{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:S5ZMV4CXYWJFOBMOABYQDG3WAY","short_pith_number":"pith:S5ZMV4CX","canonical_record":{"source":{"id":"2309.13032","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SY","submitted_at":"2023-09-22T17:47:38Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"3352c9471142411f08bdc2e271313edd01783824d3d003ef804e00c2c45fa1f0","abstract_canon_sha256":"140df8bb8df3f933bf578a1ed1c30f36a6c192ea75c48126e1504cc2e34aec94"},"schema_version":"1.0"},"canonical_sha256":"9772caf057c59257058e0071019b760632683781bbded488542c8f642070098a","source":{"kind":"arxiv","id":"2309.13032","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.13032","created_at":"2026-07-05T06:53:26Z"},{"alias_kind":"arxiv_version","alias_value":"2309.13032v1","created_at":"2026-07-05T06:53:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.13032","created_at":"2026-07-05T06:53:26Z"},{"alias_kind":"pith_short_12","alias_value":"S5ZMV4CXYWJF","created_at":"2026-07-05T06:53:26Z"},{"alias_kind":"pith_short_16","alias_value":"S5ZMV4CXYWJFOBMO","created_at":"2026-07-05T06:53:26Z"},{"alias_kind":"pith_short_8","alias_value":"S5ZMV4CX","created_at":"2026-07-05T06:53:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:S5ZMV4CXYWJFOBMOABYQDG3WAY","target":"record","payload":{"canonical_record":{"source":{"id":"2309.13032","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SY","submitted_at":"2023-09-22T17:47:38Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"3352c9471142411f08bdc2e271313edd01783824d3d003ef804e00c2c45fa1f0","abstract_canon_sha256":"140df8bb8df3f933bf578a1ed1c30f36a6c192ea75c48126e1504cc2e34aec94"},"schema_version":"1.0"},"canonical_sha256":"9772caf057c59257058e0071019b760632683781bbded488542c8f642070098a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:53:26.302057Z","signature_b64":"PhjIgi0QN4IddxdMdQY93SIhwzvQHILh6YCwHI4Dwh05/yxHs114Ycww+Z/qufWfhJR9Jx0lL0astYMvCgevBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9772caf057c59257058e0071019b760632683781bbded488542c8f642070098a","last_reissued_at":"2026-07-05T06:53:26.301653Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:53:26.301653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.13032","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":"2026-07-05T06:53:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vm092RKESsWgPxQu+0z66E2Z3DVHnMkC8oy2zuqfY3JhjZuYzzcnFRZg5NeNMYiTbLA7OgZ4JH75zHvYo8vzCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T15:17:02.426429Z"},"content_sha256":"09cc2cf987f1545364106465783f3db47342547db3a8a0fde46ea121acdb066a","schema_version":"1.0","event_id":"sha256:09cc2cf987f1545364106465783f3db47342547db3a8a0fde46ea121acdb066a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:S5ZMV4CXYWJFOBMOABYQDG3WAY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modelling, Simulation, and Control of a Flexible Space Launch Vehicle","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Hafiz Zeeshan Iqbal Khan, Jamshed Riaz, Muhammad Abdullah Aamer, Qurat Ul Ain, Ushbah Kaleem","submitted_at":"2023-09-22T17:47:38Z","abstract_excerpt":"Modern Space Launch Vehicles (SLVs), being slender in shape and due to the use of lightweight materials, are generally flexible in nature. This structural flexibility, when coupled with sensor and actuator dynamics, can adversely affect the control of SLV, which may lead to vehicle instability and, in the worst-case scenario, to structural failure. This work focuses on modelling and simulation of rigid and flexible dynamics of an SLV and its interactions with the control system. SpaceX's Falcon 9 has been selected for this study. The flexible modes are calculated using modal analysis in Ansys."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.13032","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/2309.13032/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":"2026-07-05T06:53:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ogOUAQtDphvnZSEY2tgVIwk/zvSDIpL6rwi3nRoRScKlEzv2dS1L5oB1G+ItwdRMa7UQBnIPDLQazv4Z2Z9TBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T15:17:02.426778Z"},"content_sha256":"6d2f3509c356f130a966a175ddeb17f3b5ef1e2b88d41a13918f609c02da2404","schema_version":"1.0","event_id":"sha256:6d2f3509c356f130a966a175ddeb17f3b5ef1e2b88d41a13918f609c02da2404"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S5ZMV4CXYWJFOBMOABYQDG3WAY/bundle.json","state_url":"https://pith.science/pith/S5ZMV4CXYWJFOBMOABYQDG3WAY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S5ZMV4CXYWJFOBMOABYQDG3WAY/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":"2026-08-21T15:17:02Z","links":{"resolver":"https://pith.science/pith/S5ZMV4CXYWJFOBMOABYQDG3WAY","bundle":"https://pith.science/pith/S5ZMV4CXYWJFOBMOABYQDG3WAY/bundle.json","state":"https://pith.science/pith/S5ZMV4CXYWJFOBMOABYQDG3WAY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S5ZMV4CXYWJFOBMOABYQDG3WAY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:S5ZMV4CXYWJFOBMOABYQDG3WAY","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":"140df8bb8df3f933bf578a1ed1c30f36a6c192ea75c48126e1504cc2e34aec94","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SY","submitted_at":"2023-09-22T17:47:38Z","title_canon_sha256":"3352c9471142411f08bdc2e271313edd01783824d3d003ef804e00c2c45fa1f0"},"schema_version":"1.0","source":{"id":"2309.13032","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.13032","created_at":"2026-07-05T06:53:26Z"},{"alias_kind":"arxiv_version","alias_value":"2309.13032v1","created_at":"2026-07-05T06:53:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.13032","created_at":"2026-07-05T06:53:26Z"},{"alias_kind":"pith_short_12","alias_value":"S5ZMV4CXYWJF","created_at":"2026-07-05T06:53:26Z"},{"alias_kind":"pith_short_16","alias_value":"S5ZMV4CXYWJFOBMO","created_at":"2026-07-05T06:53:26Z"},{"alias_kind":"pith_short_8","alias_value":"S5ZMV4CX","created_at":"2026-07-05T06:53:26Z"}],"graph_snapshots":[{"event_id":"sha256:6d2f3509c356f130a966a175ddeb17f3b5ef1e2b88d41a13918f609c02da2404","target":"graph","created_at":"2026-07-05T06:53:26Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2309.13032/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Modern Space Launch Vehicles (SLVs), being slender in shape and due to the use of lightweight materials, are generally flexible in nature. This structural flexibility, when coupled with sensor and actuator dynamics, can adversely affect the control of SLV, which may lead to vehicle instability and, in the worst-case scenario, to structural failure. This work focuses on modelling and simulation of rigid and flexible dynamics of an SLV and its interactions with the control system. SpaceX's Falcon 9 has been selected for this study. The flexible modes are calculated using modal analysis in Ansys.","authors_text":"Hafiz Zeeshan Iqbal Khan, Jamshed Riaz, Muhammad Abdullah Aamer, Qurat Ul Ain, Ushbah Kaleem","cross_cats":["cs.SY"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SY","submitted_at":"2023-09-22T17:47:38Z","title":"Modelling, Simulation, and Control of a Flexible Space Launch Vehicle"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.13032","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":"sha256:09cc2cf987f1545364106465783f3db47342547db3a8a0fde46ea121acdb066a","target":"record","created_at":"2026-07-05T06:53:26Z","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":"140df8bb8df3f933bf578a1ed1c30f36a6c192ea75c48126e1504cc2e34aec94","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SY","submitted_at":"2023-09-22T17:47:38Z","title_canon_sha256":"3352c9471142411f08bdc2e271313edd01783824d3d003ef804e00c2c45fa1f0"},"schema_version":"1.0","source":{"id":"2309.13032","kind":"arxiv","version":1}},"canonical_sha256":"9772caf057c59257058e0071019b760632683781bbded488542c8f642070098a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9772caf057c59257058e0071019b760632683781bbded488542c8f642070098a","first_computed_at":"2026-07-05T06:53:26.301653Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:53:26.301653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PhjIgi0QN4IddxdMdQY93SIhwzvQHILh6YCwHI4Dwh05/yxHs114Ycww+Z/qufWfhJR9Jx0lL0astYMvCgevBA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:53:26.302057Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.13032","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09cc2cf987f1545364106465783f3db47342547db3a8a0fde46ea121acdb066a","sha256:6d2f3509c356f130a966a175ddeb17f3b5ef1e2b88d41a13918f609c02da2404"],"state_sha256":"cef2cf9f796031f295c13c0de0343df588cd9783b4118654e0c68cf99eb9f2c0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lvIJmw0fEstNvg21NVJ64nCwH8uoEMWKZ/382/fd4cemKpxCmIeUAjjJXzj1sgf8gT+UBw5z4IMK0Ud9tZsuCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T15:17:02.429917Z","bundle_sha256":"7409ae93f99efd26136de83ccf50d9b37dcf8a4fd090f04760e6c20ee3fc9183"}}