{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:HYW6KIAX77KIPUUERF35KCLIRL","short_pith_number":"pith:HYW6KIAX","schema_version":"1.0","canonical_sha256":"3e2de52017ffd487d2848977d509688afbbd359f87878ad2cf61ce7a5b2c39c1","source":{"kind":"arxiv","id":"1411.5869","version":3},"attestation_state":"computed","paper":{"title":"Optimization-based Alignment for Strapdown Inertial Navigation System Comparison and Extension","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.RO","authors_text":"Jingshu Li, Kailong Li, Lubin Chang","submitted_at":"2014-11-21T13:36:54Z","abstract_excerpt":"In this paper, the optimization-based alignment (OBA) methods are investigated with main focus on the vector observations construction procedures for the strapdown inertial navigation system (SINS). The contributions of this study are twofold. First the OBA method is extended to be able to estimate the gyroscopes biases coupled with the attitude based on the construction process of the existing OBA methods. This extension transforms the initial alignment into an attitude estimation problem which can be solved using the nonlinear filtering algorithms. The second contribution is the comprehensiv"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1411.5869","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2014-11-21T13:36:54Z","cross_cats_sorted":[],"title_canon_sha256":"775ec2192086fb0f2ef6e54d03504def65579f330ad2010eaa159c2e1c404ea0","abstract_canon_sha256":"0adccbc27992a05bc9e46c1cb73dabf7bf45f01c5a249f72ad168b9d756863bf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:57:05.082561Z","signature_b64":"whsV8zfa13WAKgubaT+lMEyh4hCZDziZGCh3crEctvio/Xq1Ah9/AKRfXqHKcDLk02TN+jrakNiIljI1NVS/Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e2de52017ffd487d2848977d509688afbbd359f87878ad2cf61ce7a5b2c39c1","last_reissued_at":"2026-05-18T00:57:05.082033Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:57:05.082033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optimization-based Alignment for Strapdown Inertial Navigation System Comparison and Extension","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.RO","authors_text":"Jingshu Li, Kailong Li, Lubin Chang","submitted_at":"2014-11-21T13:36:54Z","abstract_excerpt":"In this paper, the optimization-based alignment (OBA) methods are investigated with main focus on the vector observations construction procedures for the strapdown inertial navigation system (SINS). The contributions of this study are twofold. First the OBA method is extended to be able to estimate the gyroscopes biases coupled with the attitude based on the construction process of the existing OBA methods. This extension transforms the initial alignment into an attitude estimation problem which can be solved using the nonlinear filtering algorithms. The second contribution is the comprehensiv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5869","kind":"arxiv","version":3},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1411.5869","created_at":"2026-05-18T00:57:05.082116+00:00"},{"alias_kind":"arxiv_version","alias_value":"1411.5869v3","created_at":"2026-05-18T00:57:05.082116+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5869","created_at":"2026-05-18T00:57:05.082116+00:00"},{"alias_kind":"pith_short_12","alias_value":"HYW6KIAX77KI","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_16","alias_value":"HYW6KIAX77KIPUUE","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_8","alias_value":"HYW6KIAX","created_at":"2026-05-18T12:28:33.132498+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HYW6KIAX77KIPUUERF35KCLIRL","json":"https://pith.science/pith/HYW6KIAX77KIPUUERF35KCLIRL.json","graph_json":"https://pith.science/api/pith-number/HYW6KIAX77KIPUUERF35KCLIRL/graph.json","events_json":"https://pith.science/api/pith-number/HYW6KIAX77KIPUUERF35KCLIRL/events.json","paper":"https://pith.science/paper/HYW6KIAX"},"agent_actions":{"view_html":"https://pith.science/pith/HYW6KIAX77KIPUUERF35KCLIRL","download_json":"https://pith.science/pith/HYW6KIAX77KIPUUERF35KCLIRL.json","view_paper":"https://pith.science/paper/HYW6KIAX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1411.5869&json=true","fetch_graph":"https://pith.science/api/pith-number/HYW6KIAX77KIPUUERF35KCLIRL/graph.json","fetch_events":"https://pith.science/api/pith-number/HYW6KIAX77KIPUUERF35KCLIRL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HYW6KIAX77KIPUUERF35KCLIRL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HYW6KIAX77KIPUUERF35KCLIRL/action/storage_attestation","attest_author":"https://pith.science/pith/HYW6KIAX77KIPUUERF35KCLIRL/action/author_attestation","sign_citation":"https://pith.science/pith/HYW6KIAX77KIPUUERF35KCLIRL/action/citation_signature","submit_replication":"https://pith.science/pith/HYW6KIAX77KIPUUERF35KCLIRL/action/replication_record"}},"created_at":"2026-05-18T00:57:05.082116+00:00","updated_at":"2026-05-18T00:57:05.082116+00:00"}