{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:L3DL7GZQE6ICBZSWLRWJP26HB2","short_pith_number":"pith:L3DL7GZQ","canonical_record":{"source":{"id":"1805.07514","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-05-19T04:47:23Z","cross_cats_sorted":[],"title_canon_sha256":"563628635ea12c069d4990c08051962313bd9af8a89ec6a8f2e4568dd1f1efa7","abstract_canon_sha256":"5c7fc1407c6e0d0021441b200514eec1db40949689116a6b16369db01cf1c62e"},"schema_version":"1.0"},"canonical_sha256":"5ec6bf9b30279020e6565c6c97ebc70eace6b6b18e8a4fb9be0c9e15ffbfd71d","source":{"kind":"arxiv","id":"1805.07514","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.07514","created_at":"2026-05-17T23:47:20Z"},{"alias_kind":"arxiv_version","alias_value":"1805.07514v1","created_at":"2026-05-17T23:47:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.07514","created_at":"2026-05-17T23:47:20Z"},{"alias_kind":"pith_short_12","alias_value":"L3DL7GZQE6IC","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"L3DL7GZQE6ICBZSW","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"L3DL7GZQ","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:L3DL7GZQE6ICBZSWLRWJP26HB2","target":"record","payload":{"canonical_record":{"source":{"id":"1805.07514","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-05-19T04:47:23Z","cross_cats_sorted":[],"title_canon_sha256":"563628635ea12c069d4990c08051962313bd9af8a89ec6a8f2e4568dd1f1efa7","abstract_canon_sha256":"5c7fc1407c6e0d0021441b200514eec1db40949689116a6b16369db01cf1c62e"},"schema_version":"1.0"},"canonical_sha256":"5ec6bf9b30279020e6565c6c97ebc70eace6b6b18e8a4fb9be0c9e15ffbfd71d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:20.930578Z","signature_b64":"5g9wGm0m3BDYsa/BIEllgyzhzYQtoP8bGkyoJB3iJhFX0qYhSCPUV/dGWBOatJzCBhbncbNg9mnH9QcndmtTDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ec6bf9b30279020e6565c6c97ebc70eace6b6b18e8a4fb9be0c9e15ffbfd71d","last_reissued_at":"2026-05-17T23:47:20.929996Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:20.929996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.07514","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":"2026-05-17T23:47:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s/jPakiLrrHg62QSs3rJC1molRFtV5cYeEWVGkILTCcdyg5XiXAIoBdx/fXpDDrp/v3Kb1qJn+hDz7Z9zST5Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T17:40:43.241068Z"},"content_sha256":"2cdf0799424e540a104830af215ffa21ba126727fcc47210e986bb563b9f3944","schema_version":"1.0","event_id":"sha256:2cdf0799424e540a104830af215ffa21ba126727fcc47210e986bb563b9f3944"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:L3DL7GZQE6ICBZSWLRWJP26HB2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimization of Neon Soft X-ray Emission in Low Energy Dense Plasma Focus Device","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"M. A. Malek, M. K. Islam, M. Salahuddin","submitted_at":"2018-05-19T04:47:23Z","abstract_excerpt":"The Lee model code is used in numerical experiments for characterizing and optimizing neon soft X-ray (Ysxr) yield of UNU/ICTP PFF machine operated at 14 kV and 30 micro F. The neon Ysxr yield of the dense plasma focus device is enhanced by reducing static inductance (L0) and anode length (z0) along with increasing anode radius (a) and cathode radius (b), keeping their ratio (c = b/a) constant at 3.368. At the optimum combination of the electrodes geometry and static inductance, the maximum computed value of neon Ysxr yield is 63.61 J at operating pressure 3.3 Torr with corresponding X-ray yie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.07514","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":"2026-05-17T23:47:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SF0FADLMrYl/FCiX6F45dwpPuyitthzA3o4Nay9lMQxT3viLbSNxrd+AyLbQmVa0/kwszQzAH8xkLsO+Fll+Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T17:40:43.241793Z"},"content_sha256":"9d9a77153a852bd5fd51a85933055b579dcafa950ef1db9d6749d08132a741cc","schema_version":"1.0","event_id":"sha256:9d9a77153a852bd5fd51a85933055b579dcafa950ef1db9d6749d08132a741cc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L3DL7GZQE6ICBZSWLRWJP26HB2/bundle.json","state_url":"https://pith.science/pith/L3DL7GZQE6ICBZSWLRWJP26HB2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L3DL7GZQE6ICBZSWLRWJP26HB2/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":"2026-05-30T17:40:43Z","links":{"resolver":"https://pith.science/pith/L3DL7GZQE6ICBZSWLRWJP26HB2","bundle":"https://pith.science/pith/L3DL7GZQE6ICBZSWLRWJP26HB2/bundle.json","state":"https://pith.science/pith/L3DL7GZQE6ICBZSWLRWJP26HB2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L3DL7GZQE6ICBZSWLRWJP26HB2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:L3DL7GZQE6ICBZSWLRWJP26HB2","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":"5c7fc1407c6e0d0021441b200514eec1db40949689116a6b16369db01cf1c62e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-05-19T04:47:23Z","title_canon_sha256":"563628635ea12c069d4990c08051962313bd9af8a89ec6a8f2e4568dd1f1efa7"},"schema_version":"1.0","source":{"id":"1805.07514","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.07514","created_at":"2026-05-17T23:47:20Z"},{"alias_kind":"arxiv_version","alias_value":"1805.07514v1","created_at":"2026-05-17T23:47:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.07514","created_at":"2026-05-17T23:47:20Z"},{"alias_kind":"pith_short_12","alias_value":"L3DL7GZQE6IC","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"L3DL7GZQE6ICBZSW","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"L3DL7GZQ","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:9d9a77153a852bd5fd51a85933055b579dcafa950ef1db9d6749d08132a741cc","target":"graph","created_at":"2026-05-17T23:47:20Z","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":"The Lee model code is used in numerical experiments for characterizing and optimizing neon soft X-ray (Ysxr) yield of UNU/ICTP PFF machine operated at 14 kV and 30 micro F. The neon Ysxr yield of the dense plasma focus device is enhanced by reducing static inductance (L0) and anode length (z0) along with increasing anode radius (a) and cathode radius (b), keeping their ratio (c = b/a) constant at 3.368. At the optimum combination of the electrodes geometry and static inductance, the maximum computed value of neon Ysxr yield is 63.61 J at operating pressure 3.3 Torr with corresponding X-ray yie","authors_text":"M. A. Malek, M. K. Islam, M. Salahuddin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-05-19T04:47:23Z","title":"Optimization of Neon Soft X-ray Emission in Low Energy Dense Plasma Focus Device"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.07514","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":"sha256:2cdf0799424e540a104830af215ffa21ba126727fcc47210e986bb563b9f3944","target":"record","created_at":"2026-05-17T23:47:20Z","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":"5c7fc1407c6e0d0021441b200514eec1db40949689116a6b16369db01cf1c62e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-05-19T04:47:23Z","title_canon_sha256":"563628635ea12c069d4990c08051962313bd9af8a89ec6a8f2e4568dd1f1efa7"},"schema_version":"1.0","source":{"id":"1805.07514","kind":"arxiv","version":1}},"canonical_sha256":"5ec6bf9b30279020e6565c6c97ebc70eace6b6b18e8a4fb9be0c9e15ffbfd71d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ec6bf9b30279020e6565c6c97ebc70eace6b6b18e8a4fb9be0c9e15ffbfd71d","first_computed_at":"2026-05-17T23:47:20.929996Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:20.929996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5g9wGm0m3BDYsa/BIEllgyzhzYQtoP8bGkyoJB3iJhFX0qYhSCPUV/dGWBOatJzCBhbncbNg9mnH9QcndmtTDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:20.930578Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.07514","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2cdf0799424e540a104830af215ffa21ba126727fcc47210e986bb563b9f3944","sha256:9d9a77153a852bd5fd51a85933055b579dcafa950ef1db9d6749d08132a741cc"],"state_sha256":"69d5dd80a0aef19360b773585cf0c551f482ae3ffaf1296fabdb5ccaf60bd613"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UEWrgg7l6suESBeOpP2fWhSiwQbX+uKn4Z/iEer3v95yZ9wRXrG2HL+95efx1wX/c3+qT5Wt8Bi10vRK8NuqBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T17:40:43.245714Z","bundle_sha256":"7adbd2ac0259535c1f63707cd0f3be5b17cb311a9724194001295fa6d21ff3df"}}