{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:CNHWCD3QXT23GALVMBU6XAVFM2","short_pith_number":"pith:CNHWCD3Q","canonical_record":{"source":{"id":"1908.11138","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2019-08-29T10:22:00Z","cross_cats_sorted":[],"title_canon_sha256":"cf7f3379268d8843ae339b37ecbaaa262bc67713ce509853f6e0e1fe7396fd05","abstract_canon_sha256":"002b523a2427a0d3dec69b215d8a742f00a503c88a63715cbc41fb316040bbda"},"schema_version":"1.0"},"canonical_sha256":"134f610f70bcf5b301756069eb82a56689af884ef54e2d7485b8c307a18075be","source":{"kind":"arxiv","id":"1908.11138","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.11138","created_at":"2026-07-05T01:10:27Z"},{"alias_kind":"arxiv_version","alias_value":"1908.11138v1","created_at":"2026-07-05T01:10:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.11138","created_at":"2026-07-05T01:10:27Z"},{"alias_kind":"pith_short_12","alias_value":"CNHWCD3QXT23","created_at":"2026-07-05T01:10:27Z"},{"alias_kind":"pith_short_16","alias_value":"CNHWCD3QXT23GALV","created_at":"2026-07-05T01:10:27Z"},{"alias_kind":"pith_short_8","alias_value":"CNHWCD3Q","created_at":"2026-07-05T01:10:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:CNHWCD3QXT23GALVMBU6XAVFM2","target":"record","payload":{"canonical_record":{"source":{"id":"1908.11138","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2019-08-29T10:22:00Z","cross_cats_sorted":[],"title_canon_sha256":"cf7f3379268d8843ae339b37ecbaaa262bc67713ce509853f6e0e1fe7396fd05","abstract_canon_sha256":"002b523a2427a0d3dec69b215d8a742f00a503c88a63715cbc41fb316040bbda"},"schema_version":"1.0"},"canonical_sha256":"134f610f70bcf5b301756069eb82a56689af884ef54e2d7485b8c307a18075be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:10:27.762592Z","signature_b64":"Yd5yufCzyO7qRowr1Ktk1hqSPAUc9EAwUMO3eV0HIhudlLB2+9/l9uEZz5CCs10Lmw3wY/UIb4F+Ue/HYKEgDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"134f610f70bcf5b301756069eb82a56689af884ef54e2d7485b8c307a18075be","last_reissued_at":"2026-07-05T01:10:27.762171Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:10:27.762171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.11138","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":"2026-07-05T01:10:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dGbHbnPu4s/mMxI9kPVc8BkYMynq7Pcr7TcCB5ihnYJJk+PJoPI/dW0rOJx3eX9PKOvCR1YmzWJanvILt8M0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T16:56:37.075818Z"},"content_sha256":"850177449a0dafc9620d665e8cd7a24ce982f8d36c19e441855aa0d95a147fa6","schema_version":"1.0","event_id":"sha256:850177449a0dafc9620d665e8cd7a24ce982f8d36c19e441855aa0d95a147fa6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:CNHWCD3QXT23GALVMBU6XAVFM2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron acceleration and thermalization at magnetotail separatrices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.space-ph","authors_text":"A. Vaivads, C. Norgren, D. B. Graham, D. J. Gershman, J. L. Burch, K. Steinvall, M. Hesse, P.-A. Lindqvist, P. Tenfjord, Yu. V. Khotyaintsev, Y. Xu","submitted_at":"2019-08-29T10:22:00Z","abstract_excerpt":"In this study we use the Magnetospheric Multiscale (MMS) mission to investigate the electron acceleration and thermalization occurring along the magnetic reconnection separatrices in the magnetotail. We find that initially cold electron lobe populations are accelerated towards the X line forming beams with energies up to a few keV's, corresponding to a substantial fraction of the electron thermal energy inside the exhaust. The accelerated electron populations are unstable to the formation of electrostatic waves which develop into nonlinear electrostatic solitary waves. The waves' amplitudes ar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.11138","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/1908.11138/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":"2026-07-05T01:10:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pETRInZlUQluLBtZQlS5fd/WPf+uXjXzDfsUPYQzj+XwRiN9lJJ2HosXFoMGrihuESWcyodL9hqouhmsCh1jDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T16:56:37.076715Z"},"content_sha256":"30e2c23b8a9d5226912ec68e6fc98d91c62b7e96b71f1a53793f91182574c2b2","schema_version":"1.0","event_id":"sha256:30e2c23b8a9d5226912ec68e6fc98d91c62b7e96b71f1a53793f91182574c2b2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CNHWCD3QXT23GALVMBU6XAVFM2/bundle.json","state_url":"https://pith.science/pith/CNHWCD3QXT23GALVMBU6XAVFM2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CNHWCD3QXT23GALVMBU6XAVFM2/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":"2026-08-14T16:56:37Z","links":{"resolver":"https://pith.science/pith/CNHWCD3QXT23GALVMBU6XAVFM2","bundle":"https://pith.science/pith/CNHWCD3QXT23GALVMBU6XAVFM2/bundle.json","state":"https://pith.science/pith/CNHWCD3QXT23GALVMBU6XAVFM2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CNHWCD3QXT23GALVMBU6XAVFM2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CNHWCD3QXT23GALVMBU6XAVFM2","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":"002b523a2427a0d3dec69b215d8a742f00a503c88a63715cbc41fb316040bbda","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2019-08-29T10:22:00Z","title_canon_sha256":"cf7f3379268d8843ae339b37ecbaaa262bc67713ce509853f6e0e1fe7396fd05"},"schema_version":"1.0","source":{"id":"1908.11138","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.11138","created_at":"2026-07-05T01:10:27Z"},{"alias_kind":"arxiv_version","alias_value":"1908.11138v1","created_at":"2026-07-05T01:10:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.11138","created_at":"2026-07-05T01:10:27Z"},{"alias_kind":"pith_short_12","alias_value":"CNHWCD3QXT23","created_at":"2026-07-05T01:10:27Z"},{"alias_kind":"pith_short_16","alias_value":"CNHWCD3QXT23GALV","created_at":"2026-07-05T01:10:27Z"},{"alias_kind":"pith_short_8","alias_value":"CNHWCD3Q","created_at":"2026-07-05T01:10:27Z"}],"graph_snapshots":[{"event_id":"sha256:30e2c23b8a9d5226912ec68e6fc98d91c62b7e96b71f1a53793f91182574c2b2","target":"graph","created_at":"2026-07-05T01:10:27Z","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/1908.11138/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this study we use the Magnetospheric Multiscale (MMS) mission to investigate the electron acceleration and thermalization occurring along the magnetic reconnection separatrices in the magnetotail. We find that initially cold electron lobe populations are accelerated towards the X line forming beams with energies up to a few keV's, corresponding to a substantial fraction of the electron thermal energy inside the exhaust. The accelerated electron populations are unstable to the formation of electrostatic waves which develop into nonlinear electrostatic solitary waves. The waves' amplitudes ar","authors_text":"A. Vaivads, C. Norgren, D. B. Graham, D. J. Gershman, J. L. Burch, K. Steinvall, M. Hesse, P.-A. Lindqvist, P. Tenfjord, Yu. V. Khotyaintsev, Y. Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2019-08-29T10:22:00Z","title":"Electron acceleration and thermalization at magnetotail separatrices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.11138","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":"sha256:850177449a0dafc9620d665e8cd7a24ce982f8d36c19e441855aa0d95a147fa6","target":"record","created_at":"2026-07-05T01:10:27Z","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":"002b523a2427a0d3dec69b215d8a742f00a503c88a63715cbc41fb316040bbda","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2019-08-29T10:22:00Z","title_canon_sha256":"cf7f3379268d8843ae339b37ecbaaa262bc67713ce509853f6e0e1fe7396fd05"},"schema_version":"1.0","source":{"id":"1908.11138","kind":"arxiv","version":1}},"canonical_sha256":"134f610f70bcf5b301756069eb82a56689af884ef54e2d7485b8c307a18075be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"134f610f70bcf5b301756069eb82a56689af884ef54e2d7485b8c307a18075be","first_computed_at":"2026-07-05T01:10:27.762171Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:10:27.762171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yd5yufCzyO7qRowr1Ktk1hqSPAUc9EAwUMO3eV0HIhudlLB2+9/l9uEZz5CCs10Lmw3wY/UIb4F+Ue/HYKEgDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:10:27.762592Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.11138","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:850177449a0dafc9620d665e8cd7a24ce982f8d36c19e441855aa0d95a147fa6","sha256:30e2c23b8a9d5226912ec68e6fc98d91c62b7e96b71f1a53793f91182574c2b2"],"state_sha256":"d141332d3bf679c504a98d7cca4112270f5e66c66e2bddad9ae0b000687b9376"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1kp78J8W3I21ElRaOxCRV5ASm9h5U6WRMIp4bseNd4C2NfS5AIhQ/ZvMdpCK0g+QtzNguISIkfmW7nluHUu5AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T16:56:37.083911Z","bundle_sha256":"943498d985ab59ea56c67ac4aef89107e84fc85c08e8c4f953aa6cfdc94590fb"}}