{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ZRNEXXRBTV526AF6GRGAZHXPIW","short_pith_number":"pith:ZRNEXXRB","canonical_record":{"source":{"id":"1704.04624","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-04-15T11:25:25Z","cross_cats_sorted":[],"title_canon_sha256":"ed232f01212788e66a6ef6ecb90fad8c55c3f97f5fa71621b8f9528f1f894392","abstract_canon_sha256":"be28c24e1c1d2f95ed7f3cb784f05735c4e7be1f48cbe7d9353e968cdac51e9b"},"schema_version":"1.0"},"canonical_sha256":"cc5a4bde219d7baf00be344c0c9eef45880539dce9742e60e02cedb7efa92ce7","source":{"kind":"arxiv","id":"1704.04624","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.04624","created_at":"2026-05-18T00:16:32Z"},{"alias_kind":"arxiv_version","alias_value":"1704.04624v1","created_at":"2026-05-18T00:16:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.04624","created_at":"2026-05-18T00:16:32Z"},{"alias_kind":"pith_short_12","alias_value":"ZRNEXXRBTV52","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZRNEXXRBTV526AF6","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZRNEXXRB","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ZRNEXXRBTV526AF6GRGAZHXPIW","target":"record","payload":{"canonical_record":{"source":{"id":"1704.04624","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-04-15T11:25:25Z","cross_cats_sorted":[],"title_canon_sha256":"ed232f01212788e66a6ef6ecb90fad8c55c3f97f5fa71621b8f9528f1f894392","abstract_canon_sha256":"be28c24e1c1d2f95ed7f3cb784f05735c4e7be1f48cbe7d9353e968cdac51e9b"},"schema_version":"1.0"},"canonical_sha256":"cc5a4bde219d7baf00be344c0c9eef45880539dce9742e60e02cedb7efa92ce7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:32.269635Z","signature_b64":"iQwOWWOaE8nAn28ntrBxT/Qfc/g0hI6qCaoXPntklhmftEJ/tqzOecFW+OgzzNwToFBnZBgY7s7CzxRhqOhVBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc5a4bde219d7baf00be344c0c9eef45880539dce9742e60e02cedb7efa92ce7","last_reissued_at":"2026-05-18T00:16:32.269245Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:32.269245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.04624","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":"2026-05-18T00:16:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QxIwRSqOLaVi3jXF8YxtDHZDtGL9Mif97ISv+I5I1SI9hs7ZU8osGhcCvN8k/ASxKcDoxcMWuMiGS5lL2sh/Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:08:57.641371Z"},"content_sha256":"12d4657156361dcfdc6639d563085e46178d544a2c5f775e67d95221f81ff3dc","schema_version":"1.0","event_id":"sha256:12d4657156361dcfdc6639d563085e46178d544a2c5f775e67d95221f81ff3dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ZRNEXXRBTV526AF6GRGAZHXPIW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hyperfine state entanglement of spinor BEC and scattering atom","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Chengguang Bao, Wei Zheng, Zhibing Li","submitted_at":"2017-04-15T11:25:25Z","abstract_excerpt":"Condensate of spin-1 atoms frozen in a unique spatial mode may possess large internal degrees of freedom. The scattering amplitudes of polarized cold atoms scattered by the condensate are obtained with the method of fractional parentage coefficients that treats the spin degrees of freedom rigorously. Channels with scattering cross sections enhanced by square of atom number of the condensate are found. Entanglement between the condensate and the propagating atom can be established by the scattering. The entanglement entropy is analytically obtained for arbitrary initial states. Our results also"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.04624","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":"2026-05-18T00:16:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fH3KcgQL0NaXeTh5fkmZOqYeGi+d/k0YTBSx58YzkEY4jcJLEOgMJi/kLUD3PsUon3qyvdGOk3QltJk/sHNfAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:08:57.642092Z"},"content_sha256":"e0f2fdd34953d696f5d10e954c36bb31bdb9247246b26cf2c1b80cef9ce1f2b3","schema_version":"1.0","event_id":"sha256:e0f2fdd34953d696f5d10e954c36bb31bdb9247246b26cf2c1b80cef9ce1f2b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZRNEXXRBTV526AF6GRGAZHXPIW/bundle.json","state_url":"https://pith.science/pith/ZRNEXXRBTV526AF6GRGAZHXPIW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZRNEXXRBTV526AF6GRGAZHXPIW/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":"2026-05-25T23:08:57Z","links":{"resolver":"https://pith.science/pith/ZRNEXXRBTV526AF6GRGAZHXPIW","bundle":"https://pith.science/pith/ZRNEXXRBTV526AF6GRGAZHXPIW/bundle.json","state":"https://pith.science/pith/ZRNEXXRBTV526AF6GRGAZHXPIW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZRNEXXRBTV526AF6GRGAZHXPIW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZRNEXXRBTV526AF6GRGAZHXPIW","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":"be28c24e1c1d2f95ed7f3cb784f05735c4e7be1f48cbe7d9353e968cdac51e9b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-04-15T11:25:25Z","title_canon_sha256":"ed232f01212788e66a6ef6ecb90fad8c55c3f97f5fa71621b8f9528f1f894392"},"schema_version":"1.0","source":{"id":"1704.04624","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.04624","created_at":"2026-05-18T00:16:32Z"},{"alias_kind":"arxiv_version","alias_value":"1704.04624v1","created_at":"2026-05-18T00:16:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.04624","created_at":"2026-05-18T00:16:32Z"},{"alias_kind":"pith_short_12","alias_value":"ZRNEXXRBTV52","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZRNEXXRBTV526AF6","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZRNEXXRB","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:e0f2fdd34953d696f5d10e954c36bb31bdb9247246b26cf2c1b80cef9ce1f2b3","target":"graph","created_at":"2026-05-18T00:16:32Z","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":"Condensate of spin-1 atoms frozen in a unique spatial mode may possess large internal degrees of freedom. The scattering amplitudes of polarized cold atoms scattered by the condensate are obtained with the method of fractional parentage coefficients that treats the spin degrees of freedom rigorously. Channels with scattering cross sections enhanced by square of atom number of the condensate are found. Entanglement between the condensate and the propagating atom can be established by the scattering. The entanglement entropy is analytically obtained for arbitrary initial states. Our results also","authors_text":"Chengguang Bao, Wei Zheng, Zhibing Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-04-15T11:25:25Z","title":"Hyperfine state entanglement of spinor BEC and scattering atom"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.04624","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":"sha256:12d4657156361dcfdc6639d563085e46178d544a2c5f775e67d95221f81ff3dc","target":"record","created_at":"2026-05-18T00:16:32Z","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":"be28c24e1c1d2f95ed7f3cb784f05735c4e7be1f48cbe7d9353e968cdac51e9b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2017-04-15T11:25:25Z","title_canon_sha256":"ed232f01212788e66a6ef6ecb90fad8c55c3f97f5fa71621b8f9528f1f894392"},"schema_version":"1.0","source":{"id":"1704.04624","kind":"arxiv","version":1}},"canonical_sha256":"cc5a4bde219d7baf00be344c0c9eef45880539dce9742e60e02cedb7efa92ce7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc5a4bde219d7baf00be344c0c9eef45880539dce9742e60e02cedb7efa92ce7","first_computed_at":"2026-05-18T00:16:32.269245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:32.269245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iQwOWWOaE8nAn28ntrBxT/Qfc/g0hI6qCaoXPntklhmftEJ/tqzOecFW+OgzzNwToFBnZBgY7s7CzxRhqOhVBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:32.269635Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.04624","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12d4657156361dcfdc6639d563085e46178d544a2c5f775e67d95221f81ff3dc","sha256:e0f2fdd34953d696f5d10e954c36bb31bdb9247246b26cf2c1b80cef9ce1f2b3"],"state_sha256":"13456d4ebd7a0c5b51c0f10dcd25ec49d9bbdd09893c2cd81257835b6a527c51"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n+S7DT48iD/PMYqpZo2Ya9xnDqU4vAdkf7Fmu014e+3L0Ikrg4eV/49l1Qs1stSsmyJaNhsVySY51VGE8trsAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:08:57.645720Z","bundle_sha256":"9bad85be3345be7d81e9315d5313d58e886bec6177ac8cce476e2706ede4988d"}}