{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:QIK3PN5FWFQSBBTAJWQOTL77KN","short_pith_number":"pith:QIK3PN5F","canonical_record":{"source":{"id":"0908.4337","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-08-29T13:41:33Z","cross_cats_sorted":[],"title_canon_sha256":"f5d5bd064db0ed1ef2b7ce2b98936b1973f81ee57ba917de3bf8a0c04b6bc2e0","abstract_canon_sha256":"1bad9427d3e392bc9a0407854dea42bab9dcdca033b6714c32ea1f3a594de198"},"schema_version":"1.0"},"canonical_sha256":"8215b7b7a5b1612086604da0e9afff537f1fd49e0eb5c4c518d150d19ee13036","source":{"kind":"arxiv","id":"0908.4337","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.4337","created_at":"2026-05-18T02:12:13Z"},{"alias_kind":"arxiv_version","alias_value":"0908.4337v1","created_at":"2026-05-18T02:12:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.4337","created_at":"2026-05-18T02:12:13Z"},{"alias_kind":"pith_short_12","alias_value":"QIK3PN5FWFQS","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"QIK3PN5FWFQSBBTA","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"QIK3PN5F","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:QIK3PN5FWFQSBBTAJWQOTL77KN","target":"record","payload":{"canonical_record":{"source":{"id":"0908.4337","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-08-29T13:41:33Z","cross_cats_sorted":[],"title_canon_sha256":"f5d5bd064db0ed1ef2b7ce2b98936b1973f81ee57ba917de3bf8a0c04b6bc2e0","abstract_canon_sha256":"1bad9427d3e392bc9a0407854dea42bab9dcdca033b6714c32ea1f3a594de198"},"schema_version":"1.0"},"canonical_sha256":"8215b7b7a5b1612086604da0e9afff537f1fd49e0eb5c4c518d150d19ee13036","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:13.106170Z","signature_b64":"Gbexgi/sgbRhAHlBcKOGth+UzC9s5Fc2mKvv2DvDzhHEmjifWz4QeDKFNM8tdPr0dVjz8N9s1LCEK8qHZVD5Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8215b7b7a5b1612086604da0e9afff537f1fd49e0eb5c4c518d150d19ee13036","last_reissued_at":"2026-05-18T02:12:13.105268Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:13.105268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0908.4337","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":"2026-05-18T02:12:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4a8AgDXMWdRS1zVs0Ihb/DRXtUggI1xVegDTOeawhRpcdMMBFkRE+A1oEiZg+nkotGD/tCSMKL5SwBDhb+vsCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T16:22:39.111421Z"},"content_sha256":"dc72cccb959fc6e612268c02540c7568d16f4532d6eab6eaedf26222276cefeb","schema_version":"1.0","event_id":"sha256:dc72cccb959fc6e612268c02540c7568d16f4532d6eab6eaedf26222276cefeb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:QIK3PN5FWFQSBBTAJWQOTL77KN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Some entanglement features of three-atoms Tavis-Cummings model: Cooperative case","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A.-S. F. Obada, M. Youssef, N. Metwally","submitted_at":"2009-08-29T13:41:33Z","abstract_excerpt":"In this paper we consider a system of identical three two-level atoms interacting at resonance with a single-mode of the quantized field in a lossless cavity. The initial cavity field is prepared in the coherent state while the atoms are taken initially to be either in the uppermost excited state \"$|eee>$\" or The $\\textmd{GHZ}$-state or the $\\textmd{W}$-state. For this system we investigate different kinds of atomic inversion and entanglement, which arise between the different parts of the system due to the interaction. Also the relationship, between entanglement and some other nonclassical ef"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.4337","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":"2026-05-18T02:12:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Id9Y3waHOaz2htXP6a3JLBIOReyGX8SDylUoXy0zFf3T97eFhg52lfkJB7McJO/Np4Yojeepg0GGMx4bPBr8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T16:22:39.111763Z"},"content_sha256":"6904c229601226519f3764baf1e2194e860997dabcbf69ea2ea8ba1ee94ce704","schema_version":"1.0","event_id":"sha256:6904c229601226519f3764baf1e2194e860997dabcbf69ea2ea8ba1ee94ce704"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QIK3PN5FWFQSBBTAJWQOTL77KN/bundle.json","state_url":"https://pith.science/pith/QIK3PN5FWFQSBBTAJWQOTL77KN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QIK3PN5FWFQSBBTAJWQOTL77KN/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":"2026-06-22T16:22:39Z","links":{"resolver":"https://pith.science/pith/QIK3PN5FWFQSBBTAJWQOTL77KN","bundle":"https://pith.science/pith/QIK3PN5FWFQSBBTAJWQOTL77KN/bundle.json","state":"https://pith.science/pith/QIK3PN5FWFQSBBTAJWQOTL77KN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QIK3PN5FWFQSBBTAJWQOTL77KN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:QIK3PN5FWFQSBBTAJWQOTL77KN","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":"1bad9427d3e392bc9a0407854dea42bab9dcdca033b6714c32ea1f3a594de198","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-08-29T13:41:33Z","title_canon_sha256":"f5d5bd064db0ed1ef2b7ce2b98936b1973f81ee57ba917de3bf8a0c04b6bc2e0"},"schema_version":"1.0","source":{"id":"0908.4337","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.4337","created_at":"2026-05-18T02:12:13Z"},{"alias_kind":"arxiv_version","alias_value":"0908.4337v1","created_at":"2026-05-18T02:12:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.4337","created_at":"2026-05-18T02:12:13Z"},{"alias_kind":"pith_short_12","alias_value":"QIK3PN5FWFQS","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"QIK3PN5FWFQSBBTA","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"QIK3PN5F","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:6904c229601226519f3764baf1e2194e860997dabcbf69ea2ea8ba1ee94ce704","target":"graph","created_at":"2026-05-18T02:12:13Z","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":"In this paper we consider a system of identical three two-level atoms interacting at resonance with a single-mode of the quantized field in a lossless cavity. The initial cavity field is prepared in the coherent state while the atoms are taken initially to be either in the uppermost excited state \"$|eee>$\" or The $\\textmd{GHZ}$-state or the $\\textmd{W}$-state. For this system we investigate different kinds of atomic inversion and entanglement, which arise between the different parts of the system due to the interaction. Also the relationship, between entanglement and some other nonclassical ef","authors_text":"A.-S. F. Obada, M. Youssef, N. Metwally","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-08-29T13:41:33Z","title":"Some entanglement features of three-atoms Tavis-Cummings model: Cooperative case"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.4337","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:dc72cccb959fc6e612268c02540c7568d16f4532d6eab6eaedf26222276cefeb","target":"record","created_at":"2026-05-18T02:12:13Z","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":"1bad9427d3e392bc9a0407854dea42bab9dcdca033b6714c32ea1f3a594de198","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-08-29T13:41:33Z","title_canon_sha256":"f5d5bd064db0ed1ef2b7ce2b98936b1973f81ee57ba917de3bf8a0c04b6bc2e0"},"schema_version":"1.0","source":{"id":"0908.4337","kind":"arxiv","version":1}},"canonical_sha256":"8215b7b7a5b1612086604da0e9afff537f1fd49e0eb5c4c518d150d19ee13036","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8215b7b7a5b1612086604da0e9afff537f1fd49e0eb5c4c518d150d19ee13036","first_computed_at":"2026-05-18T02:12:13.105268Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:13.105268Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Gbexgi/sgbRhAHlBcKOGth+UzC9s5Fc2mKvv2DvDzhHEmjifWz4QeDKFNM8tdPr0dVjz8N9s1LCEK8qHZVD5Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:13.106170Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.4337","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc72cccb959fc6e612268c02540c7568d16f4532d6eab6eaedf26222276cefeb","sha256:6904c229601226519f3764baf1e2194e860997dabcbf69ea2ea8ba1ee94ce704"],"state_sha256":"c8b9dcfe431d5a9206c537dd61751b64c1adaa38a757aa658c7f865624d8166e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6qip8tiuxVwKQym/nmMN6X38VSeC94lA+QCO5Qk/mKIf29vBXH9HcYsq7ZULbxZPO7hpc370tpl7xpwP5MJxCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T16:22:39.113668Z","bundle_sha256":"533fbefcdca57846fe42a5f97c74fcb91fabd4a0538ffedfcc6952bbfb206a8f"}}