{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:GU3GVCZDW2NKPSASMVHMC5ERXP","short_pith_number":"pith:GU3GVCZD","schema_version":"1.0","canonical_sha256":"35366a8b23b69aa7c812654ec17491bbe80a99309be06f113b0a0a113390a159","source":{"kind":"arxiv","id":"1202.5657","version":1},"attestation_state":"computed","paper":{"title":"Design of a Fractional Order Phase Shaper for Iso-damped Control of a PHWR under Step-back Condition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"math.OC","authors_text":"A.K. Chandra, Amitava Gupta, Bhaswati Goswami, Ratna Ghosh, R. Balasubramanian, Saptarshi Das, Shantanu Das, Suman Saha","submitted_at":"2012-02-25T15:49:42Z","abstract_excerpt":"Phase shaping using fractional order (FO) phase shapers has been proposed by many contemporary researchers as a means of producing systems with iso-damped closed loop response due to a stepped variation in input. Such systems, with the closed loop damping remaining invariant to gain changes can be used to produce dead-beat step response with only rise time varying with gain. This technique is used to achieve an active step-back in a Pressurized Heavy Water Reactor (PHWR) where it is desired to change the reactor power to a pre-determined value within a short interval keeping the power undersho"},"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":"1202.5657","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2012-02-25T15:49:42Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"6ff7ae696db17561843a17a10e35ee2371dcca70e10b96d78dc9e3a5ede19f5e","abstract_canon_sha256":"13d6cb3bd518a6b9b3ab458da2275c62eb4e7e928a59c640e4f8571d4d9d05bf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:01:25.141609Z","signature_b64":"rCp8crXuqFMsVV7hCug3OhjdmlzmAYNDVDfDL9Z3UIyl3Si5iOrikHd6k5Akn4aOLb5GGDZJSH2oijBpXkp7Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"35366a8b23b69aa7c812654ec17491bbe80a99309be06f113b0a0a113390a159","last_reissued_at":"2026-05-18T04:01:25.140972Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:01:25.140972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Design of a Fractional Order Phase Shaper for Iso-damped Control of a PHWR under Step-back Condition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"math.OC","authors_text":"A.K. Chandra, Amitava Gupta, Bhaswati Goswami, Ratna Ghosh, R. Balasubramanian, Saptarshi Das, Shantanu Das, Suman Saha","submitted_at":"2012-02-25T15:49:42Z","abstract_excerpt":"Phase shaping using fractional order (FO) phase shapers has been proposed by many contemporary researchers as a means of producing systems with iso-damped closed loop response due to a stepped variation in input. Such systems, with the closed loop damping remaining invariant to gain changes can be used to produce dead-beat step response with only rise time varying with gain. This technique is used to achieve an active step-back in a Pressurized Heavy Water Reactor (PHWR) where it is desired to change the reactor power to a pre-determined value within a short interval keeping the power undersho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5657","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":"1202.5657","created_at":"2026-05-18T04:01:25.141062+00:00"},{"alias_kind":"arxiv_version","alias_value":"1202.5657v1","created_at":"2026-05-18T04:01:25.141062+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5657","created_at":"2026-05-18T04:01:25.141062+00:00"},{"alias_kind":"pith_short_12","alias_value":"GU3GVCZDW2NK","created_at":"2026-05-18T12:27:06.952714+00:00"},{"alias_kind":"pith_short_16","alias_value":"GU3GVCZDW2NKPSAS","created_at":"2026-05-18T12:27:06.952714+00:00"},{"alias_kind":"pith_short_8","alias_value":"GU3GVCZD","created_at":"2026-05-18T12:27:06.952714+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/GU3GVCZDW2NKPSASMVHMC5ERXP","json":"https://pith.science/pith/GU3GVCZDW2NKPSASMVHMC5ERXP.json","graph_json":"https://pith.science/api/pith-number/GU3GVCZDW2NKPSASMVHMC5ERXP/graph.json","events_json":"https://pith.science/api/pith-number/GU3GVCZDW2NKPSASMVHMC5ERXP/events.json","paper":"https://pith.science/paper/GU3GVCZD"},"agent_actions":{"view_html":"https://pith.science/pith/GU3GVCZDW2NKPSASMVHMC5ERXP","download_json":"https://pith.science/pith/GU3GVCZDW2NKPSASMVHMC5ERXP.json","view_paper":"https://pith.science/paper/GU3GVCZD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1202.5657&json=true","fetch_graph":"https://pith.science/api/pith-number/GU3GVCZDW2NKPSASMVHMC5ERXP/graph.json","fetch_events":"https://pith.science/api/pith-number/GU3GVCZDW2NKPSASMVHMC5ERXP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GU3GVCZDW2NKPSASMVHMC5ERXP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GU3GVCZDW2NKPSASMVHMC5ERXP/action/storage_attestation","attest_author":"https://pith.science/pith/GU3GVCZDW2NKPSASMVHMC5ERXP/action/author_attestation","sign_citation":"https://pith.science/pith/GU3GVCZDW2NKPSASMVHMC5ERXP/action/citation_signature","submit_replication":"https://pith.science/pith/GU3GVCZDW2NKPSASMVHMC5ERXP/action/replication_record"}},"created_at":"2026-05-18T04:01:25.141062+00:00","updated_at":"2026-05-18T04:01:25.141062+00:00"}