{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:EVWRNQPCC5PFWNMHX42WYADU27","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":"e14cb25000ddefe1df448ab2ac6c9764bf1cad10bc94c8b44c8ae069c4c19310","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-04T16:03:42Z","title_canon_sha256":"d352ebaf132571b4d6652fe6ae6e22fc6265ee146f8b2a71202b398b3e205f5f"},"schema_version":"1.0","source":{"id":"1508.00807","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.00807","created_at":"2026-05-18T01:12:08Z"},{"alias_kind":"arxiv_version","alias_value":"1508.00807v1","created_at":"2026-05-18T01:12:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.00807","created_at":"2026-05-18T01:12:08Z"},{"alias_kind":"pith_short_12","alias_value":"EVWRNQPCC5PF","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EVWRNQPCC5PFWNMH","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EVWRNQPC","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:46dc13b40dd00882c317da3fd69c532f2f265e4fb086640151d47544b10c8b15","target":"graph","created_at":"2026-05-18T01:12:08Z","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":"There are two paradigmatic frameworks for treating quantum systems coupled to a dissipative environment: the Caldeira-Leggett and the Ambegaokar-Eckern-Sch\\\"on approaches. Here we recall the differences between them, and explain the consequences when each is applied to a zero dimensional spin (possessing an SU(2) symmetry) in a dissipative environment (a dissipative quantum dot near or beyond the Stoner instability point).","authors_text":"Alexander Altland, Alexander Shnirman, Arijit Saha, Igor S. Burmistrov, Mikhail N. Kiselev, Yuval Gefen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-04T16:03:42Z","title":"U(1) and SU(2) quantum dissipative systems: The Caldeira-Leggett vs. the Amegaokar-Eckern-Sch\\\"on approaches"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.00807","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":"sha256:6fc6fb0e4b898f18390d141130e147e363f5f38b0297ce3163fae436a22c4f23","target":"record","created_at":"2026-05-18T01:12:08Z","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":"e14cb25000ddefe1df448ab2ac6c9764bf1cad10bc94c8b44c8ae069c4c19310","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-04T16:03:42Z","title_canon_sha256":"d352ebaf132571b4d6652fe6ae6e22fc6265ee146f8b2a71202b398b3e205f5f"},"schema_version":"1.0","source":{"id":"1508.00807","kind":"arxiv","version":1}},"canonical_sha256":"256d16c1e2175e5b3587bf356c0074d7ce546eb81195afd3f6eca7d2be2c2c60","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"256d16c1e2175e5b3587bf356c0074d7ce546eb81195afd3f6eca7d2be2c2c60","first_computed_at":"2026-05-18T01:12:08.263487Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:08.263487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mp7J7L4h1rwZMe2ExxbiioITT5xA/R1+3EoNADHjmv1h8t3Zdpy0ipvBMePF0yElKyZL2RpJ8GuliHE3c2vbCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:08.264044Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.00807","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6fc6fb0e4b898f18390d141130e147e363f5f38b0297ce3163fae436a22c4f23","sha256:46dc13b40dd00882c317da3fd69c532f2f265e4fb086640151d47544b10c8b15"],"state_sha256":"88b2779b5aef96147634e36d5d09b802598aab39b0ecc5546de331d3894b8ae4"}