{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:UGVEVXEL5FVLFH423IICXE7GMS","short_pith_number":"pith:UGVEVXEL","canonical_record":{"source":{"id":"1312.3004","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-12-11T00:20:15Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"8230930f118b985c4f5ab9cf840044c0d9664dcfec19182e58958f06f94c08c3","abstract_canon_sha256":"9d91390749fa69374e3b097f0e4d6c03758900a1a2f2cb55c3bfb56fbb8cf8e0"},"schema_version":"1.0"},"canonical_sha256":"a1aa4adc8be96ab29f9ada102b93e664ae8450cd718f69aa84faa320a8ebc80f","source":{"kind":"arxiv","id":"1312.3004","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.3004","created_at":"2026-05-18T02:56:34Z"},{"alias_kind":"arxiv_version","alias_value":"1312.3004v1","created_at":"2026-05-18T02:56:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.3004","created_at":"2026-05-18T02:56:34Z"},{"alias_kind":"pith_short_12","alias_value":"UGVEVXEL5FVL","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UGVEVXEL5FVLFH42","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UGVEVXEL","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:UGVEVXEL5FVLFH423IICXE7GMS","target":"record","payload":{"canonical_record":{"source":{"id":"1312.3004","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-12-11T00:20:15Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"8230930f118b985c4f5ab9cf840044c0d9664dcfec19182e58958f06f94c08c3","abstract_canon_sha256":"9d91390749fa69374e3b097f0e4d6c03758900a1a2f2cb55c3bfb56fbb8cf8e0"},"schema_version":"1.0"},"canonical_sha256":"a1aa4adc8be96ab29f9ada102b93e664ae8450cd718f69aa84faa320a8ebc80f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:56:34.720598Z","signature_b64":"vMTQAaIscIVkHlCiofcN2TLC3nWU+JEwCnz+V7K4as+CJoku3dE4hfOiD5SpCc2HKN898LtvO4Sw49vsLXFbBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1aa4adc8be96ab29f9ada102b93e664ae8450cd718f69aa84faa320a8ebc80f","last_reissued_at":"2026-05-18T02:56:34.719900Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:56:34.719900Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.3004","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":"2026-05-18T02:56:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PI1aOle0Bbl9PolFcNQ7Q+hSM2l0/TZ3V36DJeeQVyfn/wiuQKS9U2ogtZ6pBiw2s1v3pFFon5bMsK2+DLUJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T19:21:22.637973Z"},"content_sha256":"5b5d6df74e5c98992a938bd9469e37694950cde156746e6033e9790106ff8a36","schema_version":"1.0","event_id":"sha256:5b5d6df74e5c98992a938bd9469e37694950cde156746e6033e9790106ff8a36"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:UGVEVXEL5FVLFH423IICXE7GMS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring new frontiers in statistical physics with a new, parallel Wang-Landau framework","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"physics.comp-ph","authors_text":"David P. Landau, Thomas Vogel, Thomas W\\\"ust, Ying Wai Li","submitted_at":"2013-12-11T00:20:15Z","abstract_excerpt":"Combining traditional Wang-Landau sampling for multiple replica systems with an exchange of densities of states between replicas, we describe a general framework for simulations on massively parallel Petaflop supercomputers. The advantages and general applicability of the method for simulations of complex systems are demonstrated for the classical 2D Potts spin model featuring a strong first-order transition and the self-assembly of lipid bilayers in amphiphilic solutions in a continuous model."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.3004","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":""},"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":"2026-05-18T02:56:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wOPxsAFGG0UvcHMFifujPyPEL+ZShBPGvy7z2IksV9Z1Y3aOt5V+4WSgMhHvdULFrXrPs4bAedmzKyx+6DmKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T19:21:22.638326Z"},"content_sha256":"ec79e16ad359acd5d889ca71910fb56dde8e4a8d8ace6792517f79968f08112d","schema_version":"1.0","event_id":"sha256:ec79e16ad359acd5d889ca71910fb56dde8e4a8d8ace6792517f79968f08112d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UGVEVXEL5FVLFH423IICXE7GMS/bundle.json","state_url":"https://pith.science/pith/UGVEVXEL5FVLFH423IICXE7GMS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UGVEVXEL5FVLFH423IICXE7GMS/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":"2026-06-21T19:21:22Z","links":{"resolver":"https://pith.science/pith/UGVEVXEL5FVLFH423IICXE7GMS","bundle":"https://pith.science/pith/UGVEVXEL5FVLFH423IICXE7GMS/bundle.json","state":"https://pith.science/pith/UGVEVXEL5FVLFH423IICXE7GMS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UGVEVXEL5FVLFH423IICXE7GMS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:UGVEVXEL5FVLFH423IICXE7GMS","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":"9d91390749fa69374e3b097f0e4d6c03758900a1a2f2cb55c3bfb56fbb8cf8e0","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-12-11T00:20:15Z","title_canon_sha256":"8230930f118b985c4f5ab9cf840044c0d9664dcfec19182e58958f06f94c08c3"},"schema_version":"1.0","source":{"id":"1312.3004","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.3004","created_at":"2026-05-18T02:56:34Z"},{"alias_kind":"arxiv_version","alias_value":"1312.3004v1","created_at":"2026-05-18T02:56:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.3004","created_at":"2026-05-18T02:56:34Z"},{"alias_kind":"pith_short_12","alias_value":"UGVEVXEL5FVL","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UGVEVXEL5FVLFH42","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UGVEVXEL","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:ec79e16ad359acd5d889ca71910fb56dde8e4a8d8ace6792517f79968f08112d","target":"graph","created_at":"2026-05-18T02:56:34Z","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"},"paper":{"abstract_excerpt":"Combining traditional Wang-Landau sampling for multiple replica systems with an exchange of densities of states between replicas, we describe a general framework for simulations on massively parallel Petaflop supercomputers. The advantages and general applicability of the method for simulations of complex systems are demonstrated for the classical 2D Potts spin model featuring a strong first-order transition and the self-assembly of lipid bilayers in amphiphilic solutions in a continuous model.","authors_text":"David P. Landau, Thomas Vogel, Thomas W\\\"ust, Ying Wai Li","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-12-11T00:20:15Z","title":"Exploring new frontiers in statistical physics with a new, parallel Wang-Landau framework"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.3004","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":"sha256:5b5d6df74e5c98992a938bd9469e37694950cde156746e6033e9790106ff8a36","target":"record","created_at":"2026-05-18T02:56:34Z","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":"9d91390749fa69374e3b097f0e4d6c03758900a1a2f2cb55c3bfb56fbb8cf8e0","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2013-12-11T00:20:15Z","title_canon_sha256":"8230930f118b985c4f5ab9cf840044c0d9664dcfec19182e58958f06f94c08c3"},"schema_version":"1.0","source":{"id":"1312.3004","kind":"arxiv","version":1}},"canonical_sha256":"a1aa4adc8be96ab29f9ada102b93e664ae8450cd718f69aa84faa320a8ebc80f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1aa4adc8be96ab29f9ada102b93e664ae8450cd718f69aa84faa320a8ebc80f","first_computed_at":"2026-05-18T02:56:34.719900Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:56:34.719900Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vMTQAaIscIVkHlCiofcN2TLC3nWU+JEwCnz+V7K4as+CJoku3dE4hfOiD5SpCc2HKN898LtvO4Sw49vsLXFbBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:56:34.720598Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.3004","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b5d6df74e5c98992a938bd9469e37694950cde156746e6033e9790106ff8a36","sha256:ec79e16ad359acd5d889ca71910fb56dde8e4a8d8ace6792517f79968f08112d"],"state_sha256":"63a564b083b3f0d2e1c3422f484eb874b987300e93ca4e222e51ad011e94a39f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xtzhYHLpoUIgi+I9Vt5z6J2EKiyQcWZep0Iw4BMAAYt9SMlPlq+cd3wRLN1XKy/KijHB2V2rOvO84wRUxg6MDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T19:21:22.640245Z","bundle_sha256":"bcd57c232452f9f33b4993ddbeb23c9a5938c4f66feb23aaea19f2b688ed8114"}}