{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:J3Z2UW77GGQX4OLKHL6ZYIQQ2X","short_pith_number":"pith:J3Z2UW77","canonical_record":{"source":{"id":"2411.11988","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-11-18T19:21:18Z","cross_cats_sorted":[],"title_canon_sha256":"e2ca3b5845f6d138cd5d579ff3adcc862b4773348199ab65f22c12b8f0480175","abstract_canon_sha256":"02b609764a88984029332b693bcce39b366adbb1c9e0add93e381964408eb6b0"},"schema_version":"1.0"},"canonical_sha256":"4ef3aa5bff31a17e396a3afd9c2210d5c4a94aa7660a92e0bc3bfc93ad0eb4e7","source":{"kind":"arxiv","id":"2411.11988","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.11988","created_at":"2026-07-05T09:37:14Z"},{"alias_kind":"arxiv_version","alias_value":"2411.11988v1","created_at":"2026-07-05T09:37:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.11988","created_at":"2026-07-05T09:37:14Z"},{"alias_kind":"pith_short_12","alias_value":"J3Z2UW77GGQX","created_at":"2026-07-05T09:37:14Z"},{"alias_kind":"pith_short_16","alias_value":"J3Z2UW77GGQX4OLK","created_at":"2026-07-05T09:37:14Z"},{"alias_kind":"pith_short_8","alias_value":"J3Z2UW77","created_at":"2026-07-05T09:37:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:J3Z2UW77GGQX4OLKHL6ZYIQQ2X","target":"record","payload":{"canonical_record":{"source":{"id":"2411.11988","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-11-18T19:21:18Z","cross_cats_sorted":[],"title_canon_sha256":"e2ca3b5845f6d138cd5d579ff3adcc862b4773348199ab65f22c12b8f0480175","abstract_canon_sha256":"02b609764a88984029332b693bcce39b366adbb1c9e0add93e381964408eb6b0"},"schema_version":"1.0"},"canonical_sha256":"4ef3aa5bff31a17e396a3afd9c2210d5c4a94aa7660a92e0bc3bfc93ad0eb4e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:37:14.912765Z","signature_b64":"j474cRCKkfcb2FeeURR3VAF3C0jnCZTvcPVxPRqMqFsKRhSc1oZo7mIKal0FH7fJ9XLK8lIajBX9YwuWJd0TBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ef3aa5bff31a17e396a3afd9c2210d5c4a94aa7660a92e0bc3bfc93ad0eb4e7","last_reissued_at":"2026-07-05T09:37:14.912332Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:37:14.912332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.11988","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":"2026-07-05T09:37:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k+yHQGmCvOS6dvZj8Jwk+TGshV1nLn56uGCyfQ8R9oTz0Ll/mjGzzYSH6rY3BKMoKJ0JUOgEwIfJPsbVYxUbBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T21:58:49.122997Z"},"content_sha256":"91de9a70b8aac051146301469c07e4fcde1d65ba32f8a03461960fbef38aaaab","schema_version":"1.0","event_id":"sha256:91de9a70b8aac051146301469c07e4fcde1d65ba32f8a03461960fbef38aaaab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:J3Z2UW77GGQX4OLKHL6ZYIQQ2X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MixPI: Mixed-Time Slicing Path Integral Software for Quantized Molecular Dynamics Simulations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Britta A. Johnson, Christopher J. Mundy, Nandini Ananth, Siyu Bu","submitted_at":"2024-11-18T19:21:18Z","abstract_excerpt":"Path Integral Molecular Dynamics (PIMD) is a well established simulation technique to compute exact equilibrium properties for a quantum system using classical trajectories in an extended phase space. Standard PIMD simulations are numerically converged by systematically increasing the number of classical 'beads' or replicas used to represent each particle in the quantum system. Currently available scientific software for PIMD simulations leverage the massively parallel (with respect to number of beads) nature of the classical PIMD Hamiltonian. For particularly high-dimensional systems, contrac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.11988","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/2411.11988/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":"2026-07-05T09:37:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aYZ1QEWv8lfiKpMfon8TlBX+dU18ckSK+SeGltkuxu9TLXiDidKtVnOPwrGR9nudDnw5lIwdNisbI/zlSPI6Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T21:58:49.123571Z"},"content_sha256":"6d7fbda5cf8d6cd56d88c195be182631805c69d659cf057cf7ff120271456cd9","schema_version":"1.0","event_id":"sha256:6d7fbda5cf8d6cd56d88c195be182631805c69d659cf057cf7ff120271456cd9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J3Z2UW77GGQX4OLKHL6ZYIQQ2X/bundle.json","state_url":"https://pith.science/pith/J3Z2UW77GGQX4OLKHL6ZYIQQ2X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J3Z2UW77GGQX4OLKHL6ZYIQQ2X/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":"2026-08-21T21:58:49Z","links":{"resolver":"https://pith.science/pith/J3Z2UW77GGQX4OLKHL6ZYIQQ2X","bundle":"https://pith.science/pith/J3Z2UW77GGQX4OLKHL6ZYIQQ2X/bundle.json","state":"https://pith.science/pith/J3Z2UW77GGQX4OLKHL6ZYIQQ2X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J3Z2UW77GGQX4OLKHL6ZYIQQ2X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:J3Z2UW77GGQX4OLKHL6ZYIQQ2X","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":"02b609764a88984029332b693bcce39b366adbb1c9e0add93e381964408eb6b0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-11-18T19:21:18Z","title_canon_sha256":"e2ca3b5845f6d138cd5d579ff3adcc862b4773348199ab65f22c12b8f0480175"},"schema_version":"1.0","source":{"id":"2411.11988","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.11988","created_at":"2026-07-05T09:37:14Z"},{"alias_kind":"arxiv_version","alias_value":"2411.11988v1","created_at":"2026-07-05T09:37:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.11988","created_at":"2026-07-05T09:37:14Z"},{"alias_kind":"pith_short_12","alias_value":"J3Z2UW77GGQX","created_at":"2026-07-05T09:37:14Z"},{"alias_kind":"pith_short_16","alias_value":"J3Z2UW77GGQX4OLK","created_at":"2026-07-05T09:37:14Z"},{"alias_kind":"pith_short_8","alias_value":"J3Z2UW77","created_at":"2026-07-05T09:37:14Z"}],"graph_snapshots":[{"event_id":"sha256:6d7fbda5cf8d6cd56d88c195be182631805c69d659cf057cf7ff120271456cd9","target":"graph","created_at":"2026-07-05T09:37:14Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2411.11988/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Path Integral Molecular Dynamics (PIMD) is a well established simulation technique to compute exact equilibrium properties for a quantum system using classical trajectories in an extended phase space. Standard PIMD simulations are numerically converged by systematically increasing the number of classical 'beads' or replicas used to represent each particle in the quantum system. Currently available scientific software for PIMD simulations leverage the massively parallel (with respect to number of beads) nature of the classical PIMD Hamiltonian. For particularly high-dimensional systems, contrac","authors_text":"Britta A. Johnson, Christopher J. Mundy, Nandini Ananth, Siyu Bu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-11-18T19:21:18Z","title":"MixPI: Mixed-Time Slicing Path Integral Software for Quantized Molecular Dynamics Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.11988","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":"sha256:91de9a70b8aac051146301469c07e4fcde1d65ba32f8a03461960fbef38aaaab","target":"record","created_at":"2026-07-05T09:37:14Z","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":"02b609764a88984029332b693bcce39b366adbb1c9e0add93e381964408eb6b0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2024-11-18T19:21:18Z","title_canon_sha256":"e2ca3b5845f6d138cd5d579ff3adcc862b4773348199ab65f22c12b8f0480175"},"schema_version":"1.0","source":{"id":"2411.11988","kind":"arxiv","version":1}},"canonical_sha256":"4ef3aa5bff31a17e396a3afd9c2210d5c4a94aa7660a92e0bc3bfc93ad0eb4e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ef3aa5bff31a17e396a3afd9c2210d5c4a94aa7660a92e0bc3bfc93ad0eb4e7","first_computed_at":"2026-07-05T09:37:14.912332Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:37:14.912332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j474cRCKkfcb2FeeURR3VAF3C0jnCZTvcPVxPRqMqFsKRhSc1oZo7mIKal0FH7fJ9XLK8lIajBX9YwuWJd0TBg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:37:14.912765Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.11988","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91de9a70b8aac051146301469c07e4fcde1d65ba32f8a03461960fbef38aaaab","sha256:6d7fbda5cf8d6cd56d88c195be182631805c69d659cf057cf7ff120271456cd9"],"state_sha256":"f04ccb8bb21f176019c6c26df4c81d7aabe29c4285b1a4d925946322c1db97f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RTobnt4DNebf8cEu7pKa+88QHjAl+k54RVwNuWYkvu/3/xatqZUsaDtw2QhNMj91nsXgYp3023HkDp9x+4tYCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T21:58:49.128357Z","bundle_sha256":"7918a538655665fde58fb62b3925f33785294834008ad1d8b0eb1ac2d7f20980"}}