{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:56SJUFRCZYSRYD63TM4FPEBYB4","short_pith_number":"pith:56SJUFRC","canonical_record":{"source":{"id":"1406.4551","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2014-06-17T22:36:26Z","cross_cats_sorted":[],"title_canon_sha256":"314f25ca5e330d42cb97cf87de6c4b3e0ad2591f326bf475b2c8889839872987","abstract_canon_sha256":"f097c5c635801dd7e6e6eb96f87b480b5f968dc9021616239f1c1621b2273abc"},"schema_version":"1.0"},"canonical_sha256":"efa49a1622ce251c0fdb9b385790380f1b64d8808a3b9eaae4f17b524d013c2e","source":{"kind":"arxiv","id":"1406.4551","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4551","created_at":"2026-05-18T02:40:10Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4551v1","created_at":"2026-05-18T02:40:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4551","created_at":"2026-05-18T02:40:10Z"},{"alias_kind":"pith_short_12","alias_value":"56SJUFRCZYSR","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"56SJUFRCZYSRYD63","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"56SJUFRC","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:56SJUFRCZYSRYD63TM4FPEBYB4","target":"record","payload":{"canonical_record":{"source":{"id":"1406.4551","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2014-06-17T22:36:26Z","cross_cats_sorted":[],"title_canon_sha256":"314f25ca5e330d42cb97cf87de6c4b3e0ad2591f326bf475b2c8889839872987","abstract_canon_sha256":"f097c5c635801dd7e6e6eb96f87b480b5f968dc9021616239f1c1621b2273abc"},"schema_version":"1.0"},"canonical_sha256":"efa49a1622ce251c0fdb9b385790380f1b64d8808a3b9eaae4f17b524d013c2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:40:10.327293Z","signature_b64":"4U+al/h/3Kh+vWRqm9KgH76DqVo1rKSHziXMAr13GbNrVit/HU+kGljdIE6EDgcMeodGBL6rezdfaN7crTNiAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"efa49a1622ce251c0fdb9b385790380f1b64d8808a3b9eaae4f17b524d013c2e","last_reissued_at":"2026-05-18T02:40:10.326664Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:40:10.326664Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.4551","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":"2026-05-18T02:40:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/DGIoT/bZp17D2QNETt1pNXZ3mpltr8N8HQrRD9h9UhaFfVclm8kBgmksIpBkkgiZQpNWw5V+d4NG5e0i/z6Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:32:56.456301Z"},"content_sha256":"7ed2c8e1bfb2bc91ae19f2701010261f72f6ffa50c22a64fa67c155b8b8757aa","schema_version":"1.0","event_id":"sha256:7ed2c8e1bfb2bc91ae19f2701010261f72f6ffa50c22a64fa67c155b8b8757aa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:56SJUFRCZYSRYD63TM4FPEBYB4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diffusion of topological charge in lattice QCD simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Greg McGlynn, Robert D. Mawhinney","submitted_at":"2014-06-17T22:36:26Z","abstract_excerpt":"We study the autocorrelations of observables constructed from the topological charge density, such as the topological charge on a time slice or in a subvolume, using a series of hybrid Monte Carlo simulations of pure SU(3) gauge theory with both periodic and open boundary conditions. We show that the autocorrelation functions of these observables obey a simple diffusion equation and we measure the diffusion coefficient, finding that it scales like the square of the lattice spacing. We use this result and measurements of the rate of tunneling between topological charge sectors to calculate the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4551","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":"2026-05-18T02:40:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p+8IEa9OSuV9e+x8mgnE48SKyPrYJTZYUdbw+26p/yOnLKyW2easFlG1X36ar+NbK/bZg4C6MJpYxNMEXRdCAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:32:56.456664Z"},"content_sha256":"bc6fc21f2b1747e7269801f63e03f7bcf3a44c7523c9b9df0e45c2d8463d033d","schema_version":"1.0","event_id":"sha256:bc6fc21f2b1747e7269801f63e03f7bcf3a44c7523c9b9df0e45c2d8463d033d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/56SJUFRCZYSRYD63TM4FPEBYB4/bundle.json","state_url":"https://pith.science/pith/56SJUFRCZYSRYD63TM4FPEBYB4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/56SJUFRCZYSRYD63TM4FPEBYB4/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":"2026-06-08T23:32:56Z","links":{"resolver":"https://pith.science/pith/56SJUFRCZYSRYD63TM4FPEBYB4","bundle":"https://pith.science/pith/56SJUFRCZYSRYD63TM4FPEBYB4/bundle.json","state":"https://pith.science/pith/56SJUFRCZYSRYD63TM4FPEBYB4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/56SJUFRCZYSRYD63TM4FPEBYB4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:56SJUFRCZYSRYD63TM4FPEBYB4","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":"f097c5c635801dd7e6e6eb96f87b480b5f968dc9021616239f1c1621b2273abc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2014-06-17T22:36:26Z","title_canon_sha256":"314f25ca5e330d42cb97cf87de6c4b3e0ad2591f326bf475b2c8889839872987"},"schema_version":"1.0","source":{"id":"1406.4551","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4551","created_at":"2026-05-18T02:40:10Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4551v1","created_at":"2026-05-18T02:40:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4551","created_at":"2026-05-18T02:40:10Z"},{"alias_kind":"pith_short_12","alias_value":"56SJUFRCZYSR","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"56SJUFRCZYSRYD63","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"56SJUFRC","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:bc6fc21f2b1747e7269801f63e03f7bcf3a44c7523c9b9df0e45c2d8463d033d","target":"graph","created_at":"2026-05-18T02:40:10Z","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 study the autocorrelations of observables constructed from the topological charge density, such as the topological charge on a time slice or in a subvolume, using a series of hybrid Monte Carlo simulations of pure SU(3) gauge theory with both periodic and open boundary conditions. We show that the autocorrelation functions of these observables obey a simple diffusion equation and we measure the diffusion coefficient, finding that it scales like the square of the lattice spacing. We use this result and measurements of the rate of tunneling between topological charge sectors to calculate the ","authors_text":"Greg McGlynn, Robert D. Mawhinney","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2014-06-17T22:36:26Z","title":"Diffusion of topological charge in lattice QCD simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4551","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":"sha256:7ed2c8e1bfb2bc91ae19f2701010261f72f6ffa50c22a64fa67c155b8b8757aa","target":"record","created_at":"2026-05-18T02:40:10Z","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":"f097c5c635801dd7e6e6eb96f87b480b5f968dc9021616239f1c1621b2273abc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2014-06-17T22:36:26Z","title_canon_sha256":"314f25ca5e330d42cb97cf87de6c4b3e0ad2591f326bf475b2c8889839872987"},"schema_version":"1.0","source":{"id":"1406.4551","kind":"arxiv","version":1}},"canonical_sha256":"efa49a1622ce251c0fdb9b385790380f1b64d8808a3b9eaae4f17b524d013c2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"efa49a1622ce251c0fdb9b385790380f1b64d8808a3b9eaae4f17b524d013c2e","first_computed_at":"2026-05-18T02:40:10.326664Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:40:10.326664Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4U+al/h/3Kh+vWRqm9KgH76DqVo1rKSHziXMAr13GbNrVit/HU+kGljdIE6EDgcMeodGBL6rezdfaN7crTNiAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:40:10.327293Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.4551","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ed2c8e1bfb2bc91ae19f2701010261f72f6ffa50c22a64fa67c155b8b8757aa","sha256:bc6fc21f2b1747e7269801f63e03f7bcf3a44c7523c9b9df0e45c2d8463d033d"],"state_sha256":"ebcd28b3fd935c75bf17c46f7f26d6cc5ab16ac9c3b79fed1dd2b06daebd2722"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vveyR1CkcahJOFEjG1QO010jyDLp/pV/5oC8HSUDS2rLXQdqVetcTG7iiULrw/XwWr65D60ziMd9qIuVtwJlDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T23:32:56.458670Z","bundle_sha256":"7216cf263ae98a6bd0975d6b400b9c8aab5878072ee9976b1e71b0f0f6c71313"}}