{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:JQFND5EQYYB74RUWD6IGKLFY4J","short_pith_number":"pith:JQFND5EQ","canonical_record":{"source":{"id":"2511.11322","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-11-14T13:59:12Z","cross_cats_sorted":["cs.NA","math.NA"],"title_canon_sha256":"90c392e8f64061a4b74e4bd427f76bebcc382a3b006c64e4140fad3a66daabf0","abstract_canon_sha256":"f7b1542c955eab9cce0a3aa4440feb6ded6a3f08fe0d9a78bff71e549ebfd8bc"},"schema_version":"1.0"},"canonical_sha256":"4c0ad1f490c603fe46961f90652cb8e27851b40bcb247588742f2262cd6abb55","source":{"kind":"arxiv","id":"2511.11322","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.11322","created_at":"2026-07-03T01:17:14Z"},{"alias_kind":"arxiv_version","alias_value":"2511.11322v2","created_at":"2026-07-03T01:17:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.11322","created_at":"2026-07-03T01:17:14Z"},{"alias_kind":"pith_short_12","alias_value":"JQFND5EQYYB7","created_at":"2026-07-03T01:17:14Z"},{"alias_kind":"pith_short_16","alias_value":"JQFND5EQYYB74RUW","created_at":"2026-07-03T01:17:14Z"},{"alias_kind":"pith_short_8","alias_value":"JQFND5EQ","created_at":"2026-07-03T01:17:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:JQFND5EQYYB74RUWD6IGKLFY4J","target":"record","payload":{"canonical_record":{"source":{"id":"2511.11322","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-11-14T13:59:12Z","cross_cats_sorted":["cs.NA","math.NA"],"title_canon_sha256":"90c392e8f64061a4b74e4bd427f76bebcc382a3b006c64e4140fad3a66daabf0","abstract_canon_sha256":"f7b1542c955eab9cce0a3aa4440feb6ded6a3f08fe0d9a78bff71e549ebfd8bc"},"schema_version":"1.0"},"canonical_sha256":"4c0ad1f490c603fe46961f90652cb8e27851b40bcb247588742f2262cd6abb55","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-03T01:17:14.794205Z","signature_b64":"+uboQY2V3Z3eRDHjvt52U9tuxQAU6XzPGrhZYgaez43kk84r9NZV9QEDkJ4YFgRm+oEsGADWenB0aIgA3MNWCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c0ad1f490c603fe46961f90652cb8e27851b40bcb247588742f2262cd6abb55","last_reissued_at":"2026-07-03T01:17:14.793744Z","signature_status":"signed_v1","first_computed_at":"2026-07-03T01:17:14.793744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2511.11322","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":"2026-07-03T01:17:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9K7sdQN0Epq5IauCR+WkNgO2ugXJbGd/5ICB/NQ738OUjKnHLdqizSYajQjVTtYzymXWiEzdboSY1ZMuxbcTAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:53:40.936354Z"},"content_sha256":"b4aadab9aa0c95f86b638625e46c1655a3bfc0c52ac5fcc6cf4f278f3e7d2133","schema_version":"1.0","event_id":"sha256:b4aadab9aa0c95f86b638625e46c1655a3bfc0c52ac5fcc6cf4f278f3e7d2133"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:JQFND5EQYYB74RUWD6IGKLFY4J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extending the Numerical Flow Iteration to the multi-species Vlasov-Maxwell system through Hamiltonian Splitting","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NA","math.NA"],"primary_cat":"physics.plasm-ph","authors_text":"Fabio Bacchini, Manuel Torrilhon, Matthias Kirchhart, Melina Merkel, Rostislav-Paul Wilhelm, Sebastian Sch\\\"ops","submitted_at":"2025-11-14T13:59:12Z","abstract_excerpt":"The Numerical Flow Iteration (NuFI) method has recently been proposed as a memory-slim while accurate in phase-space method for the electro-static Vlasov--Poisson system. It stores the temporal evolution of the electric field, instead of the distribution functions, and reconstructs the solution in each time step by following the characteristics backwards in time and reconstructing the solution from the initial distribution. NuFI has been shown to be more accurate than other state-of-the-art electro-static Vlasov solvers given the same amount of degrees of freedom. In this paper, we build on th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.11322","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/2511.11322/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":"2026-07-03T01:17:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gfV1tDHKQp+hWVEPFNb32PR7TpLI5ZQagBAfWXz2pgdJMEBv6Tc10o8jl6J/RQzNJbtqGw0lGO2Vuj+RJPM2DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:53:40.937229Z"},"content_sha256":"3d0be3375b39503b278f7a0e8ebe42c66bc462db799ecc15ef70518933a3392c","schema_version":"1.0","event_id":"sha256:3d0be3375b39503b278f7a0e8ebe42c66bc462db799ecc15ef70518933a3392c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JQFND5EQYYB74RUWD6IGKLFY4J/bundle.json","state_url":"https://pith.science/pith/JQFND5EQYYB74RUWD6IGKLFY4J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JQFND5EQYYB74RUWD6IGKLFY4J/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":"2026-08-04T14:53:40Z","links":{"resolver":"https://pith.science/pith/JQFND5EQYYB74RUWD6IGKLFY4J","bundle":"https://pith.science/pith/JQFND5EQYYB74RUWD6IGKLFY4J/bundle.json","state":"https://pith.science/pith/JQFND5EQYYB74RUWD6IGKLFY4J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JQFND5EQYYB74RUWD6IGKLFY4J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:JQFND5EQYYB74RUWD6IGKLFY4J","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":"f7b1542c955eab9cce0a3aa4440feb6ded6a3f08fe0d9a78bff71e549ebfd8bc","cross_cats_sorted":["cs.NA","math.NA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-11-14T13:59:12Z","title_canon_sha256":"90c392e8f64061a4b74e4bd427f76bebcc382a3b006c64e4140fad3a66daabf0"},"schema_version":"1.0","source":{"id":"2511.11322","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.11322","created_at":"2026-07-03T01:17:14Z"},{"alias_kind":"arxiv_version","alias_value":"2511.11322v2","created_at":"2026-07-03T01:17:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.11322","created_at":"2026-07-03T01:17:14Z"},{"alias_kind":"pith_short_12","alias_value":"JQFND5EQYYB7","created_at":"2026-07-03T01:17:14Z"},{"alias_kind":"pith_short_16","alias_value":"JQFND5EQYYB74RUW","created_at":"2026-07-03T01:17:14Z"},{"alias_kind":"pith_short_8","alias_value":"JQFND5EQ","created_at":"2026-07-03T01:17:14Z"}],"graph_snapshots":[{"event_id":"sha256:3d0be3375b39503b278f7a0e8ebe42c66bc462db799ecc15ef70518933a3392c","target":"graph","created_at":"2026-07-03T01:17:14Z","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/2511.11322/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Numerical Flow Iteration (NuFI) method has recently been proposed as a memory-slim while accurate in phase-space method for the electro-static Vlasov--Poisson system. It stores the temporal evolution of the electric field, instead of the distribution functions, and reconstructs the solution in each time step by following the characteristics backwards in time and reconstructing the solution from the initial distribution. NuFI has been shown to be more accurate than other state-of-the-art electro-static Vlasov solvers given the same amount of degrees of freedom. In this paper, we build on th","authors_text":"Fabio Bacchini, Manuel Torrilhon, Matthias Kirchhart, Melina Merkel, Rostislav-Paul Wilhelm, Sebastian Sch\\\"ops","cross_cats":["cs.NA","math.NA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-11-14T13:59:12Z","title":"Extending the Numerical Flow Iteration to the multi-species Vlasov-Maxwell system through Hamiltonian Splitting"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.11322","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:b4aadab9aa0c95f86b638625e46c1655a3bfc0c52ac5fcc6cf4f278f3e7d2133","target":"record","created_at":"2026-07-03T01:17:14Z","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":"f7b1542c955eab9cce0a3aa4440feb6ded6a3f08fe0d9a78bff71e549ebfd8bc","cross_cats_sorted":["cs.NA","math.NA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-11-14T13:59:12Z","title_canon_sha256":"90c392e8f64061a4b74e4bd427f76bebcc382a3b006c64e4140fad3a66daabf0"},"schema_version":"1.0","source":{"id":"2511.11322","kind":"arxiv","version":2}},"canonical_sha256":"4c0ad1f490c603fe46961f90652cb8e27851b40bcb247588742f2262cd6abb55","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c0ad1f490c603fe46961f90652cb8e27851b40bcb247588742f2262cd6abb55","first_computed_at":"2026-07-03T01:17:14.793744Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-03T01:17:14.793744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+uboQY2V3Z3eRDHjvt52U9tuxQAU6XzPGrhZYgaez43kk84r9NZV9QEDkJ4YFgRm+oEsGADWenB0aIgA3MNWCQ==","signature_status":"signed_v1","signed_at":"2026-07-03T01:17:14.794205Z","signed_message":"canonical_sha256_bytes"},"source_id":"2511.11322","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4aadab9aa0c95f86b638625e46c1655a3bfc0c52ac5fcc6cf4f278f3e7d2133","sha256:3d0be3375b39503b278f7a0e8ebe42c66bc462db799ecc15ef70518933a3392c"],"state_sha256":"22884e0e2205a46d1af2b9cef9e627f525a8445f354796e80a86836968164e53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WjytKGLvT2tTZnMe9mtR25On5Efxu/O7+0ufRFfUsPAb+uFZiDGbxW/PCe4hba/qXmG32ocJVuzHSKQXCEi8AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T14:53:40.943858Z","bundle_sha256":"b31f2020438368f985926029ef0705c151efb81a63f15873be762eefb2abe3b6"}}