{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:YSI3OH2BELVDCGXCWQSX3BFTFT","short_pith_number":"pith:YSI3OH2B","canonical_record":{"source":{"id":"1603.03015","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-01-22T17:41:11Z","cross_cats_sorted":["physics.pop-ph"],"title_canon_sha256":"5cfb841ad512bab28ac11ef22168162b27909f3d5fa1380bb0c1c5d4c0870a50","abstract_canon_sha256":"06d462a8209b302de3fa292051002694ca779838358ff6a21695c5b336ddafae"},"schema_version":"1.0"},"canonical_sha256":"c491b71f4122ea311ae2b4257d84b32ce5472f90873cd13d6a213603e4bf454f","source":{"kind":"arxiv","id":"1603.03015","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.03015","created_at":"2026-05-18T01:08:11Z"},{"alias_kind":"arxiv_version","alias_value":"1603.03015v1","created_at":"2026-05-18T01:08:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.03015","created_at":"2026-05-18T01:08:11Z"},{"alias_kind":"pith_short_12","alias_value":"YSI3OH2BELVD","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YSI3OH2BELVDCGXC","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YSI3OH2B","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:YSI3OH2BELVDCGXCWQSX3BFTFT","target":"record","payload":{"canonical_record":{"source":{"id":"1603.03015","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-01-22T17:41:11Z","cross_cats_sorted":["physics.pop-ph"],"title_canon_sha256":"5cfb841ad512bab28ac11ef22168162b27909f3d5fa1380bb0c1c5d4c0870a50","abstract_canon_sha256":"06d462a8209b302de3fa292051002694ca779838358ff6a21695c5b336ddafae"},"schema_version":"1.0"},"canonical_sha256":"c491b71f4122ea311ae2b4257d84b32ce5472f90873cd13d6a213603e4bf454f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:11.642417Z","signature_b64":"vnzT+z0iPKnHfQczBSeASNenWBpsjzrAuG5T7gWi38qyT/Qdv6ARMvyMImDocqWbvsUUThlOItpRmS95XJWECA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c491b71f4122ea311ae2b4257d84b32ce5472f90873cd13d6a213603e4bf454f","last_reissued_at":"2026-05-18T01:08:11.641792Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:11.641792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.03015","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":"2026-05-18T01:08:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yVp+ZahcIMJI7CNF4MznAi8BLaRh3oM54kOwP2OlsLHrVZLn4B4GS3uGSU7tE2dxRVnWi3LsYDxN9bEy01i6AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T02:28:37.821045Z"},"content_sha256":"c41fa5c99c476312409d90c06ff556ad005b559c5121abff5c9472a86f03f607","schema_version":"1.0","event_id":"sha256:c41fa5c99c476312409d90c06ff556ad005b559c5121abff5c9472a86f03f607"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:YSI3OH2BELVDCGXCWQSX3BFTFT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Combining Magnetic and Electric Sails for Interstellar Deceleration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.pop-ph"],"primary_cat":"physics.space-ph","authors_text":"Andreas M. Hein, Nikolaos Perakis","submitted_at":"2016-01-22T17:41:11Z","abstract_excerpt":"The main benefit of an interstellar mission is to carry out in-situ measurements within a target star system. To allow for extended in-situ measurements, the spacecraft needs to be decelerated. One of the currently most promising technologies for deceleration is the magnetic sail which uses the deflection of interstellar matter via a magnetic field to decelerate the spacecraft. However, while the magnetic sail is very efficient at high velocities, its performance decreases with lower speeds. This leads to deceleration durations of several decades depending on the spacecraft mass. Within the co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.03015","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":"2026-05-18T01:08:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xLapAf9hdVXrKIIWpB+kSmLNnzlPPDyQFlQxSkxBCw2MpLyMoiXHV4mqfjnfbFJfm964ce9OAxT4QZZjI5nmBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T02:28:37.821462Z"},"content_sha256":"9dd446f027ceccb0ad3f6361f64f2b905b15fcfb021870f46dc13e858538cfc3","schema_version":"1.0","event_id":"sha256:9dd446f027ceccb0ad3f6361f64f2b905b15fcfb021870f46dc13e858538cfc3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YSI3OH2BELVDCGXCWQSX3BFTFT/bundle.json","state_url":"https://pith.science/pith/YSI3OH2BELVDCGXCWQSX3BFTFT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YSI3OH2BELVDCGXCWQSX3BFTFT/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":"2026-05-26T02:28:37Z","links":{"resolver":"https://pith.science/pith/YSI3OH2BELVDCGXCWQSX3BFTFT","bundle":"https://pith.science/pith/YSI3OH2BELVDCGXCWQSX3BFTFT/bundle.json","state":"https://pith.science/pith/YSI3OH2BELVDCGXCWQSX3BFTFT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YSI3OH2BELVDCGXCWQSX3BFTFT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:YSI3OH2BELVDCGXCWQSX3BFTFT","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":"06d462a8209b302de3fa292051002694ca779838358ff6a21695c5b336ddafae","cross_cats_sorted":["physics.pop-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-01-22T17:41:11Z","title_canon_sha256":"5cfb841ad512bab28ac11ef22168162b27909f3d5fa1380bb0c1c5d4c0870a50"},"schema_version":"1.0","source":{"id":"1603.03015","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.03015","created_at":"2026-05-18T01:08:11Z"},{"alias_kind":"arxiv_version","alias_value":"1603.03015v1","created_at":"2026-05-18T01:08:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.03015","created_at":"2026-05-18T01:08:11Z"},{"alias_kind":"pith_short_12","alias_value":"YSI3OH2BELVD","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YSI3OH2BELVDCGXC","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YSI3OH2B","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:9dd446f027ceccb0ad3f6361f64f2b905b15fcfb021870f46dc13e858538cfc3","target":"graph","created_at":"2026-05-18T01:08:11Z","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":"The main benefit of an interstellar mission is to carry out in-situ measurements within a target star system. To allow for extended in-situ measurements, the spacecraft needs to be decelerated. One of the currently most promising technologies for deceleration is the magnetic sail which uses the deflection of interstellar matter via a magnetic field to decelerate the spacecraft. However, while the magnetic sail is very efficient at high velocities, its performance decreases with lower speeds. This leads to deceleration durations of several decades depending on the spacecraft mass. Within the co","authors_text":"Andreas M. Hein, Nikolaos Perakis","cross_cats":["physics.pop-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-01-22T17:41:11Z","title":"Combining Magnetic and Electric Sails for Interstellar Deceleration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.03015","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:c41fa5c99c476312409d90c06ff556ad005b559c5121abff5c9472a86f03f607","target":"record","created_at":"2026-05-18T01:08:11Z","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":"06d462a8209b302de3fa292051002694ca779838358ff6a21695c5b336ddafae","cross_cats_sorted":["physics.pop-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-01-22T17:41:11Z","title_canon_sha256":"5cfb841ad512bab28ac11ef22168162b27909f3d5fa1380bb0c1c5d4c0870a50"},"schema_version":"1.0","source":{"id":"1603.03015","kind":"arxiv","version":1}},"canonical_sha256":"c491b71f4122ea311ae2b4257d84b32ce5472f90873cd13d6a213603e4bf454f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c491b71f4122ea311ae2b4257d84b32ce5472f90873cd13d6a213603e4bf454f","first_computed_at":"2026-05-18T01:08:11.641792Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:11.641792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vnzT+z0iPKnHfQczBSeASNenWBpsjzrAuG5T7gWi38qyT/Qdv6ARMvyMImDocqWbvsUUThlOItpRmS95XJWECA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:11.642417Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.03015","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c41fa5c99c476312409d90c06ff556ad005b559c5121abff5c9472a86f03f607","sha256:9dd446f027ceccb0ad3f6361f64f2b905b15fcfb021870f46dc13e858538cfc3"],"state_sha256":"0f951feca87ea79b23b9b716bddeacedb99b13af5e57228d6719f3125f1654c6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b37SVbWeD5T2FWsjtycPrJGmOqES3RduTttiwUlY8n2UgAY6zYYPUcK/1zQiob5kh2mryWqYyepuMxrqS64ZAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T02:28:37.824115Z","bundle_sha256":"5b0a12c9bb7ab60671ca342aea116d16a59e65001967a9f67fe78ad012a12200"}}