{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:UDO5YM5ULDFSPYKL4QXEJQE7YJ","short_pith_number":"pith:UDO5YM5U","canonical_record":{"source":{"id":"1309.3859","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-09-16T08:50:56Z","cross_cats_sorted":["cond-mat.supr-con","hep-th"],"title_canon_sha256":"aeb50e35813a53ba2ab1a1190866071d206639abb1d89ad261f28337ddc938b4","abstract_canon_sha256":"6c52a7350ffde3fd57c1da39b09bdc47ad9a3eb101b4ddbbf48b11d9598bb6fd"},"schema_version":"1.0"},"canonical_sha256":"a0dddc33b458cb27e14be42e44c09fc24ce3117db4279b378d6be7fde94be0e6","source":{"kind":"arxiv","id":"1309.3859","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.3859","created_at":"2026-05-18T03:13:12Z"},{"alias_kind":"arxiv_version","alias_value":"1309.3859v1","created_at":"2026-05-18T03:13:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.3859","created_at":"2026-05-18T03:13:12Z"},{"alias_kind":"pith_short_12","alias_value":"UDO5YM5ULDFS","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UDO5YM5ULDFSPYKL","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UDO5YM5U","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:UDO5YM5ULDFSPYKL4QXEJQE7YJ","target":"record","payload":{"canonical_record":{"source":{"id":"1309.3859","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-09-16T08:50:56Z","cross_cats_sorted":["cond-mat.supr-con","hep-th"],"title_canon_sha256":"aeb50e35813a53ba2ab1a1190866071d206639abb1d89ad261f28337ddc938b4","abstract_canon_sha256":"6c52a7350ffde3fd57c1da39b09bdc47ad9a3eb101b4ddbbf48b11d9598bb6fd"},"schema_version":"1.0"},"canonical_sha256":"a0dddc33b458cb27e14be42e44c09fc24ce3117db4279b378d6be7fde94be0e6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:13:12.122598Z","signature_b64":"1nv5mgE5L4zvnWtYz6jgUI6VSbhKeyMlZS76qEfnvQt59wu1CXcw9MOkVIfzwUW75pE63puA9cG7XW+Z61afAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a0dddc33b458cb27e14be42e44c09fc24ce3117db4279b378d6be7fde94be0e6","last_reissued_at":"2026-05-18T03:13:12.121838Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:13:12.121838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.3859","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":"2026-05-18T03:13:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0E8piaHpDsigLqdohqz9Uf5RuP8oj2WiFNZEqLLeFtH4bhib+4E+sW0yzrSXoGh0iXd+pwXMXNJ9n0Y/H7JuDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T04:59:47.138738Z"},"content_sha256":"3e7ec8df30b7855fa2c1d935a4f2ae654910bf014702fa5e32266eafe49d8730","schema_version":"1.0","event_id":"sha256:3e7ec8df30b7855fa2c1d935a4f2ae654910bf014702fa5e32266eafe49d8730"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:UDO5YM5ULDFSPYKL4QXEJQE7YJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Flux tube widening in compact U (1) lattice gauge theory computed at T < Tc with the multilevel method and GPUs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con","hep-th"],"primary_cat":"hep-lat","authors_text":"A. Amado, N. Cardoso, P. Bicudo","submitted_at":"2013-09-16T08:50:56Z","abstract_excerpt":"We utilize Polyakov loop correlations to study d=3+1 compact U (1) flux tubes and the static electron-positron potential in lattice gauge theory. With the plaquette field operator, in U(1) lattice gauge theory, we probe directly the components of the electric and magnetic fields. In order to improve the signal-to-noise ratio in the confinement phase, we apply the L\\\"uscher-Weiss multilevel algorithm. Our code is written in CUDA, and we run it in NVIDIA FERMI generation GPUs, in order to achieve the necessary efficiency for our computations. We measure in detail the quantum widening of the flux"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.3859","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":"2026-05-18T03:13:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TfvWk+ApjLqJAX37MppR3vdhSTVDrTfUzlH8a8YFsaJaD8v/ycvRRJA48Rq07dIlrZAohP66ErkNPVAmdX6XDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T04:59:47.139385Z"},"content_sha256":"dfbd70d4ab8a0dcf200150d5baf16f56413724956786a67950fba8bdc1686644","schema_version":"1.0","event_id":"sha256:dfbd70d4ab8a0dcf200150d5baf16f56413724956786a67950fba8bdc1686644"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UDO5YM5ULDFSPYKL4QXEJQE7YJ/bundle.json","state_url":"https://pith.science/pith/UDO5YM5ULDFSPYKL4QXEJQE7YJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UDO5YM5ULDFSPYKL4QXEJQE7YJ/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":"2026-05-25T04:59:47Z","links":{"resolver":"https://pith.science/pith/UDO5YM5ULDFSPYKL4QXEJQE7YJ","bundle":"https://pith.science/pith/UDO5YM5ULDFSPYKL4QXEJQE7YJ/bundle.json","state":"https://pith.science/pith/UDO5YM5ULDFSPYKL4QXEJQE7YJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UDO5YM5ULDFSPYKL4QXEJQE7YJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:UDO5YM5ULDFSPYKL4QXEJQE7YJ","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":"6c52a7350ffde3fd57c1da39b09bdc47ad9a3eb101b4ddbbf48b11d9598bb6fd","cross_cats_sorted":["cond-mat.supr-con","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-09-16T08:50:56Z","title_canon_sha256":"aeb50e35813a53ba2ab1a1190866071d206639abb1d89ad261f28337ddc938b4"},"schema_version":"1.0","source":{"id":"1309.3859","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.3859","created_at":"2026-05-18T03:13:12Z"},{"alias_kind":"arxiv_version","alias_value":"1309.3859v1","created_at":"2026-05-18T03:13:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.3859","created_at":"2026-05-18T03:13:12Z"},{"alias_kind":"pith_short_12","alias_value":"UDO5YM5ULDFS","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UDO5YM5ULDFSPYKL","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UDO5YM5U","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:dfbd70d4ab8a0dcf200150d5baf16f56413724956786a67950fba8bdc1686644","target":"graph","created_at":"2026-05-18T03:13:12Z","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 utilize Polyakov loop correlations to study d=3+1 compact U (1) flux tubes and the static electron-positron potential in lattice gauge theory. With the plaquette field operator, in U(1) lattice gauge theory, we probe directly the components of the electric and magnetic fields. In order to improve the signal-to-noise ratio in the confinement phase, we apply the L\\\"uscher-Weiss multilevel algorithm. Our code is written in CUDA, and we run it in NVIDIA FERMI generation GPUs, in order to achieve the necessary efficiency for our computations. We measure in detail the quantum widening of the flux","authors_text":"A. Amado, N. Cardoso, P. Bicudo","cross_cats":["cond-mat.supr-con","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-09-16T08:50:56Z","title":"Flux tube widening in compact U (1) lattice gauge theory computed at T < Tc with the multilevel method and GPUs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.3859","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":"sha256:3e7ec8df30b7855fa2c1d935a4f2ae654910bf014702fa5e32266eafe49d8730","target":"record","created_at":"2026-05-18T03:13:12Z","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":"6c52a7350ffde3fd57c1da39b09bdc47ad9a3eb101b4ddbbf48b11d9598bb6fd","cross_cats_sorted":["cond-mat.supr-con","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-09-16T08:50:56Z","title_canon_sha256":"aeb50e35813a53ba2ab1a1190866071d206639abb1d89ad261f28337ddc938b4"},"schema_version":"1.0","source":{"id":"1309.3859","kind":"arxiv","version":1}},"canonical_sha256":"a0dddc33b458cb27e14be42e44c09fc24ce3117db4279b378d6be7fde94be0e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a0dddc33b458cb27e14be42e44c09fc24ce3117db4279b378d6be7fde94be0e6","first_computed_at":"2026-05-18T03:13:12.121838Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:13:12.121838Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1nv5mgE5L4zvnWtYz6jgUI6VSbhKeyMlZS76qEfnvQt59wu1CXcw9MOkVIfzwUW75pE63puA9cG7XW+Z61afAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:13:12.122598Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.3859","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e7ec8df30b7855fa2c1d935a4f2ae654910bf014702fa5e32266eafe49d8730","sha256:dfbd70d4ab8a0dcf200150d5baf16f56413724956786a67950fba8bdc1686644"],"state_sha256":"3e05e82a66ed1ef6fd8df0e371349626b28c87d6daa2f4f542048275df9f4edf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IPBrLQ+YxwYBDOEykfauPdBAnSzawCE4XYx6a+9njKv6aMLMtb3sOlbq53x7X5WLdas7JapsSfszzeUnS+ZQBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T04:59:47.142781Z","bundle_sha256":"5ab1f3228ed70d864fb44fb7bb06d1d7d68918faba936c611a6528c33b30c7ae"}}