{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:WU2W6L5R65LF3BGFEXCPG7T25F","short_pith_number":"pith:WU2W6L5R","canonical_record":{"source":{"id":"1408.1335","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-06T15:49:46Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"3d22699ae7d03a7915b994af1433d63366454809d332dca25aba2fd8ab4697fb","abstract_canon_sha256":"847c16ec88834f2591ecf82db7a84bd0079aa8b4acfab3f0d1b1af8f70919291"},"schema_version":"1.0"},"canonical_sha256":"b5356f2fb1f7565d84c525c4f37e7ae968a699073217a242b01c65c21462c2ef","source":{"kind":"arxiv","id":"1408.1335","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.1335","created_at":"2026-05-17T23:53:14Z"},{"alias_kind":"arxiv_version","alias_value":"1408.1335v1","created_at":"2026-05-17T23:53:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.1335","created_at":"2026-05-17T23:53:14Z"},{"alias_kind":"pith_short_12","alias_value":"WU2W6L5R65LF","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WU2W6L5R65LF3BGF","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WU2W6L5R","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:WU2W6L5R65LF3BGFEXCPG7T25F","target":"record","payload":{"canonical_record":{"source":{"id":"1408.1335","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-06T15:49:46Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"3d22699ae7d03a7915b994af1433d63366454809d332dca25aba2fd8ab4697fb","abstract_canon_sha256":"847c16ec88834f2591ecf82db7a84bd0079aa8b4acfab3f0d1b1af8f70919291"},"schema_version":"1.0"},"canonical_sha256":"b5356f2fb1f7565d84c525c4f37e7ae968a699073217a242b01c65c21462c2ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:14.241508Z","signature_b64":"8tqWke6kEFZH36ZTsnnwYR2AcYwUON6Xr710x4Ui20uBGmTGdiDy3HIvE0RuWIa3NuVCwyNnqL43f3lMLbtjAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5356f2fb1f7565d84c525c4f37e7ae968a699073217a242b01c65c21462c2ef","last_reissued_at":"2026-05-17T23:53:14.240961Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:14.240961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.1335","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":"2026-05-17T23:53:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r05aTtp4iIEO1fSJ5RkoJGTYTouGiRU4j5BND09dkTD8ic5Mex7XqXYB1Ue4c0mCNvexuXKKsMuJ5m28sV2ZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:27:19.107811Z"},"content_sha256":"94ce43fb9dffd511d2fe9e56a30ddcefb0d259bc350fbcc7280a2ab61128241f","schema_version":"1.0","event_id":"sha256:94ce43fb9dffd511d2fe9e56a30ddcefb0d259bc350fbcc7280a2ab61128241f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:WU2W6L5R65LF3BGFEXCPG7T25F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Plasma acceleration by the interaction of parallel propagating Alfv\\'en waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.space-ph"],"primary_cat":"astro-ph.EP","authors_text":"Fabrice Mottez (LUTH)","submitted_at":"2014-08-06T15:49:46Z","abstract_excerpt":"It is shown that two circularly polarised Alfv\\'en waves that propagate along the ambient magnetic field in an uniform plasma trigger non oscillating electromagnetic field components when they cross each other. The non-oscilliating field components can accelerate ions and electrons with great efficiency. This work is based on particle-in-cell (PIC) numerical simulations and on analytical non-linear computations. The analytical computations are done for two counter-propagating monochromatic waves. The simulations are done with monochromatic waves and with wave packets. The simulations show para"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.1335","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":"2026-05-17T23:53:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ntcWnKJQd7jcWY3o1RcoD2aNfFUJBAHt/gKnuJ8rpUD+R0G5HkskqYEb/H4BDfKEjF6TK4yk8gx/IxInkPhlDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:27:19.108680Z"},"content_sha256":"369bf834adf07e329d3845e023227249078783485a2060011080f8fd2111165d","schema_version":"1.0","event_id":"sha256:369bf834adf07e329d3845e023227249078783485a2060011080f8fd2111165d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WU2W6L5R65LF3BGFEXCPG7T25F/bundle.json","state_url":"https://pith.science/pith/WU2W6L5R65LF3BGFEXCPG7T25F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WU2W6L5R65LF3BGFEXCPG7T25F/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":"2026-06-08T19:27:19Z","links":{"resolver":"https://pith.science/pith/WU2W6L5R65LF3BGFEXCPG7T25F","bundle":"https://pith.science/pith/WU2W6L5R65LF3BGFEXCPG7T25F/bundle.json","state":"https://pith.science/pith/WU2W6L5R65LF3BGFEXCPG7T25F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WU2W6L5R65LF3BGFEXCPG7T25F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:WU2W6L5R65LF3BGFEXCPG7T25F","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":"847c16ec88834f2591ecf82db7a84bd0079aa8b4acfab3f0d1b1af8f70919291","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-06T15:49:46Z","title_canon_sha256":"3d22699ae7d03a7915b994af1433d63366454809d332dca25aba2fd8ab4697fb"},"schema_version":"1.0","source":{"id":"1408.1335","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.1335","created_at":"2026-05-17T23:53:14Z"},{"alias_kind":"arxiv_version","alias_value":"1408.1335v1","created_at":"2026-05-17T23:53:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.1335","created_at":"2026-05-17T23:53:14Z"},{"alias_kind":"pith_short_12","alias_value":"WU2W6L5R65LF","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WU2W6L5R65LF3BGF","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WU2W6L5R","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:369bf834adf07e329d3845e023227249078783485a2060011080f8fd2111165d","target":"graph","created_at":"2026-05-17T23:53:14Z","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"},"paper":{"abstract_excerpt":"It is shown that two circularly polarised Alfv\\'en waves that propagate along the ambient magnetic field in an uniform plasma trigger non oscillating electromagnetic field components when they cross each other. The non-oscilliating field components can accelerate ions and electrons with great efficiency. This work is based on particle-in-cell (PIC) numerical simulations and on analytical non-linear computations. The analytical computations are done for two counter-propagating monochromatic waves. The simulations are done with monochromatic waves and with wave packets. The simulations show para","authors_text":"Fabrice Mottez (LUTH)","cross_cats":["physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-06T15:49:46Z","title":"Plasma acceleration by the interaction of parallel propagating Alfv\\'en waves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.1335","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":"sha256:94ce43fb9dffd511d2fe9e56a30ddcefb0d259bc350fbcc7280a2ab61128241f","target":"record","created_at":"2026-05-17T23:53:14Z","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":"847c16ec88834f2591ecf82db7a84bd0079aa8b4acfab3f0d1b1af8f70919291","cross_cats_sorted":["physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-06T15:49:46Z","title_canon_sha256":"3d22699ae7d03a7915b994af1433d63366454809d332dca25aba2fd8ab4697fb"},"schema_version":"1.0","source":{"id":"1408.1335","kind":"arxiv","version":1}},"canonical_sha256":"b5356f2fb1f7565d84c525c4f37e7ae968a699073217a242b01c65c21462c2ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5356f2fb1f7565d84c525c4f37e7ae968a699073217a242b01c65c21462c2ef","first_computed_at":"2026-05-17T23:53:14.240961Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:14.240961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8tqWke6kEFZH36ZTsnnwYR2AcYwUON6Xr710x4Ui20uBGmTGdiDy3HIvE0RuWIa3NuVCwyNnqL43f3lMLbtjAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:14.241508Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.1335","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:94ce43fb9dffd511d2fe9e56a30ddcefb0d259bc350fbcc7280a2ab61128241f","sha256:369bf834adf07e329d3845e023227249078783485a2060011080f8fd2111165d"],"state_sha256":"d2c67d36c412d0db37d5575daee1f9552772592bd187d0a5eaa516bc0cdddf54"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pt0SMS9iSWVRlUCkOil/PBkQFrLbXLX4adeTbN72eRMsnjsJ/PcPVyA7hp4FCaxqPHzCiEP7IqA1GyBrvBbfBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T19:27:19.112883Z","bundle_sha256":"47b0cde3cec14233621aade2fc6429861582b4eaa5fcc371ddd9dcf029fe5d06"}}