{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:LWUVMYMPJHUEVLGGDBMBPA6XSK","short_pith_number":"pith:LWUVMYMP","canonical_record":{"source":{"id":"2604.01556","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-04-02T03:00:48Z","cross_cats_sorted":[],"title_canon_sha256":"89889a793b6c704933b5dc690a7ce8aad73bde448b63d12d1cc34df0b3ed8330","abstract_canon_sha256":"8503e25d4113cbe9dc53745fc394bc7c08314ab5f00d9f585325efaf7c5b4afc"},"schema_version":"1.0"},"canonical_sha256":"5da956618f49e84aacc618581783d7929cc5a50da56506b8c960e35319ba7797","source":{"kind":"arxiv","id":"2604.01556","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.01556","created_at":"2026-07-31T01:10:51Z"},{"alias_kind":"arxiv_version","alias_value":"2604.01556v2","created_at":"2026-07-31T01:10:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.01556","created_at":"2026-07-31T01:10:51Z"},{"alias_kind":"pith_short_12","alias_value":"LWUVMYMPJHUE","created_at":"2026-07-31T01:10:51Z"},{"alias_kind":"pith_short_16","alias_value":"LWUVMYMPJHUEVLGG","created_at":"2026-07-31T01:10:51Z"},{"alias_kind":"pith_short_8","alias_value":"LWUVMYMP","created_at":"2026-07-31T01:10:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:LWUVMYMPJHUEVLGGDBMBPA6XSK","target":"record","payload":{"canonical_record":{"source":{"id":"2604.01556","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-04-02T03:00:48Z","cross_cats_sorted":[],"title_canon_sha256":"89889a793b6c704933b5dc690a7ce8aad73bde448b63d12d1cc34df0b3ed8330","abstract_canon_sha256":"8503e25d4113cbe9dc53745fc394bc7c08314ab5f00d9f585325efaf7c5b4afc"},"schema_version":"1.0"},"canonical_sha256":"5da956618f49e84aacc618581783d7929cc5a50da56506b8c960e35319ba7797","receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5da956618f49e84aacc618581783d7929cc5a50da56506b8c960e35319ba7797","last_reissued_at":"2026-07-31T01:10:51.839345Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-31T01:10:51.839345Z"},"source_kind":"arxiv","source_id":"2604.01556","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-31T01:10:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QKFjEapQUddb3HRQWWPjUweAsffiXXRqEC0T/rk89hqGc2HkrWG8tuoWNvuydZ4Qs3ImYRY6fFkXBsNuWO6+Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T17:54:15.980153Z"},"content_sha256":"63aa3bf542cf4a8205d0129b00feda147d38507d8af6b4ae44b0b21391d3be0c","schema_version":"1.0","event_id":"sha256:63aa3bf542cf4a8205d0129b00feda147d38507d8af6b4ae44b0b21391d3be0c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:LWUVMYMPJHUEVLGGDBMBPA6XSK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time-evolving matrix product operators for off-diagonal system-bath coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Chu Guo, Ping-Xing Chen, Ruofan Chen, Tian Jiang, Wei Wu, Xiansong Xu","submitted_at":"2026-04-02T03:00:48Z","abstract_excerpt":"The time-evolving matrix product operator (TEMPO) method has proven to be a powerful method to study the long-time dynamics of bosonic impurity problems where a small system is linearly coupled to a noninteracting bosonic bath. However, current developments of TEMPO have mostly focused on the case of diagonal system-bath coupling, i.e., $\\sum_k \\Aop(V_k \\bdop_k + \\hc)$, with $\\Aop$ a Hermitian operator of the system. Based on the process tensor framework, we extend TEMPO to the more general case of off-diagonal system-bath coupling in the form $\\sum_k (V_k\\Aop\\bdop_k + \\hc)$, where $\\Aop$ coul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2604.01556","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2604.01556/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-31T01:10:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9Wt+upYHLe+GC+q1Jox1lUyulS4h271VvI2WYsr9io/j7eWDrMLuMKmUScp9pOlmTC8TsdHQ+jZUmJCDI3OBDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T17:54:15.980728Z"},"content_sha256":"8f25fb9c1b03f1c5cd616a8792d585ebf75403f3cd0bc39d68cdbd4dbf9bdaab","schema_version":"1.0","event_id":"sha256:8f25fb9c1b03f1c5cd616a8792d585ebf75403f3cd0bc39d68cdbd4dbf9bdaab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LWUVMYMPJHUEVLGGDBMBPA6XSK/bundle.json","state_url":"https://pith.science/pith/LWUVMYMPJHUEVLGGDBMBPA6XSK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LWUVMYMPJHUEVLGGDBMBPA6XSK/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":"2026-08-12T17:54:15Z","links":{"resolver":"https://pith.science/pith/LWUVMYMPJHUEVLGGDBMBPA6XSK","bundle":"https://pith.science/pith/LWUVMYMPJHUEVLGGDBMBPA6XSK/bundle.json","state":"https://pith.science/pith/LWUVMYMPJHUEVLGGDBMBPA6XSK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LWUVMYMPJHUEVLGGDBMBPA6XSK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:LWUVMYMPJHUEVLGGDBMBPA6XSK","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":"8503e25d4113cbe9dc53745fc394bc7c08314ab5f00d9f585325efaf7c5b4afc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-04-02T03:00:48Z","title_canon_sha256":"89889a793b6c704933b5dc690a7ce8aad73bde448b63d12d1cc34df0b3ed8330"},"schema_version":"1.0","source":{"id":"2604.01556","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.01556","created_at":"2026-07-31T01:10:51Z"},{"alias_kind":"arxiv_version","alias_value":"2604.01556v2","created_at":"2026-07-31T01:10:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.01556","created_at":"2026-07-31T01:10:51Z"},{"alias_kind":"pith_short_12","alias_value":"LWUVMYMPJHUE","created_at":"2026-07-31T01:10:51Z"},{"alias_kind":"pith_short_16","alias_value":"LWUVMYMPJHUEVLGG","created_at":"2026-07-31T01:10:51Z"},{"alias_kind":"pith_short_8","alias_value":"LWUVMYMP","created_at":"2026-07-31T01:10:51Z"}],"graph_snapshots":[{"event_id":"sha256:8f25fb9c1b03f1c5cd616a8792d585ebf75403f3cd0bc39d68cdbd4dbf9bdaab","target":"graph","created_at":"2026-07-31T01:10:51Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2604.01556/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The time-evolving matrix product operator (TEMPO) method has proven to be a powerful method to study the long-time dynamics of bosonic impurity problems where a small system is linearly coupled to a noninteracting bosonic bath. However, current developments of TEMPO have mostly focused on the case of diagonal system-bath coupling, i.e., $\\sum_k \\Aop(V_k \\bdop_k + \\hc)$, with $\\Aop$ a Hermitian operator of the system. Based on the process tensor framework, we extend TEMPO to the more general case of off-diagonal system-bath coupling in the form $\\sum_k (V_k\\Aop\\bdop_k + \\hc)$, where $\\Aop$ coul","authors_text":"Chu Guo, Ping-Xing Chen, Ruofan Chen, Tian Jiang, Wei Wu, Xiansong Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-04-02T03:00:48Z","title":"Time-evolving matrix product operators for off-diagonal system-bath coupling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2604.01556","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":"sha256:63aa3bf542cf4a8205d0129b00feda147d38507d8af6b4ae44b0b21391d3be0c","target":"record","created_at":"2026-07-31T01:10:51Z","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":"8503e25d4113cbe9dc53745fc394bc7c08314ab5f00d9f585325efaf7c5b4afc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-04-02T03:00:48Z","title_canon_sha256":"89889a793b6c704933b5dc690a7ce8aad73bde448b63d12d1cc34df0b3ed8330"},"schema_version":"1.0","source":{"id":"2604.01556","kind":"arxiv","version":2}},"canonical_sha256":"5da956618f49e84aacc618581783d7929cc5a50da56506b8c960e35319ba7797","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5da956618f49e84aacc618581783d7929cc5a50da56506b8c960e35319ba7797","first_computed_at":"2026-07-31T01:10:51.839345Z","kind":"pith_receipt","last_reissued_at":"2026-07-31T01:10:51.839345Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2604.01556","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63aa3bf542cf4a8205d0129b00feda147d38507d8af6b4ae44b0b21391d3be0c","sha256:8f25fb9c1b03f1c5cd616a8792d585ebf75403f3cd0bc39d68cdbd4dbf9bdaab"],"state_sha256":"afc84500bfc5f015ed8ad566b0b69605f854f2e370cabb9653d8a55b968c0050"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L4opGJnEwc+QOMWuRoom5eL59iMaNiPhsWoiPhoVVkyNpnEbDx0p35aBU3tTm5BMitkA4ee5j917pj+OnzANCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T17:54:15.988071Z","bundle_sha256":"36b5f759d39af8f67af681af7986f15cc8c6535803d4280527b6d01e1146c5dd"}}