{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:PRNEY2BYSPWBU5DGUBNZTJX4QP","short_pith_number":"pith:PRNEY2BY","canonical_record":{"source":{"id":"2008.08169","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2020-08-18T22:17:30Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"c4dc43d76bfd03eafe71858c02cbc4097d403204cb8ee4be2ff1e14b95702bcb","abstract_canon_sha256":"6a774ddb91b35bd73b6de609172323537d8a98c0e7736445a934e6a75799e1e4"},"schema_version":"1.0"},"canonical_sha256":"7c5a4c683893ec1a7466a05b99a6fc83fe7e1c79b1bc32eab0c7adc7076f7e60","source":{"kind":"arxiv","id":"2008.08169","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.08169","created_at":"2026-07-05T01:44:50Z"},{"alias_kind":"arxiv_version","alias_value":"2008.08169v2","created_at":"2026-07-05T01:44:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.08169","created_at":"2026-07-05T01:44:50Z"},{"alias_kind":"pith_short_12","alias_value":"PRNEY2BYSPWB","created_at":"2026-07-05T01:44:50Z"},{"alias_kind":"pith_short_16","alias_value":"PRNEY2BYSPWBU5DG","created_at":"2026-07-05T01:44:50Z"},{"alias_kind":"pith_short_8","alias_value":"PRNEY2BY","created_at":"2026-07-05T01:44:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:PRNEY2BYSPWBU5DGUBNZTJX4QP","target":"record","payload":{"canonical_record":{"source":{"id":"2008.08169","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2020-08-18T22:17:30Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"c4dc43d76bfd03eafe71858c02cbc4097d403204cb8ee4be2ff1e14b95702bcb","abstract_canon_sha256":"6a774ddb91b35bd73b6de609172323537d8a98c0e7736445a934e6a75799e1e4"},"schema_version":"1.0"},"canonical_sha256":"7c5a4c683893ec1a7466a05b99a6fc83fe7e1c79b1bc32eab0c7adc7076f7e60","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:44:50.321280Z","signature_b64":"RffDw/ROuLL6wQ8o9NYMXyGsTSznukE+csGq9uERX7Riuzar3yNXJod4UFzYz2a+g6yUgm4jcLe+oV4Ru6njAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c5a4c683893ec1a7466a05b99a6fc83fe7e1c79b1bc32eab0c7adc7076f7e60","last_reissued_at":"2026-07-05T01:44:50.320783Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:44:50.320783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.08169","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":"2026-07-05T01:44:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"spkw+kP0tJ28qNFdj0rLfz6BzEP+EDkayy9e9M1pJyYX/1FvCZdbbLrFAild6EPnyDD/uVra+ZlUK1SezZsbAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T06:40:23.683062Z"},"content_sha256":"6704d2f78eb1701d1d4d57b879e5a14c4f81dedbb938648b7305138009463b7e","schema_version":"1.0","event_id":"sha256:6704d2f78eb1701d1d4d57b879e5a14c4f81dedbb938648b7305138009463b7e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:PRNEY2BYSPWBU5DGUBNZTJX4QP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Quasi-Linear Diffusion Model for Resonant Wave-Particle Instability in Homogeneous Plasma","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.plasm-ph"],"primary_cat":"physics.space-ph","authors_text":"Andrew N. Fazakerley, Daniel Verscharen, Robert T. Wicks, Seong-Yeop Jeong","submitted_at":"2020-08-18T22:17:30Z","abstract_excerpt":"In this paper, we develop a model to describe the generalized wave-particle instability in a quasi-neutral plasma. We analyze the quasi-linear diffusion equation for particles by expressing an arbitrary unstable and resonant wave mode as a Gaussian wave packet, allowing for an arbitrary direction of propagation with respect to the background magnetic field. We show that the localized energy density of the Gaussian wave packet determines the velocity-space range in which the dominant wave-particle instability and counter-acting damping contributions are effective. Moreover, we derive a relation"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.08169","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/2008.08169/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":"2026-07-05T01:44:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CrJ8m6NDH/ppHiGXCgWQAYmS31U+oh1rkNOS5QOaZOLBWINNBhU53CK9fwKXysWae2/HCoGn8VgRAWoEQKmQAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T06:40:23.683459Z"},"content_sha256":"cbccc869e966e78fe9ad556916188800567a91a66b2752ce3380c8741546d64d","schema_version":"1.0","event_id":"sha256:cbccc869e966e78fe9ad556916188800567a91a66b2752ce3380c8741546d64d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PRNEY2BYSPWBU5DGUBNZTJX4QP/bundle.json","state_url":"https://pith.science/pith/PRNEY2BYSPWBU5DGUBNZTJX4QP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PRNEY2BYSPWBU5DGUBNZTJX4QP/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":"2026-07-16T06:40:23Z","links":{"resolver":"https://pith.science/pith/PRNEY2BYSPWBU5DGUBNZTJX4QP","bundle":"https://pith.science/pith/PRNEY2BYSPWBU5DGUBNZTJX4QP/bundle.json","state":"https://pith.science/pith/PRNEY2BYSPWBU5DGUBNZTJX4QP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PRNEY2BYSPWBU5DGUBNZTJX4QP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:PRNEY2BYSPWBU5DGUBNZTJX4QP","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":"6a774ddb91b35bd73b6de609172323537d8a98c0e7736445a934e6a75799e1e4","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2020-08-18T22:17:30Z","title_canon_sha256":"c4dc43d76bfd03eafe71858c02cbc4097d403204cb8ee4be2ff1e14b95702bcb"},"schema_version":"1.0","source":{"id":"2008.08169","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.08169","created_at":"2026-07-05T01:44:50Z"},{"alias_kind":"arxiv_version","alias_value":"2008.08169v2","created_at":"2026-07-05T01:44:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.08169","created_at":"2026-07-05T01:44:50Z"},{"alias_kind":"pith_short_12","alias_value":"PRNEY2BYSPWB","created_at":"2026-07-05T01:44:50Z"},{"alias_kind":"pith_short_16","alias_value":"PRNEY2BYSPWBU5DG","created_at":"2026-07-05T01:44:50Z"},{"alias_kind":"pith_short_8","alias_value":"PRNEY2BY","created_at":"2026-07-05T01:44:50Z"}],"graph_snapshots":[{"event_id":"sha256:cbccc869e966e78fe9ad556916188800567a91a66b2752ce3380c8741546d64d","target":"graph","created_at":"2026-07-05T01:44:50Z","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/2008.08169/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we develop a model to describe the generalized wave-particle instability in a quasi-neutral plasma. We analyze the quasi-linear diffusion equation for particles by expressing an arbitrary unstable and resonant wave mode as a Gaussian wave packet, allowing for an arbitrary direction of propagation with respect to the background magnetic field. We show that the localized energy density of the Gaussian wave packet determines the velocity-space range in which the dominant wave-particle instability and counter-acting damping contributions are effective. Moreover, we derive a relation","authors_text":"Andrew N. Fazakerley, Daniel Verscharen, Robert T. Wicks, Seong-Yeop Jeong","cross_cats":["physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2020-08-18T22:17:30Z","title":"A Quasi-Linear Diffusion Model for Resonant Wave-Particle Instability in Homogeneous Plasma"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.08169","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":"sha256:6704d2f78eb1701d1d4d57b879e5a14c4f81dedbb938648b7305138009463b7e","target":"record","created_at":"2026-07-05T01:44:50Z","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":"6a774ddb91b35bd73b6de609172323537d8a98c0e7736445a934e6a75799e1e4","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2020-08-18T22:17:30Z","title_canon_sha256":"c4dc43d76bfd03eafe71858c02cbc4097d403204cb8ee4be2ff1e14b95702bcb"},"schema_version":"1.0","source":{"id":"2008.08169","kind":"arxiv","version":2}},"canonical_sha256":"7c5a4c683893ec1a7466a05b99a6fc83fe7e1c79b1bc32eab0c7adc7076f7e60","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c5a4c683893ec1a7466a05b99a6fc83fe7e1c79b1bc32eab0c7adc7076f7e60","first_computed_at":"2026-07-05T01:44:50.320783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:44:50.320783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RffDw/ROuLL6wQ8o9NYMXyGsTSznukE+csGq9uERX7Riuzar3yNXJod4UFzYz2a+g6yUgm4jcLe+oV4Ru6njAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:44:50.321280Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.08169","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6704d2f78eb1701d1d4d57b879e5a14c4f81dedbb938648b7305138009463b7e","sha256:cbccc869e966e78fe9ad556916188800567a91a66b2752ce3380c8741546d64d"],"state_sha256":"6a2c08faa323c3795e6e612dbea70280d18ba97b7caecd5b14802417809eacab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I1wFSgAbV2Cc7qBdg1nQjl7B6tZMred/wlUPyVZkWFLXabf7Ebkh91XYAuz0vnAkliOEyGbtaeKtLBUkqGKOBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-16T06:40:23.685578Z","bundle_sha256":"e6fcf990f344e72f516d83df26b0500a3044dee1a5932d36f6eff6caf377365d"}}