{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:NSCRALFRRR6E5SEXIDG6HFVPOG","short_pith_number":"pith:NSCRALFR","schema_version":"1.0","canonical_sha256":"6c85102cb18c7c4ec89740cde396af718274eb9caabfdad3961a90b138fb36cf","source":{"kind":"arxiv","id":"1804.05563","version":1},"attestation_state":"computed","paper":{"title":"Additive Manufactured and Topology Optimized Passive Shimming Elements for Permanent Magnetic Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"C. Abert, C. Huber, D. Suess, F. Bruckner, I. Teliban, M. Goertler, M. Groenefeld","submitted_at":"2018-04-16T09:11:19Z","abstract_excerpt":"A method to create a highly homogeneous magnetic field by applying topology optimized, additively manufactured shimming elements is investigated. The topology optimization algorithm can calculate a suitable permanent and nonlinear soft magnetic design that fulfills the desired field properties. The permanent magnetic particles are bonded in a polyamide matrix, and they are manufactured with a low-cost, end-user 3D printer. Stray field measurements and an inverse stray field simulation framework can determine printing and magnetization errors. The customized shimming elements are manufactured b"},"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":"1804.05563","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-04-16T09:11:19Z","cross_cats_sorted":[],"title_canon_sha256":"f20fb4749ffdbbae39981ea9ef42c83d0d280c62cebc9e7b09f3da0f5ef258b9","abstract_canon_sha256":"776701da2b30fc1615e99ab7f5006dfbc9a57bd83b89cc0b034378955e7c5932"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:27.822693Z","signature_b64":"rZczwOmEsHzCWGUDOMF9/freUU5RfT8hLaHUnTsDCZNUmJsY++fzc86z0btbM7QHWOOUk3a/JAicaDzqUqD9Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c85102cb18c7c4ec89740cde396af718274eb9caabfdad3961a90b138fb36cf","last_reissued_at":"2026-05-18T00:18:27.822197Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:27.822197Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Additive Manufactured and Topology Optimized Passive Shimming Elements for Permanent Magnetic Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"C. Abert, C. Huber, D. Suess, F. Bruckner, I. Teliban, M. Goertler, M. Groenefeld","submitted_at":"2018-04-16T09:11:19Z","abstract_excerpt":"A method to create a highly homogeneous magnetic field by applying topology optimized, additively manufactured shimming elements is investigated. The topology optimization algorithm can calculate a suitable permanent and nonlinear soft magnetic design that fulfills the desired field properties. The permanent magnetic particles are bonded in a polyamide matrix, and they are manufactured with a low-cost, end-user 3D printer. Stray field measurements and an inverse stray field simulation framework can determine printing and magnetization errors. The customized shimming elements are manufactured b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.05563","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1804.05563","created_at":"2026-05-18T00:18:27.822278+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.05563v1","created_at":"2026-05-18T00:18:27.822278+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.05563","created_at":"2026-05-18T00:18:27.822278+00:00"},{"alias_kind":"pith_short_12","alias_value":"NSCRALFRRR6E","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_16","alias_value":"NSCRALFRRR6E5SEX","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_8","alias_value":"NSCRALFR","created_at":"2026-05-18T12:32:40.477152+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/NSCRALFRRR6E5SEXIDG6HFVPOG","json":"https://pith.science/pith/NSCRALFRRR6E5SEXIDG6HFVPOG.json","graph_json":"https://pith.science/api/pith-number/NSCRALFRRR6E5SEXIDG6HFVPOG/graph.json","events_json":"https://pith.science/api/pith-number/NSCRALFRRR6E5SEXIDG6HFVPOG/events.json","paper":"https://pith.science/paper/NSCRALFR"},"agent_actions":{"view_html":"https://pith.science/pith/NSCRALFRRR6E5SEXIDG6HFVPOG","download_json":"https://pith.science/pith/NSCRALFRRR6E5SEXIDG6HFVPOG.json","view_paper":"https://pith.science/paper/NSCRALFR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.05563&json=true","fetch_graph":"https://pith.science/api/pith-number/NSCRALFRRR6E5SEXIDG6HFVPOG/graph.json","fetch_events":"https://pith.science/api/pith-number/NSCRALFRRR6E5SEXIDG6HFVPOG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NSCRALFRRR6E5SEXIDG6HFVPOG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NSCRALFRRR6E5SEXIDG6HFVPOG/action/storage_attestation","attest_author":"https://pith.science/pith/NSCRALFRRR6E5SEXIDG6HFVPOG/action/author_attestation","sign_citation":"https://pith.science/pith/NSCRALFRRR6E5SEXIDG6HFVPOG/action/citation_signature","submit_replication":"https://pith.science/pith/NSCRALFRRR6E5SEXIDG6HFVPOG/action/replication_record"}},"created_at":"2026-05-18T00:18:27.822278+00:00","updated_at":"2026-05-18T00:18:27.822278+00:00"}