{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:DT27SJ2VD6B4QUOTVM3NDNWEKF","short_pith_number":"pith:DT27SJ2V","canonical_record":{"source":{"id":"2307.02278","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2023-07-05T13:24:51Z","cross_cats_sorted":[],"title_canon_sha256":"416686cf4b377fc26cadf8547a3f45e126cc5c9da10711d22a8ea8c5527c52f3","abstract_canon_sha256":"6dbd8fd5f938fae84149ca2df5fc93b7c6ba30a4795305097d092fc5114858b6"},"schema_version":"1.0"},"canonical_sha256":"1cf5f927551f83c851d3ab36d1b6c45163da18001e10ec4342368a059922e02c","source":{"kind":"arxiv","id":"2307.02278","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.02278","created_at":"2026-07-05T07:02:51Z"},{"alias_kind":"arxiv_version","alias_value":"2307.02278v2","created_at":"2026-07-05T07:02:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.02278","created_at":"2026-07-05T07:02:51Z"},{"alias_kind":"pith_short_12","alias_value":"DT27SJ2VD6B4","created_at":"2026-07-05T07:02:51Z"},{"alias_kind":"pith_short_16","alias_value":"DT27SJ2VD6B4QUOT","created_at":"2026-07-05T07:02:51Z"},{"alias_kind":"pith_short_8","alias_value":"DT27SJ2V","created_at":"2026-07-05T07:02:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:DT27SJ2VD6B4QUOTVM3NDNWEKF","target":"record","payload":{"canonical_record":{"source":{"id":"2307.02278","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2023-07-05T13:24:51Z","cross_cats_sorted":[],"title_canon_sha256":"416686cf4b377fc26cadf8547a3f45e126cc5c9da10711d22a8ea8c5527c52f3","abstract_canon_sha256":"6dbd8fd5f938fae84149ca2df5fc93b7c6ba30a4795305097d092fc5114858b6"},"schema_version":"1.0"},"canonical_sha256":"1cf5f927551f83c851d3ab36d1b6c45163da18001e10ec4342368a059922e02c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:02:51.843123Z","signature_b64":"jN/JW3N6drhN3O9T3uLw9bLAe/zxW3b/JS8F6AYqeYnJrIq3ow1pMCFGIeQ3L1oxBidJ9ejXSQZDk1iNcoCIDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1cf5f927551f83c851d3ab36d1b6c45163da18001e10ec4342368a059922e02c","last_reissued_at":"2026-07-05T07:02:51.842676Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:02:51.842676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.02278","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":"2026-07-05T07:02:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oH0zrwrojAmfTGlJrrdI6fUXslxSWKzndNqyYyUUroPlyV6QNG24LXfkpxul4YuadWQlIRDSPk30Ow66vVQHAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:23:39.815557Z"},"content_sha256":"215e618f506c056e2b299023467f3ddb8e5025a33ba73f85d640ee3823970e5c","schema_version":"1.0","event_id":"sha256:215e618f506c056e2b299023467f3ddb8e5025a33ba73f85d640ee3823970e5c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:DT27SJ2VD6B4QUOTVM3NDNWEKF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Smooth Particle Mesh Ewald-integrated stochastic Lanczos Many-body Dispersion algorithm","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Jean-Philip Piquemal, Louis Lagard\\`ere, Pier P. Poier","submitted_at":"2023-07-05T13:24:51Z","abstract_excerpt":"We derive and implement an alternative formulation of the Stochastic Lanczos algorithm to be employed in connection with the Many-Body Dispersion model (MBD). Indeed, this formulation, which is only possible due to the Stochastic Lanczos' reliance on matrix-vector products, introduces generalized dipoles and fields. These key quantities allow for a state-of-the-art treatment of periodic boundary conditions via the O(Nlog(N)) Smooth Particle Mesh Ewald (SPME) approach which uses efficient fast Fourier transforms. This SPME-Lanczos algorithm drastically outperforms the standard replica method wh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.02278","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/2307.02278/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":"2026-07-05T07:02:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fYogcioY8lpJxNm2oj4qbhD0q3a2NxhirryMs+d8NhidJNoOXPAtJOfJCpHHhhV3OExGRy6t5dADCwvxBtdZDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:23:39.815944Z"},"content_sha256":"ab67f85565cb3a04e9dac4ee158b8f3dadbf02601ab116cfdfac99460a358e4b","schema_version":"1.0","event_id":"sha256:ab67f85565cb3a04e9dac4ee158b8f3dadbf02601ab116cfdfac99460a358e4b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DT27SJ2VD6B4QUOTVM3NDNWEKF/bundle.json","state_url":"https://pith.science/pith/DT27SJ2VD6B4QUOTVM3NDNWEKF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DT27SJ2VD6B4QUOTVM3NDNWEKF/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":"2026-07-07T09:23:39Z","links":{"resolver":"https://pith.science/pith/DT27SJ2VD6B4QUOTVM3NDNWEKF","bundle":"https://pith.science/pith/DT27SJ2VD6B4QUOTVM3NDNWEKF/bundle.json","state":"https://pith.science/pith/DT27SJ2VD6B4QUOTVM3NDNWEKF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DT27SJ2VD6B4QUOTVM3NDNWEKF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:DT27SJ2VD6B4QUOTVM3NDNWEKF","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":"6dbd8fd5f938fae84149ca2df5fc93b7c6ba30a4795305097d092fc5114858b6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2023-07-05T13:24:51Z","title_canon_sha256":"416686cf4b377fc26cadf8547a3f45e126cc5c9da10711d22a8ea8c5527c52f3"},"schema_version":"1.0","source":{"id":"2307.02278","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.02278","created_at":"2026-07-05T07:02:51Z"},{"alias_kind":"arxiv_version","alias_value":"2307.02278v2","created_at":"2026-07-05T07:02:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.02278","created_at":"2026-07-05T07:02:51Z"},{"alias_kind":"pith_short_12","alias_value":"DT27SJ2VD6B4","created_at":"2026-07-05T07:02:51Z"},{"alias_kind":"pith_short_16","alias_value":"DT27SJ2VD6B4QUOT","created_at":"2026-07-05T07:02:51Z"},{"alias_kind":"pith_short_8","alias_value":"DT27SJ2V","created_at":"2026-07-05T07:02:51Z"}],"graph_snapshots":[{"event_id":"sha256:ab67f85565cb3a04e9dac4ee158b8f3dadbf02601ab116cfdfac99460a358e4b","target":"graph","created_at":"2026-07-05T07:02:51Z","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/2307.02278/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We derive and implement an alternative formulation of the Stochastic Lanczos algorithm to be employed in connection with the Many-Body Dispersion model (MBD). Indeed, this formulation, which is only possible due to the Stochastic Lanczos' reliance on matrix-vector products, introduces generalized dipoles and fields. These key quantities allow for a state-of-the-art treatment of periodic boundary conditions via the O(Nlog(N)) Smooth Particle Mesh Ewald (SPME) approach which uses efficient fast Fourier transforms. This SPME-Lanczos algorithm drastically outperforms the standard replica method wh","authors_text":"Jean-Philip Piquemal, Louis Lagard\\`ere, Pier P. Poier","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2023-07-05T13:24:51Z","title":"Smooth Particle Mesh Ewald-integrated stochastic Lanczos Many-body Dispersion algorithm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.02278","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":"sha256:215e618f506c056e2b299023467f3ddb8e5025a33ba73f85d640ee3823970e5c","target":"record","created_at":"2026-07-05T07:02:51Z","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":"6dbd8fd5f938fae84149ca2df5fc93b7c6ba30a4795305097d092fc5114858b6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2023-07-05T13:24:51Z","title_canon_sha256":"416686cf4b377fc26cadf8547a3f45e126cc5c9da10711d22a8ea8c5527c52f3"},"schema_version":"1.0","source":{"id":"2307.02278","kind":"arxiv","version":2}},"canonical_sha256":"1cf5f927551f83c851d3ab36d1b6c45163da18001e10ec4342368a059922e02c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1cf5f927551f83c851d3ab36d1b6c45163da18001e10ec4342368a059922e02c","first_computed_at":"2026-07-05T07:02:51.842676Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:02:51.842676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jN/JW3N6drhN3O9T3uLw9bLAe/zxW3b/JS8F6AYqeYnJrIq3ow1pMCFGIeQ3L1oxBidJ9ejXSQZDk1iNcoCIDg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:02:51.843123Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.02278","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:215e618f506c056e2b299023467f3ddb8e5025a33ba73f85d640ee3823970e5c","sha256:ab67f85565cb3a04e9dac4ee158b8f3dadbf02601ab116cfdfac99460a358e4b"],"state_sha256":"a595327dc2b78b386c107ece161303e35133d8add8ee23cb51ff87a0f00265a5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"81RKcgEYS4x5aSMC5/uB+ctKLbAq80JSNTuaxXfUkD9CtCp0hFst1m8XjWIemS4ksot2dHLm55aZwSocle9TCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:23:39.818144Z","bundle_sha256":"84184722c97501c2fdd943e433f698d7c72e0905e2f8b43276a3691c18c40d22"}}