{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:FBLAUPUIXQPBHFBXOA2FZKTB4D","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":"a3ebb246509e9adf718a12d2c41163886641fd325af6e81977212a593c54a1c8","cross_cats_sorted":["eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-20T14:19:29Z","title_canon_sha256":"42fc5508096901884b701a7d52b1daeb9133ccf3511d8cdb0b90c040847b0dce"},"schema_version":"1.0","source":{"id":"1909.13622","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.13622","created_at":"2026-07-05T00:08:12Z"},{"alias_kind":"arxiv_version","alias_value":"1909.13622v1","created_at":"2026-07-05T00:08:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.13622","created_at":"2026-07-05T00:08:12Z"},{"alias_kind":"pith_short_12","alias_value":"FBLAUPUIXQPB","created_at":"2026-07-05T00:08:12Z"},{"alias_kind":"pith_short_16","alias_value":"FBLAUPUIXQPBHFBX","created_at":"2026-07-05T00:08:12Z"},{"alias_kind":"pith_short_8","alias_value":"FBLAUPUI","created_at":"2026-07-05T00:08:12Z"}],"graph_snapshots":[{"event_id":"sha256:3eb98d2d54be8013c25d77288420f8313a27be19ecb63a458d8d05e6704570c0","target":"graph","created_at":"2026-07-05T00:08:12Z","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/1909.13622/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"On-silicon inductors using a bulk 0.18 {\\mu}m CMOS process have been designed. By shunting different metal layers in parallel, inductor values and quality factors were simulated. Selected inductors were then employed in two open-loop buck converters for comparison: the first used an off-chip discrete diode, and the second used an on-chip active diode. All inductors and converters were sent for fabrication. The fabricated inductors were then measured to have values more than 250 nH over a wide range of frequency, validating the simulation results. The buck converters were switched at 30 MHz wit","authors_text":"Nan Xu, Wing-Hung Ki","cross_cats":["eess.SP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-20T14:19:29Z","title":"Investigation of On-Chip Inductors for Fully Integrated DC-DC Converters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.13622","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":"sha256:9e1c60494387c225bfa48f8c180d49d447320cb69f51ad2ffcb5e05305f3e26c","target":"record","created_at":"2026-07-05T00:08:12Z","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":"a3ebb246509e9adf718a12d2c41163886641fd325af6e81977212a593c54a1c8","cross_cats_sorted":["eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-20T14:19:29Z","title_canon_sha256":"42fc5508096901884b701a7d52b1daeb9133ccf3511d8cdb0b90c040847b0dce"},"schema_version":"1.0","source":{"id":"1909.13622","kind":"arxiv","version":1}},"canonical_sha256":"28560a3e88bc1e13943770345caa61e0d56f23c51c812dfad3b8a9aa1d83cc92","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28560a3e88bc1e13943770345caa61e0d56f23c51c812dfad3b8a9aa1d83cc92","first_computed_at":"2026-07-05T00:08:12.151385Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:08:12.151385Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H8RPOPI6xUUGOTEBCoko517+/xNtuKexXu8d5IF/bGQeX6lYhiZ5DpHkABepGQusd/OzRKZjH8o2dVRqHM3vBA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:08:12.151845Z","signed_message":"canonical_sha256_bytes"},"source_id":"1909.13622","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e1c60494387c225bfa48f8c180d49d447320cb69f51ad2ffcb5e05305f3e26c","sha256:3eb98d2d54be8013c25d77288420f8313a27be19ecb63a458d8d05e6704570c0"],"state_sha256":"525369f634fdc1b605457c0dc82421b152c2b606bf1ca64b91ca17d3272d9386"}