{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:XFO4RDIFYOSD3U2V3N6U7K7QP4","short_pith_number":"pith:XFO4RDIF","canonical_record":{"source":{"id":"2108.13410","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2021-08-27T07:08:35Z","cross_cats_sorted":["cond-mat.other","quant-ph"],"title_canon_sha256":"275b01f9ba1d19a6a486f88c578cc901d924d89b9dac3720b92040e8c296aad5","abstract_canon_sha256":"d35b23aeafa6721abf483adc10e2b9239af7270f187ce196dd9d56e9c8f304bb"},"schema_version":"1.0"},"canonical_sha256":"b95dc88d05c3a43dd355db7d4fabf07f3aee8342811dc213b24f22afd96a35d5","source":{"kind":"arxiv","id":"2108.13410","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.13410","created_at":"2026-07-05T04:11:48Z"},{"alias_kind":"arxiv_version","alias_value":"2108.13410v2","created_at":"2026-07-05T04:11:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.13410","created_at":"2026-07-05T04:11:48Z"},{"alias_kind":"pith_short_12","alias_value":"XFO4RDIFYOSD","created_at":"2026-07-05T04:11:48Z"},{"alias_kind":"pith_short_16","alias_value":"XFO4RDIFYOSD3U2V","created_at":"2026-07-05T04:11:48Z"},{"alias_kind":"pith_short_8","alias_value":"XFO4RDIF","created_at":"2026-07-05T04:11:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:XFO4RDIFYOSD3U2V3N6U7K7QP4","target":"record","payload":{"canonical_record":{"source":{"id":"2108.13410","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2021-08-27T07:08:35Z","cross_cats_sorted":["cond-mat.other","quant-ph"],"title_canon_sha256":"275b01f9ba1d19a6a486f88c578cc901d924d89b9dac3720b92040e8c296aad5","abstract_canon_sha256":"d35b23aeafa6721abf483adc10e2b9239af7270f187ce196dd9d56e9c8f304bb"},"schema_version":"1.0"},"canonical_sha256":"b95dc88d05c3a43dd355db7d4fabf07f3aee8342811dc213b24f22afd96a35d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:11:48.360443Z","signature_b64":"tNyPJ97BSvkhVoKt8TsgLWA4jnlWnGM9yLohuP4iTbDGEm2mINMxqACZ/9WtYKVKK1mAnAKs2dIheVhsZqTMDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b95dc88d05c3a43dd355db7d4fabf07f3aee8342811dc213b24f22afd96a35d5","last_reissued_at":"2026-07-05T04:11:48.359969Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:11:48.359969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.13410","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":"2026-07-05T04:11:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O9L5/Uza2PFea5XSB13oNl1FRsGyuEvwtEwX5lcXa9pePB2dN1mX7H2xoWb4R08rtvH0jFTHr0sSvZJbI7U/Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T20:43:25.496071Z"},"content_sha256":"69c6a1e33f5ac5687fb3587fbd489d3321c160f7a0c7388a039dba0c4de47aa8","schema_version":"1.0","event_id":"sha256:69c6a1e33f5ac5687fb3587fbd489d3321c160f7a0c7388a039dba0c4de47aa8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:XFO4RDIFYOSD3U2V3N6U7K7QP4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Digital quantum simulation and Pseudoquantum Simulation of $\\mathbb{Z}_2$ Gauge Higgs Model","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.other","quant-ph"],"primary_cat":"hep-lat","authors_text":"Xiaopeng Cui, Yiming Ding, Yu Shi","submitted_at":"2021-08-27T07:08:35Z","abstract_excerpt":"We present a quantum algorithm for digital quantum simulation of the $\\mathbb{Z}_2$ gauge-Higgs model on a $3\\times 3$ lattice, which is based on Trotter decomposition, the quantum adiabatic algorithm and its circuit realization. Then we perform a classical demonstration, dubbed a pseudoquantum simulation, on a GPU simulator. We obtain useful results on this model, which suggest the topological properties of the deconfined phase and help to clarify the phase diagram. It is suggested that the tricitical point, where the second-order critical lines of deconfinement-confinement transition and of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.13410","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/2108.13410/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":"2026-07-05T04:11:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3zY0XgWP1xMK2cDesvuCTBS/S3mpIvA5HI5HfOp2XhhdQd7eIrbphQRl9vmrcwiQmkBYPEChBWH1lRph91JQAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T20:43:25.496369Z"},"content_sha256":"c48abb91d474220fecec934dd7fd25ddcbb60bdbe8e5b51005c29a27d712a1d5","schema_version":"1.0","event_id":"sha256:c48abb91d474220fecec934dd7fd25ddcbb60bdbe8e5b51005c29a27d712a1d5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XFO4RDIFYOSD3U2V3N6U7K7QP4/bundle.json","state_url":"https://pith.science/pith/XFO4RDIFYOSD3U2V3N6U7K7QP4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XFO4RDIFYOSD3U2V3N6U7K7QP4/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":"2026-07-31T20:43:25Z","links":{"resolver":"https://pith.science/pith/XFO4RDIFYOSD3U2V3N6U7K7QP4","bundle":"https://pith.science/pith/XFO4RDIFYOSD3U2V3N6U7K7QP4/bundle.json","state":"https://pith.science/pith/XFO4RDIFYOSD3U2V3N6U7K7QP4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XFO4RDIFYOSD3U2V3N6U7K7QP4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:XFO4RDIFYOSD3U2V3N6U7K7QP4","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":"d35b23aeafa6721abf483adc10e2b9239af7270f187ce196dd9d56e9c8f304bb","cross_cats_sorted":["cond-mat.other","quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2021-08-27T07:08:35Z","title_canon_sha256":"275b01f9ba1d19a6a486f88c578cc901d924d89b9dac3720b92040e8c296aad5"},"schema_version":"1.0","source":{"id":"2108.13410","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.13410","created_at":"2026-07-05T04:11:48Z"},{"alias_kind":"arxiv_version","alias_value":"2108.13410v2","created_at":"2026-07-05T04:11:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.13410","created_at":"2026-07-05T04:11:48Z"},{"alias_kind":"pith_short_12","alias_value":"XFO4RDIFYOSD","created_at":"2026-07-05T04:11:48Z"},{"alias_kind":"pith_short_16","alias_value":"XFO4RDIFYOSD3U2V","created_at":"2026-07-05T04:11:48Z"},{"alias_kind":"pith_short_8","alias_value":"XFO4RDIF","created_at":"2026-07-05T04:11:48Z"}],"graph_snapshots":[{"event_id":"sha256:c48abb91d474220fecec934dd7fd25ddcbb60bdbe8e5b51005c29a27d712a1d5","target":"graph","created_at":"2026-07-05T04:11:48Z","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/2108.13410/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a quantum algorithm for digital quantum simulation of the $\\mathbb{Z}_2$ gauge-Higgs model on a $3\\times 3$ lattice, which is based on Trotter decomposition, the quantum adiabatic algorithm and its circuit realization. Then we perform a classical demonstration, dubbed a pseudoquantum simulation, on a GPU simulator. We obtain useful results on this model, which suggest the topological properties of the deconfined phase and help to clarify the phase diagram. It is suggested that the tricitical point, where the second-order critical lines of deconfinement-confinement transition and of ","authors_text":"Xiaopeng Cui, Yiming Ding, Yu Shi","cross_cats":["cond-mat.other","quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2021-08-27T07:08:35Z","title":"Digital quantum simulation and Pseudoquantum Simulation of $\\mathbb{Z}_2$ Gauge Higgs Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.13410","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":"sha256:69c6a1e33f5ac5687fb3587fbd489d3321c160f7a0c7388a039dba0c4de47aa8","target":"record","created_at":"2026-07-05T04:11:48Z","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":"d35b23aeafa6721abf483adc10e2b9239af7270f187ce196dd9d56e9c8f304bb","cross_cats_sorted":["cond-mat.other","quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2021-08-27T07:08:35Z","title_canon_sha256":"275b01f9ba1d19a6a486f88c578cc901d924d89b9dac3720b92040e8c296aad5"},"schema_version":"1.0","source":{"id":"2108.13410","kind":"arxiv","version":2}},"canonical_sha256":"b95dc88d05c3a43dd355db7d4fabf07f3aee8342811dc213b24f22afd96a35d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b95dc88d05c3a43dd355db7d4fabf07f3aee8342811dc213b24f22afd96a35d5","first_computed_at":"2026-07-05T04:11:48.359969Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:11:48.359969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tNyPJ97BSvkhVoKt8TsgLWA4jnlWnGM9yLohuP4iTbDGEm2mINMxqACZ/9WtYKVKK1mAnAKs2dIheVhsZqTMDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:11:48.360443Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.13410","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:69c6a1e33f5ac5687fb3587fbd489d3321c160f7a0c7388a039dba0c4de47aa8","sha256:c48abb91d474220fecec934dd7fd25ddcbb60bdbe8e5b51005c29a27d712a1d5"],"state_sha256":"64070609b74626bc4620b34fbb45fcd59d65226daf9eb24fa7a652e8ec608dbc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X3xzDAvj7WDVmRwbvmGh3gVb7/Y9ywTRLjI8o0s/36mTOFLX4w0pxR70k8I+soPw8R8S0bWy4ncm9gNpNAj3Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T20:43:25.499101Z","bundle_sha256":"5b7d62898fe757333d290c9d7911c61313b96b707b1f0edac24906d56b414e5f"}}