{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:ZEC5WA5QNHIXIMQA2GGZW7BZSG","short_pith_number":"pith:ZEC5WA5Q","canonical_record":{"source":{"id":"2312.04053","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2023-12-07T05:23:55Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"4599f822da7260846f3c1fafc5788e5d6db592defbad0844a813750bcaaa6b81","abstract_canon_sha256":"4631c7970a5c1de824a93481bd3f4e6a731a5015cbb1a4386fa49fd4eaf512ab"},"schema_version":"1.0"},"canonical_sha256":"c905db03b069d1743200d18d9b7c39918fb63e108bff6e9a4b7ea51eae138fef","source":{"kind":"arxiv","id":"2312.04053","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.04053","created_at":"2026-07-05T09:29:13Z"},{"alias_kind":"arxiv_version","alias_value":"2312.04053v2","created_at":"2026-07-05T09:29:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.04053","created_at":"2026-07-05T09:29:13Z"},{"alias_kind":"pith_short_12","alias_value":"ZEC5WA5QNHIX","created_at":"2026-07-05T09:29:13Z"},{"alias_kind":"pith_short_16","alias_value":"ZEC5WA5QNHIXIMQA","created_at":"2026-07-05T09:29:13Z"},{"alias_kind":"pith_short_8","alias_value":"ZEC5WA5Q","created_at":"2026-07-05T09:29:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:ZEC5WA5QNHIXIMQA2GGZW7BZSG","target":"record","payload":{"canonical_record":{"source":{"id":"2312.04053","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2023-12-07T05:23:55Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"4599f822da7260846f3c1fafc5788e5d6db592defbad0844a813750bcaaa6b81","abstract_canon_sha256":"4631c7970a5c1de824a93481bd3f4e6a731a5015cbb1a4386fa49fd4eaf512ab"},"schema_version":"1.0"},"canonical_sha256":"c905db03b069d1743200d18d9b7c39918fb63e108bff6e9a4b7ea51eae138fef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:29:13.576987Z","signature_b64":"eAvQkmq4QP5VYfTOrWvxjRjUv45Pxy6YXQFZ5/7zHk/+zdprXhnYaQG/IrE05J0fQMRRtgIC4hRt8RwcREYfDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c905db03b069d1743200d18d9b7c39918fb63e108bff6e9a4b7ea51eae138fef","last_reissued_at":"2026-07-05T09:29:13.576426Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:29:13.576426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.04053","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":"2026-07-05T09:29:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LWqi/ewHrh80xv7n285NO1BfyR8Ni0kPscASsDapiFug7zef1VD7xhr5ObgfkBj07A288GSKYKHixBW15WdSAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T17:06:17.031278Z"},"content_sha256":"33dd64ef0422b226c48496d365ab6bd08db0e197eb554a17cf20317e8a720193","schema_version":"1.0","event_id":"sha256:33dd64ef0422b226c48496d365ab6bd08db0e197eb554a17cf20317e8a720193"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:ZEC5WA5QNHIXIMQA2GGZW7BZSG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling and Design Optimization of a Linear Motor with Halbach Array for Semiconductor Manufacturing Technology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"David L. Trumper, James L. Kirtley, Jeffrey H. Lang, Sajjad Mohammadi","submitted_at":"2023-12-07T05:23:55Z","abstract_excerpt":"This paper presents analytical modeling and design of a high-acceleration, low-vibration slotless double-sided linear motor with an arbitrary Halbach array for lithography machines used in semiconductor manufacturing technology. Amperian current and magnetic charge models of permanent magnets are integrated into a hybrid approach to develop comprehensive analytical modeling. Unlike conventional methods that treat magnets as sources for Poisson's equations, the solution is reduced to Laplace's equations, with magnets being represented as boundary conditions. The magnetic fields and potentials w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.04053","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2312.04053/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":"2026-07-05T09:29:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cuZEu5rQqzCB034j3gt7nPJEKAygCB4tSU6KYyK+sdLIZ5zC/ZUVPsfyP2++kb3Qcl5GUN+oQX5W1f8cmSMxAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T17:06:17.031774Z"},"content_sha256":"bce420a1fe2a2d233c29b9bb04011560df0fd11186e0228574d6cbb2cc096cc4","schema_version":"1.0","event_id":"sha256:bce420a1fe2a2d233c29b9bb04011560df0fd11186e0228574d6cbb2cc096cc4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZEC5WA5QNHIXIMQA2GGZW7BZSG/bundle.json","state_url":"https://pith.science/pith/ZEC5WA5QNHIXIMQA2GGZW7BZSG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZEC5WA5QNHIXIMQA2GGZW7BZSG/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":"2026-08-23T17:06:17Z","links":{"resolver":"https://pith.science/pith/ZEC5WA5QNHIXIMQA2GGZW7BZSG","bundle":"https://pith.science/pith/ZEC5WA5QNHIXIMQA2GGZW7BZSG/bundle.json","state":"https://pith.science/pith/ZEC5WA5QNHIXIMQA2GGZW7BZSG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZEC5WA5QNHIXIMQA2GGZW7BZSG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:ZEC5WA5QNHIXIMQA2GGZW7BZSG","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":"4631c7970a5c1de824a93481bd3f4e6a731a5015cbb1a4386fa49fd4eaf512ab","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2023-12-07T05:23:55Z","title_canon_sha256":"4599f822da7260846f3c1fafc5788e5d6db592defbad0844a813750bcaaa6b81"},"schema_version":"1.0","source":{"id":"2312.04053","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.04053","created_at":"2026-07-05T09:29:13Z"},{"alias_kind":"arxiv_version","alias_value":"2312.04053v2","created_at":"2026-07-05T09:29:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.04053","created_at":"2026-07-05T09:29:13Z"},{"alias_kind":"pith_short_12","alias_value":"ZEC5WA5QNHIX","created_at":"2026-07-05T09:29:13Z"},{"alias_kind":"pith_short_16","alias_value":"ZEC5WA5QNHIXIMQA","created_at":"2026-07-05T09:29:13Z"},{"alias_kind":"pith_short_8","alias_value":"ZEC5WA5Q","created_at":"2026-07-05T09:29:13Z"}],"graph_snapshots":[{"event_id":"sha256:bce420a1fe2a2d233c29b9bb04011560df0fd11186e0228574d6cbb2cc096cc4","target":"graph","created_at":"2026-07-05T09:29:13Z","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/2312.04053/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents analytical modeling and design of a high-acceleration, low-vibration slotless double-sided linear motor with an arbitrary Halbach array for lithography machines used in semiconductor manufacturing technology. Amperian current and magnetic charge models of permanent magnets are integrated into a hybrid approach to develop comprehensive analytical modeling. Unlike conventional methods that treat magnets as sources for Poisson's equations, the solution is reduced to Laplace's equations, with magnets being represented as boundary conditions. The magnetic fields and potentials w","authors_text":"David L. Trumper, James L. Kirtley, Jeffrey H. Lang, Sajjad Mohammadi","cross_cats":["cs.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2023-12-07T05:23:55Z","title":"Modeling and Design Optimization of a Linear Motor with Halbach Array for Semiconductor Manufacturing Technology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.04053","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":"sha256:33dd64ef0422b226c48496d365ab6bd08db0e197eb554a17cf20317e8a720193","target":"record","created_at":"2026-07-05T09:29:13Z","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":"4631c7970a5c1de824a93481bd3f4e6a731a5015cbb1a4386fa49fd4eaf512ab","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2023-12-07T05:23:55Z","title_canon_sha256":"4599f822da7260846f3c1fafc5788e5d6db592defbad0844a813750bcaaa6b81"},"schema_version":"1.0","source":{"id":"2312.04053","kind":"arxiv","version":2}},"canonical_sha256":"c905db03b069d1743200d18d9b7c39918fb63e108bff6e9a4b7ea51eae138fef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c905db03b069d1743200d18d9b7c39918fb63e108bff6e9a4b7ea51eae138fef","first_computed_at":"2026-07-05T09:29:13.576426Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:29:13.576426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eAvQkmq4QP5VYfTOrWvxjRjUv45Pxy6YXQFZ5/7zHk/+zdprXhnYaQG/IrE05J0fQMRRtgIC4hRt8RwcREYfDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:29:13.576987Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.04053","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:33dd64ef0422b226c48496d365ab6bd08db0e197eb554a17cf20317e8a720193","sha256:bce420a1fe2a2d233c29b9bb04011560df0fd11186e0228574d6cbb2cc096cc4"],"state_sha256":"1ed1e445171b705309c3d1a0e910f29c32a42b4bace52d74fc9a4d4c7e876931"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JxZB6b+BlDN56A75piIXIpIW/zW38aJbycU2MatVJ1NcG3270pW84iJsNWbHu0Y352u7TWOicCgfKP17s8aUBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T17:06:17.035930Z","bundle_sha256":"e51950dca09c819dafc5cd4f82babe341715a4d13a2801683c0f6dab771b7316"}}