{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:M2OIMNCXKCE5P3O7AU35Y6JTUF","short_pith_number":"pith:M2OIMNCX","canonical_record":{"source":{"id":"2403.04300","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-07T08:04:18Z","cross_cats_sorted":[],"title_canon_sha256":"fe78bc5d97f52c70114fd1d1fac65928ad58f38f1b621718d0e6520425bb843b","abstract_canon_sha256":"1daca5db35b75a379c8f4faeabc4b51004384364622ac4482a6854e126420dd3"},"schema_version":"1.0"},"canonical_sha256":"669c8634575089d7eddf0537dc7933a16e42c2098605fe0f3f8da9d834b02ae3","source":{"kind":"arxiv","id":"2403.04300","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.04300","created_at":"2026-07-05T07:53:21Z"},{"alias_kind":"arxiv_version","alias_value":"2403.04300v1","created_at":"2026-07-05T07:53:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.04300","created_at":"2026-07-05T07:53:21Z"},{"alias_kind":"pith_short_12","alias_value":"M2OIMNCXKCE5","created_at":"2026-07-05T07:53:21Z"},{"alias_kind":"pith_short_16","alias_value":"M2OIMNCXKCE5P3O7","created_at":"2026-07-05T07:53:21Z"},{"alias_kind":"pith_short_8","alias_value":"M2OIMNCX","created_at":"2026-07-05T07:53:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:M2OIMNCXKCE5P3O7AU35Y6JTUF","target":"record","payload":{"canonical_record":{"source":{"id":"2403.04300","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-07T08:04:18Z","cross_cats_sorted":[],"title_canon_sha256":"fe78bc5d97f52c70114fd1d1fac65928ad58f38f1b621718d0e6520425bb843b","abstract_canon_sha256":"1daca5db35b75a379c8f4faeabc4b51004384364622ac4482a6854e126420dd3"},"schema_version":"1.0"},"canonical_sha256":"669c8634575089d7eddf0537dc7933a16e42c2098605fe0f3f8da9d834b02ae3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:53:21.352309Z","signature_b64":"8W/n60mlHyZIgxEbhDB+6q4gjOFoMuEO4AGhnDNKb5H8WeiRiOWyIXAkMsP5HuY+L2el7RRtswoSTrM+I042CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"669c8634575089d7eddf0537dc7933a16e42c2098605fe0f3f8da9d834b02ae3","last_reissued_at":"2026-07-05T07:53:21.351827Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:53:21.351827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.04300","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":"2026-07-05T07:53:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bqjl8JDqvKftscOVp4oAouLETk8QmOTcJLWd+FYfZ4W2aO6qTJ+XNEn6GdCktuPSpjopfBCAVBBH64vK/36BDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T07:41:11.757529Z"},"content_sha256":"7b0ede81a22a340c6396525cc2c3429e874752b4394afdf3d51c84579711ff6a","schema_version":"1.0","event_id":"sha256:7b0ede81a22a340c6396525cc2c3429e874752b4394afdf3d51c84579711ff6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:M2OIMNCXKCE5P3O7AU35Y6JTUF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Engineering Entangled Schrodinger Cat States of Separated Cavity Modes in Cavity-QED","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Abdul Q. Batin, David Vitali, Suranjana Ghosh, Utpal Roy","submitted_at":"2024-03-07T08:04:18Z","abstract_excerpt":"We provide a scheme by utilizing a two-cavity setup to generate useful quantum mechanically entangled states of two cavity fields, which themselves are prepared in Schrodinger cat states. The underlying atom-field interaction is considered off-resonant and three atoms are successively sent through the cavities, initially fed with coherent fields. Analytical solution of the protocol, followed by conditional measurements on the atoms, produce a family of eight such entangled states. Entanglement properties of the obtained states are characterized by the Von Neumann entropy. We reveal the paramet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.04300","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/2403.04300/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":"2026-07-05T07:53:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7qkkLFZkvDF4kSj+Ts5oP9Zr8zFVZHBIBK10etjS9dL2SftvSlyccRX+uudaj55/eMLOuzG4/mAs0/KlSY5yAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T07:41:11.758049Z"},"content_sha256":"f51a6c48cbe59accea112805f9252f888b60f7917c1265a7f200a90b5b8fa140","schema_version":"1.0","event_id":"sha256:f51a6c48cbe59accea112805f9252f888b60f7917c1265a7f200a90b5b8fa140"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M2OIMNCXKCE5P3O7AU35Y6JTUF/bundle.json","state_url":"https://pith.science/pith/M2OIMNCXKCE5P3O7AU35Y6JTUF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M2OIMNCXKCE5P3O7AU35Y6JTUF/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":"2026-08-18T07:41:11Z","links":{"resolver":"https://pith.science/pith/M2OIMNCXKCE5P3O7AU35Y6JTUF","bundle":"https://pith.science/pith/M2OIMNCXKCE5P3O7AU35Y6JTUF/bundle.json","state":"https://pith.science/pith/M2OIMNCXKCE5P3O7AU35Y6JTUF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M2OIMNCXKCE5P3O7AU35Y6JTUF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:M2OIMNCXKCE5P3O7AU35Y6JTUF","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":"1daca5db35b75a379c8f4faeabc4b51004384364622ac4482a6854e126420dd3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-07T08:04:18Z","title_canon_sha256":"fe78bc5d97f52c70114fd1d1fac65928ad58f38f1b621718d0e6520425bb843b"},"schema_version":"1.0","source":{"id":"2403.04300","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.04300","created_at":"2026-07-05T07:53:21Z"},{"alias_kind":"arxiv_version","alias_value":"2403.04300v1","created_at":"2026-07-05T07:53:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.04300","created_at":"2026-07-05T07:53:21Z"},{"alias_kind":"pith_short_12","alias_value":"M2OIMNCXKCE5","created_at":"2026-07-05T07:53:21Z"},{"alias_kind":"pith_short_16","alias_value":"M2OIMNCXKCE5P3O7","created_at":"2026-07-05T07:53:21Z"},{"alias_kind":"pith_short_8","alias_value":"M2OIMNCX","created_at":"2026-07-05T07:53:21Z"}],"graph_snapshots":[{"event_id":"sha256:f51a6c48cbe59accea112805f9252f888b60f7917c1265a7f200a90b5b8fa140","target":"graph","created_at":"2026-07-05T07:53:21Z","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/2403.04300/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We provide a scheme by utilizing a two-cavity setup to generate useful quantum mechanically entangled states of two cavity fields, which themselves are prepared in Schrodinger cat states. The underlying atom-field interaction is considered off-resonant and three atoms are successively sent through the cavities, initially fed with coherent fields. Analytical solution of the protocol, followed by conditional measurements on the atoms, produce a family of eight such entangled states. Entanglement properties of the obtained states are characterized by the Von Neumann entropy. We reveal the paramet","authors_text":"Abdul Q. Batin, David Vitali, Suranjana Ghosh, Utpal Roy","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-07T08:04:18Z","title":"Engineering Entangled Schrodinger Cat States of Separated Cavity Modes in Cavity-QED"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.04300","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":"sha256:7b0ede81a22a340c6396525cc2c3429e874752b4394afdf3d51c84579711ff6a","target":"record","created_at":"2026-07-05T07:53:21Z","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":"1daca5db35b75a379c8f4faeabc4b51004384364622ac4482a6854e126420dd3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-03-07T08:04:18Z","title_canon_sha256":"fe78bc5d97f52c70114fd1d1fac65928ad58f38f1b621718d0e6520425bb843b"},"schema_version":"1.0","source":{"id":"2403.04300","kind":"arxiv","version":1}},"canonical_sha256":"669c8634575089d7eddf0537dc7933a16e42c2098605fe0f3f8da9d834b02ae3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"669c8634575089d7eddf0537dc7933a16e42c2098605fe0f3f8da9d834b02ae3","first_computed_at":"2026-07-05T07:53:21.351827Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:53:21.351827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8W/n60mlHyZIgxEbhDB+6q4gjOFoMuEO4AGhnDNKb5H8WeiRiOWyIXAkMsP5HuY+L2el7RRtswoSTrM+I042CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:53:21.352309Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.04300","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b0ede81a22a340c6396525cc2c3429e874752b4394afdf3d51c84579711ff6a","sha256:f51a6c48cbe59accea112805f9252f888b60f7917c1265a7f200a90b5b8fa140"],"state_sha256":"c9eb377b982bd89c0b18b2c73ddab2284e561305f9ead5e67553ca00024fc6f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N0PP1VkfdIzT1Du2n6WWwmj7vDrysErY6fHoh2cLaDFx9kOKxXnQfNxd2RyZi1fZK+LTDxp2gdovZfN5qfErBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T07:41:11.761968Z","bundle_sha256":"e8ca96fe525ccb4b1d097aa0c30f9a3daacc61aba2b78ee340e5f6cd62bb1a67"}}