{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:DAXWHD33P64HOEWLWY3SE45VGM","short_pith_number":"pith:DAXWHD33","canonical_record":{"source":{"id":"hep-lat/9809160","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"1998-09-21T19:56:06Z","cross_cats_sorted":["cond-mat.stat-mech","physics.comp-ph"],"title_canon_sha256":"252a7deed804744bd93d757ff9315850c418b9e7aff0d16a22f20d8ae8ae5f85","abstract_canon_sha256":"505f564f2e6532c0d8dcc2372bba35b06ea1edc814c6b305b5555bb51f4360f5"},"schema_version":"1.0"},"canonical_sha256":"182f638f7b7fb87712cbb6372273b5330e5103163ba34413ed4f860a1684d181","source":{"kind":"arxiv","id":"hep-lat/9809160","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/9809160","created_at":"2026-05-18T01:08:05Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/9809160v1","created_at":"2026-05-18T01:08:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/9809160","created_at":"2026-05-18T01:08:05Z"},{"alias_kind":"pith_short_12","alias_value":"DAXWHD33P64H","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"DAXWHD33P64HOEWL","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"DAXWHD33","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:DAXWHD33P64HOEWLWY3SE45VGM","target":"record","payload":{"canonical_record":{"source":{"id":"hep-lat/9809160","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"1998-09-21T19:56:06Z","cross_cats_sorted":["cond-mat.stat-mech","physics.comp-ph"],"title_canon_sha256":"252a7deed804744bd93d757ff9315850c418b9e7aff0d16a22f20d8ae8ae5f85","abstract_canon_sha256":"505f564f2e6532c0d8dcc2372bba35b06ea1edc814c6b305b5555bb51f4360f5"},"schema_version":"1.0"},"canonical_sha256":"182f638f7b7fb87712cbb6372273b5330e5103163ba34413ed4f860a1684d181","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:05.985156Z","signature_b64":"PkNVcUWeYTOacOlF9XVviJRBrw1aIWtorNL9VDm1Tp5gVvyvm8aw7f1zOp4oWD4Z9RWFf7wSECTzVQ7D+zMDDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"182f638f7b7fb87712cbb6372273b5330e5103163ba34413ed4f860a1684d181","last_reissued_at":"2026-05-18T01:08:05.984646Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:05.984646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-lat/9809160","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":"2026-05-18T01:08:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NxL9jr168Ol0S4Cn48O8UYcyjKpk6ss05x0YVyvYaKjWJAJVXWQX48kC5JPzFHlSbvD2lCeov9JXKMZh7P8sCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T15:49:45.807798Z"},"content_sha256":"763d8634ee8a09ae683c606e88339f62f44f478ec0f5ea8d8bf81b392da2232f","schema_version":"1.0","event_id":"sha256:763d8634ee8a09ae683c606e88339f62f44f478ec0f5ea8d8bf81b392da2232f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:DAXWHD33P64HOEWLWY3SE45VGM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multicanonical Hybrid Monte Carlo: Boosting Simulations of Compact QED","license":"","headline":"","cross_cats":["cond-mat.stat-mech","physics.comp-ph"],"primary_cat":"hep-lat","authors_text":"G. Arnold, K. Schilling, Th. Lippert","submitted_at":"1998-09-21T19:56:06Z","abstract_excerpt":"We demonstrate that substantial progress can be achieved in the study of the phase structure of 4-dimensional compact QED by a joint use of hybrid Monte Carlo and multicanonical algorithms, through an efficient parallel implementation. This is borne out by the observation of considerable speedup of tunnelling between the metastable states, close to the phase transition, on the Wilson line. We estimate that the creation of adequate samples (with order 100 flip-flops) becomes a matter of half a year's runtime at 2 Gflops sustained performance for lattices of size up to 24^4."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/9809160","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":"2026-05-18T01:08:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pI9nMOyCMxVl3FYEzEhOQbbnGvicsMtxL4h5sdtqxI6HRcgweRDdKzsj3ytqWymc1GhqcliNZ5zUIMaAe36CDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T15:49:45.808146Z"},"content_sha256":"1b2db42cfe2da7bb0d52802db17ff69da100a7086681f7c95f95c085c050d088","schema_version":"1.0","event_id":"sha256:1b2db42cfe2da7bb0d52802db17ff69da100a7086681f7c95f95c085c050d088"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DAXWHD33P64HOEWLWY3SE45VGM/bundle.json","state_url":"https://pith.science/pith/DAXWHD33P64HOEWLWY3SE45VGM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DAXWHD33P64HOEWLWY3SE45VGM/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":"2026-06-03T15:49:45Z","links":{"resolver":"https://pith.science/pith/DAXWHD33P64HOEWLWY3SE45VGM","bundle":"https://pith.science/pith/DAXWHD33P64HOEWLWY3SE45VGM/bundle.json","state":"https://pith.science/pith/DAXWHD33P64HOEWLWY3SE45VGM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DAXWHD33P64HOEWLWY3SE45VGM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:DAXWHD33P64HOEWLWY3SE45VGM","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":"505f564f2e6532c0d8dcc2372bba35b06ea1edc814c6b305b5555bb51f4360f5","cross_cats_sorted":["cond-mat.stat-mech","physics.comp-ph"],"license":"","primary_cat":"hep-lat","submitted_at":"1998-09-21T19:56:06Z","title_canon_sha256":"252a7deed804744bd93d757ff9315850c418b9e7aff0d16a22f20d8ae8ae5f85"},"schema_version":"1.0","source":{"id":"hep-lat/9809160","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/9809160","created_at":"2026-05-18T01:08:05Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/9809160v1","created_at":"2026-05-18T01:08:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/9809160","created_at":"2026-05-18T01:08:05Z"},{"alias_kind":"pith_short_12","alias_value":"DAXWHD33P64H","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"DAXWHD33P64HOEWL","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"DAXWHD33","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:1b2db42cfe2da7bb0d52802db17ff69da100a7086681f7c95f95c085c050d088","target":"graph","created_at":"2026-05-18T01:08:05Z","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":"We demonstrate that substantial progress can be achieved in the study of the phase structure of 4-dimensional compact QED by a joint use of hybrid Monte Carlo and multicanonical algorithms, through an efficient parallel implementation. This is borne out by the observation of considerable speedup of tunnelling between the metastable states, close to the phase transition, on the Wilson line. We estimate that the creation of adequate samples (with order 100 flip-flops) becomes a matter of half a year's runtime at 2 Gflops sustained performance for lattices of size up to 24^4.","authors_text":"G. Arnold, K. Schilling, Th. Lippert","cross_cats":["cond-mat.stat-mech","physics.comp-ph"],"headline":"","license":"","primary_cat":"hep-lat","submitted_at":"1998-09-21T19:56:06Z","title":"Multicanonical Hybrid Monte Carlo: Boosting Simulations of Compact QED"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/9809160","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":"sha256:763d8634ee8a09ae683c606e88339f62f44f478ec0f5ea8d8bf81b392da2232f","target":"record","created_at":"2026-05-18T01:08:05Z","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":"505f564f2e6532c0d8dcc2372bba35b06ea1edc814c6b305b5555bb51f4360f5","cross_cats_sorted":["cond-mat.stat-mech","physics.comp-ph"],"license":"","primary_cat":"hep-lat","submitted_at":"1998-09-21T19:56:06Z","title_canon_sha256":"252a7deed804744bd93d757ff9315850c418b9e7aff0d16a22f20d8ae8ae5f85"},"schema_version":"1.0","source":{"id":"hep-lat/9809160","kind":"arxiv","version":1}},"canonical_sha256":"182f638f7b7fb87712cbb6372273b5330e5103163ba34413ed4f860a1684d181","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"182f638f7b7fb87712cbb6372273b5330e5103163ba34413ed4f860a1684d181","first_computed_at":"2026-05-18T01:08:05.984646Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:05.984646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PkNVcUWeYTOacOlF9XVviJRBrw1aIWtorNL9VDm1Tp5gVvyvm8aw7f1zOp4oWD4Z9RWFf7wSECTzVQ7D+zMDDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:05.985156Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-lat/9809160","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:763d8634ee8a09ae683c606e88339f62f44f478ec0f5ea8d8bf81b392da2232f","sha256:1b2db42cfe2da7bb0d52802db17ff69da100a7086681f7c95f95c085c050d088"],"state_sha256":"6d2592df2466ccba1b7de81cd204c946b4371e2cadb07125ddd9b297c6f4af75"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ug7UIjqv86rjKGAZgeg7enP5YRE4+8rFCMU+EzgOLJWY0sWIa/5bOK0OnF+w1RBF59xucIZrcmGo2qK/aIVtAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T15:49:45.812764Z","bundle_sha256":"ae5cd9e9bd89ff3a0e2ec70d254f0680d80c93aa6325493918c95e722b7e6f71"}}