{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RAGROMY3PKZ7R5RHX6NDYHZ7ZI","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":"95a8fac64abd59ac371a13f422cb5a47dd9af997879c02dfb9da872d5e90f757","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-01-25T14:01:25Z","title_canon_sha256":"13e5d11da3a1eae75b5d9fddc648ac825ca25b5efb37ab7b3c20ebd2a138a58f"},"schema_version":"1.0","source":{"id":"1901.09710","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.09710","created_at":"2026-05-17T23:55:24Z"},{"alias_kind":"arxiv_version","alias_value":"1901.09710v1","created_at":"2026-05-17T23:55:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.09710","created_at":"2026-05-17T23:55:24Z"},{"alias_kind":"pith_short_12","alias_value":"RAGROMY3PKZ7","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RAGROMY3PKZ7R5RH","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RAGROMY3","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:b520bc4720b8577f5e987cf7ef7742b96520062a2cffadb34ae42eabea76d093","target":"graph","created_at":"2026-05-17T23:55:24Z","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 exponential rise in small-satellites and CubeSats in Low Earth Orbit (LEO) poses important challenges for future space traffic management. At altitudes of 600 km and lower, aerodynamic drag accelerates de-orbiting of satellites. However, placement of satellites at higher altitudes required for constellations pose important challenges. The satellites will require on-board propulsion to lower their orbits to 600 km and let aerodynamic drag take-over. In this work we analyze solutions for de-orbiting satellites at altitudes of up to 3000 km. We consider a modular robotic de-orbit device that ","authors_text":"Aman Chandra, Greg Wilburn, Jekan Thangavelautham","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-01-25T14:01:25Z","title":"Advanced Inflatable De-Orbit Solutions for Derelict Satellites and Orbital Debris"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.09710","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":"sha256:5291fd8ece486a0b8c57fc73072b2a65ea4980e39d305dfc03a0a976b2f68f42","target":"record","created_at":"2026-05-17T23:55:24Z","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":"95a8fac64abd59ac371a13f422cb5a47dd9af997879c02dfb9da872d5e90f757","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-01-25T14:01:25Z","title_canon_sha256":"13e5d11da3a1eae75b5d9fddc648ac825ca25b5efb37ab7b3c20ebd2a138a58f"},"schema_version":"1.0","source":{"id":"1901.09710","kind":"arxiv","version":1}},"canonical_sha256":"880d17331b7ab3f8f627bf9a3c1f3fca37d622ebf023356e902b76c63798ed6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"880d17331b7ab3f8f627bf9a3c1f3fca37d622ebf023356e902b76c63798ed6e","first_computed_at":"2026-05-17T23:55:24.002514Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:24.002514Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ql5xfgwJX/FkTFcFAZHuvcdPnHE0OefPlOEhrhPrPSWj+hW+JNNGZCe3JLnMQItLw2AO4c6sXSPTiFBZV7PYCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:24.003083Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.09710","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5291fd8ece486a0b8c57fc73072b2a65ea4980e39d305dfc03a0a976b2f68f42","sha256:b520bc4720b8577f5e987cf7ef7742b96520062a2cffadb34ae42eabea76d093"],"state_sha256":"4aaccd61208e214d19e2f9ef71e5a325c1df69e488b54fe264479df860966dc3"}