{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:ON7VQK6W6YH5P4XE62SWXLGARD","short_pith_number":"pith:ON7VQK6W","schema_version":"1.0","canonical_sha256":"737f582bd6f60fd7f2e4f6a56bacc088ed162d196cb71ceaac2de34973560c93","source":{"kind":"arxiv","id":"2108.00028","version":1},"attestation_state":"computed","paper":{"title":"Extended particle absorber for efficient modeling of intense laser-solid interactions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.plasm-ph","authors_text":"Frederico Fiuza, Joshua May, Kyle G. Miller, Warren B. Mori","submitted_at":"2021-07-30T18:02:44Z","abstract_excerpt":"An extended thermal particle boundary condition is devised to more efficiently and accurately model laser-plasma interactions in overdense plasmas. Particle-in-cell simulations of such interactions require many particles per cell, and a large region of background plasma is often necessary to correctly mimic a semi-infinite plasma and avoid electron refluxing from a truncated plasma. For long-pulse lasers of many picoseconds, such constraints can become prohibitively expensive. Here, an extended particle boundary condition (absorber) is designed that instantaneously stops and re-emits energetic"},"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":"2108.00028","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2021-07-30T18:02:44Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"e2486948c1fe3d6468c97ccc2a49fc6f58bf47182e70639aa8229af6bd162da8","abstract_canon_sha256":"659e3675619f194764108a00a579b4f3f5dbc0db309668eafd0ad51d1d9b4f9a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:34:31.235730Z","signature_b64":"u9OYHiCxCWNueZnYXN+IANA/nlrLZSx7TLx/kLeK/hj4AYoolFIJLboRzyTth03OiU9QV1LTHEdgQImJ3f5nDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"737f582bd6f60fd7f2e4f6a56bacc088ed162d196cb71ceaac2de34973560c93","last_reissued_at":"2026-07-05T03:34:31.235296Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:34:31.235296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Extended particle absorber for efficient modeling of intense laser-solid interactions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.plasm-ph","authors_text":"Frederico Fiuza, Joshua May, Kyle G. Miller, Warren B. Mori","submitted_at":"2021-07-30T18:02:44Z","abstract_excerpt":"An extended thermal particle boundary condition is devised to more efficiently and accurately model laser-plasma interactions in overdense plasmas. Particle-in-cell simulations of such interactions require many particles per cell, and a large region of background plasma is often necessary to correctly mimic a semi-infinite plasma and avoid electron refluxing from a truncated plasma. For long-pulse lasers of many picoseconds, such constraints can become prohibitively expensive. Here, an extended particle boundary condition (absorber) is designed that instantaneously stops and re-emits energetic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.00028","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/2108.00028/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":"2108.00028","created_at":"2026-07-05T03:34:31.235360+00:00"},{"alias_kind":"arxiv_version","alias_value":"2108.00028v1","created_at":"2026-07-05T03:34:31.235360+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.00028","created_at":"2026-07-05T03:34:31.235360+00:00"},{"alias_kind":"pith_short_12","alias_value":"ON7VQK6W6YH5","created_at":"2026-07-05T03:34:31.235360+00:00"},{"alias_kind":"pith_short_16","alias_value":"ON7VQK6W6YH5P4XE","created_at":"2026-07-05T03:34:31.235360+00:00"},{"alias_kind":"pith_short_8","alias_value":"ON7VQK6W","created_at":"2026-07-05T03:34:31.235360+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/ON7VQK6W6YH5P4XE62SWXLGARD","json":"https://pith.science/pith/ON7VQK6W6YH5P4XE62SWXLGARD.json","graph_json":"https://pith.science/api/pith-number/ON7VQK6W6YH5P4XE62SWXLGARD/graph.json","events_json":"https://pith.science/api/pith-number/ON7VQK6W6YH5P4XE62SWXLGARD/events.json","paper":"https://pith.science/paper/ON7VQK6W"},"agent_actions":{"view_html":"https://pith.science/pith/ON7VQK6W6YH5P4XE62SWXLGARD","download_json":"https://pith.science/pith/ON7VQK6W6YH5P4XE62SWXLGARD.json","view_paper":"https://pith.science/paper/ON7VQK6W","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2108.00028&json=true","fetch_graph":"https://pith.science/api/pith-number/ON7VQK6W6YH5P4XE62SWXLGARD/graph.json","fetch_events":"https://pith.science/api/pith-number/ON7VQK6W6YH5P4XE62SWXLGARD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ON7VQK6W6YH5P4XE62SWXLGARD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ON7VQK6W6YH5P4XE62SWXLGARD/action/storage_attestation","attest_author":"https://pith.science/pith/ON7VQK6W6YH5P4XE62SWXLGARD/action/author_attestation","sign_citation":"https://pith.science/pith/ON7VQK6W6YH5P4XE62SWXLGARD/action/citation_signature","submit_replication":"https://pith.science/pith/ON7VQK6W6YH5P4XE62SWXLGARD/action/replication_record"}},"created_at":"2026-07-05T03:34:31.235360+00:00","updated_at":"2026-07-05T03:34:31.235360+00:00"}