{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:A2PDZEPSDDWYPUXVMAXNQEJV3A","short_pith_number":"pith:A2PDZEPS","canonical_record":{"source":{"id":"2608.04171","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-08-04T19:30:19Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"a437cbdf6c7c6da8ef8a38704bb599a3a8472f1a0d13d1464aef127673c12322","abstract_canon_sha256":"55f8479f92717a5a2df6e034c978e488b29ac7e9fa0f9fa7cebe256ab4e31291"},"schema_version":"1.0"},"canonical_sha256":"069e3c91f218ed87d2f5602ed81135d81da3516850223b49186393c335cfcc3f","source":{"kind":"arxiv","id":"2608.04171","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.04171","created_at":"2026-08-06T01:30:45Z"},{"alias_kind":"arxiv_version","alias_value":"2608.04171v1","created_at":"2026-08-06T01:30:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.04171","created_at":"2026-08-06T01:30:45Z"},{"alias_kind":"pith_short_12","alias_value":"A2PDZEPSDDWY","created_at":"2026-08-06T01:30:45Z"},{"alias_kind":"pith_short_16","alias_value":"A2PDZEPSDDWYPUXV","created_at":"2026-08-06T01:30:45Z"},{"alias_kind":"pith_short_8","alias_value":"A2PDZEPS","created_at":"2026-08-06T01:30:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:A2PDZEPSDDWYPUXVMAXNQEJV3A","target":"record","payload":{"canonical_record":{"source":{"id":"2608.04171","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-08-04T19:30:19Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"a437cbdf6c7c6da8ef8a38704bb599a3a8472f1a0d13d1464aef127673c12322","abstract_canon_sha256":"55f8479f92717a5a2df6e034c978e488b29ac7e9fa0f9fa7cebe256ab4e31291"},"schema_version":"1.0"},"canonical_sha256":"069e3c91f218ed87d2f5602ed81135d81da3516850223b49186393c335cfcc3f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-06T01:30:45.617060Z","signature_b64":"kRb/Knv5zV3v5j5hIjbnaW1xbUol+yY0Wp2pvdg4ZfaYr6QIKnBqQW5rE2QESBI5JvCJBIH/KAeBCWtMsJX6Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"069e3c91f218ed87d2f5602ed81135d81da3516850223b49186393c335cfcc3f","last_reissued_at":"2026-08-06T01:30:45.615456Z","signature_status":"signed_v1","first_computed_at":"2026-08-06T01:30:45.615456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.04171","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":"2026-08-06T01:30:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ymp7cGBZM6n0ocxQzG78QJHZsHFqfaw78+2lHv2VKdHEDtWtrXTqLoVZq+5tsOzyrj7KBNg3D+M8fXHinmLoBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T13:51:43.183463Z"},"content_sha256":"66c1cc8a6c2c51fcf4f61af148c25f0777d721b1cdcb304096d5df09ea553800","schema_version":"1.0","event_id":"sha256:66c1cc8a6c2c51fcf4f61af148c25f0777d721b1cdcb304096d5df09ea553800"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:A2PDZEPSDDWYPUXVMAXNQEJV3A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Computational Methods and GPU Acceleration in Plasma Physics: A Empirical Analysis of arXiv Publications and Research Trends","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.plasm-ph","authors_text":"Anders Brostrom, Jeremy J. Williams, Stefano Markidis","submitted_at":"2026-08-04T19:30:19Z","abstract_excerpt":"Computational plasma physics increasingly relies on high-performance computing (HPC) methods, including particle-in-cell (PIC), gyrokinetic, and magnetohydrodynamic (MHD) simulations, yet field-wide evidence on how method choice, team size, and GPU adoption shape research outputs remains limited. We analyze 5,522 computational plasma physics papers published on arXiv between 2010 and 2025 using large-scale text mining, employing abstract length as a proxy for methodological and algorithmic complexity. Using ordinary least squares (OLS), tobit, and logistic regression models, we examine how abs"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.04171","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/2608.04171/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":"2026-08-06T01:30:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mxG152xX/+2+FStYQ+0SeHcoLOY43KJZ2sIUYFKNaxs8/3dxFlaaSDWHpJQPGg5Vh1dPm8gZzFRYHubrYUAVDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T13:51:43.183949Z"},"content_sha256":"ef69bb85001b6485b18d2a9f91c2bfc0fce3a3608291eac1db7db86c316057ea","schema_version":"1.0","event_id":"sha256:ef69bb85001b6485b18d2a9f91c2bfc0fce3a3608291eac1db7db86c316057ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A2PDZEPSDDWYPUXVMAXNQEJV3A/bundle.json","state_url":"https://pith.science/pith/A2PDZEPSDDWYPUXVMAXNQEJV3A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A2PDZEPSDDWYPUXVMAXNQEJV3A/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":"2026-08-15T13:51:43Z","links":{"resolver":"https://pith.science/pith/A2PDZEPSDDWYPUXVMAXNQEJV3A","bundle":"https://pith.science/pith/A2PDZEPSDDWYPUXVMAXNQEJV3A/bundle.json","state":"https://pith.science/pith/A2PDZEPSDDWYPUXVMAXNQEJV3A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A2PDZEPSDDWYPUXVMAXNQEJV3A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:A2PDZEPSDDWYPUXVMAXNQEJV3A","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":"55f8479f92717a5a2df6e034c978e488b29ac7e9fa0f9fa7cebe256ab4e31291","cross_cats_sorted":["physics.comp-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-08-04T19:30:19Z","title_canon_sha256":"a437cbdf6c7c6da8ef8a38704bb599a3a8472f1a0d13d1464aef127673c12322"},"schema_version":"1.0","source":{"id":"2608.04171","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.04171","created_at":"2026-08-06T01:30:45Z"},{"alias_kind":"arxiv_version","alias_value":"2608.04171v1","created_at":"2026-08-06T01:30:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.04171","created_at":"2026-08-06T01:30:45Z"},{"alias_kind":"pith_short_12","alias_value":"A2PDZEPSDDWY","created_at":"2026-08-06T01:30:45Z"},{"alias_kind":"pith_short_16","alias_value":"A2PDZEPSDDWYPUXV","created_at":"2026-08-06T01:30:45Z"},{"alias_kind":"pith_short_8","alias_value":"A2PDZEPS","created_at":"2026-08-06T01:30:45Z"}],"graph_snapshots":[{"event_id":"sha256:ef69bb85001b6485b18d2a9f91c2bfc0fce3a3608291eac1db7db86c316057ea","target":"graph","created_at":"2026-08-06T01:30:45Z","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/2608.04171/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Computational plasma physics increasingly relies on high-performance computing (HPC) methods, including particle-in-cell (PIC), gyrokinetic, and magnetohydrodynamic (MHD) simulations, yet field-wide evidence on how method choice, team size, and GPU adoption shape research outputs remains limited. We analyze 5,522 computational plasma physics papers published on arXiv between 2010 and 2025 using large-scale text mining, employing abstract length as a proxy for methodological and algorithmic complexity. Using ordinary least squares (OLS), tobit, and logistic regression models, we examine how abs","authors_text":"Anders Brostrom, Jeremy J. Williams, Stefano Markidis","cross_cats":["physics.comp-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-08-04T19:30:19Z","title":"Computational Methods and GPU Acceleration in Plasma Physics: A Empirical Analysis of arXiv Publications and Research Trends"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.04171","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":"sha256:66c1cc8a6c2c51fcf4f61af148c25f0777d721b1cdcb304096d5df09ea553800","target":"record","created_at":"2026-08-06T01:30:45Z","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":"55f8479f92717a5a2df6e034c978e488b29ac7e9fa0f9fa7cebe256ab4e31291","cross_cats_sorted":["physics.comp-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-08-04T19:30:19Z","title_canon_sha256":"a437cbdf6c7c6da8ef8a38704bb599a3a8472f1a0d13d1464aef127673c12322"},"schema_version":"1.0","source":{"id":"2608.04171","kind":"arxiv","version":1}},"canonical_sha256":"069e3c91f218ed87d2f5602ed81135d81da3516850223b49186393c335cfcc3f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"069e3c91f218ed87d2f5602ed81135d81da3516850223b49186393c335cfcc3f","first_computed_at":"2026-08-06T01:30:45.615456Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-06T01:30:45.615456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kRb/Knv5zV3v5j5hIjbnaW1xbUol+yY0Wp2pvdg4ZfaYr6QIKnBqQW5rE2QESBI5JvCJBIH/KAeBCWtMsJX6Bg==","signature_status":"signed_v1","signed_at":"2026-08-06T01:30:45.617060Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.04171","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:66c1cc8a6c2c51fcf4f61af148c25f0777d721b1cdcb304096d5df09ea553800","sha256:ef69bb85001b6485b18d2a9f91c2bfc0fce3a3608291eac1db7db86c316057ea"],"state_sha256":"2abff7a7a0e2c16e3fd7412fb25eef38d7c393654295aa324058ded63038cb02"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EtEsaRQcfBvxNMQWNETL4NWheQShgvR91c8bC6h7aXLju/QinlYjE2CO/cBn9S6nEzRVjO3sqQCxofynh7nVAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T13:51:43.187449Z","bundle_sha256":"b50783e62332c68201ba1febbb37c963faaf9fc2ee9a5b032ec3f468993596d2"}}