{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:ND66TBIMNTTUGSFRKYCI7TXAGV","short_pith_number":"pith:ND66TBIM","canonical_record":{"source":{"id":"2607.28305","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-30T14:44:09Z","cross_cats_sorted":[],"title_canon_sha256":"63c46c05aa3b03b2009b6563e296d99bbc8818218c4dd0134c083c6944d84e82","abstract_canon_sha256":"6c397b0f65c042121ca34f6a969d476cce813028a4731b405281f957e676ac07"},"schema_version":"1.0"},"canonical_sha256":"68fde9850c6ce74348b156048fcee0356771a621b6dbc50822aaef19ffa15a23","source":{"kind":"arxiv","id":"2607.28305","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.28305","created_at":"2026-07-31T01:37:11Z"},{"alias_kind":"arxiv_version","alias_value":"2607.28305v1","created_at":"2026-07-31T01:37:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.28305","created_at":"2026-07-31T01:37:11Z"},{"alias_kind":"pith_short_12","alias_value":"ND66TBIMNTTU","created_at":"2026-07-31T01:37:11Z"},{"alias_kind":"pith_short_16","alias_value":"ND66TBIMNTTUGSFR","created_at":"2026-07-31T01:37:11Z"},{"alias_kind":"pith_short_8","alias_value":"ND66TBIM","created_at":"2026-07-31T01:37:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:ND66TBIMNTTUGSFRKYCI7TXAGV","target":"record","payload":{"canonical_record":{"source":{"id":"2607.28305","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-30T14:44:09Z","cross_cats_sorted":[],"title_canon_sha256":"63c46c05aa3b03b2009b6563e296d99bbc8818218c4dd0134c083c6944d84e82","abstract_canon_sha256":"6c397b0f65c042121ca34f6a969d476cce813028a4731b405281f957e676ac07"},"schema_version":"1.0"},"canonical_sha256":"68fde9850c6ce74348b156048fcee0356771a621b6dbc50822aaef19ffa15a23","receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68fde9850c6ce74348b156048fcee0356771a621b6dbc50822aaef19ffa15a23","last_reissued_at":"2026-07-31T01:37:11.510773Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-31T01:37:11.510773Z"},"source_kind":"arxiv","source_id":"2607.28305","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":"2026-07-31T01:37:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eFjdIpGFSi/jQ7ZnZfvaHQe2hfWeEmFXbKvrV8BeTWfjnPR6M0wmUlQE21MbsLPDgO2yIkyotHaHFUPzmz/FDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T08:38:57.289654Z"},"content_sha256":"d42976cc66020790514b72fb068e087274fec452f567bdf5d121bf340c5a238f","schema_version":"1.0","event_id":"sha256:d42976cc66020790514b72fb068e087274fec452f567bdf5d121bf340c5a238f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:ND66TBIMNTTUGSFRKYCI7TXAGV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Variational Formulation of a Hybrid Kinetic and Gyrokinetic Model for Astrophysical and Laboratory Plasmas","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"A. Mustonen, D. Told, F. Jenko, F. N. deOliveira-Lopes, K. Hagiwara, K. Pommois, R. Grauer, S. C. Thatikonda","submitted_at":"2026-07-30T14:44:09Z","abstract_excerpt":"We present a Lagrangian model that encapsulates fully kinetic ions and gyrokinetic electrons for solar wind electromagnetic turbulence. Using a consistent method, where both electrons and protons are treated with the same mathematical formalism, we derive and implement a model in which high-frequency waves and kinetic electron effects are described in a computationally cost-efficient way. Higher-order Lie-transform perturbation methods applied to Hamiltonian formulation of guiding center motion are used to describe the dynamics of particles and fields. We use a variational approach to derive f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.28305","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/2607.28305/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":"2026-07-31T01:37:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lalx4Y5ChhH9/3TP31N9lIslW6edZ7raVXKGEtm64wI7380Gng6S1SCuaB7RXp03NH0Trr54YC5XLY6AzlCiCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T08:38:57.290165Z"},"content_sha256":"4b23e352533ffec555e1e6795f74830a98d4a3b29bb142fbb40c09d2f633bb18","schema_version":"1.0","event_id":"sha256:4b23e352533ffec555e1e6795f74830a98d4a3b29bb142fbb40c09d2f633bb18"},{"event_type":"integrity_finding","subject_pith_number":"pith:2026:ND66TBIMNTTUGSFRKYCI7TXAGV","target":"integrity","payload":{"note":"DOI in the printed bibliography is fragmented by whitespace or line breaks. A longer candidate (10.3847/1538-4365/ab5853) was visible in the surrounding text but could not be confirmed against doi.org as printed.","snippet":"Dudok de Wit, Thierry and Krasnoselskikh, Vladimir V. and Bale, Stuart D. and Bonnell, John W. and Bowen, Trevor A. and Chen, Christopher H. K. and Froment, Clara and Goetz, Keith and Harvey, Peter R. and Jagarlamudi, Vamsee Krishna and Lar","arxiv_id":"2607.28305","detector":"doi_compliance","evidence":{"ref_index":36,"verdict_class":"incontrovertible","resolved_title":null,"printed_excerpt":"10.3847/1538-4365/ab585","reconstructed_doi":"10.3847/1538-4365/ab5853"},"severity":"advisory","ref_index":36,"audited_at":"2026-07-31T11:51:54.670147Z","event_type":"pith.integrity.v1","detected_doi":"10.3847/1538-4365/ab5853","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"recoverable_identifier","evidence_hash":"01311dcce6ced5679f3cf5cae5a0a96ee53c6178ca593580183913b33db2e188","paper_version":1,"verdict_class":"incontrovertible","resolved_title":null,"detector_version":"1.1.0","detected_arxiv_id":null,"integrity_event_id":14355,"payload_sha256":"1d52fac9b9c17112bc83316273a7a9459b2d9da17fd7b830df88262bcb9935e1","signature_b64":null,"signing_key_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-31T11:56:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yVVjI0RveI92bdxgkQNqgC+6K+64H4hd+TZI4aBgLMEg2J3+5VCvrZCEHTsWKN+63+XU4gShjeVI3u/LwFHdAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T08:38:57.292955Z"},"content_sha256":"0bdd9f4f57115dbb067e310b7ceeaf62bcc2b999f2a237dcb34380a1f8690e59","schema_version":"1.0","event_id":"sha256:0bdd9f4f57115dbb067e310b7ceeaf62bcc2b999f2a237dcb34380a1f8690e59"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ND66TBIMNTTUGSFRKYCI7TXAGV/bundle.json","state_url":"https://pith.science/pith/ND66TBIMNTTUGSFRKYCI7TXAGV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ND66TBIMNTTUGSFRKYCI7TXAGV/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":"2026-08-15T08:38:57Z","links":{"resolver":"https://pith.science/pith/ND66TBIMNTTUGSFRKYCI7TXAGV","bundle":"https://pith.science/pith/ND66TBIMNTTUGSFRKYCI7TXAGV/bundle.json","state":"https://pith.science/pith/ND66TBIMNTTUGSFRKYCI7TXAGV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ND66TBIMNTTUGSFRKYCI7TXAGV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ND66TBIMNTTUGSFRKYCI7TXAGV","merge_version":"pith-open-graph-merge-v1","event_count":3,"valid_event_count":3,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"6c397b0f65c042121ca34f6a969d476cce813028a4731b405281f957e676ac07","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-30T14:44:09Z","title_canon_sha256":"63c46c05aa3b03b2009b6563e296d99bbc8818218c4dd0134c083c6944d84e82"},"schema_version":"1.0","source":{"id":"2607.28305","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.28305","created_at":"2026-07-31T01:37:11Z"},{"alias_kind":"arxiv_version","alias_value":"2607.28305v1","created_at":"2026-07-31T01:37:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.28305","created_at":"2026-07-31T01:37:11Z"},{"alias_kind":"pith_short_12","alias_value":"ND66TBIMNTTU","created_at":"2026-07-31T01:37:11Z"},{"alias_kind":"pith_short_16","alias_value":"ND66TBIMNTTUGSFR","created_at":"2026-07-31T01:37:11Z"},{"alias_kind":"pith_short_8","alias_value":"ND66TBIM","created_at":"2026-07-31T01:37:11Z"}],"graph_snapshots":[{"event_id":"sha256:4b23e352533ffec555e1e6795f74830a98d4a3b29bb142fbb40c09d2f633bb18","target":"graph","created_at":"2026-07-31T01:37:11Z","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/2607.28305/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a Lagrangian model that encapsulates fully kinetic ions and gyrokinetic electrons for solar wind electromagnetic turbulence. Using a consistent method, where both electrons and protons are treated with the same mathematical formalism, we derive and implement a model in which high-frequency waves and kinetic electron effects are described in a computationally cost-efficient way. Higher-order Lie-transform perturbation methods applied to Hamiltonian formulation of guiding center motion are used to describe the dynamics of particles and fields. We use a variational approach to derive f","authors_text":"A. Mustonen, D. Told, F. Jenko, F. N. deOliveira-Lopes, K. Hagiwara, K. Pommois, R. Grauer, S. C. Thatikonda","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-30T14:44:09Z","title":"Variational Formulation of a Hybrid Kinetic and Gyrokinetic Model for Astrophysical and Laboratory Plasmas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.28305","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:d42976cc66020790514b72fb068e087274fec452f567bdf5d121bf340c5a238f","target":"record","created_at":"2026-07-31T01:37:11Z","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":"6c397b0f65c042121ca34f6a969d476cce813028a4731b405281f957e676ac07","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-07-30T14:44:09Z","title_canon_sha256":"63c46c05aa3b03b2009b6563e296d99bbc8818218c4dd0134c083c6944d84e82"},"schema_version":"1.0","source":{"id":"2607.28305","kind":"arxiv","version":1}},"canonical_sha256":"68fde9850c6ce74348b156048fcee0356771a621b6dbc50822aaef19ffa15a23","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68fde9850c6ce74348b156048fcee0356771a621b6dbc50822aaef19ffa15a23","first_computed_at":"2026-07-31T01:37:11.510773Z","kind":"pith_receipt","last_reissued_at":"2026-07-31T01:37:11.510773Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2607.28305","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d42976cc66020790514b72fb068e087274fec452f567bdf5d121bf340c5a238f","sha256:4b23e352533ffec555e1e6795f74830a98d4a3b29bb142fbb40c09d2f633bb18","sha256:0bdd9f4f57115dbb067e310b7ceeaf62bcc2b999f2a237dcb34380a1f8690e59"],"state_sha256":"922a886719bb644e26870c6c79c11510ec105add7019b14b99100c673bfe0f9b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SqT1uIZs7aZteLL8gEUdRE9b3zRhols/u7E8i8PaCPflW/46V23rZvFlM12Q5YUxacE1UG0SyW2rlIliFl4OBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T08:38:57.295110Z","bundle_sha256":"f4ec93cc87d963580291cfc60bc645d74489c6a72358d4565494b5260fcd59be"}}