{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:NX7H4CGKP7DKJ2OVWNNVX7YGOC","short_pith_number":"pith:NX7H4CGK","canonical_record":{"source":{"id":"1601.01545","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-07T14:29:43Z","cross_cats_sorted":["cond-mat.str-el","quant-ph"],"title_canon_sha256":"0269e97703328a92f70ca9b6e44736053bf3fe8ef6a55872541616d872df2576","abstract_canon_sha256":"278ef945169cadff903a0c372ba08fc9899d0c02c3afc1fe46c991821eebf5ec"},"schema_version":"1.0"},"canonical_sha256":"6dfe7e08ca7fc6a4e9d5b35b5bff06709a2572210cf42ea5f2154b37046b3304","source":{"kind":"arxiv","id":"1601.01545","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01545","created_at":"2026-05-18T00:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01545v2","created_at":"2026-05-18T00:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01545","created_at":"2026-05-18T00:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"NX7H4CGKP7DK","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"NX7H4CGKP7DKJ2OV","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"NX7H4CGK","created_at":"2026-05-18T12:30:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:NX7H4CGKP7DKJ2OVWNNVX7YGOC","target":"record","payload":{"canonical_record":{"source":{"id":"1601.01545","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-07T14:29:43Z","cross_cats_sorted":["cond-mat.str-el","quant-ph"],"title_canon_sha256":"0269e97703328a92f70ca9b6e44736053bf3fe8ef6a55872541616d872df2576","abstract_canon_sha256":"278ef945169cadff903a0c372ba08fc9899d0c02c3afc1fe46c991821eebf5ec"},"schema_version":"1.0"},"canonical_sha256":"6dfe7e08ca7fc6a4e9d5b35b5bff06709a2572210cf42ea5f2154b37046b3304","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:22.759784Z","signature_b64":"6viHLcFneIXnqdU7mezsdkKr3felhnEvNltHsp9xIx4vTdbPh6IsDp2dvumXXEG5rvvHV/13BeuAW3VLxZJSBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6dfe7e08ca7fc6a4e9d5b35b5bff06709a2572210cf42ea5f2154b37046b3304","last_reissued_at":"2026-05-18T00:50:22.759075Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:22.759075Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.01545","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:50:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iGXD+EoafEwAo9EJMbvuC3FdEl2i0nxJkkKUO7nOn8bzEqE8DKunZ2Lk8AFq4s1U4ZaeiNxXPPdEmEm704dKBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:53:04.246914Z"},"content_sha256":"44c5831e0edeb80afb7e6c7563e82aec17a8768a7be19740197c92508f0c60e4","schema_version":"1.0","event_id":"sha256:44c5831e0edeb80afb7e6c7563e82aec17a8768a7be19740197c92508f0c60e4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:NX7H4CGKP7DKJ2OVWNNVX7YGOC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spontaneous emission of Schr\\\"odinger cats in a waveguide at ultrastrong coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Nicolas Gheeraert, Serge Florens, Soumya Bera","submitted_at":"2016-01-07T14:29:43Z","abstract_excerpt":"Josephson circuits provide a realistic physical setup where the light-matter fine structure constant can become of order one, allowing to reach a regime dominated by non-perturbative effects beyond standard quantum optics. Simple processes, such as spontaneous emission, thus acquire a many-body character, that can be tackled using a new description of the time-dependent state vector in terms of quantum-superposed coherent states. We find that spontaneous atomic decay at ultrastrong coupling leads to the emission of spectrally broad Schr\\\"odinger cats rather than of monochromatic single photons"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01545","kind":"arxiv","version":2},"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":"2026-05-18T00:50:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eTX0aXxazpIOl0hipi6RARQF7G3MsvQjSmaDadUl+GRKw3C/yOWFRC1gSbm1po/2oQdWcfTJoMOjGi+jMbqjCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:53:04.247345Z"},"content_sha256":"47d5bf9cf5742756cd25be12408a88bdca99d7ada14f1235931321ee9e6cb0d9","schema_version":"1.0","event_id":"sha256:47d5bf9cf5742756cd25be12408a88bdca99d7ada14f1235931321ee9e6cb0d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NX7H4CGKP7DKJ2OVWNNVX7YGOC/bundle.json","state_url":"https://pith.science/pith/NX7H4CGKP7DKJ2OVWNNVX7YGOC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NX7H4CGKP7DKJ2OVWNNVX7YGOC/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":"2026-05-28T12:53:04Z","links":{"resolver":"https://pith.science/pith/NX7H4CGKP7DKJ2OVWNNVX7YGOC","bundle":"https://pith.science/pith/NX7H4CGKP7DKJ2OVWNNVX7YGOC/bundle.json","state":"https://pith.science/pith/NX7H4CGKP7DKJ2OVWNNVX7YGOC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NX7H4CGKP7DKJ2OVWNNVX7YGOC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:NX7H4CGKP7DKJ2OVWNNVX7YGOC","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":"278ef945169cadff903a0c372ba08fc9899d0c02c3afc1fe46c991821eebf5ec","cross_cats_sorted":["cond-mat.str-el","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-07T14:29:43Z","title_canon_sha256":"0269e97703328a92f70ca9b6e44736053bf3fe8ef6a55872541616d872df2576"},"schema_version":"1.0","source":{"id":"1601.01545","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01545","created_at":"2026-05-18T00:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01545v2","created_at":"2026-05-18T00:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01545","created_at":"2026-05-18T00:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"NX7H4CGKP7DK","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"NX7H4CGKP7DKJ2OV","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"NX7H4CGK","created_at":"2026-05-18T12:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:47d5bf9cf5742756cd25be12408a88bdca99d7ada14f1235931321ee9e6cb0d9","target":"graph","created_at":"2026-05-18T00:50:22Z","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":"Josephson circuits provide a realistic physical setup where the light-matter fine structure constant can become of order one, allowing to reach a regime dominated by non-perturbative effects beyond standard quantum optics. Simple processes, such as spontaneous emission, thus acquire a many-body character, that can be tackled using a new description of the time-dependent state vector in terms of quantum-superposed coherent states. We find that spontaneous atomic decay at ultrastrong coupling leads to the emission of spectrally broad Schr\\\"odinger cats rather than of monochromatic single photons","authors_text":"Nicolas Gheeraert, Serge Florens, Soumya Bera","cross_cats":["cond-mat.str-el","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-07T14:29:43Z","title":"Spontaneous emission of Schr\\\"odinger cats in a waveguide at ultrastrong coupling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01545","kind":"arxiv","version":2},"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":"sha256:44c5831e0edeb80afb7e6c7563e82aec17a8768a7be19740197c92508f0c60e4","target":"record","created_at":"2026-05-18T00:50:22Z","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":"278ef945169cadff903a0c372ba08fc9899d0c02c3afc1fe46c991821eebf5ec","cross_cats_sorted":["cond-mat.str-el","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-07T14:29:43Z","title_canon_sha256":"0269e97703328a92f70ca9b6e44736053bf3fe8ef6a55872541616d872df2576"},"schema_version":"1.0","source":{"id":"1601.01545","kind":"arxiv","version":2}},"canonical_sha256":"6dfe7e08ca7fc6a4e9d5b35b5bff06709a2572210cf42ea5f2154b37046b3304","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6dfe7e08ca7fc6a4e9d5b35b5bff06709a2572210cf42ea5f2154b37046b3304","first_computed_at":"2026-05-18T00:50:22.759075Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:50:22.759075Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6viHLcFneIXnqdU7mezsdkKr3felhnEvNltHsp9xIx4vTdbPh6IsDp2dvumXXEG5rvvHV/13BeuAW3VLxZJSBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:50:22.759784Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.01545","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44c5831e0edeb80afb7e6c7563e82aec17a8768a7be19740197c92508f0c60e4","sha256:47d5bf9cf5742756cd25be12408a88bdca99d7ada14f1235931321ee9e6cb0d9"],"state_sha256":"748c89785bb36bd9005715e4fdeb5958ab9d9b6aa439970fa7a035ab54b2602c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fzvTn7VIDo0YyMgSucfrwrlqZx9g8lmLY04qSRsttojvt6Z4aEC/inCTSAg0WwcOzwle27JWuYBgNwW+qGC3Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T12:53:04.249590Z","bundle_sha256":"b753950c15c85f158b3120fb2495c20628eada739f5075b8f8525a767cd722f4"}}