{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:AN4FKFIL7GQ5UII4P5HIQFIWES","short_pith_number":"pith:AN4FKFIL","canonical_record":{"source":{"id":"2402.01884","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-02-02T20:13:12Z","cross_cats_sorted":[],"title_canon_sha256":"804e970a644d7c04e31b5991b7246023e235817f4478ee1e76a6dbd51088507b","abstract_canon_sha256":"8ab681427b20e332918a35c9baed2bef4b7e65d7245d22a20db7d8e175adc787"},"schema_version":"1.0"},"canonical_sha256":"037855150bf9a1da211c7f4e88151624a9a68ff2a2a7dc8bba80d6a1a9ec316a","source":{"kind":"arxiv","id":"2402.01884","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.01884","created_at":"2026-07-05T07:41:07Z"},{"alias_kind":"arxiv_version","alias_value":"2402.01884v1","created_at":"2026-07-05T07:41:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.01884","created_at":"2026-07-05T07:41:07Z"},{"alias_kind":"pith_short_12","alias_value":"AN4FKFIL7GQ5","created_at":"2026-07-05T07:41:07Z"},{"alias_kind":"pith_short_16","alias_value":"AN4FKFIL7GQ5UII4","created_at":"2026-07-05T07:41:07Z"},{"alias_kind":"pith_short_8","alias_value":"AN4FKFIL","created_at":"2026-07-05T07:41:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:AN4FKFIL7GQ5UII4P5HIQFIWES","target":"record","payload":{"canonical_record":{"source":{"id":"2402.01884","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-02-02T20:13:12Z","cross_cats_sorted":[],"title_canon_sha256":"804e970a644d7c04e31b5991b7246023e235817f4478ee1e76a6dbd51088507b","abstract_canon_sha256":"8ab681427b20e332918a35c9baed2bef4b7e65d7245d22a20db7d8e175adc787"},"schema_version":"1.0"},"canonical_sha256":"037855150bf9a1da211c7f4e88151624a9a68ff2a2a7dc8bba80d6a1a9ec316a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:41:07.934662Z","signature_b64":"a3Rw5KIHkojkExgEcNQtmfVlZ4Z7mzHvNUJaUVErouUuYbZv65YCXP2F+vyIIlTnxd3ezK5OI2jHPgy7AjxlBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"037855150bf9a1da211c7f4e88151624a9a68ff2a2a7dc8bba80d6a1a9ec316a","last_reissued_at":"2026-07-05T07:41:07.934221Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:41:07.934221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.01884","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":"2026-07-05T07:41:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5/ixHKzSkzoHFwhfIqOnfUaeW9bVxYJaBkLXMotlaw7YH2fOZfWThjdAjhBOZiE2iPZiI/DWozBPp5bu+RecAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T20:17:35.877246Z"},"content_sha256":"f36dc0382ef93825165f7d2d569f092554ead6f3e0c497d52e5a982efcb95399","schema_version":"1.0","event_id":"sha256:f36dc0382ef93825165f7d2d569f092554ead6f3e0c497d52e5a982efcb95399"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:AN4FKFIL7GQ5UII4P5HIQFIWES","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Onset of transmon ionization in microwave single-photon detection","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Achim Marx, Kedar E. Honasoge, Kirill G. Fedorov, Rudolf Gross, Yuki Nojiri","submitted_at":"2024-02-02T20:13:12Z","abstract_excerpt":"By strongly driving a transmon-resonator system, the transmon qubit may eventually escape from its cosine-shaped potential. This process is called transmon ionization (TI) and known to be detrimental to the qubit coherence and operation. In this work, we investigate the onset of TI in an irreversible, parametrically-driven, frequency conversion process in a system consisting of a superconducting 3D-cavity coupled to a fixed-frequency transmon qubit. Above a critical pump power we find a sudden increase in the transmon population. Using Renyi entropy, Floquet modes, and Husimi Q functions, we i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.01884","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2402.01884/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T07:41:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OaodGni93c64715V+fUsMtYyKpykXAqJc0sYbH5Ooml1U5gNsN/pFGXhjcLxEEzrab5nyxEWkdPR3mj+aE+dAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T20:17:35.877844Z"},"content_sha256":"8ca9f7e3bb189aa6e2c7afa67db3909eec708a23d94b0b3f13fa5c83f802d3a9","schema_version":"1.0","event_id":"sha256:8ca9f7e3bb189aa6e2c7afa67db3909eec708a23d94b0b3f13fa5c83f802d3a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AN4FKFIL7GQ5UII4P5HIQFIWES/bundle.json","state_url":"https://pith.science/pith/AN4FKFIL7GQ5UII4P5HIQFIWES/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AN4FKFIL7GQ5UII4P5HIQFIWES/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":"2026-08-19T20:17:35Z","links":{"resolver":"https://pith.science/pith/AN4FKFIL7GQ5UII4P5HIQFIWES","bundle":"https://pith.science/pith/AN4FKFIL7GQ5UII4P5HIQFIWES/bundle.json","state":"https://pith.science/pith/AN4FKFIL7GQ5UII4P5HIQFIWES/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AN4FKFIL7GQ5UII4P5HIQFIWES/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:AN4FKFIL7GQ5UII4P5HIQFIWES","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":"8ab681427b20e332918a35c9baed2bef4b7e65d7245d22a20db7d8e175adc787","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-02-02T20:13:12Z","title_canon_sha256":"804e970a644d7c04e31b5991b7246023e235817f4478ee1e76a6dbd51088507b"},"schema_version":"1.0","source":{"id":"2402.01884","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.01884","created_at":"2026-07-05T07:41:07Z"},{"alias_kind":"arxiv_version","alias_value":"2402.01884v1","created_at":"2026-07-05T07:41:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.01884","created_at":"2026-07-05T07:41:07Z"},{"alias_kind":"pith_short_12","alias_value":"AN4FKFIL7GQ5","created_at":"2026-07-05T07:41:07Z"},{"alias_kind":"pith_short_16","alias_value":"AN4FKFIL7GQ5UII4","created_at":"2026-07-05T07:41:07Z"},{"alias_kind":"pith_short_8","alias_value":"AN4FKFIL","created_at":"2026-07-05T07:41:07Z"}],"graph_snapshots":[{"event_id":"sha256:8ca9f7e3bb189aa6e2c7afa67db3909eec708a23d94b0b3f13fa5c83f802d3a9","target":"graph","created_at":"2026-07-05T07:41:07Z","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/2402.01884/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"By strongly driving a transmon-resonator system, the transmon qubit may eventually escape from its cosine-shaped potential. This process is called transmon ionization (TI) and known to be detrimental to the qubit coherence and operation. In this work, we investigate the onset of TI in an irreversible, parametrically-driven, frequency conversion process in a system consisting of a superconducting 3D-cavity coupled to a fixed-frequency transmon qubit. Above a critical pump power we find a sudden increase in the transmon population. Using Renyi entropy, Floquet modes, and Husimi Q functions, we i","authors_text":"Achim Marx, Kedar E. Honasoge, Kirill G. Fedorov, Rudolf Gross, Yuki Nojiri","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-02-02T20:13:12Z","title":"Onset of transmon ionization in microwave single-photon detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.01884","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:f36dc0382ef93825165f7d2d569f092554ead6f3e0c497d52e5a982efcb95399","target":"record","created_at":"2026-07-05T07:41:07Z","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":"8ab681427b20e332918a35c9baed2bef4b7e65d7245d22a20db7d8e175adc787","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-02-02T20:13:12Z","title_canon_sha256":"804e970a644d7c04e31b5991b7246023e235817f4478ee1e76a6dbd51088507b"},"schema_version":"1.0","source":{"id":"2402.01884","kind":"arxiv","version":1}},"canonical_sha256":"037855150bf9a1da211c7f4e88151624a9a68ff2a2a7dc8bba80d6a1a9ec316a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"037855150bf9a1da211c7f4e88151624a9a68ff2a2a7dc8bba80d6a1a9ec316a","first_computed_at":"2026-07-05T07:41:07.934221Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:41:07.934221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a3Rw5KIHkojkExgEcNQtmfVlZ4Z7mzHvNUJaUVErouUuYbZv65YCXP2F+vyIIlTnxd3ezK5OI2jHPgy7AjxlBA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:41:07.934662Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.01884","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f36dc0382ef93825165f7d2d569f092554ead6f3e0c497d52e5a982efcb95399","sha256:8ca9f7e3bb189aa6e2c7afa67db3909eec708a23d94b0b3f13fa5c83f802d3a9"],"state_sha256":"a965d032d7daf98297fe7664f4c1e526cce07c7a95fe8c2199ec6ac899ac171b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uO+ZVv4EhdKjhrr6S7IRUow7ei26KsYTUN2c5CpNcyIGrpHXbHkFr4Z74is0Apyqh6uzea1mhRbSVcIZBZSgCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T20:17:35.883689Z","bundle_sha256":"4ab4f4d958363281b44df138a3283e0b53a1ce89a5faf0eb87d5d579e39b71f8"}}