{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:FDL3VWH7SAKS34QWPL65S3YND4","short_pith_number":"pith:FDL3VWH7","canonical_record":{"source":{"id":"1004.3024","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"quant-ph","submitted_at":"2010-04-18T14:08:45Z","cross_cats_sorted":["cond-mat.other","hep-th","math-ph","math.MP"],"title_canon_sha256":"5e3ac9fa7f9befd8a05aa76368ad81ce7892a53eaa329c5e8bdc7e47b57d9934","abstract_canon_sha256":"fc741ed118da74b2a231233bbcc6d348c877f512ce758c2d2264a343e7f0ce6b"},"schema_version":"1.0"},"canonical_sha256":"28d7bad8ff90152df2167afdd96f0d1f37823b4894d0e0bd5b40f340fb02e6c8","source":{"kind":"arxiv","id":"1004.3024","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.3024","created_at":"2026-05-18T02:07:57Z"},{"alias_kind":"arxiv_version","alias_value":"1004.3024v2","created_at":"2026-05-18T02:07:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.3024","created_at":"2026-05-18T02:07:57Z"},{"alias_kind":"pith_short_12","alias_value":"FDL3VWH7SAKS","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"FDL3VWH7SAKS34QW","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"FDL3VWH7","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:FDL3VWH7SAKS34QWPL65S3YND4","target":"record","payload":{"canonical_record":{"source":{"id":"1004.3024","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"quant-ph","submitted_at":"2010-04-18T14:08:45Z","cross_cats_sorted":["cond-mat.other","hep-th","math-ph","math.MP"],"title_canon_sha256":"5e3ac9fa7f9befd8a05aa76368ad81ce7892a53eaa329c5e8bdc7e47b57d9934","abstract_canon_sha256":"fc741ed118da74b2a231233bbcc6d348c877f512ce758c2d2264a343e7f0ce6b"},"schema_version":"1.0"},"canonical_sha256":"28d7bad8ff90152df2167afdd96f0d1f37823b4894d0e0bd5b40f340fb02e6c8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:57.138301Z","signature_b64":"6EqB7NPljJpLE3T0dmPXANLHJPIu6zk6/UgdcqxhR+Vtg81WjZDWsRL78rGTdD6zU7Ve2v1wnj1qHR6FyHqVCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28d7bad8ff90152df2167afdd96f0d1f37823b4894d0e0bd5b40f340fb02e6c8","last_reissued_at":"2026-05-18T02:07:57.137672Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:57.137672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.3024","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":"2026-05-18T02:07:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iKsD2/utfOBWFnRRoUBNl/g5v7StjvWt6VmP6nqlo92ARWMachqRJTcOGNkz+5y5dfTm4DadyziSgXwqs252Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:38:59.833238Z"},"content_sha256":"cddac0e3324cfb28bbcdc49a3b81d1ec9b5a36ebee83d54104792b26436e0e74","schema_version":"1.0","event_id":"sha256:cddac0e3324cfb28bbcdc49a3b81d1ec9b5a36ebee83d54104792b26436e0e74"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:FDL3VWH7SAKS34QWPL65S3YND4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Behavior of a bipartite system in a cavity","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":["cond-mat.other","hep-th","math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"A.P.C. Malbouisson, C.A. Linhares, E.R. Granhen, J.M.C. Malbouisson","submitted_at":"2010-04-18T14:08:45Z","abstract_excerpt":"We study the time evolution of a superposition of product states of two dressed atoms in a spherical cavity in the situations of an arbitrarily large cavity (free space) and of a small one. In the large-cavity case, the system dissipates, whereas, for the small cavity, the system evolves in an oscillating way and never completely decays. We verify that the von Neumann entropy for such a system does not depend on time, nor on the size of the cavity"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.3024","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":"2026-05-18T02:07:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JRdgEwrM85x2QEuJZs3GEs14U56Z/c9ZocFTQiJtGoBk/QN9VB/2sQVoroISyn7HThVT4RRBBhE/VDRbnAepDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:38:59.833596Z"},"content_sha256":"518e157ecc5edcc517dfee298adc0e0fd40e3094f3919b266c4e785225832383","schema_version":"1.0","event_id":"sha256:518e157ecc5edcc517dfee298adc0e0fd40e3094f3919b266c4e785225832383"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FDL3VWH7SAKS34QWPL65S3YND4/bundle.json","state_url":"https://pith.science/pith/FDL3VWH7SAKS34QWPL65S3YND4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FDL3VWH7SAKS34QWPL65S3YND4/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":"2026-05-28T05:38:59Z","links":{"resolver":"https://pith.science/pith/FDL3VWH7SAKS34QWPL65S3YND4","bundle":"https://pith.science/pith/FDL3VWH7SAKS34QWPL65S3YND4/bundle.json","state":"https://pith.science/pith/FDL3VWH7SAKS34QWPL65S3YND4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FDL3VWH7SAKS34QWPL65S3YND4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:FDL3VWH7SAKS34QWPL65S3YND4","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":"fc741ed118da74b2a231233bbcc6d348c877f512ce758c2d2264a343e7f0ce6b","cross_cats_sorted":["cond-mat.other","hep-th","math-ph","math.MP"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"quant-ph","submitted_at":"2010-04-18T14:08:45Z","title_canon_sha256":"5e3ac9fa7f9befd8a05aa76368ad81ce7892a53eaa329c5e8bdc7e47b57d9934"},"schema_version":"1.0","source":{"id":"1004.3024","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.3024","created_at":"2026-05-18T02:07:57Z"},{"alias_kind":"arxiv_version","alias_value":"1004.3024v2","created_at":"2026-05-18T02:07:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.3024","created_at":"2026-05-18T02:07:57Z"},{"alias_kind":"pith_short_12","alias_value":"FDL3VWH7SAKS","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"FDL3VWH7SAKS34QW","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"FDL3VWH7","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:518e157ecc5edcc517dfee298adc0e0fd40e3094f3919b266c4e785225832383","target":"graph","created_at":"2026-05-18T02:07:57Z","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 study the time evolution of a superposition of product states of two dressed atoms in a spherical cavity in the situations of an arbitrarily large cavity (free space) and of a small one. In the large-cavity case, the system dissipates, whereas, for the small cavity, the system evolves in an oscillating way and never completely decays. We verify that the von Neumann entropy for such a system does not depend on time, nor on the size of the cavity","authors_text":"A.P.C. Malbouisson, C.A. Linhares, E.R. Granhen, J.M.C. Malbouisson","cross_cats":["cond-mat.other","hep-th","math-ph","math.MP"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"quant-ph","submitted_at":"2010-04-18T14:08:45Z","title":"Behavior of a bipartite system in a cavity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.3024","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:cddac0e3324cfb28bbcdc49a3b81d1ec9b5a36ebee83d54104792b26436e0e74","target":"record","created_at":"2026-05-18T02:07:57Z","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":"fc741ed118da74b2a231233bbcc6d348c877f512ce758c2d2264a343e7f0ce6b","cross_cats_sorted":["cond-mat.other","hep-th","math-ph","math.MP"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"quant-ph","submitted_at":"2010-04-18T14:08:45Z","title_canon_sha256":"5e3ac9fa7f9befd8a05aa76368ad81ce7892a53eaa329c5e8bdc7e47b57d9934"},"schema_version":"1.0","source":{"id":"1004.3024","kind":"arxiv","version":2}},"canonical_sha256":"28d7bad8ff90152df2167afdd96f0d1f37823b4894d0e0bd5b40f340fb02e6c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28d7bad8ff90152df2167afdd96f0d1f37823b4894d0e0bd5b40f340fb02e6c8","first_computed_at":"2026-05-18T02:07:57.137672Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:57.137672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6EqB7NPljJpLE3T0dmPXANLHJPIu6zk6/UgdcqxhR+Vtg81WjZDWsRL78rGTdD6zU7Ve2v1wnj1qHR6FyHqVCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:57.138301Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.3024","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cddac0e3324cfb28bbcdc49a3b81d1ec9b5a36ebee83d54104792b26436e0e74","sha256:518e157ecc5edcc517dfee298adc0e0fd40e3094f3919b266c4e785225832383"],"state_sha256":"c8a0dc7bffd1e3015cfabadbca9ccfeceaed1f50877210114e536353864dae14"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CB23nwY6GfGrxBHA6LRSK5oRL2XQruBsE3a1MA8IIrXCGU/ZjIWZbTEKU9w4IPljavpHYw3UEvERYEpJd4j8AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:38:59.835632Z","bundle_sha256":"cbe3aeeaa5920760fb0e0d420f78ad51c01f32c8c31c0bfd18dd789702aba221"}}