZLJEDQSGSQT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2PD56PASTDNIPTUZLJEDQSGSQT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:2PD56PASTDNIPTUZLJEDQSGSQT","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":"1e4ff4db6c8392da43bc1d7f2a315a3e5225edb440a84b46cb6ee4e8739488ff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-09-12T14:32:29Z","title_canon_sha256":"29fbe4c8eab7917ac63049418523b150354b74b8aa00d5e84cc94afea765abc9"},"schema_version":"1.0","source":{"id":"2309.06271","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.06271","created_at":"2026-07-05T09:45:41Z"},{"alias_kind":"arxiv_version","alias_value":"2309.06271v2","created_at":"2026-07-05T09:45:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.06271","created_at":"2026-07-05T09:45:41Z"},{"alias_kind":"pith_short_12","alias_value":"2PD56PASTDNI","created_at":"2026-07-05T09:45:41Z"},{"alias_kind":"pith_short_16","alias_value":"2PD56PASTDNIPTUZ","created_at":"2026-07-05T09:45:41Z"},{"alias_kind":"pith_short_8","alias_value":"2PD56PAS","created_at":"2026-07-05T09:45:41Z"}],"graph_snapshots":[{"event_id":"sha256:0808555e94f6e774ed849b0b264f53d3471c7187bfd4478f0e34f825c59c2f58","target":"graph","created_at":"2026-07-05T09:45:41Z","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/2309.06271/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate Collisionless Shock Acceleration of spin-polarized ${}^3$He for laser pulses with normalized vector potentials in the range $a_0 = 100-200$. The setup utilized in the 2D-PIC simulations consists of a solid Carbon foil that is placed in front of the main Helium target. The foil is heated by the laser pulse and shields the Helium from the highly oscillating fields. In turn, a shock wave with more homogeneous fields is induced, leading to highly polarized ion beams. We observe that the inclusion of radiation reaction into our simulations leads to a higher beam charge without affect","authors_text":"Alexander Pukhov, Lars Reichwein, Markus B\\\"uscher, Xiaofei Shen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-09-12T14:32:29Z","title":"Spin-polarized ${}^3$He shock waves from a solid-gas composite target at high laser intensities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.06271","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":"sha256:11b9cfb51a944fcccd00068c4f261c13e973d587fd99ff90499fc2fb191348bb","target":"record","created_at":"2026-07-05T09:45:41Z","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":"1e4ff4db6c8392da43bc1d7f2a315a3e5225edb440a84b46cb6ee4e8739488ff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-09-12T14:32:29Z","title_canon_sha256":"29fbe4c8eab7917ac63049418523b150354b74b8aa00d5e84cc94afea765abc9"},"schema_version":"1.0","source":{"id":"2309.06271","kind":"arxiv","version":2}},"canonical_sha256":"d3c7df3c1298da87ce995a483848d284dde51857cf28ea33ba6f9655c906b816","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d3c7df3c1298da87ce995a483848d284dde51857cf28ea33ba6f9655c906b816","first_computed_at":"2026-07-05T09:45:41.118258Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:45:41.118258Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9Vr9qzafvwaxrXfeUEmbZruG2BSSsiBSkEp2Sd+MfN1S5LsV8OUvT8XIgcMRannBBx5sFSNhclTo9WWs78RSDg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:45:41.118688Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.06271","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11b9cfb51a944fcccd00068c4f261c13e973d587fd99ff90499fc2fb191348bb","sha256:0808555e94f6e774ed849b0b264f53d3471c7187bfd4478f0e34f825c59c2f58"],"state_sha256":"32c58d84f1a89a4acc0a481b7e7c899806353e764a1158bb30737252435ee6a6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NW2WCVJ65dF4xOx0iUF8NHbI9CM/8ZHiqBZtmoTc9cJmsIsNcE39E5uJDk3GRnox7hVE7YRdBzJwFLLpFLsuAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T06:02:48.294163Z","bundle_sha256":"aa208985bfbe06bb5d0a99dfa76c369ace13633392ed460ff12ce2f24687c307"}}