{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:GEWZQJBIVTZSRIKUIAGPJE4TXS","short_pith_number":"pith:GEWZQJBI","canonical_record":{"source":{"id":"1504.06049","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2015-04-23T06:15:08Z","cross_cats_sorted":[],"title_canon_sha256":"4279cf55469be6dfb01ab959febdce275001b8de665772f16c3c37bc130e9e05","abstract_canon_sha256":"c700a4b3fa69d6fd70eaaf6896fd114e34cbb29e6dc9b62f4f7fbbea963a182b"},"schema_version":"1.0"},"canonical_sha256":"312d982428acf328a154400cf49393bc84620f2237a43fbb4efbfbc6d9925ba1","source":{"kind":"arxiv","id":"1504.06049","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.06049","created_at":"2026-05-18T00:45:20Z"},{"alias_kind":"arxiv_version","alias_value":"1504.06049v1","created_at":"2026-05-18T00:45:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.06049","created_at":"2026-05-18T00:45:20Z"},{"alias_kind":"pith_short_12","alias_value":"GEWZQJBIVTZS","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GEWZQJBIVTZSRIKU","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GEWZQJBI","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:GEWZQJBIVTZSRIKUIAGPJE4TXS","target":"record","payload":{"canonical_record":{"source":{"id":"1504.06049","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2015-04-23T06:15:08Z","cross_cats_sorted":[],"title_canon_sha256":"4279cf55469be6dfb01ab959febdce275001b8de665772f16c3c37bc130e9e05","abstract_canon_sha256":"c700a4b3fa69d6fd70eaaf6896fd114e34cbb29e6dc9b62f4f7fbbea963a182b"},"schema_version":"1.0"},"canonical_sha256":"312d982428acf328a154400cf49393bc84620f2237a43fbb4efbfbc6d9925ba1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:20.353963Z","signature_b64":"z4PrMeG5Cms19YECvnApmfo9LXi+izniBYz24Cl0ZO8ob7UzclLz+9DIIUZRlPyKjN1er7mWs500v5iGLrIODQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"312d982428acf328a154400cf49393bc84620f2237a43fbb4efbfbc6d9925ba1","last_reissued_at":"2026-05-18T00:45:20.353370Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:20.353370Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.06049","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":"2026-05-18T00:45:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0IjJ4YLuhGjQ1eVnysc7WZY4FXBxySN51jQaIxpRXQLccPUZMfD2f+leGMPUoX+6cCh7qBSFPKUjHZK4KCv/Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T16:28:20.946708Z"},"content_sha256":"9a4f3467ddfdd994352e4a95731fa531cfe7049dfbb332dd2ef45c617ff7412c","schema_version":"1.0","event_id":"sha256:9a4f3467ddfdd994352e4a95731fa531cfe7049dfbb332dd2ef45c617ff7412c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:GEWZQJBIVTZSRIKUIAGPJE4TXS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"State-space formulation of scalar Preisach hysteresis model for rapid computation in time domain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Michael Ruderman","submitted_at":"2015-04-23T06:15:08Z","abstract_excerpt":"A state-space formulation of classical scalar Preisach model (CSPM) of hysteresis is proposed. The introduced state dynamics and memory interface allow to use the state equation, which is rapid in calculation, instead of the original Preisach equation. The main benefit of the proposed modeling approach is the reduced computational effort which requires only a single integration over the instantaneous line segment in the Preisach plane. Numerical evaluations of the computation time and model accuracy are provided in comparison to the CSPM which is taken as a reference model."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.06049","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:45:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aA2BJ8b654nD7JqBm3yLh/sFzEfabkkbDn6Cx+M+FD424d8nxp/mbtSzlzUJzGv717UulM786NljUqCLJ37uDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T16:28:20.947056Z"},"content_sha256":"568214f867f812fb976de4ac3bb27ec95d457b7fee7ca33a30b5f51ee4e921a9","schema_version":"1.0","event_id":"sha256:568214f867f812fb976de4ac3bb27ec95d457b7fee7ca33a30b5f51ee4e921a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GEWZQJBIVTZSRIKUIAGPJE4TXS/bundle.json","state_url":"https://pith.science/pith/GEWZQJBIVTZSRIKUIAGPJE4TXS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GEWZQJBIVTZSRIKUIAGPJE4TXS/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":"2026-07-18T16:28:20Z","links":{"resolver":"https://pith.science/pith/GEWZQJBIVTZSRIKUIAGPJE4TXS","bundle":"https://pith.science/pith/GEWZQJBIVTZSRIKUIAGPJE4TXS/bundle.json","state":"https://pith.science/pith/GEWZQJBIVTZSRIKUIAGPJE4TXS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GEWZQJBIVTZSRIKUIAGPJE4TXS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:GEWZQJBIVTZSRIKUIAGPJE4TXS","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":"c700a4b3fa69d6fd70eaaf6896fd114e34cbb29e6dc9b62f4f7fbbea963a182b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2015-04-23T06:15:08Z","title_canon_sha256":"4279cf55469be6dfb01ab959febdce275001b8de665772f16c3c37bc130e9e05"},"schema_version":"1.0","source":{"id":"1504.06049","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.06049","created_at":"2026-05-18T00:45:20Z"},{"alias_kind":"arxiv_version","alias_value":"1504.06049v1","created_at":"2026-05-18T00:45:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.06049","created_at":"2026-05-18T00:45:20Z"},{"alias_kind":"pith_short_12","alias_value":"GEWZQJBIVTZS","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GEWZQJBIVTZSRIKU","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GEWZQJBI","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:568214f867f812fb976de4ac3bb27ec95d457b7fee7ca33a30b5f51ee4e921a9","target":"graph","created_at":"2026-05-18T00:45:20Z","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":"A state-space formulation of classical scalar Preisach model (CSPM) of hysteresis is proposed. The introduced state dynamics and memory interface allow to use the state equation, which is rapid in calculation, instead of the original Preisach equation. The main benefit of the proposed modeling approach is the reduced computational effort which requires only a single integration over the instantaneous line segment in the Preisach plane. Numerical evaluations of the computation time and model accuracy are provided in comparison to the CSPM which is taken as a reference model.","authors_text":"Michael Ruderman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2015-04-23T06:15:08Z","title":"State-space formulation of scalar Preisach hysteresis model for rapid computation in time domain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.06049","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":"sha256:9a4f3467ddfdd994352e4a95731fa531cfe7049dfbb332dd2ef45c617ff7412c","target":"record","created_at":"2026-05-18T00:45:20Z","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":"c700a4b3fa69d6fd70eaaf6896fd114e34cbb29e6dc9b62f4f7fbbea963a182b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2015-04-23T06:15:08Z","title_canon_sha256":"4279cf55469be6dfb01ab959febdce275001b8de665772f16c3c37bc130e9e05"},"schema_version":"1.0","source":{"id":"1504.06049","kind":"arxiv","version":1}},"canonical_sha256":"312d982428acf328a154400cf49393bc84620f2237a43fbb4efbfbc6d9925ba1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"312d982428acf328a154400cf49393bc84620f2237a43fbb4efbfbc6d9925ba1","first_computed_at":"2026-05-18T00:45:20.353370Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:20.353370Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z4PrMeG5Cms19YECvnApmfo9LXi+izniBYz24Cl0ZO8ob7UzclLz+9DIIUZRlPyKjN1er7mWs500v5iGLrIODQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:20.353963Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.06049","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a4f3467ddfdd994352e4a95731fa531cfe7049dfbb332dd2ef45c617ff7412c","sha256:568214f867f812fb976de4ac3bb27ec95d457b7fee7ca33a30b5f51ee4e921a9"],"state_sha256":"7496b8baabe8bfdda001ca5ec204636ad31881220ceefcdf7561451c3aa9b62c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vwqAjHScoRaL68UAfHuueU2QlVlIhe817ywGim/JEhzplJ/P+pBsS0lkU1Yy0yMU1esVVqXRcsc+3u+u6oqoBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-18T16:28:20.949754Z","bundle_sha256":"25537a4270d619416a87a901c6676747f020dbcb73810ec70c1d3b2d4be6bf11"}}