{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:7YIXZZWIMUDQWIUNUPF7BOXUXA","short_pith_number":"pith:7YIXZZWI","canonical_record":{"source":{"id":"2406.15737","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-06-22T05:06:43Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"7658fc41ca7468525a583605831faaf8b12fe51b692b58fe6e89af20e390fafc","abstract_canon_sha256":"3332a2c15cb6d6baa4267401d0726f10d763cc4e43c2df85e4f07f7a7d0b36fa"},"schema_version":"1.0"},"canonical_sha256":"fe117ce6c865070b228da3cbf0baf4b818cdf0e60cd4dbf245ce5759403df451","source":{"kind":"arxiv","id":"2406.15737","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.15737","created_at":"2026-07-05T11:04:38Z"},{"alias_kind":"arxiv_version","alias_value":"2406.15737v1","created_at":"2026-07-05T11:04:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.15737","created_at":"2026-07-05T11:04:38Z"},{"alias_kind":"pith_short_12","alias_value":"7YIXZZWIMUDQ","created_at":"2026-07-05T11:04:38Z"},{"alias_kind":"pith_short_16","alias_value":"7YIXZZWIMUDQWIUN","created_at":"2026-07-05T11:04:38Z"},{"alias_kind":"pith_short_8","alias_value":"7YIXZZWI","created_at":"2026-07-05T11:04:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:7YIXZZWIMUDQWIUNUPF7BOXUXA","target":"record","payload":{"canonical_record":{"source":{"id":"2406.15737","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-06-22T05:06:43Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"7658fc41ca7468525a583605831faaf8b12fe51b692b58fe6e89af20e390fafc","abstract_canon_sha256":"3332a2c15cb6d6baa4267401d0726f10d763cc4e43c2df85e4f07f7a7d0b36fa"},"schema_version":"1.0"},"canonical_sha256":"fe117ce6c865070b228da3cbf0baf4b818cdf0e60cd4dbf245ce5759403df451","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:04:38.007268Z","signature_b64":"Ta+UsIW9AzKiA8O9hqhE1/jGmCxEwHg/IZh9TSSlPRYhiNWEJ6RfkGJenmu1QVkWgXcRTa4EmjuTDFsCfDWQDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe117ce6c865070b228da3cbf0baf4b818cdf0e60cd4dbf245ce5759403df451","last_reissued_at":"2026-07-05T11:04:38.006836Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:04:38.006836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.15737","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":"2026-07-05T11:04:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YJEaMpUG8C/mLTAMGV0V5XNoQ7fFZYipGwHskhC3Xa7FidXOpdYBr1zfgCq2zxjLAOF5zUiD1lXYDLpkkAxNDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:46:14.601324Z"},"content_sha256":"9a8c22ae7ab0c969b54d956f0b95dab910370a31f9b16dff9f911b8a95a151a7","schema_version":"1.0","event_id":"sha256:9a8c22ae7ab0c969b54d956f0b95dab910370a31f9b16dff9f911b8a95a151a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:7YIXZZWIMUDQWIUNUPF7BOXUXA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Correlation Functions From Tensor Network Influence Functionals: The Case of the Spin-Boson Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"physics.chem-ph","authors_text":"Andrew J. Millis, David R. Reichman, Garnet Kin-Lic Chan, Gunhee Park, Haimi Nguyen, Lachlan P. Lindoy, Nathan Ng","submitted_at":"2024-06-22T05:06:43Z","abstract_excerpt":"We investigate the application of matrix product state (MPS) representations of the influence functionals (IF) for the calculation of real-time equilibrium correlation functions in open quantum systems. Focusing specifically on the unbiased spin-boson model, we explore the use of IF-MPSs for complex time propagation, as well as IF-MPSs for constructing correlation functions in the steady state. We examine three different IF approaches: one based on the Kadanoff-Baym contour targeting correlation functions at all times, one based on a complex contour targeting the correlation function at a sing"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.15737","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2406.15737/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":"2026-07-05T11:04:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k1Uv+B4Zw2F4coqQvEOE2vmx9V8T4UGRe9XdPLqPvC0rp6OpiDifrxc0/kHaGY3brwoLMM+qDkYjeV8mfogiAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:46:14.601706Z"},"content_sha256":"bf2c4672c152d7405100c291eaaab266843d9dbbc86229a8362b4c2c5e1bab1c","schema_version":"1.0","event_id":"sha256:bf2c4672c152d7405100c291eaaab266843d9dbbc86229a8362b4c2c5e1bab1c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7YIXZZWIMUDQWIUNUPF7BOXUXA/bundle.json","state_url":"https://pith.science/pith/7YIXZZWIMUDQWIUNUPF7BOXUXA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7YIXZZWIMUDQWIUNUPF7BOXUXA/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":"2026-07-06T17:46:14Z","links":{"resolver":"https://pith.science/pith/7YIXZZWIMUDQWIUNUPF7BOXUXA","bundle":"https://pith.science/pith/7YIXZZWIMUDQWIUNUPF7BOXUXA/bundle.json","state":"https://pith.science/pith/7YIXZZWIMUDQWIUNUPF7BOXUXA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7YIXZZWIMUDQWIUNUPF7BOXUXA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:7YIXZZWIMUDQWIUNUPF7BOXUXA","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":"3332a2c15cb6d6baa4267401d0726f10d763cc4e43c2df85e4f07f7a7d0b36fa","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-06-22T05:06:43Z","title_canon_sha256":"7658fc41ca7468525a583605831faaf8b12fe51b692b58fe6e89af20e390fafc"},"schema_version":"1.0","source":{"id":"2406.15737","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.15737","created_at":"2026-07-05T11:04:38Z"},{"alias_kind":"arxiv_version","alias_value":"2406.15737v1","created_at":"2026-07-05T11:04:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.15737","created_at":"2026-07-05T11:04:38Z"},{"alias_kind":"pith_short_12","alias_value":"7YIXZZWIMUDQ","created_at":"2026-07-05T11:04:38Z"},{"alias_kind":"pith_short_16","alias_value":"7YIXZZWIMUDQWIUN","created_at":"2026-07-05T11:04:38Z"},{"alias_kind":"pith_short_8","alias_value":"7YIXZZWI","created_at":"2026-07-05T11:04:38Z"}],"graph_snapshots":[{"event_id":"sha256:bf2c4672c152d7405100c291eaaab266843d9dbbc86229a8362b4c2c5e1bab1c","target":"graph","created_at":"2026-07-05T11:04:38Z","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/2406.15737/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the application of matrix product state (MPS) representations of the influence functionals (IF) for the calculation of real-time equilibrium correlation functions in open quantum systems. Focusing specifically on the unbiased spin-boson model, we explore the use of IF-MPSs for complex time propagation, as well as IF-MPSs for constructing correlation functions in the steady state. We examine three different IF approaches: one based on the Kadanoff-Baym contour targeting correlation functions at all times, one based on a complex contour targeting the correlation function at a sing","authors_text":"Andrew J. Millis, David R. Reichman, Garnet Kin-Lic Chan, Gunhee Park, Haimi Nguyen, Lachlan P. Lindoy, Nathan Ng","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-06-22T05:06:43Z","title":"Correlation Functions From Tensor Network Influence Functionals: The Case of the Spin-Boson Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.15737","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":"sha256:9a8c22ae7ab0c969b54d956f0b95dab910370a31f9b16dff9f911b8a95a151a7","target":"record","created_at":"2026-07-05T11:04:38Z","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":"3332a2c15cb6d6baa4267401d0726f10d763cc4e43c2df85e4f07f7a7d0b36fa","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-06-22T05:06:43Z","title_canon_sha256":"7658fc41ca7468525a583605831faaf8b12fe51b692b58fe6e89af20e390fafc"},"schema_version":"1.0","source":{"id":"2406.15737","kind":"arxiv","version":1}},"canonical_sha256":"fe117ce6c865070b228da3cbf0baf4b818cdf0e60cd4dbf245ce5759403df451","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe117ce6c865070b228da3cbf0baf4b818cdf0e60cd4dbf245ce5759403df451","first_computed_at":"2026-07-05T11:04:38.006836Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:04:38.006836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ta+UsIW9AzKiA8O9hqhE1/jGmCxEwHg/IZh9TSSlPRYhiNWEJ6RfkGJenmu1QVkWgXcRTa4EmjuTDFsCfDWQDA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:04:38.007268Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.15737","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a8c22ae7ab0c969b54d956f0b95dab910370a31f9b16dff9f911b8a95a151a7","sha256:bf2c4672c152d7405100c291eaaab266843d9dbbc86229a8362b4c2c5e1bab1c"],"state_sha256":"46783cadda43821cb75e23f8559071c4d49470d34a4c4205724bd8dee4a30ae0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"frQ1GGp5qf/79yRQaGA8e36/oZXW0LzhEcbn+Lwf4HoXYhjUS/fEPL7tckxkGAyAXuQA0WOmTfmI74mPydFVAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T17:46:14.603894Z","bundle_sha256":"91903deb85654e5e7f4972909d3ef865aa200f69895e205b511b3ca6285be7fb"}}