{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:X4XXUKT3MIXPXKHW7T23V24TNX","short_pith_number":"pith:X4XXUKT3","canonical_record":{"source":{"id":"1104.3998","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-04-20T11:16:11Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"579039f421e60f605986d66afc97be91a562b2b4e45f74f2f3f54be05c8ee95f","abstract_canon_sha256":"418e8672dce9d9d59563bf9a356dd7726d1b9b32be6d49a6efab45b1688890c0"},"schema_version":"1.0"},"canonical_sha256":"bf2f7a2a7b622efba8f6fcf5baeb936df5bceba49a855c0c1e8da43ac54e2c99","source":{"kind":"arxiv","id":"1104.3998","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.3998","created_at":"2026-05-18T02:02:17Z"},{"alias_kind":"arxiv_version","alias_value":"1104.3998v1","created_at":"2026-05-18T02:02:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.3998","created_at":"2026-05-18T02:02:17Z"},{"alias_kind":"pith_short_12","alias_value":"X4XXUKT3MIXP","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"X4XXUKT3MIXPXKHW","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"X4XXUKT3","created_at":"2026-05-18T12:26:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:X4XXUKT3MIXPXKHW7T23V24TNX","target":"record","payload":{"canonical_record":{"source":{"id":"1104.3998","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-04-20T11:16:11Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"579039f421e60f605986d66afc97be91a562b2b4e45f74f2f3f54be05c8ee95f","abstract_canon_sha256":"418e8672dce9d9d59563bf9a356dd7726d1b9b32be6d49a6efab45b1688890c0"},"schema_version":"1.0"},"canonical_sha256":"bf2f7a2a7b622efba8f6fcf5baeb936df5bceba49a855c0c1e8da43ac54e2c99","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:17.534256Z","signature_b64":"1dLzsnSK3+f3XeVhJ6S5eZMpR0qWLsawOZi2PdvrOqtsaL/vPPMdxnUlhljOSqgivZwl9+e2kieLhuqeb1EHAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf2f7a2a7b622efba8f6fcf5baeb936df5bceba49a855c0c1e8da43ac54e2c99","last_reissued_at":"2026-05-18T02:02:17.533540Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:17.533540Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.3998","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":"2026-05-18T02:02:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ImICJkILzKRR8DLNdGoPr00eyzlbulUsDNlampXZgIQejM9KsiYqt3m5pHam7SrlioRu6nHfCGzGsDA0HWitCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:27:47.691131Z"},"content_sha256":"fc3ddf27b512550236b0968795d38697443d55fb4f41e3993427e8db04734657","schema_version":"1.0","event_id":"sha256:fc3ddf27b512550236b0968795d38697443d55fb4f41e3993427e8db04734657"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:X4XXUKT3MIXPXKHW7T23V24TNX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fine-sorting One-dimensional Particle-In-Cell Algorithm with Monte-Carlo Collisions on a Graphics Processing Unit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.plasm-ph","authors_text":"Denis Eremin, Peter Awakowicz, Philipp Mertmann, Ralf Peter Brinkmann, Thomas Mussenbrock","submitted_at":"2011-04-20T11:16:11Z","abstract_excerpt":"Particle-in-cell (PIC) simulations with Monte-Carlo collisions are used in plasma science to explore a variety of kinetic effects. One major problem is the long run-time of such simulations. Even on modern computer systems, PIC codes take a considerable amount of time for convergence. Most of the computations can be massively parallelized, since particles behave independently of each other within one time step. Current graphics processing units (GPUs) offer an attractive means for execution of the parallelized code. In this contribution we show a one-dimensional PIC code running on Nvidia GPUs"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.3998","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":""},"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":"2026-05-18T02:02:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IRL3Qn6QUIuh3IiEL1+vd1N5J/4pvw0rlTq/3ADa8eQ6w2ElFdkte710X91v0jJxjptuESw+2r10uKcjm4YODg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:27:47.691511Z"},"content_sha256":"526c02e62dca20f9af26a1a54b9a4ccab3623a5fa870bcd8e6069562fd921273","schema_version":"1.0","event_id":"sha256:526c02e62dca20f9af26a1a54b9a4ccab3623a5fa870bcd8e6069562fd921273"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X4XXUKT3MIXPXKHW7T23V24TNX/bundle.json","state_url":"https://pith.science/pith/X4XXUKT3MIXPXKHW7T23V24TNX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X4XXUKT3MIXPXKHW7T23V24TNX/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":"2026-06-05T15:27:47Z","links":{"resolver":"https://pith.science/pith/X4XXUKT3MIXPXKHW7T23V24TNX","bundle":"https://pith.science/pith/X4XXUKT3MIXPXKHW7T23V24TNX/bundle.json","state":"https://pith.science/pith/X4XXUKT3MIXPXKHW7T23V24TNX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X4XXUKT3MIXPXKHW7T23V24TNX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:X4XXUKT3MIXPXKHW7T23V24TNX","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":"418e8672dce9d9d59563bf9a356dd7726d1b9b32be6d49a6efab45b1688890c0","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-04-20T11:16:11Z","title_canon_sha256":"579039f421e60f605986d66afc97be91a562b2b4e45f74f2f3f54be05c8ee95f"},"schema_version":"1.0","source":{"id":"1104.3998","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.3998","created_at":"2026-05-18T02:02:17Z"},{"alias_kind":"arxiv_version","alias_value":"1104.3998v1","created_at":"2026-05-18T02:02:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.3998","created_at":"2026-05-18T02:02:17Z"},{"alias_kind":"pith_short_12","alias_value":"X4XXUKT3MIXP","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"X4XXUKT3MIXPXKHW","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"X4XXUKT3","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:526c02e62dca20f9af26a1a54b9a4ccab3623a5fa870bcd8e6069562fd921273","target":"graph","created_at":"2026-05-18T02:02:17Z","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"},"paper":{"abstract_excerpt":"Particle-in-cell (PIC) simulations with Monte-Carlo collisions are used in plasma science to explore a variety of kinetic effects. One major problem is the long run-time of such simulations. Even on modern computer systems, PIC codes take a considerable amount of time for convergence. Most of the computations can be massively parallelized, since particles behave independently of each other within one time step. Current graphics processing units (GPUs) offer an attractive means for execution of the parallelized code. In this contribution we show a one-dimensional PIC code running on Nvidia GPUs","authors_text":"Denis Eremin, Peter Awakowicz, Philipp Mertmann, Ralf Peter Brinkmann, Thomas Mussenbrock","cross_cats":["physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-04-20T11:16:11Z","title":"Fine-sorting One-dimensional Particle-In-Cell Algorithm with Monte-Carlo Collisions on a Graphics Processing Unit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.3998","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:fc3ddf27b512550236b0968795d38697443d55fb4f41e3993427e8db04734657","target":"record","created_at":"2026-05-18T02:02:17Z","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":"418e8672dce9d9d59563bf9a356dd7726d1b9b32be6d49a6efab45b1688890c0","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2011-04-20T11:16:11Z","title_canon_sha256":"579039f421e60f605986d66afc97be91a562b2b4e45f74f2f3f54be05c8ee95f"},"schema_version":"1.0","source":{"id":"1104.3998","kind":"arxiv","version":1}},"canonical_sha256":"bf2f7a2a7b622efba8f6fcf5baeb936df5bceba49a855c0c1e8da43ac54e2c99","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf2f7a2a7b622efba8f6fcf5baeb936df5bceba49a855c0c1e8da43ac54e2c99","first_computed_at":"2026-05-18T02:02:17.533540Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:17.533540Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1dLzsnSK3+f3XeVhJ6S5eZMpR0qWLsawOZi2PdvrOqtsaL/vPPMdxnUlhljOSqgivZwl9+e2kieLhuqeb1EHAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:17.534256Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.3998","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc3ddf27b512550236b0968795d38697443d55fb4f41e3993427e8db04734657","sha256:526c02e62dca20f9af26a1a54b9a4ccab3623a5fa870bcd8e6069562fd921273"],"state_sha256":"686e1eedaae34b6fd745f25c31a1f66eb07fa97c6b823a626e4dba09549cf5cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ogMmIe3XzeiyvO+L8md2xtpOSvKCLlpwrY6kxYhWHL3CvoPB+EWTPhqwLaZAPgWn/eSYkGVaNNPqsuvakJApCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T15:27:47.693466Z","bundle_sha256":"cb70e3318336e33dba1567d8aa2ce41b7d555b5449e784114c305405f5131dd9"}}