{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:MGFF6T5KKLVM5ALRHDPUBF4LK6","short_pith_number":"pith:MGFF6T5K","canonical_record":{"source":{"id":"0907.2319","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-07-14T10:26:34Z","cross_cats_sorted":[],"title_canon_sha256":"af97ae8f826014626cd451ce0be4beb8620ed77353d72a4e1c6adcc2b12048dc","abstract_canon_sha256":"21b9e03e2b4ab0a8e7f59f2f7e75565d0e1549d31d50b611acb288a5e8dee133"},"schema_version":"1.0"},"canonical_sha256":"618a5f4faa52eace817138df40978b57933c6d27cbe0b2326ca031f46c9e03bf","source":{"kind":"arxiv","id":"0907.2319","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.2319","created_at":"2026-05-18T02:13:03Z"},{"alias_kind":"arxiv_version","alias_value":"0907.2319v1","created_at":"2026-05-18T02:13:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.2319","created_at":"2026-05-18T02:13:03Z"},{"alias_kind":"pith_short_12","alias_value":"MGFF6T5KKLVM","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"MGFF6T5KKLVM5ALR","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"MGFF6T5K","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:MGFF6T5KKLVM5ALRHDPUBF4LK6","target":"record","payload":{"canonical_record":{"source":{"id":"0907.2319","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-07-14T10:26:34Z","cross_cats_sorted":[],"title_canon_sha256":"af97ae8f826014626cd451ce0be4beb8620ed77353d72a4e1c6adcc2b12048dc","abstract_canon_sha256":"21b9e03e2b4ab0a8e7f59f2f7e75565d0e1549d31d50b611acb288a5e8dee133"},"schema_version":"1.0"},"canonical_sha256":"618a5f4faa52eace817138df40978b57933c6d27cbe0b2326ca031f46c9e03bf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:03.258088Z","signature_b64":"kV9TM7+iNFdyfJ0WMvKCHEyEeVGZ+leM3PpFvCxYnIGxO+cPOO7QJbbrUxK1YF1mUEP4IfhIFzmbPh/BXfGgAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"618a5f4faa52eace817138df40978b57933c6d27cbe0b2326ca031f46c9e03bf","last_reissued_at":"2026-05-18T02:13:03.257608Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:03.257608Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.2319","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":"2026-05-18T02:13:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o7ucsRwMMmV8O9rETQdcKH4p8YkRVBcDXQdBNRkzN4kDimNwwgHJ9FpZkUWB/dfrZ3n8r1OJ7etEFxebnyeiBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T20:43:54.667158Z"},"content_sha256":"febc6d9e68ae10255d12946561020240210ea5e44108cd4e4bc056dd29a8d86a","schema_version":"1.0","event_id":"sha256:febc6d9e68ae10255d12946561020240210ea5e44108cd4e4bc056dd29a8d86a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:MGFF6T5KKLVM5ALRHDPUBF4LK6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Jump Approach to Switching Process of a Josephson Junction Coupled to a Microscopic Two-Level System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Guozhu Sun, Jian Chen, Lin Kang, Ning Dong, Peiheng Wu, Weiwei Xu, Xueda Wen, Yang Yu, Yiwen Wang","submitted_at":"2009-07-14T10:26:34Z","abstract_excerpt":"With microwave irradiation, the switching current of a Josephson junction coupled to a microscopic two-level system jumps randomly between two discrete states. We modeled the switching process of the coupled system with quantum jump approach that was generally used in quantum optics. The parameters that affect the character of the quantum jumps between macroscopic quantum states are discussed. The results obtained from our theoretical analysis agree well with those of the experiments and provide a clear physical picture for the macroscopic quantum jumps in Josephson junctions coupled with two-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.2319","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":"2026-05-18T02:13:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TwWUgcjK2qKlc/JqD5m3Jy9fpZlZwVPvxosULKBb3WQ2FjpMIzLruZQiaA5ybNu5cD3x9wCA1EJcnGir7HYhCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T20:43:54.667822Z"},"content_sha256":"a04e2f1f04e0a6a6c45c2f32d722d047a9337f1cc2625a9428165bccdeeea048","schema_version":"1.0","event_id":"sha256:a04e2f1f04e0a6a6c45c2f32d722d047a9337f1cc2625a9428165bccdeeea048"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MGFF6T5KKLVM5ALRHDPUBF4LK6/bundle.json","state_url":"https://pith.science/pith/MGFF6T5KKLVM5ALRHDPUBF4LK6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MGFF6T5KKLVM5ALRHDPUBF4LK6/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":"2026-05-29T20:43:54Z","links":{"resolver":"https://pith.science/pith/MGFF6T5KKLVM5ALRHDPUBF4LK6","bundle":"https://pith.science/pith/MGFF6T5KKLVM5ALRHDPUBF4LK6/bundle.json","state":"https://pith.science/pith/MGFF6T5KKLVM5ALRHDPUBF4LK6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MGFF6T5KKLVM5ALRHDPUBF4LK6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:MGFF6T5KKLVM5ALRHDPUBF4LK6","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":"21b9e03e2b4ab0a8e7f59f2f7e75565d0e1549d31d50b611acb288a5e8dee133","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-07-14T10:26:34Z","title_canon_sha256":"af97ae8f826014626cd451ce0be4beb8620ed77353d72a4e1c6adcc2b12048dc"},"schema_version":"1.0","source":{"id":"0907.2319","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.2319","created_at":"2026-05-18T02:13:03Z"},{"alias_kind":"arxiv_version","alias_value":"0907.2319v1","created_at":"2026-05-18T02:13:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.2319","created_at":"2026-05-18T02:13:03Z"},{"alias_kind":"pith_short_12","alias_value":"MGFF6T5KKLVM","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"MGFF6T5KKLVM5ALR","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"MGFF6T5K","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:a04e2f1f04e0a6a6c45c2f32d722d047a9337f1cc2625a9428165bccdeeea048","target":"graph","created_at":"2026-05-18T02:13:03Z","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":"With microwave irradiation, the switching current of a Josephson junction coupled to a microscopic two-level system jumps randomly between two discrete states. We modeled the switching process of the coupled system with quantum jump approach that was generally used in quantum optics. The parameters that affect the character of the quantum jumps between macroscopic quantum states are discussed. The results obtained from our theoretical analysis agree well with those of the experiments and provide a clear physical picture for the macroscopic quantum jumps in Josephson junctions coupled with two-","authors_text":"Guozhu Sun, Jian Chen, Lin Kang, Ning Dong, Peiheng Wu, Weiwei Xu, Xueda Wen, Yang Yu, Yiwen Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-07-14T10:26:34Z","title":"Quantum Jump Approach to Switching Process of a Josephson Junction Coupled to a Microscopic Two-Level System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.2319","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:febc6d9e68ae10255d12946561020240210ea5e44108cd4e4bc056dd29a8d86a","target":"record","created_at":"2026-05-18T02:13:03Z","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":"21b9e03e2b4ab0a8e7f59f2f7e75565d0e1549d31d50b611acb288a5e8dee133","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-07-14T10:26:34Z","title_canon_sha256":"af97ae8f826014626cd451ce0be4beb8620ed77353d72a4e1c6adcc2b12048dc"},"schema_version":"1.0","source":{"id":"0907.2319","kind":"arxiv","version":1}},"canonical_sha256":"618a5f4faa52eace817138df40978b57933c6d27cbe0b2326ca031f46c9e03bf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"618a5f4faa52eace817138df40978b57933c6d27cbe0b2326ca031f46c9e03bf","first_computed_at":"2026-05-18T02:13:03.257608Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:03.257608Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kV9TM7+iNFdyfJ0WMvKCHEyEeVGZ+leM3PpFvCxYnIGxO+cPOO7QJbbrUxK1YF1mUEP4IfhIFzmbPh/BXfGgAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:03.258088Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.2319","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:febc6d9e68ae10255d12946561020240210ea5e44108cd4e4bc056dd29a8d86a","sha256:a04e2f1f04e0a6a6c45c2f32d722d047a9337f1cc2625a9428165bccdeeea048"],"state_sha256":"d0a2591fac709f2e3e1fa1b36db2147fac858502fe2922888c64984eada92d23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pyFKKAtJrROn4vEqUWu80NZYePdpbdcJewPks94Li4+xo0ddLxR0iHIK75+Kw3S7wgTAHnNU8sJmTYmxA7HNCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T20:43:54.671433Z","bundle_sha256":"8ad3d1e9f04d9e90582f21eb632b9586d741cc79cf181eaccd306c51d1fdbe53"}}