{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:ZMBPGGQ4NJXKU3KK3V6KNVKBO7","short_pith_number":"pith:ZMBPGGQ4","canonical_record":{"source":{"id":"1108.0435","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-08-01T21:18:19Z","cross_cats_sorted":[],"title_canon_sha256":"57d1ac2e874900a9467790b6dc1c3a5a624b2e336f27166b44a381df95889043","abstract_canon_sha256":"03f244fb77b43cc85e32f3ce26fe8463c116343da2fc49be92a3d3839f9deef0"},"schema_version":"1.0"},"canonical_sha256":"cb02f31a1c6a6eaa6d4add7ca6d54177c4f5f6914c97d43aedbd33db4ab9c5a8","source":{"kind":"arxiv","id":"1108.0435","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0435","created_at":"2026-05-18T03:53:54Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0435v1","created_at":"2026-05-18T03:53:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0435","created_at":"2026-05-18T03:53:54Z"},{"alias_kind":"pith_short_12","alias_value":"ZMBPGGQ4NJXK","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"ZMBPGGQ4NJXKU3KK","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"ZMBPGGQ4","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:ZMBPGGQ4NJXKU3KK3V6KNVKBO7","target":"record","payload":{"canonical_record":{"source":{"id":"1108.0435","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-08-01T21:18:19Z","cross_cats_sorted":[],"title_canon_sha256":"57d1ac2e874900a9467790b6dc1c3a5a624b2e336f27166b44a381df95889043","abstract_canon_sha256":"03f244fb77b43cc85e32f3ce26fe8463c116343da2fc49be92a3d3839f9deef0"},"schema_version":"1.0"},"canonical_sha256":"cb02f31a1c6a6eaa6d4add7ca6d54177c4f5f6914c97d43aedbd33db4ab9c5a8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:53:54.741574Z","signature_b64":"aWYpEL9j0DDMQe9QPX7XLHs4Fx+e7neWet3RE0XpJfdqSNs7lvDJFzvV6gfQJiK6eOksUNJs7WOp1DXXby9nAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb02f31a1c6a6eaa6d4add7ca6d54177c4f5f6914c97d43aedbd33db4ab9c5a8","last_reissued_at":"2026-05-18T03:53:54.741176Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:53:54.741176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.0435","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":"2026-05-18T03:53:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kaG/Iu3ilIoep9LvJXCefUMx0JZ0gsnoCHMyg5L0eGboq8Kx4lfYGmA5TWgZTZBQCRYDp74vcU3XKIThRNTbAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T23:41:23.074786Z"},"content_sha256":"c34ff33a5cb99c41a6510941ce9ef423948e3989328291e0a5cbac8b7b6234b0","schema_version":"1.0","event_id":"sha256:c34ff33a5cb99c41a6510941ce9ef423948e3989328291e0a5cbac8b7b6234b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:ZMBPGGQ4NJXKU3KK3V6KNVKBO7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling and control of entanglement dynamics in laser cooling of trapped atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hanspeter Helm, Heinz-Peter Breuer, Maryam Roghani","submitted_at":"2011-08-01T21:18:19Z","abstract_excerpt":"We discuss the dynamical behavior of the entanglement between the internal and the external degrees of freedom of a trapped atom in electromagnetically-induced transparency (EIT) laser cooling. It is shown that essential features of the intricate entanglement dynamics observed in full numerical simulations of the underlying quantum master equation can be understood in terms of a two-state model on the basis of Landau-Zener splittings in the atom-laser field Hamiltonian. An extension of this model to an effective non-Hermitian Hamiltonian is constructed which describes the decay of entanglement"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0435","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":"2026-05-18T03:53:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S3z/aWh4MYTV6weMXzmR1NYDMkn7TDwQQZ73uDXz8DcnRIiECFuUueSZa8emRfT8EnOehkAUhdh42gZ58KDcCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T23:41:23.075480Z"},"content_sha256":"662bc044ed2c6b10cbe30f07283a17ff69ba37ca31498404c65bec6f2aee4dd1","schema_version":"1.0","event_id":"sha256:662bc044ed2c6b10cbe30f07283a17ff69ba37ca31498404c65bec6f2aee4dd1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZMBPGGQ4NJXKU3KK3V6KNVKBO7/bundle.json","state_url":"https://pith.science/pith/ZMBPGGQ4NJXKU3KK3V6KNVKBO7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZMBPGGQ4NJXKU3KK3V6KNVKBO7/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":"2026-06-10T23:41:23Z","links":{"resolver":"https://pith.science/pith/ZMBPGGQ4NJXKU3KK3V6KNVKBO7","bundle":"https://pith.science/pith/ZMBPGGQ4NJXKU3KK3V6KNVKBO7/bundle.json","state":"https://pith.science/pith/ZMBPGGQ4NJXKU3KK3V6KNVKBO7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZMBPGGQ4NJXKU3KK3V6KNVKBO7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ZMBPGGQ4NJXKU3KK3V6KNVKBO7","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":"03f244fb77b43cc85e32f3ce26fe8463c116343da2fc49be92a3d3839f9deef0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-08-01T21:18:19Z","title_canon_sha256":"57d1ac2e874900a9467790b6dc1c3a5a624b2e336f27166b44a381df95889043"},"schema_version":"1.0","source":{"id":"1108.0435","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0435","created_at":"2026-05-18T03:53:54Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0435v1","created_at":"2026-05-18T03:53:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0435","created_at":"2026-05-18T03:53:54Z"},{"alias_kind":"pith_short_12","alias_value":"ZMBPGGQ4NJXK","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"ZMBPGGQ4NJXKU3KK","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"ZMBPGGQ4","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:662bc044ed2c6b10cbe30f07283a17ff69ba37ca31498404c65bec6f2aee4dd1","target":"graph","created_at":"2026-05-18T03:53:54Z","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 discuss the dynamical behavior of the entanglement between the internal and the external degrees of freedom of a trapped atom in electromagnetically-induced transparency (EIT) laser cooling. It is shown that essential features of the intricate entanglement dynamics observed in full numerical simulations of the underlying quantum master equation can be understood in terms of a two-state model on the basis of Landau-Zener splittings in the atom-laser field Hamiltonian. An extension of this model to an effective non-Hermitian Hamiltonian is constructed which describes the decay of entanglement","authors_text":"Hanspeter Helm, Heinz-Peter Breuer, Maryam Roghani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-08-01T21:18:19Z","title":"Modeling and control of entanglement dynamics in laser cooling of trapped atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0435","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:c34ff33a5cb99c41a6510941ce9ef423948e3989328291e0a5cbac8b7b6234b0","target":"record","created_at":"2026-05-18T03:53:54Z","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":"03f244fb77b43cc85e32f3ce26fe8463c116343da2fc49be92a3d3839f9deef0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-08-01T21:18:19Z","title_canon_sha256":"57d1ac2e874900a9467790b6dc1c3a5a624b2e336f27166b44a381df95889043"},"schema_version":"1.0","source":{"id":"1108.0435","kind":"arxiv","version":1}},"canonical_sha256":"cb02f31a1c6a6eaa6d4add7ca6d54177c4f5f6914c97d43aedbd33db4ab9c5a8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cb02f31a1c6a6eaa6d4add7ca6d54177c4f5f6914c97d43aedbd33db4ab9c5a8","first_computed_at":"2026-05-18T03:53:54.741176Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:53:54.741176Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aWYpEL9j0DDMQe9QPX7XLHs4Fx+e7neWet3RE0XpJfdqSNs7lvDJFzvV6gfQJiK6eOksUNJs7WOp1DXXby9nAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:53:54.741574Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.0435","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c34ff33a5cb99c41a6510941ce9ef423948e3989328291e0a5cbac8b7b6234b0","sha256:662bc044ed2c6b10cbe30f07283a17ff69ba37ca31498404c65bec6f2aee4dd1"],"state_sha256":"38036e2f4f88f9cccb393c04c5795caf54fede79ea01a62972977934ceaa07f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WnY+odyftBp2MDC6/1BcYT/d3BytdKtfTcLsaYfIN6pvyWRgYOhtbwJ0DeKE2NFeuaJZqgu7JT4LdeWMPOfTBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T23:41:23.081794Z","bundle_sha256":"eb5d638da7809707866481a2048908424c906cd4d94a406792434112f2f15e6c"}}