{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:BP5WH4SNXFJXQ3Z2ZLTU6UFFM5","short_pith_number":"pith:BP5WH4SN","canonical_record":{"source":{"id":"1212.2585","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-12-11T18:46:52Z","cross_cats_sorted":[],"title_canon_sha256":"a3a75540f6bf557dfaa31e9f4fb12aa846746c2af19816ed3bc0700d1815a37c","abstract_canon_sha256":"c5207358a1cbcc8b0572d270a378008f78ba3673bcca3035ac8737d366f3d9de"},"schema_version":"1.0"},"canonical_sha256":"0bfb63f24db953786f3acae74f50a5676bcb30fbc228ce292befd0631bfc4043","source":{"kind":"arxiv","id":"1212.2585","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.2585","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"arxiv_version","alias_value":"1212.2585v2","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.2585","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"pith_short_12","alias_value":"BP5WH4SNXFJX","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"BP5WH4SNXFJXQ3Z2","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"BP5WH4SN","created_at":"2026-05-18T12:27:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:BP5WH4SNXFJXQ3Z2ZLTU6UFFM5","target":"record","payload":{"canonical_record":{"source":{"id":"1212.2585","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-12-11T18:46:52Z","cross_cats_sorted":[],"title_canon_sha256":"a3a75540f6bf557dfaa31e9f4fb12aa846746c2af19816ed3bc0700d1815a37c","abstract_canon_sha256":"c5207358a1cbcc8b0572d270a378008f78ba3673bcca3035ac8737d366f3d9de"},"schema_version":"1.0"},"canonical_sha256":"0bfb63f24db953786f3acae74f50a5676bcb30fbc228ce292befd0631bfc4043","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:39.932133Z","signature_b64":"QpEl57eiXMjRejBaXNf0k5Ovphp3YYjdtMFxIae/YQkj2PCU0RlT2tbg37/CtFsoiSpY7CXCn0FUDG57SXT2AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0bfb63f24db953786f3acae74f50a5676bcb30fbc228ce292befd0631bfc4043","last_reissued_at":"2026-05-18T01:52:39.931452Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:39.931452Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.2585","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":"2026-05-18T01:52:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1c5HFQzl1P59wi/IYfZLhQGzdwVtrnVoBIqSP2R4p8oWTZfaGvnIoS/Caq0pt4PmqZf0daDAuPFW82OA59v0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:41:37.026287Z"},"content_sha256":"42cb2d4595f87f69ac5aa98128b4c512255b03b0dae43bc1246ed1bd6f14776e","schema_version":"1.0","event_id":"sha256:42cb2d4595f87f69ac5aa98128b4c512255b03b0dae43bc1246ed1bd6f14776e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:BP5WH4SNXFJXQ3Z2ZLTU6UFFM5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unitary decoupling treatment of a quadratic bimodal CQED model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Messina, M. A. Jivulescu, M. Guccione","submitted_at":"2012-12-11T18:46:52Z","abstract_excerpt":"We consider a two-photon quantum model of radiation-matter interaction between a single two-level atom and a degenerate bimodal high-Q cavity field. Within this tripartite system the explicit construction of two collective radiation modes, one of which freely evolving and the other one quadratically coupled to the matter subsystem, is reported. Meaning and advantages of such a decoupling treatment are carefully discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.2585","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":"2026-05-18T01:52:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"98RTRHqxkdEiYB3w/plAahfkW6MTbbKmoLXQdSmHzn54O2eei6EUcfYWzbY5ey5gARkzxFGkXU8llRLLPzyLDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:41:37.026969Z"},"content_sha256":"4bd84d7064044cc629944f68619f69cdfad9cd3d56a9de1de3e0aae98464bbda","schema_version":"1.0","event_id":"sha256:4bd84d7064044cc629944f68619f69cdfad9cd3d56a9de1de3e0aae98464bbda"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BP5WH4SNXFJXQ3Z2ZLTU6UFFM5/bundle.json","state_url":"https://pith.science/pith/BP5WH4SNXFJXQ3Z2ZLTU6UFFM5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BP5WH4SNXFJXQ3Z2ZLTU6UFFM5/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":"2026-05-26T23:41:37Z","links":{"resolver":"https://pith.science/pith/BP5WH4SNXFJXQ3Z2ZLTU6UFFM5","bundle":"https://pith.science/pith/BP5WH4SNXFJXQ3Z2ZLTU6UFFM5/bundle.json","state":"https://pith.science/pith/BP5WH4SNXFJXQ3Z2ZLTU6UFFM5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BP5WH4SNXFJXQ3Z2ZLTU6UFFM5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:BP5WH4SNXFJXQ3Z2ZLTU6UFFM5","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":"c5207358a1cbcc8b0572d270a378008f78ba3673bcca3035ac8737d366f3d9de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-12-11T18:46:52Z","title_canon_sha256":"a3a75540f6bf557dfaa31e9f4fb12aa846746c2af19816ed3bc0700d1815a37c"},"schema_version":"1.0","source":{"id":"1212.2585","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.2585","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"arxiv_version","alias_value":"1212.2585v2","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.2585","created_at":"2026-05-18T01:52:39Z"},{"alias_kind":"pith_short_12","alias_value":"BP5WH4SNXFJX","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"BP5WH4SNXFJXQ3Z2","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"BP5WH4SN","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:4bd84d7064044cc629944f68619f69cdfad9cd3d56a9de1de3e0aae98464bbda","target":"graph","created_at":"2026-05-18T01:52:39Z","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 consider a two-photon quantum model of radiation-matter interaction between a single two-level atom and a degenerate bimodal high-Q cavity field. Within this tripartite system the explicit construction of two collective radiation modes, one of which freely evolving and the other one quadratically coupled to the matter subsystem, is reported. Meaning and advantages of such a decoupling treatment are carefully discussed.","authors_text":"A. Messina, M. A. Jivulescu, M. Guccione","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-12-11T18:46:52Z","title":"Unitary decoupling treatment of a quadratic bimodal CQED model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.2585","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":"sha256:42cb2d4595f87f69ac5aa98128b4c512255b03b0dae43bc1246ed1bd6f14776e","target":"record","created_at":"2026-05-18T01:52:39Z","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":"c5207358a1cbcc8b0572d270a378008f78ba3673bcca3035ac8737d366f3d9de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-12-11T18:46:52Z","title_canon_sha256":"a3a75540f6bf557dfaa31e9f4fb12aa846746c2af19816ed3bc0700d1815a37c"},"schema_version":"1.0","source":{"id":"1212.2585","kind":"arxiv","version":2}},"canonical_sha256":"0bfb63f24db953786f3acae74f50a5676bcb30fbc228ce292befd0631bfc4043","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0bfb63f24db953786f3acae74f50a5676bcb30fbc228ce292befd0631bfc4043","first_computed_at":"2026-05-18T01:52:39.931452Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:39.931452Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QpEl57eiXMjRejBaXNf0k5Ovphp3YYjdtMFxIae/YQkj2PCU0RlT2tbg37/CtFsoiSpY7CXCn0FUDG57SXT2AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:39.932133Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.2585","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42cb2d4595f87f69ac5aa98128b4c512255b03b0dae43bc1246ed1bd6f14776e","sha256:4bd84d7064044cc629944f68619f69cdfad9cd3d56a9de1de3e0aae98464bbda"],"state_sha256":"b32c68d736fbfa9b114c412df50968b4b6e1e97dcb9b2eea1527d5bf32cded17"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ppv1M0wi3c4PYT6l3TURpV1aeXS3HCvQT5dBMVawNJm5jiSb1Cqcv/izttbFWdVIqA+anQ09m4CBcKklNJsGAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:41:37.029893Z","bundle_sha256":"ce442f67b7d18c92e5f01d55fdf9d0b58fbb955973dabe4c110df05b916d27ef"}}