{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:V5EBZMKZWHA42JNDEVWGJMYIPL","short_pith_number":"pith:V5EBZMKZ","canonical_record":{"source":{"id":"1412.7372","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-23T14:24:34Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"0a0e74b73447075e7c504af3507d649d1fde9ee74d862b69fcc41ba4e8baef30","abstract_canon_sha256":"dac91809af953bc43fe261fe879cc94fe7ff3498ac23e1c47876d024c7d18b49"},"schema_version":"1.0"},"canonical_sha256":"af481cb159b1c1cd25a3256c64b3087af4466716875d8af81f86847a9935f598","source":{"kind":"arxiv","id":"1412.7372","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.7372","created_at":"2026-05-18T01:12:50Z"},{"alias_kind":"arxiv_version","alias_value":"1412.7372v1","created_at":"2026-05-18T01:12:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.7372","created_at":"2026-05-18T01:12:50Z"},{"alias_kind":"pith_short_12","alias_value":"V5EBZMKZWHA4","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"V5EBZMKZWHA42JND","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"V5EBZMKZ","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:V5EBZMKZWHA42JNDEVWGJMYIPL","target":"record","payload":{"canonical_record":{"source":{"id":"1412.7372","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-23T14:24:34Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"0a0e74b73447075e7c504af3507d649d1fde9ee74d862b69fcc41ba4e8baef30","abstract_canon_sha256":"dac91809af953bc43fe261fe879cc94fe7ff3498ac23e1c47876d024c7d18b49"},"schema_version":"1.0"},"canonical_sha256":"af481cb159b1c1cd25a3256c64b3087af4466716875d8af81f86847a9935f598","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:50.011980Z","signature_b64":"qQ8ic9LTgEYcFss3DTg/AOpx/ya704eScXgd8RfC7oJlA1cefj3oNvwKhvB/inUe57USdiDnP64TpaknCwMGAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af481cb159b1c1cd25a3256c64b3087af4466716875d8af81f86847a9935f598","last_reissued_at":"2026-05-18T01:12:50.011640Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:50.011640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.7372","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":"2026-05-18T01:12:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pd+RtlrT1IPHyMkYK9RjgDHwBd7KpQwX+eWcpA7CCIyWXIkhA7vCK3p84x4HNbhvwMUrR+ew+bjnWFufjgfNBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:03:35.735753Z"},"content_sha256":"c2125615a8c6512e0a02357d1d1362a70679ea0b9151b046ca27ce28e595b026","schema_version":"1.0","event_id":"sha256:c2125615a8c6512e0a02357d1d1362a70679ea0b9151b046ca27ce28e595b026"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:V5EBZMKZWHA42JNDEVWGJMYIPL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultrastrong coupling in two-resonator circuit QED","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Baust, A. Marx, D. Zueco, E. Hoffmann, E. P. Menzel, E. Solano, E. Xie, F. Deppe, F. Quijandria, F. Wulschner, G. Romero, J. Goetz, J.-J. Garcia Ripoll, K. G. Fedorov, L. Garcia-Alvarez, L. Zhong, M. Haeberlein, M. J. Schwarz, P. Eder, R. Gross","submitted_at":"2014-12-23T14:24:34Z","abstract_excerpt":"We report on ultrastrong coupling between a superconducting flux qubit and a resonant mode of a system comprised of two superconducting coplanar stripline resonators coupled galvanically to the qubit. With a coupling strength as high as 17% of the mode frequency, exceeding that of previous circuit quantum electrodynamics experiments, we observe a pronounced Bloch-Siegert shift. The spectroscopic response of our multimode system reveals a clear breakdown of the Jaynes-Cummings model. In contrast to earlier experiments, the high coupling strength is achieved without making use of an additional i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.7372","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":"2026-05-18T01:12:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dtg7+B2DHmPah0CYskqTr32P0Brg+GZO7zjuU9qvcLU6grPZ/uxSE09q+WpJV8ydWq5hWrfY9KGvEtesAdYTDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T15:03:35.736101Z"},"content_sha256":"bc5b1c42e7e635d60ca5bd2b9f24a0ee733b6e963ff6f1bc7fc23e93ac787655","schema_version":"1.0","event_id":"sha256:bc5b1c42e7e635d60ca5bd2b9f24a0ee733b6e963ff6f1bc7fc23e93ac787655"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V5EBZMKZWHA42JNDEVWGJMYIPL/bundle.json","state_url":"https://pith.science/pith/V5EBZMKZWHA42JNDEVWGJMYIPL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V5EBZMKZWHA42JNDEVWGJMYIPL/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":"2026-05-28T15:03:35Z","links":{"resolver":"https://pith.science/pith/V5EBZMKZWHA42JNDEVWGJMYIPL","bundle":"https://pith.science/pith/V5EBZMKZWHA42JNDEVWGJMYIPL/bundle.json","state":"https://pith.science/pith/V5EBZMKZWHA42JNDEVWGJMYIPL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V5EBZMKZWHA42JNDEVWGJMYIPL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:V5EBZMKZWHA42JNDEVWGJMYIPL","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":"dac91809af953bc43fe261fe879cc94fe7ff3498ac23e1c47876d024c7d18b49","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-23T14:24:34Z","title_canon_sha256":"0a0e74b73447075e7c504af3507d649d1fde9ee74d862b69fcc41ba4e8baef30"},"schema_version":"1.0","source":{"id":"1412.7372","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.7372","created_at":"2026-05-18T01:12:50Z"},{"alias_kind":"arxiv_version","alias_value":"1412.7372v1","created_at":"2026-05-18T01:12:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.7372","created_at":"2026-05-18T01:12:50Z"},{"alias_kind":"pith_short_12","alias_value":"V5EBZMKZWHA4","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"V5EBZMKZWHA42JND","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"V5EBZMKZ","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:bc5b1c42e7e635d60ca5bd2b9f24a0ee733b6e963ff6f1bc7fc23e93ac787655","target":"graph","created_at":"2026-05-18T01:12:50Z","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":"We report on ultrastrong coupling between a superconducting flux qubit and a resonant mode of a system comprised of two superconducting coplanar stripline resonators coupled galvanically to the qubit. With a coupling strength as high as 17% of the mode frequency, exceeding that of previous circuit quantum electrodynamics experiments, we observe a pronounced Bloch-Siegert shift. The spectroscopic response of our multimode system reveals a clear breakdown of the Jaynes-Cummings model. In contrast to earlier experiments, the high coupling strength is achieved without making use of an additional i","authors_text":"A. Baust, A. Marx, D. Zueco, E. Hoffmann, E. P. Menzel, E. Solano, E. Xie, F. Deppe, F. Quijandria, F. Wulschner, G. Romero, J. Goetz, J.-J. Garcia Ripoll, K. G. Fedorov, L. Garcia-Alvarez, L. Zhong, M. Haeberlein, M. J. Schwarz, P. Eder, R. Gross","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-23T14:24:34Z","title":"Ultrastrong coupling in two-resonator circuit QED"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.7372","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:c2125615a8c6512e0a02357d1d1362a70679ea0b9151b046ca27ce28e595b026","target":"record","created_at":"2026-05-18T01:12:50Z","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":"dac91809af953bc43fe261fe879cc94fe7ff3498ac23e1c47876d024c7d18b49","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-23T14:24:34Z","title_canon_sha256":"0a0e74b73447075e7c504af3507d649d1fde9ee74d862b69fcc41ba4e8baef30"},"schema_version":"1.0","source":{"id":"1412.7372","kind":"arxiv","version":1}},"canonical_sha256":"af481cb159b1c1cd25a3256c64b3087af4466716875d8af81f86847a9935f598","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af481cb159b1c1cd25a3256c64b3087af4466716875d8af81f86847a9935f598","first_computed_at":"2026-05-18T01:12:50.011640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:50.011640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qQ8ic9LTgEYcFss3DTg/AOpx/ya704eScXgd8RfC7oJlA1cefj3oNvwKhvB/inUe57USdiDnP64TpaknCwMGAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:50.011980Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.7372","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c2125615a8c6512e0a02357d1d1362a70679ea0b9151b046ca27ce28e595b026","sha256:bc5b1c42e7e635d60ca5bd2b9f24a0ee733b6e963ff6f1bc7fc23e93ac787655"],"state_sha256":"52e286698190845fa7faa72b73e1cb4d74a33bb05683f61f2f4584cafa0691b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wSjFIQPCkULLm3wrpP4fGUOod8LvoqJQpllR/OHSXGmI5cU5pPdGwO9BmjCdyxzpim6EIAiRFsPU9WJdt/P5CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T15:03:35.738196Z","bundle_sha256":"3788127890d5c2e9abcf5f7e5d731959a2f761674bf20e59b332bac7a13c1582"}}