{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:D7STNW5YZI7KA5MVFNNN7KI27Y","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":"89840141e1f7e00684b4c2d49a1a6ca14b9d0403e43bd91ec40f042a099fa77f","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2025-04-13T15:23:43Z","title_canon_sha256":"0a99e57adc1bfab5912a71b3fb8ecfed910c7d41d1f398b0b00dd43bc250aca0"},"schema_version":"1.0","source":{"id":"2504.09619","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.09619","created_at":"2026-05-18T02:44:39Z"},{"alias_kind":"arxiv_version","alias_value":"2504.09619v2","created_at":"2026-05-18T02:44:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.09619","created_at":"2026-05-18T02:44:39Z"},{"alias_kind":"pith_short_12","alias_value":"D7STNW5YZI7K","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_16","alias_value":"D7STNW5YZI7KA5MV","created_at":"2026-05-18T12:33:37Z"},{"alias_kind":"pith_short_8","alias_value":"D7STNW5Y","created_at":"2026-05-18T12:33:37Z"}],"graph_snapshots":[{"event_id":"sha256:65bb6827e831d8da09f246a89e878bd56cdbe52cbab8bc365f2c6abfae2c2c49","target":"graph","created_at":"2026-05-18T02:44:39Z","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 finite-temperature dynamics of non-interacting bosons with a single static spinful impurity immersed. A non-zero contact boson-impurity pairwise interaction is assumed only for the spin-up impurity state. By tracing out bosonic degrees of freedom, the exact time evolution of the impurity spin is calculated for pure and mixed initial ensembles of states. The time-dependent momentum distribution of bosons initially created in the Bose-condensed state and driven by the interaction with spin is analyzed.","authors_text":"G. Panochko, O. Hryhorchak, V. Pastukhov","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2025-04-13T15:23:43Z","title":"Evolution of a single spin in ideal Bose gas at finite temperatures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.09619","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":"sha256:7d3629d9fe842355b4c26acbfd3fd3196458e33ae00957b35d0eb8621373547b","target":"record","created_at":"2026-05-18T02:44:39Z","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":"89840141e1f7e00684b4c2d49a1a6ca14b9d0403e43bd91ec40f042a099fa77f","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2025-04-13T15:23:43Z","title_canon_sha256":"0a99e57adc1bfab5912a71b3fb8ecfed910c7d41d1f398b0b00dd43bc250aca0"},"schema_version":"1.0","source":{"id":"2504.09619","kind":"arxiv","version":2}},"canonical_sha256":"1fe536dbb8ca3ea075952b5adfa91afe1ae0f2cff085449c4b17798c596ee27e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fe536dbb8ca3ea075952b5adfa91afe1ae0f2cff085449c4b17798c596ee27e","first_computed_at":"2026-05-18T02:44:39.179334Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:44:39.179334Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O/mLs7j/Hs163nRaX7MRpKxADdOj6aGH7It07lnYeW/PGPxE11BrtJWOdnDQppMhozwww51CRfjxaf+jfcp8CA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:44:39.179901Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.09619","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d3629d9fe842355b4c26acbfd3fd3196458e33ae00957b35d0eb8621373547b","sha256:65bb6827e831d8da09f246a89e878bd56cdbe52cbab8bc365f2c6abfae2c2c49"],"state_sha256":"4aa01f2b6a695e665f6da2124f09cc9ec2b20499f0a11e7a964c25f4af5ad9f0"}