{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:WAANJQOOYWX6IURWXNR2I2TLPW","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":"2d6c54b939ba7c50fc6481f51986f167b63a8dc196aa3ae80ff6e263f4c352f2","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-12T20:53:45Z","title_canon_sha256":"dd327fb6df6cd2d4dce88e78595c0d2bcc1f1299743a03d27b185ebc88055167"},"schema_version":"1.0","source":{"id":"1311.2923","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2923","created_at":"2026-05-18T00:19:14Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2923v1","created_at":"2026-05-18T00:19:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2923","created_at":"2026-05-18T00:19:14Z"},{"alias_kind":"pith_short_12","alias_value":"WAANJQOOYWX6","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WAANJQOOYWX6IURW","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WAANJQOO","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:15bc540d467fbd1bc1c8c3b1ba9113b28c8bd1973534813906a4cca6bc3086e4","target":"graph","created_at":"2026-05-18T00:19:14Z","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":"Non-homogeneous chain environments (e.g. segmented ion traps) are investigated through an exact diagonalization approach.\n  Different spectral densities, including band-gaps, can be engineered to separately assess memory effects. Environment non-Markovianity is quantified with recently introduced measures of information flow-back and non-divisibility of the system dynamical map. By sweeping the bath spectrum via tuning of the system frequency we show strongest memory effect at band-gap edges and provide an interpretation based on energy flow between system and environment. A system weakly coup","authors_text":"Fernando Galve, Roberta Zambrini, Ruggero Vasile","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-12T20:53:45Z","title":"On the spectral origin of non-Markovianity: an exact finite model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2923","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:ae92083a7a9df86e522183b18f3763bd2da880ec8013fb738f2cfedb0434abce","target":"record","created_at":"2026-05-18T00:19:14Z","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":"2d6c54b939ba7c50fc6481f51986f167b63a8dc196aa3ae80ff6e263f4c352f2","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-12T20:53:45Z","title_canon_sha256":"dd327fb6df6cd2d4dce88e78595c0d2bcc1f1299743a03d27b185ebc88055167"},"schema_version":"1.0","source":{"id":"1311.2923","kind":"arxiv","version":1}},"canonical_sha256":"b000d4c1cec5afe45236bb63a46a6b7db83d1a222644f7962d3843ff88dbd031","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b000d4c1cec5afe45236bb63a46a6b7db83d1a222644f7962d3843ff88dbd031","first_computed_at":"2026-05-18T00:19:14.559146Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:14.559146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wKJ7r8utDQmykfWSVGagw/gXC2jwmF/fTKFm3Suv47kX56IwoPpJaI4v/JV53xZlikcI9nWvt8SO1sjm4KTRDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:14.560302Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.2923","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae92083a7a9df86e522183b18f3763bd2da880ec8013fb738f2cfedb0434abce","sha256:15bc540d467fbd1bc1c8c3b1ba9113b28c8bd1973534813906a4cca6bc3086e4"],"state_sha256":"889aaeb059be8eef4a22a655ad01d6e73d225b5f650c81b4a385f8e280cf020f"}