{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:5VXTGVX7R7BXGASZUNETR4VQ4A","short_pith_number":"pith:5VXTGVX7","canonical_record":{"source":{"id":"2603.04563","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2026-03-04T19:47:43Z","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"title_canon_sha256":"3c2c473905f22544a44cc4e644590056fd8e8a5e3991adeb7d1260c23d15c20f","abstract_canon_sha256":"eda5f3710c27712b72e558eb3ef01a55eb44ce8fa4ff2763d91988cbfe6619b3"},"schema_version":"1.0"},"canonical_sha256":"ed6f3356ff8fc3730259a34938f2b0e022f840d362c183968c00af038cf03b1e","source":{"kind":"arxiv","id":"2603.04563","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.04563","created_at":"2026-06-25T00:18:13Z"},{"alias_kind":"arxiv_version","alias_value":"2603.04563v2","created_at":"2026-06-25T00:18:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.04563","created_at":"2026-06-25T00:18:13Z"},{"alias_kind":"pith_short_12","alias_value":"5VXTGVX7R7BX","created_at":"2026-06-25T00:18:13Z"},{"alias_kind":"pith_short_16","alias_value":"5VXTGVX7R7BXGASZ","created_at":"2026-06-25T00:18:13Z"},{"alias_kind":"pith_short_8","alias_value":"5VXTGVX7","created_at":"2026-06-25T00:18:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:5VXTGVX7R7BXGASZUNETR4VQ4A","target":"record","payload":{"canonical_record":{"source":{"id":"2603.04563","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2026-03-04T19:47:43Z","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"title_canon_sha256":"3c2c473905f22544a44cc4e644590056fd8e8a5e3991adeb7d1260c23d15c20f","abstract_canon_sha256":"eda5f3710c27712b72e558eb3ef01a55eb44ce8fa4ff2763d91988cbfe6619b3"},"schema_version":"1.0"},"canonical_sha256":"ed6f3356ff8fc3730259a34938f2b0e022f840d362c183968c00af038cf03b1e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-25T00:18:13.216595Z","signature_b64":"U2MnjRGo6CbWohS+3HKbK2Ud8uwyowho9W9F715RTqPkOxUSRClfR+lLvKjP2vjFVcmRteoX/jpKJVw8goYZBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed6f3356ff8fc3730259a34938f2b0e022f840d362c183968c00af038cf03b1e","last_reissued_at":"2026-06-25T00:18:13.216191Z","signature_status":"signed_v1","first_computed_at":"2026-06-25T00:18:13.216191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2603.04563","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":"2026-06-25T00:18:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gC7GS8HX6w9u/868/cMODQxMG2vgaVycKqZs5sSMAv+vvo9VvjZLlc+BoPn+Jdkv2xS57CrE+sWthLJee1ZMDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T13:14:33.051272Z"},"content_sha256":"0e7569de6e8fc6a795656f923d01f657fa6bac66de5991ece06334848a7959c8","schema_version":"1.0","event_id":"sha256:0e7569de6e8fc6a795656f923d01f657fa6bac66de5991ece06334848a7959c8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:5VXTGVX7R7BXGASZUNETR4VQ4A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"How to improve the accuracy of semiclassical and quasiclassical dynamics with and without generalized quantum master equations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","quant-ph"],"primary_cat":"physics.chem-ph","authors_text":"Andr\\'es Montoya-Castillo, Matthew R. Laskowski, Srijan Bhattacharyya","submitted_at":"2026-03-04T19:47:43Z","abstract_excerpt":"Semi- and quasi-classical (SC) theories can handle arbitrary interatomic interactions and are thus well-suited to predict quantum dynamics in condensed phases that encode energy and charge transport, spectroscopic responses, and chemical reactivity. However, SC theories can be computationally expensive and inaccurate. When combined with generalized quantum master equations (GQMEs), the resulting SC-GQMEs have been observed to enhance the efficiency and accuracy of SC dynamics. Yet, while the mechanism responsible for improved efficiency is clear, the underlying improved accuracy remains elusiv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.04563","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/2603.04563/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":"2026-06-25T00:18:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pqdGh6Dz//2W+dHqPU/GzJojLztajSt8kxS5SZRaea6xLHSfHLhkHJTc1lL5yiTDxv9LoKitQQ1GSXnJR5bgDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T13:14:33.051674Z"},"content_sha256":"77eb45106855b2c6e6e2fe788a8e64fed54afc043e2d29206235c6553b2dcc6e","schema_version":"1.0","event_id":"sha256:77eb45106855b2c6e6e2fe788a8e64fed54afc043e2d29206235c6553b2dcc6e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5VXTGVX7R7BXGASZUNETR4VQ4A/bundle.json","state_url":"https://pith.science/pith/5VXTGVX7R7BXGASZUNETR4VQ4A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5VXTGVX7R7BXGASZUNETR4VQ4A/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":"2026-06-25T13:14:33Z","links":{"resolver":"https://pith.science/pith/5VXTGVX7R7BXGASZUNETR4VQ4A","bundle":"https://pith.science/pith/5VXTGVX7R7BXGASZUNETR4VQ4A/bundle.json","state":"https://pith.science/pith/5VXTGVX7R7BXGASZUNETR4VQ4A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5VXTGVX7R7BXGASZUNETR4VQ4A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:5VXTGVX7R7BXGASZUNETR4VQ4A","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":"eda5f3710c27712b72e558eb3ef01a55eb44ce8fa4ff2763d91988cbfe6619b3","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2026-03-04T19:47:43Z","title_canon_sha256":"3c2c473905f22544a44cc4e644590056fd8e8a5e3991adeb7d1260c23d15c20f"},"schema_version":"1.0","source":{"id":"2603.04563","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.04563","created_at":"2026-06-25T00:18:13Z"},{"alias_kind":"arxiv_version","alias_value":"2603.04563v2","created_at":"2026-06-25T00:18:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.04563","created_at":"2026-06-25T00:18:13Z"},{"alias_kind":"pith_short_12","alias_value":"5VXTGVX7R7BX","created_at":"2026-06-25T00:18:13Z"},{"alias_kind":"pith_short_16","alias_value":"5VXTGVX7R7BXGASZ","created_at":"2026-06-25T00:18:13Z"},{"alias_kind":"pith_short_8","alias_value":"5VXTGVX7","created_at":"2026-06-25T00:18:13Z"}],"graph_snapshots":[{"event_id":"sha256:77eb45106855b2c6e6e2fe788a8e64fed54afc043e2d29206235c6553b2dcc6e","target":"graph","created_at":"2026-06-25T00:18:13Z","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/2603.04563/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Semi- and quasi-classical (SC) theories can handle arbitrary interatomic interactions and are thus well-suited to predict quantum dynamics in condensed phases that encode energy and charge transport, spectroscopic responses, and chemical reactivity. However, SC theories can be computationally expensive and inaccurate. When combined with generalized quantum master equations (GQMEs), the resulting SC-GQMEs have been observed to enhance the efficiency and accuracy of SC dynamics. Yet, while the mechanism responsible for improved efficiency is clear, the underlying improved accuracy remains elusiv","authors_text":"Andr\\'es Montoya-Castillo, Matthew R. Laskowski, Srijan Bhattacharyya","cross_cats":["cond-mat.stat-mech","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2026-03-04T19:47:43Z","title":"How to improve the accuracy of semiclassical and quasiclassical dynamics with and without generalized quantum master equations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.04563","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":"sha256:0e7569de6e8fc6a795656f923d01f657fa6bac66de5991ece06334848a7959c8","target":"record","created_at":"2026-06-25T00:18:13Z","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":"eda5f3710c27712b72e558eb3ef01a55eb44ce8fa4ff2763d91988cbfe6619b3","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2026-03-04T19:47:43Z","title_canon_sha256":"3c2c473905f22544a44cc4e644590056fd8e8a5e3991adeb7d1260c23d15c20f"},"schema_version":"1.0","source":{"id":"2603.04563","kind":"arxiv","version":2}},"canonical_sha256":"ed6f3356ff8fc3730259a34938f2b0e022f840d362c183968c00af038cf03b1e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed6f3356ff8fc3730259a34938f2b0e022f840d362c183968c00af038cf03b1e","first_computed_at":"2026-06-25T00:18:13.216191Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-25T00:18:13.216191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U2MnjRGo6CbWohS+3HKbK2Ud8uwyowho9W9F715RTqPkOxUSRClfR+lLvKjP2vjFVcmRteoX/jpKJVw8goYZBA==","signature_status":"signed_v1","signed_at":"2026-06-25T00:18:13.216595Z","signed_message":"canonical_sha256_bytes"},"source_id":"2603.04563","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e7569de6e8fc6a795656f923d01f657fa6bac66de5991ece06334848a7959c8","sha256:77eb45106855b2c6e6e2fe788a8e64fed54afc043e2d29206235c6553b2dcc6e"],"state_sha256":"7464f9c7f25a7409ae52d3e5d97044ad1fa6bf11f46a725a5d11bb3113fe07ed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BLLNB58NuyRjOE7wmZXjuFnc8U+uCsnvkhU49NPaPt9YXye27qqg3dJJRDDwRwha+qNkCccNGtWBXOWKJ18FAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T13:14:33.053827Z","bundle_sha256":"b680e0f2d7601377e1e8ba0310a2c3e4346e07d2f6a1173e69659146e122b860"}}