{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:DZG42XRTYOX3YXG73NV5KTGG4G","short_pith_number":"pith:DZG42XRT","schema_version":"1.0","canonical_sha256":"1e4dcd5e33c3afbc5cdfdb6bd54cc6e1af18b56dc68a0a372727e01452b67482","source":{"kind":"arxiv","id":"1705.08750","version":4},"attestation_state":"computed","paper":{"title":"Second Law based definition of passivity/activity of devices","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.gen-ph","authors_text":"David K. Ferry, Kyle Sundqvist, Laszlo B. Kish","submitted_at":"2017-05-23T00:51:03Z","abstract_excerpt":"Recently, our efforts to clarify the old question, if a memristor is a passive or active device [1], triggered debates between engineers, who have had advanced definitions of passivity/activity of devices, and physicists with significantly different views about this seemingly simple question. This debate triggered our efforts to test the well-known engineering concepts about passivity/activity in a deeper way, challenging them by statistical physics. It is shown that the advanced engineering definition of passivity/activity of devices is self-contradictory when a thermodynamical system executi"},"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":"1705.08750","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.gen-ph","submitted_at":"2017-05-23T00:51:03Z","cross_cats_sorted":[],"title_canon_sha256":"a59566a67b5d2ad45181fd839d32c433784e1c367e46379922187b05681f3915","abstract_canon_sha256":"dd0e17a6b0d5d141f0196d261c11ef55cb049275925f9c2a8fde7510a7bd6fac"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:17.946359Z","signature_b64":"yKU6DpNjfp4z15BUOuvk/Bh+pSjet4xuA4bXdo/5TCQiMPrLDTAbM5phLxDDEmfWJUOHivGL0/ZalHLc7Bf5Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e4dcd5e33c3afbc5cdfdb6bd54cc6e1af18b56dc68a0a372727e01452b67482","last_reissued_at":"2026-05-18T00:33:17.945799Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:17.945799Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Second Law based definition of passivity/activity of devices","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.gen-ph","authors_text":"David K. Ferry, Kyle Sundqvist, Laszlo B. Kish","submitted_at":"2017-05-23T00:51:03Z","abstract_excerpt":"Recently, our efforts to clarify the old question, if a memristor is a passive or active device [1], triggered debates between engineers, who have had advanced definitions of passivity/activity of devices, and physicists with significantly different views about this seemingly simple question. This debate triggered our efforts to test the well-known engineering concepts about passivity/activity in a deeper way, challenging them by statistical physics. It is shown that the advanced engineering definition of passivity/activity of devices is self-contradictory when a thermodynamical system executi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.08750","kind":"arxiv","version":4},"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":"1705.08750","created_at":"2026-05-18T00:33:17.945890+00:00"},{"alias_kind":"arxiv_version","alias_value":"1705.08750v4","created_at":"2026-05-18T00:33:17.945890+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.08750","created_at":"2026-05-18T00:33:17.945890+00:00"},{"alias_kind":"pith_short_12","alias_value":"DZG42XRTYOX3","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"DZG42XRTYOX3YXG7","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"DZG42XRT","created_at":"2026-05-18T12:31:12.930513+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/DZG42XRTYOX3YXG73NV5KTGG4G","json":"https://pith.science/pith/DZG42XRTYOX3YXG73NV5KTGG4G.json","graph_json":"https://pith.science/api/pith-number/DZG42XRTYOX3YXG73NV5KTGG4G/graph.json","events_json":"https://pith.science/api/pith-number/DZG42XRTYOX3YXG73NV5KTGG4G/events.json","paper":"https://pith.science/paper/DZG42XRT"},"agent_actions":{"view_html":"https://pith.science/pith/DZG42XRTYOX3YXG73NV5KTGG4G","download_json":"https://pith.science/pith/DZG42XRTYOX3YXG73NV5KTGG4G.json","view_paper":"https://pith.science/paper/DZG42XRT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1705.08750&json=true","fetch_graph":"https://pith.science/api/pith-number/DZG42XRTYOX3YXG73NV5KTGG4G/graph.json","fetch_events":"https://pith.science/api/pith-number/DZG42XRTYOX3YXG73NV5KTGG4G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DZG42XRTYOX3YXG73NV5KTGG4G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DZG42XRTYOX3YXG73NV5KTGG4G/action/storage_attestation","attest_author":"https://pith.science/pith/DZG42XRTYOX3YXG73NV5KTGG4G/action/author_attestation","sign_citation":"https://pith.science/pith/DZG42XRTYOX3YXG73NV5KTGG4G/action/citation_signature","submit_replication":"https://pith.science/pith/DZG42XRTYOX3YXG73NV5KTGG4G/action/replication_record"}},"created_at":"2026-05-18T00:33:17.945890+00:00","updated_at":"2026-05-18T00:33:17.945890+00:00"}