{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:ECIHSYV7JVC4EIT334YJ4ECWJM","short_pith_number":"pith:ECIHSYV7","canonical_record":{"source":{"id":"1103.4231","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-03-22T09:19:46Z","cross_cats_sorted":[],"title_canon_sha256":"e047886e8c35397ccca229272f464502d89a48c491655869229588119199e799","abstract_canon_sha256":"16e109eee3739e333b245db37c08e5e3cbebc539c5521b016bc9fb78b29e0e11"},"schema_version":"1.0"},"canonical_sha256":"20907962bf4d45c2227bdf309e10564b39fb4a9d59a6f83c5a22bb7fa214ab99","source":{"kind":"arxiv","id":"1103.4231","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.4231","created_at":"2026-05-18T04:18:44Z"},{"alias_kind":"arxiv_version","alias_value":"1103.4231v1","created_at":"2026-05-18T04:18:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.4231","created_at":"2026-05-18T04:18:44Z"},{"alias_kind":"pith_short_12","alias_value":"ECIHSYV7JVC4","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"ECIHSYV7JVC4EIT3","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"ECIHSYV7","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:ECIHSYV7JVC4EIT334YJ4ECWJM","target":"record","payload":{"canonical_record":{"source":{"id":"1103.4231","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-03-22T09:19:46Z","cross_cats_sorted":[],"title_canon_sha256":"e047886e8c35397ccca229272f464502d89a48c491655869229588119199e799","abstract_canon_sha256":"16e109eee3739e333b245db37c08e5e3cbebc539c5521b016bc9fb78b29e0e11"},"schema_version":"1.0"},"canonical_sha256":"20907962bf4d45c2227bdf309e10564b39fb4a9d59a6f83c5a22bb7fa214ab99","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:18:44.533009Z","signature_b64":"GkGzZY8cepnqcYADI2Q3iUY4si+E7AJtjq2TEvJQiTMS/kzGUo4Dt268CFrcLWxtSWVybMuT7e7xXMpCuZSXBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"20907962bf4d45c2227bdf309e10564b39fb4a9d59a6f83c5a22bb7fa214ab99","last_reissued_at":"2026-05-18T04:18:44.532405Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:18:44.532405Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.4231","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":"2026-05-18T04:18:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/MLsCqkhybtu2rG3GX6wPRSmNlu/I0HHUxqwtD9VV8ZFEUwRiKXydDjhpXUUxVrvCrq9uBNdgCYcjZZLHIE0CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T18:14:13.057754Z"},"content_sha256":"ea29e01786ef6cfc3b4f4928f1660b3ea8ae3813e7c717f0f222a853b761ebeb","schema_version":"1.0","event_id":"sha256:ea29e01786ef6cfc3b4f4928f1660b3ea8ae3813e7c717f0f222a853b761ebeb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:ECIHSYV7JVC4EIT334YJ4ECWJM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamical creation of entangled bosonic states in a double well","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"K. Ziegler","submitted_at":"2011-03-22T09:19:46Z","abstract_excerpt":"We study the creation of a bosonic N00N state from the evolution of a Fock state in a double well. While noninteracting bosons disappear quickly in the Hilbert space, the evolution under the influence of a Bose-Hubbard Hamiltonian is much more restricted. This restriction is caused by the fragmentation of the spectrum into a high-energy part with doubly degenerate levels and a nondegenerate low-energy part. This degeneracy suppresses transitions to states of the high-energy part of the spectrum. At a moderate interaction strength this effect supports strongly the dynamical formation of a N00N "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.4231","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":"2026-05-18T04:18:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E0wcbpZahheHi7PElHw0ZBy1Hk2pz+CZgqSZNKDz5K+n8LuVFzJrOeMOqloEQTm6n4XgKzsCNP1nTSC5rg1HAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T18:14:13.058101Z"},"content_sha256":"3ae7f57007ad4a79aa95e787830813caf2d8d04c74e8dc0dc9a07b13f91cdede","schema_version":"1.0","event_id":"sha256:3ae7f57007ad4a79aa95e787830813caf2d8d04c74e8dc0dc9a07b13f91cdede"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ECIHSYV7JVC4EIT334YJ4ECWJM/bundle.json","state_url":"https://pith.science/pith/ECIHSYV7JVC4EIT334YJ4ECWJM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ECIHSYV7JVC4EIT334YJ4ECWJM/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":"2026-05-22T18:14:13Z","links":{"resolver":"https://pith.science/pith/ECIHSYV7JVC4EIT334YJ4ECWJM","bundle":"https://pith.science/pith/ECIHSYV7JVC4EIT334YJ4ECWJM/bundle.json","state":"https://pith.science/pith/ECIHSYV7JVC4EIT334YJ4ECWJM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ECIHSYV7JVC4EIT334YJ4ECWJM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ECIHSYV7JVC4EIT334YJ4ECWJM","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":"16e109eee3739e333b245db37c08e5e3cbebc539c5521b016bc9fb78b29e0e11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-03-22T09:19:46Z","title_canon_sha256":"e047886e8c35397ccca229272f464502d89a48c491655869229588119199e799"},"schema_version":"1.0","source":{"id":"1103.4231","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.4231","created_at":"2026-05-18T04:18:44Z"},{"alias_kind":"arxiv_version","alias_value":"1103.4231v1","created_at":"2026-05-18T04:18:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.4231","created_at":"2026-05-18T04:18:44Z"},{"alias_kind":"pith_short_12","alias_value":"ECIHSYV7JVC4","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"ECIHSYV7JVC4EIT3","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"ECIHSYV7","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:3ae7f57007ad4a79aa95e787830813caf2d8d04c74e8dc0dc9a07b13f91cdede","target":"graph","created_at":"2026-05-18T04:18:44Z","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 creation of a bosonic N00N state from the evolution of a Fock state in a double well. While noninteracting bosons disappear quickly in the Hilbert space, the evolution under the influence of a Bose-Hubbard Hamiltonian is much more restricted. This restriction is caused by the fragmentation of the spectrum into a high-energy part with doubly degenerate levels and a nondegenerate low-energy part. This degeneracy suppresses transitions to states of the high-energy part of the spectrum. At a moderate interaction strength this effect supports strongly the dynamical formation of a N00N ","authors_text":"K. Ziegler","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-03-22T09:19:46Z","title":"Dynamical creation of entangled bosonic states in a double well"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.4231","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:ea29e01786ef6cfc3b4f4928f1660b3ea8ae3813e7c717f0f222a853b761ebeb","target":"record","created_at":"2026-05-18T04:18:44Z","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":"16e109eee3739e333b245db37c08e5e3cbebc539c5521b016bc9fb78b29e0e11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-03-22T09:19:46Z","title_canon_sha256":"e047886e8c35397ccca229272f464502d89a48c491655869229588119199e799"},"schema_version":"1.0","source":{"id":"1103.4231","kind":"arxiv","version":1}},"canonical_sha256":"20907962bf4d45c2227bdf309e10564b39fb4a9d59a6f83c5a22bb7fa214ab99","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"20907962bf4d45c2227bdf309e10564b39fb4a9d59a6f83c5a22bb7fa214ab99","first_computed_at":"2026-05-18T04:18:44.532405Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:18:44.532405Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GkGzZY8cepnqcYADI2Q3iUY4si+E7AJtjq2TEvJQiTMS/kzGUo4Dt268CFrcLWxtSWVybMuT7e7xXMpCuZSXBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:18:44.533009Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.4231","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ea29e01786ef6cfc3b4f4928f1660b3ea8ae3813e7c717f0f222a853b761ebeb","sha256:3ae7f57007ad4a79aa95e787830813caf2d8d04c74e8dc0dc9a07b13f91cdede"],"state_sha256":"7ff1472bd441860de0f67ed89ce5e80ffc08b40b45680a82f0baf9ae2de6bb91"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bJUkOPuJ7CNJm17HINuO/Ss/eogDKLj6yVF9Oa83fIRac4mDCr0D9s25DGHMPCEuwytsm4wvSQRyBXY6ehqvCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T18:14:13.060097Z","bundle_sha256":"6c362a3f775a5d19ef7b838f84112db253266e497dca7c464341c602082de2b8"}}