{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:VBKSUT3RZCV77C3Q2AQOIW5TQ5","short_pith_number":"pith:VBKSUT3R","canonical_record":{"source":{"id":"1104.1440","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-04-07T20:37:12Z","cross_cats_sorted":[],"title_canon_sha256":"b9954ee5bdb9873ef2e67f900c5cf9d4ed552cdabb592e34e0194a370e720be3","abstract_canon_sha256":"cc05d40c80ba8f44467e813cb1e875cede16bdbb17120c6220f9f2b53a32f90b"},"schema_version":"1.0"},"canonical_sha256":"a8552a4f71c8abff8b70d020e45bb3876747ac5c29c8d852d85ffc3e662152df","source":{"kind":"arxiv","id":"1104.1440","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1440","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1440v2","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1440","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"VBKSUT3RZCV7","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"VBKSUT3RZCV77C3Q","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"VBKSUT3R","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:VBKSUT3RZCV77C3Q2AQOIW5TQ5","target":"record","payload":{"canonical_record":{"source":{"id":"1104.1440","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-04-07T20:37:12Z","cross_cats_sorted":[],"title_canon_sha256":"b9954ee5bdb9873ef2e67f900c5cf9d4ed552cdabb592e34e0194a370e720be3","abstract_canon_sha256":"cc05d40c80ba8f44467e813cb1e875cede16bdbb17120c6220f9f2b53a32f90b"},"schema_version":"1.0"},"canonical_sha256":"a8552a4f71c8abff8b70d020e45bb3876747ac5c29c8d852d85ffc3e662152df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:00:26.829688Z","signature_b64":"M5YY26VGjn4eIEX6QBp6zaM1PZ/MfrWKDMeZIza61VKu+OwXVBjJ71ID/iaHyE5EY6a5IJGyXeKmhUsZq78gCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8552a4f71c8abff8b70d020e45bb3876747ac5c29c8d852d85ffc3e662152df","last_reissued_at":"2026-05-18T04:00:26.829025Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:00:26.829025Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.1440","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":"2026-05-18T04:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LFobcokJwtkWXLP7jQYj7HZEyJPtVqZOTJCbQBkfiilLRYxrrWNnAgfEFdjH6hw+4lQAqIv5jZYY5vmh9I4FCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T05:20:25.824709Z"},"content_sha256":"4b6f0043688dbfe285c1fc1d4650606aab64d5c44b124f23c11a06395895f6d3","schema_version":"1.0","event_id":"sha256:4b6f0043688dbfe285c1fc1d4650606aab64d5c44b124f23c11a06395895f6d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:VBKSUT3RZCV77C3Q2AQOIW5TQ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The interaction between the Moon and the solar wind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.space-ph","authors_text":"H. Nilsson, M. Holmstr\\\"om, S. Fatemi, Y. Futaana","submitted_at":"2011-04-07T20:37:12Z","abstract_excerpt":"We study the interaction between the Moon and the solar wind using a three-dimensional hybrid plasma solver. The proton fluxes and electromagnetical fields are presented for typical solar wind conditions with different magnetic field directions. We find two different wake structures for an interplanetary magnetic field that is perpendicular to the solar wind flow, and for one that is parallell to the flow. The wake for intermediate magnetic field directions will be a mix of these two extreme conditions. Several features are consistent with a fluid interaction, e.g., the presence of a rarefacti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1440","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":""},"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":"2026-05-18T04:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rhb1DsYLepyCongI4k0htB6P3o8zWQt74mVtLniAI8lUihhg8Ua1UIBgfFwKa7DVRDFf9zF5y4ZlA816Sbu0Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T05:20:25.825054Z"},"content_sha256":"6b74afecb3443092b9c68ee156bb65ede7d2892256b5c7569f8fc272962a30e8","schema_version":"1.0","event_id":"sha256:6b74afecb3443092b9c68ee156bb65ede7d2892256b5c7569f8fc272962a30e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VBKSUT3RZCV77C3Q2AQOIW5TQ5/bundle.json","state_url":"https://pith.science/pith/VBKSUT3RZCV77C3Q2AQOIW5TQ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VBKSUT3RZCV77C3Q2AQOIW5TQ5/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":"2026-06-05T05:20:25Z","links":{"resolver":"https://pith.science/pith/VBKSUT3RZCV77C3Q2AQOIW5TQ5","bundle":"https://pith.science/pith/VBKSUT3RZCV77C3Q2AQOIW5TQ5/bundle.json","state":"https://pith.science/pith/VBKSUT3RZCV77C3Q2AQOIW5TQ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VBKSUT3RZCV77C3Q2AQOIW5TQ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:VBKSUT3RZCV77C3Q2AQOIW5TQ5","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":"cc05d40c80ba8f44467e813cb1e875cede16bdbb17120c6220f9f2b53a32f90b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-04-07T20:37:12Z","title_canon_sha256":"b9954ee5bdb9873ef2e67f900c5cf9d4ed552cdabb592e34e0194a370e720be3"},"schema_version":"1.0","source":{"id":"1104.1440","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1440","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1440v2","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1440","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"VBKSUT3RZCV7","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"VBKSUT3RZCV77C3Q","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"VBKSUT3R","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:6b74afecb3443092b9c68ee156bb65ede7d2892256b5c7569f8fc272962a30e8","target":"graph","created_at":"2026-05-18T04:00:26Z","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":"We study the interaction between the Moon and the solar wind using a three-dimensional hybrid plasma solver. The proton fluxes and electromagnetical fields are presented for typical solar wind conditions with different magnetic field directions. We find two different wake structures for an interplanetary magnetic field that is perpendicular to the solar wind flow, and for one that is parallell to the flow. The wake for intermediate magnetic field directions will be a mix of these two extreme conditions. Several features are consistent with a fluid interaction, e.g., the presence of a rarefacti","authors_text":"H. Nilsson, M. Holmstr\\\"om, S. Fatemi, Y. Futaana","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-04-07T20:37:12Z","title":"The interaction between the Moon and the solar wind"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1440","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":"sha256:4b6f0043688dbfe285c1fc1d4650606aab64d5c44b124f23c11a06395895f6d3","target":"record","created_at":"2026-05-18T04:00:26Z","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":"cc05d40c80ba8f44467e813cb1e875cede16bdbb17120c6220f9f2b53a32f90b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-04-07T20:37:12Z","title_canon_sha256":"b9954ee5bdb9873ef2e67f900c5cf9d4ed552cdabb592e34e0194a370e720be3"},"schema_version":"1.0","source":{"id":"1104.1440","kind":"arxiv","version":2}},"canonical_sha256":"a8552a4f71c8abff8b70d020e45bb3876747ac5c29c8d852d85ffc3e662152df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8552a4f71c8abff8b70d020e45bb3876747ac5c29c8d852d85ffc3e662152df","first_computed_at":"2026-05-18T04:00:26.829025Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:00:26.829025Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M5YY26VGjn4eIEX6QBp6zaM1PZ/MfrWKDMeZIza61VKu+OwXVBjJ71ID/iaHyE5EY6a5IJGyXeKmhUsZq78gCw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:00:26.829688Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.1440","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b6f0043688dbfe285c1fc1d4650606aab64d5c44b124f23c11a06395895f6d3","sha256:6b74afecb3443092b9c68ee156bb65ede7d2892256b5c7569f8fc272962a30e8"],"state_sha256":"af13e41fa038ab4f4e0b1d4f103d17a14f67cbb83c41a1cf2db578f4fd0721bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zRfu0qM3Re/QrkjGsH1Ey9ylKpeLIS1hRpiw44G89Ad/cQtgGXc1gzJ+gASKCiCJn0mTCGxINGGDB/yQklQlCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T05:20:25.827226Z","bundle_sha256":"50c8742c5b60df28a0cb6be5bd3801fbdb12e0d03aabf7d45c41a36dd69f1cea"}}