{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:LOQXYIDWHPCFQAOLYYD2IDH4ZJ","short_pith_number":"pith:LOQXYIDW","schema_version":"1.0","canonical_sha256":"5ba17c20763bc45801cbc607a40cfcca5834b09499b4495c27c5a53ffc35e969","source":{"kind":"arxiv","id":"1903.04858","version":2},"attestation_state":"computed","paper":{"title":"The filamented electron bunch of the bubble regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Alexander Pukhov, Johannes Thomas, Lars Reichwein","submitted_at":"2019-03-12T11:54:10Z","abstract_excerpt":"We present a theory for describing the inner structure of the electron bunch in the bubble regime starting from a random distribution of electrons inside the bubble and subsequently minimizing the system's energy. Consequently, we find a filament-like structure in the direction of propagation that is surrounded by various shells consisting of further electrons. If we specify a 2D initial structure, we observe a hexagonal structure for a high number of particles, corresponding to the close-packing of spheres in two dimensions. The two-dimensional structures are in agreement with the equilibrium"},"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":"1903.04858","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-03-12T11:54:10Z","cross_cats_sorted":[],"title_canon_sha256":"6d694f2e18da51089c3c545a2d3aea9bda8496875470d95fd5d1269e8f744d81","abstract_canon_sha256":"8f0613a09efbbf2a5d5959413369afaec4d7ae2570ed5291f0b07de6e079e8a5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:16:38.439539Z","signature_b64":"t9zNP9e3jzWBoas0Cbo5BiwEZiSlhSVrGwcW4Q+wQUSic3nzlZO1zH+BSPXD61rbM1MK0d/IvkBK54G+eb25Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ba17c20763bc45801cbc607a40cfcca5834b09499b4495c27c5a53ffc35e969","last_reissued_at":"2026-07-05T01:16:38.439058Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:16:38.439058Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The filamented electron bunch of the bubble regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Alexander Pukhov, Johannes Thomas, Lars Reichwein","submitted_at":"2019-03-12T11:54:10Z","abstract_excerpt":"We present a theory for describing the inner structure of the electron bunch in the bubble regime starting from a random distribution of electrons inside the bubble and subsequently minimizing the system's energy. Consequently, we find a filament-like structure in the direction of propagation that is surrounded by various shells consisting of further electrons. If we specify a 2D initial structure, we observe a hexagonal structure for a high number of particles, corresponding to the close-packing of spheres in two dimensions. The two-dimensional structures are in agreement with the equilibrium"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.04858","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/1903.04858/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":"1903.04858","created_at":"2026-07-05T01:16:38.439118+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.04858v2","created_at":"2026-07-05T01:16:38.439118+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.04858","created_at":"2026-07-05T01:16:38.439118+00:00"},{"alias_kind":"pith_short_12","alias_value":"LOQXYIDWHPCF","created_at":"2026-07-05T01:16:38.439118+00:00"},{"alias_kind":"pith_short_16","alias_value":"LOQXYIDWHPCFQAOL","created_at":"2026-07-05T01:16:38.439118+00:00"},{"alias_kind":"pith_short_8","alias_value":"LOQXYIDW","created_at":"2026-07-05T01:16:38.439118+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/LOQXYIDWHPCFQAOLYYD2IDH4ZJ","json":"https://pith.science/pith/LOQXYIDWHPCFQAOLYYD2IDH4ZJ.json","graph_json":"https://pith.science/api/pith-number/LOQXYIDWHPCFQAOLYYD2IDH4ZJ/graph.json","events_json":"https://pith.science/api/pith-number/LOQXYIDWHPCFQAOLYYD2IDH4ZJ/events.json","paper":"https://pith.science/paper/LOQXYIDW"},"agent_actions":{"view_html":"https://pith.science/pith/LOQXYIDWHPCFQAOLYYD2IDH4ZJ","download_json":"https://pith.science/pith/LOQXYIDWHPCFQAOLYYD2IDH4ZJ.json","view_paper":"https://pith.science/paper/LOQXYIDW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.04858&json=true","fetch_graph":"https://pith.science/api/pith-number/LOQXYIDWHPCFQAOLYYD2IDH4ZJ/graph.json","fetch_events":"https://pith.science/api/pith-number/LOQXYIDWHPCFQAOLYYD2IDH4ZJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LOQXYIDWHPCFQAOLYYD2IDH4ZJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LOQXYIDWHPCFQAOLYYD2IDH4ZJ/action/storage_attestation","attest_author":"https://pith.science/pith/LOQXYIDWHPCFQAOLYYD2IDH4ZJ/action/author_attestation","sign_citation":"https://pith.science/pith/LOQXYIDWHPCFQAOLYYD2IDH4ZJ/action/citation_signature","submit_replication":"https://pith.science/pith/LOQXYIDWHPCFQAOLYYD2IDH4ZJ/action/replication_record"}},"created_at":"2026-07-05T01:16:38.439118+00:00","updated_at":"2026-07-05T01:16:38.439118+00:00"}