{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:JLZCJWQVKG53VSAG3XAP6F3QEJ","short_pith_number":"pith:JLZCJWQV","canonical_record":{"source":{"id":"2108.10255","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-23T15:52:12Z","cross_cats_sorted":["astro-ph.IM","physics.space-ph"],"title_canon_sha256":"c46b17326a200a67a6fba21bb70fbc5823216c0beed16f9b7b169e374af4f78f","abstract_canon_sha256":"dbb1d9f23984e685e3fa85966db3478cf54045c9662acf5706fb2427c340b7de"},"schema_version":"1.0"},"canonical_sha256":"4af224da1551bbbac806ddc0ff1770226e786f1cbc8e9ceb0388f1a5ae8b245e","source":{"kind":"arxiv","id":"2108.10255","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.10255","created_at":"2026-07-05T08:38:49Z"},{"alias_kind":"arxiv_version","alias_value":"2108.10255v1","created_at":"2026-07-05T08:38:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.10255","created_at":"2026-07-05T08:38:49Z"},{"alias_kind":"pith_short_12","alias_value":"JLZCJWQVKG53","created_at":"2026-07-05T08:38:49Z"},{"alias_kind":"pith_short_16","alias_value":"JLZCJWQVKG53VSAG","created_at":"2026-07-05T08:38:49Z"},{"alias_kind":"pith_short_8","alias_value":"JLZCJWQV","created_at":"2026-07-05T08:38:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:JLZCJWQVKG53VSAG3XAP6F3QEJ","target":"record","payload":{"canonical_record":{"source":{"id":"2108.10255","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-23T15:52:12Z","cross_cats_sorted":["astro-ph.IM","physics.space-ph"],"title_canon_sha256":"c46b17326a200a67a6fba21bb70fbc5823216c0beed16f9b7b169e374af4f78f","abstract_canon_sha256":"dbb1d9f23984e685e3fa85966db3478cf54045c9662acf5706fb2427c340b7de"},"schema_version":"1.0"},"canonical_sha256":"4af224da1551bbbac806ddc0ff1770226e786f1cbc8e9ceb0388f1a5ae8b245e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:38:49.919522Z","signature_b64":"vhDn4koDPA+ZHMxYtMbwZ34WFsQzdaFxR/ayf0MkIe6NapPdvBsLuIOnFX6POD9MK7Zd5rVjteSj1PSRouWNDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4af224da1551bbbac806ddc0ff1770226e786f1cbc8e9ceb0388f1a5ae8b245e","last_reissued_at":"2026-07-05T08:38:49.919087Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:38:49.919087Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.10255","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":"2026-07-05T08:38:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wDDmIiBASCmCJ05RnvuNPdZtsPtxy/9WKxGWVwfLZct7kxVEyVYjyUxUGDmPh+++Q+/QqEgaOp52l6QBXF9JDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T03:45:45.958104Z"},"content_sha256":"74d60948d40364e343600021e74a8988d0230c7e03b93c053011571d552cd723","schema_version":"1.0","event_id":"sha256:74d60948d40364e343600021e74a8988d0230c7e03b93c053011571d552cd723"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:JLZCJWQVKG53VSAG3XAP6F3QEJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reply to comment on \"An Active Plume Eruption on Europa During Galileo Flyby E26 as Indicated by Energetic Proton Depletions\"","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM","physics.space-ph"],"primary_cat":"astro-ph.EP","authors_text":"A. Bl\\\"ocker, E. Roussos, H.L.F. Huybrighs, L.Z. Hadid, M.K.G. Holmberg, N. Krupp, O. Witasse, S. Barabash, Y. Futaana","submitted_at":"2021-08-23T15:52:12Z","abstract_excerpt":"In Huybrighs et al., 2020 we investigated energetic proton depletions along Galileo's Europa flyby E26. Based on a particle tracing analysis we proposed that depletions are caused by perturbed electrogmagnetic fields combined with atmospheric charge exchange and possible plumes. One depletion feature identified as a plume signature was shown to be an artefact Jia et al., 2021. Despite that, here we emphasize that Huybrighs et al., 2020 demonstrates that plumes can cause proton depletions and that these features should be sought after. Furthermore, the conclusions on the importance of perturbed"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.10255","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/2108.10255/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":"2026-07-05T08:38:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G2RLu/Ztcvk1eVvQidaPtjAfcCawPHIwU4kmLLSGanaGm4LgAoQw42uTsK2qMip6jOZZYF4TFxNBktqxGnI5Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T03:45:45.958633Z"},"content_sha256":"56a842bcbcb5f57d9435a4951d17fcfa09bcef42b54405724c3a9a553b443670","schema_version":"1.0","event_id":"sha256:56a842bcbcb5f57d9435a4951d17fcfa09bcef42b54405724c3a9a553b443670"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JLZCJWQVKG53VSAG3XAP6F3QEJ/bundle.json","state_url":"https://pith.science/pith/JLZCJWQVKG53VSAG3XAP6F3QEJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JLZCJWQVKG53VSAG3XAP6F3QEJ/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":"2026-08-13T03:45:45Z","links":{"resolver":"https://pith.science/pith/JLZCJWQVKG53VSAG3XAP6F3QEJ","bundle":"https://pith.science/pith/JLZCJWQVKG53VSAG3XAP6F3QEJ/bundle.json","state":"https://pith.science/pith/JLZCJWQVKG53VSAG3XAP6F3QEJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JLZCJWQVKG53VSAG3XAP6F3QEJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:JLZCJWQVKG53VSAG3XAP6F3QEJ","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":"dbb1d9f23984e685e3fa85966db3478cf54045c9662acf5706fb2427c340b7de","cross_cats_sorted":["astro-ph.IM","physics.space-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-23T15:52:12Z","title_canon_sha256":"c46b17326a200a67a6fba21bb70fbc5823216c0beed16f9b7b169e374af4f78f"},"schema_version":"1.0","source":{"id":"2108.10255","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.10255","created_at":"2026-07-05T08:38:49Z"},{"alias_kind":"arxiv_version","alias_value":"2108.10255v1","created_at":"2026-07-05T08:38:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.10255","created_at":"2026-07-05T08:38:49Z"},{"alias_kind":"pith_short_12","alias_value":"JLZCJWQVKG53","created_at":"2026-07-05T08:38:49Z"},{"alias_kind":"pith_short_16","alias_value":"JLZCJWQVKG53VSAG","created_at":"2026-07-05T08:38:49Z"},{"alias_kind":"pith_short_8","alias_value":"JLZCJWQV","created_at":"2026-07-05T08:38:49Z"}],"graph_snapshots":[{"event_id":"sha256:56a842bcbcb5f57d9435a4951d17fcfa09bcef42b54405724c3a9a553b443670","target":"graph","created_at":"2026-07-05T08:38:49Z","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/2108.10255/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In Huybrighs et al., 2020 we investigated energetic proton depletions along Galileo's Europa flyby E26. Based on a particle tracing analysis we proposed that depletions are caused by perturbed electrogmagnetic fields combined with atmospheric charge exchange and possible plumes. One depletion feature identified as a plume signature was shown to be an artefact Jia et al., 2021. Despite that, here we emphasize that Huybrighs et al., 2020 demonstrates that plumes can cause proton depletions and that these features should be sought after. Furthermore, the conclusions on the importance of perturbed","authors_text":"A. Bl\\\"ocker, E. Roussos, H.L.F. Huybrighs, L.Z. Hadid, M.K.G. Holmberg, N. Krupp, O. Witasse, S. Barabash, Y. Futaana","cross_cats":["astro-ph.IM","physics.space-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-23T15:52:12Z","title":"Reply to comment on \"An Active Plume Eruption on Europa During Galileo Flyby E26 as Indicated by Energetic Proton Depletions\""},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.10255","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":"sha256:74d60948d40364e343600021e74a8988d0230c7e03b93c053011571d552cd723","target":"record","created_at":"2026-07-05T08:38:49Z","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":"dbb1d9f23984e685e3fa85966db3478cf54045c9662acf5706fb2427c340b7de","cross_cats_sorted":["astro-ph.IM","physics.space-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-08-23T15:52:12Z","title_canon_sha256":"c46b17326a200a67a6fba21bb70fbc5823216c0beed16f9b7b169e374af4f78f"},"schema_version":"1.0","source":{"id":"2108.10255","kind":"arxiv","version":1}},"canonical_sha256":"4af224da1551bbbac806ddc0ff1770226e786f1cbc8e9ceb0388f1a5ae8b245e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4af224da1551bbbac806ddc0ff1770226e786f1cbc8e9ceb0388f1a5ae8b245e","first_computed_at":"2026-07-05T08:38:49.919087Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:38:49.919087Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vhDn4koDPA+ZHMxYtMbwZ34WFsQzdaFxR/ayf0MkIe6NapPdvBsLuIOnFX6POD9MK7Zd5rVjteSj1PSRouWNDA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:38:49.919522Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.10255","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74d60948d40364e343600021e74a8988d0230c7e03b93c053011571d552cd723","sha256:56a842bcbcb5f57d9435a4951d17fcfa09bcef42b54405724c3a9a553b443670"],"state_sha256":"121bbee723544ee98e5d8f4618d2501881ee3b5b521ddc36ecf8268ae0b958c3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2ObVRhmtqQBwDCk6pOLTMKPaR24dMw2Z6P65UNDvqTMntIPcsCFdS8hHzlqUb50sZ9/P8eSeJol0bgmM/mRfBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T03:45:45.963816Z","bundle_sha256":"91ca94a730e574a577bf996ac64b31eb065bba4f4225d3a011ccf98b4f29c6c4"}}