{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:OMHRLWRJGV24VKJOJP7UPUOJED","short_pith_number":"pith:OMHRLWRJ","canonical_record":{"source":{"id":"1211.2587","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-11-12T12:07:08Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"47822b9e40a670d5eb07449397be834e6512fe526b2b7f5eca8cdea66399b36b","abstract_canon_sha256":"5c84b5ccdb129b29c6ba5f7bafee0ce3870c82634d0024e544088eed474ca25b"},"schema_version":"1.0"},"canonical_sha256":"730f15da293575caa92e4bff47d1c920c6d78c12dc9429d4602cd147e8ee0922","source":{"kind":"arxiv","id":"1211.2587","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.2587","created_at":"2026-05-18T01:53:16Z"},{"alias_kind":"arxiv_version","alias_value":"1211.2587v1","created_at":"2026-05-18T01:53:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.2587","created_at":"2026-05-18T01:53:16Z"},{"alias_kind":"pith_short_12","alias_value":"OMHRLWRJGV24","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OMHRLWRJGV24VKJO","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OMHRLWRJ","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:OMHRLWRJGV24VKJOJP7UPUOJED","target":"record","payload":{"canonical_record":{"source":{"id":"1211.2587","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-11-12T12:07:08Z","cross_cats_sorted":["physics.plasm-ph"],"title_canon_sha256":"47822b9e40a670d5eb07449397be834e6512fe526b2b7f5eca8cdea66399b36b","abstract_canon_sha256":"5c84b5ccdb129b29c6ba5f7bafee0ce3870c82634d0024e544088eed474ca25b"},"schema_version":"1.0"},"canonical_sha256":"730f15da293575caa92e4bff47d1c920c6d78c12dc9429d4602cd147e8ee0922","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:16.796904Z","signature_b64":"Rf5GTk0soS+K1J/rMb5wB5jKfSrLDWo4NcPjqqsJUXp7oi3rTvu7aY5I7K/GiunQhmn97fIbPfiQTFmHInnWAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"730f15da293575caa92e4bff47d1c920c6d78c12dc9429d4602cd147e8ee0922","last_reissued_at":"2026-05-18T01:53:16.796456Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:16.796456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.2587","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":"2026-05-18T01:53:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Np/j0iGUBmBBJUoYegM4OdhPyPE2sDqoUiBv6n6Ujj6yzABFHiepyFqIItiOYd6lHBwl8wwcfCm0tXYpbeaBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T10:45:38.504008Z"},"content_sha256":"1256c2b9cc03e98f47f379a2a507d0c43f73456916ca2e41acbd92ab95abc007","schema_version":"1.0","event_id":"sha256:1256c2b9cc03e98f47f379a2a507d0c43f73456916ca2e41acbd92ab95abc007"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:OMHRLWRJGV24VKJOJP7UPUOJED","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Density fluctuations and the acceleration of electrons by beam-generated Langmuir waves in the solar corona","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.plasm-ph"],"primary_cat":"astro-ph.SR","authors_text":"Eduard P. Kontar, Heather Ratcliffe, Nicolas H. Bian","submitted_at":"2012-11-12T12:07:08Z","abstract_excerpt":"Non-thermal electron populations are observed throughout the heliosphere. The relaxation of an electron beam is known to produce Langmuir waves which, in turn, may substantially modify the electron distribution function. As the Langmuir waves are refracted by background density gradients and as the solar and heliospheric plasma density is naturally perturbed with various levels of inhomogeneity, the interaction of Langmuir waves with non-thermal electrons in inhomogeneous plasmas is an important topic. We investigate the role played by ambient density fluctuations on the beam-plasma relaxation"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.2587","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":"2026-05-18T01:53:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3y8FtpVx6JGGC6TsGDQBMDbd2OoCSML/Av5FexrNfZ8QQHOn79+gt9un+2w2y6QhwQ57nrYptGCXbYZccX0PBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T10:45:38.504360Z"},"content_sha256":"b10b05b548dae354084b7ea3d1bb571af6358079ed1d350daa670c8292819782","schema_version":"1.0","event_id":"sha256:b10b05b548dae354084b7ea3d1bb571af6358079ed1d350daa670c8292819782"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OMHRLWRJGV24VKJOJP7UPUOJED/bundle.json","state_url":"https://pith.science/pith/OMHRLWRJGV24VKJOJP7UPUOJED/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OMHRLWRJGV24VKJOJP7UPUOJED/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":"2026-06-01T10:45:38Z","links":{"resolver":"https://pith.science/pith/OMHRLWRJGV24VKJOJP7UPUOJED","bundle":"https://pith.science/pith/OMHRLWRJGV24VKJOJP7UPUOJED/bundle.json","state":"https://pith.science/pith/OMHRLWRJGV24VKJOJP7UPUOJED/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OMHRLWRJGV24VKJOJP7UPUOJED/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:OMHRLWRJGV24VKJOJP7UPUOJED","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":"5c84b5ccdb129b29c6ba5f7bafee0ce3870c82634d0024e544088eed474ca25b","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-11-12T12:07:08Z","title_canon_sha256":"47822b9e40a670d5eb07449397be834e6512fe526b2b7f5eca8cdea66399b36b"},"schema_version":"1.0","source":{"id":"1211.2587","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.2587","created_at":"2026-05-18T01:53:16Z"},{"alias_kind":"arxiv_version","alias_value":"1211.2587v1","created_at":"2026-05-18T01:53:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.2587","created_at":"2026-05-18T01:53:16Z"},{"alias_kind":"pith_short_12","alias_value":"OMHRLWRJGV24","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"OMHRLWRJGV24VKJO","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"OMHRLWRJ","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:b10b05b548dae354084b7ea3d1bb571af6358079ed1d350daa670c8292819782","target":"graph","created_at":"2026-05-18T01:53:16Z","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":"Non-thermal electron populations are observed throughout the heliosphere. The relaxation of an electron beam is known to produce Langmuir waves which, in turn, may substantially modify the electron distribution function. As the Langmuir waves are refracted by background density gradients and as the solar and heliospheric plasma density is naturally perturbed with various levels of inhomogeneity, the interaction of Langmuir waves with non-thermal electrons in inhomogeneous plasmas is an important topic. We investigate the role played by ambient density fluctuations on the beam-plasma relaxation","authors_text":"Eduard P. Kontar, Heather Ratcliffe, Nicolas H. Bian","cross_cats":["physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-11-12T12:07:08Z","title":"Density fluctuations and the acceleration of electrons by beam-generated Langmuir waves in the solar corona"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.2587","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":"sha256:1256c2b9cc03e98f47f379a2a507d0c43f73456916ca2e41acbd92ab95abc007","target":"record","created_at":"2026-05-18T01:53:16Z","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":"5c84b5ccdb129b29c6ba5f7bafee0ce3870c82634d0024e544088eed474ca25b","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-11-12T12:07:08Z","title_canon_sha256":"47822b9e40a670d5eb07449397be834e6512fe526b2b7f5eca8cdea66399b36b"},"schema_version":"1.0","source":{"id":"1211.2587","kind":"arxiv","version":1}},"canonical_sha256":"730f15da293575caa92e4bff47d1c920c6d78c12dc9429d4602cd147e8ee0922","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"730f15da293575caa92e4bff47d1c920c6d78c12dc9429d4602cd147e8ee0922","first_computed_at":"2026-05-18T01:53:16.796456Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:16.796456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Rf5GTk0soS+K1J/rMb5wB5jKfSrLDWo4NcPjqqsJUXp7oi3rTvu7aY5I7K/GiunQhmn97fIbPfiQTFmHInnWAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:16.796904Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.2587","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1256c2b9cc03e98f47f379a2a507d0c43f73456916ca2e41acbd92ab95abc007","sha256:b10b05b548dae354084b7ea3d1bb571af6358079ed1d350daa670c8292819782"],"state_sha256":"979aea631d1fa29aa94a319734d011d24b6c877aefd046020a7e65efa686a0cf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mSKw9t1FB2OA4wEq8K0u2lrbZRSpnwlIp9QnVHs9HCIUetyhw+5ikA7ztxO2WDwQgTV8v9Tv1j5p2x/ms7kqBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T10:45:38.506233Z","bundle_sha256":"01ce292f29a77ca3b447f585dbad5f39dbf987c8201b97983287e7ebe2fcc530"}}