{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:YYVTDHSPRSBNMHQ6HS6J5AWQU5","short_pith_number":"pith:YYVTDHSP","canonical_record":{"source":{"id":"1010.4121","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-10-20T08:09:13Z","cross_cats_sorted":[],"title_canon_sha256":"ae6c9c24877a63b015c76c1dc4756ef9ecc925db0324e492b3bc8b9983aa8ed0","abstract_canon_sha256":"9c6d888ec4109e45ee723b00f3c31c8581cf4fd519067031ac4688a818ae33e3"},"schema_version":"1.0"},"canonical_sha256":"c62b319e4f8c82d61e1e3cbc9e82d0a75fae161bbaac0eeba0b8ca370a5efb09","source":{"kind":"arxiv","id":"1010.4121","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.4121","created_at":"2026-05-18T04:25:11Z"},{"alias_kind":"arxiv_version","alias_value":"1010.4121v1","created_at":"2026-05-18T04:25:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.4121","created_at":"2026-05-18T04:25:11Z"},{"alias_kind":"pith_short_12","alias_value":"YYVTDHSPRSBN","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"YYVTDHSPRSBNMHQ6","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"YYVTDHSP","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:YYVTDHSPRSBNMHQ6HS6J5AWQU5","target":"record","payload":{"canonical_record":{"source":{"id":"1010.4121","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-10-20T08:09:13Z","cross_cats_sorted":[],"title_canon_sha256":"ae6c9c24877a63b015c76c1dc4756ef9ecc925db0324e492b3bc8b9983aa8ed0","abstract_canon_sha256":"9c6d888ec4109e45ee723b00f3c31c8581cf4fd519067031ac4688a818ae33e3"},"schema_version":"1.0"},"canonical_sha256":"c62b319e4f8c82d61e1e3cbc9e82d0a75fae161bbaac0eeba0b8ca370a5efb09","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:25:11.130965Z","signature_b64":"troqmoyNLpv08mAbQwnPOSDwr0X3ucpOvzXF+pGqVpoNV473x7fYC2WdZ1gWROCQjJm2V0vj/C46L8JuwrgJAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c62b319e4f8c82d61e1e3cbc9e82d0a75fae161bbaac0eeba0b8ca370a5efb09","last_reissued_at":"2026-05-18T04:25:11.130334Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:25:11.130334Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.4121","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":"2026-05-18T04:25:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Udr+ZxOQJADZGToj17V9pboPJOYQt5Fs5SU+VyvzTrRnDMQRLkfEEdbMTm6ntOB9l/vKYdRqyRF+Sq5OHlcPAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:44:59.301149Z"},"content_sha256":"236fe65d29081c72a8e5ee902b563aa1b71172d2dcf653b9b1e7eb178f9b13a8","schema_version":"1.0","event_id":"sha256:236fe65d29081c72a8e5ee902b563aa1b71172d2dcf653b9b1e7eb178f9b13a8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:YYVTDHSPRSBNMHQ6HS6J5AWQU5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"EPR entanglement strategies in two-well BEC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"C. Gross, M. D. Reid, M. Oberthaler, P. D. Drummond, Q. Y. He","submitted_at":"2010-10-20T08:09:13Z","abstract_excerpt":"Criteria suitable for measuring entanglement between two different potential wells in a Bose- Einstein condensation (BEC) are evaluated. We show how to generate the required entanglement, utilizing either an adiabatic two-mode or dynamic four-mode interaction strategy, with techniques that take advantage of s-wave scattering interactions to provide the nonlinear coupling. The dynamic entanglement method results in an entanglement signature with spatially separated detectors, as in the Einstein-Podolsky-Rosen (EPR) paradox."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.4121","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":"2026-05-18T04:25:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MxCikv/79pHH2+EO1nbXwa44vUGbQbSxAGYQcoR/q3+yJ4H8YNu0ylBFiExg6KgCCK7MNQJwN2sn+dfJxSzbCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:44:59.301509Z"},"content_sha256":"a0ac4673bd895735925a8b361bfbc7007de71a7cafb143ee41f06166902f4073","schema_version":"1.0","event_id":"sha256:a0ac4673bd895735925a8b361bfbc7007de71a7cafb143ee41f06166902f4073"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YYVTDHSPRSBNMHQ6HS6J5AWQU5/bundle.json","state_url":"https://pith.science/pith/YYVTDHSPRSBNMHQ6HS6J5AWQU5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YYVTDHSPRSBNMHQ6HS6J5AWQU5/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":"2026-05-28T14:44:59Z","links":{"resolver":"https://pith.science/pith/YYVTDHSPRSBNMHQ6HS6J5AWQU5","bundle":"https://pith.science/pith/YYVTDHSPRSBNMHQ6HS6J5AWQU5/bundle.json","state":"https://pith.science/pith/YYVTDHSPRSBNMHQ6HS6J5AWQU5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YYVTDHSPRSBNMHQ6HS6J5AWQU5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:YYVTDHSPRSBNMHQ6HS6J5AWQU5","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":"9c6d888ec4109e45ee723b00f3c31c8581cf4fd519067031ac4688a818ae33e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-10-20T08:09:13Z","title_canon_sha256":"ae6c9c24877a63b015c76c1dc4756ef9ecc925db0324e492b3bc8b9983aa8ed0"},"schema_version":"1.0","source":{"id":"1010.4121","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.4121","created_at":"2026-05-18T04:25:11Z"},{"alias_kind":"arxiv_version","alias_value":"1010.4121v1","created_at":"2026-05-18T04:25:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.4121","created_at":"2026-05-18T04:25:11Z"},{"alias_kind":"pith_short_12","alias_value":"YYVTDHSPRSBN","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"YYVTDHSPRSBNMHQ6","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"YYVTDHSP","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:a0ac4673bd895735925a8b361bfbc7007de71a7cafb143ee41f06166902f4073","target":"graph","created_at":"2026-05-18T04:25:11Z","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":"Criteria suitable for measuring entanglement between two different potential wells in a Bose- Einstein condensation (BEC) are evaluated. We show how to generate the required entanglement, utilizing either an adiabatic two-mode or dynamic four-mode interaction strategy, with techniques that take advantage of s-wave scattering interactions to provide the nonlinear coupling. The dynamic entanglement method results in an entanglement signature with spatially separated detectors, as in the Einstein-Podolsky-Rosen (EPR) paradox.","authors_text":"C. Gross, M. D. Reid, M. Oberthaler, P. D. Drummond, Q. Y. He","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-10-20T08:09:13Z","title":"EPR entanglement strategies in two-well BEC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.4121","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":"sha256:236fe65d29081c72a8e5ee902b563aa1b71172d2dcf653b9b1e7eb178f9b13a8","target":"record","created_at":"2026-05-18T04:25:11Z","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":"9c6d888ec4109e45ee723b00f3c31c8581cf4fd519067031ac4688a818ae33e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-10-20T08:09:13Z","title_canon_sha256":"ae6c9c24877a63b015c76c1dc4756ef9ecc925db0324e492b3bc8b9983aa8ed0"},"schema_version":"1.0","source":{"id":"1010.4121","kind":"arxiv","version":1}},"canonical_sha256":"c62b319e4f8c82d61e1e3cbc9e82d0a75fae161bbaac0eeba0b8ca370a5efb09","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c62b319e4f8c82d61e1e3cbc9e82d0a75fae161bbaac0eeba0b8ca370a5efb09","first_computed_at":"2026-05-18T04:25:11.130334Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:25:11.130334Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"troqmoyNLpv08mAbQwnPOSDwr0X3ucpOvzXF+pGqVpoNV473x7fYC2WdZ1gWROCQjJm2V0vj/C46L8JuwrgJAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:25:11.130965Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.4121","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:236fe65d29081c72a8e5ee902b563aa1b71172d2dcf653b9b1e7eb178f9b13a8","sha256:a0ac4673bd895735925a8b361bfbc7007de71a7cafb143ee41f06166902f4073"],"state_sha256":"9306c460aafc55639e80311e28c16efcbba23666a47a2e1cd1cc94bc38264aee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PD46cOz6HyWByDZDklzt8j/NyMkybcssQePpj9/R2joAjmwJIxgZ+xm1gOOzmS20YNitrQ/pRju/3WgMltPVAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:44:59.303446Z","bundle_sha256":"0f70b1c31a80f60a8c44ead0884404fc5594c7c6e8e5bb880e5422837de5c808"}}