{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:WYRUOS5KKKFZ372PBDXCANNC5Q","short_pith_number":"pith:WYRUOS5K","canonical_record":{"source":{"id":"1903.05936","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-03-14T12:16:47Z","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"title_canon_sha256":"cb7fcec4733462782391553172e4a427c8a387875f2b613c1a355f702fb02eec","abstract_canon_sha256":"4b1ef504d8bd9933336931afc7ed8117fdeddff837ea4dbef378b02037a21458"},"schema_version":"1.0"},"canonical_sha256":"b623474baa528b9dff4f08ee2035a2ec1f54b1eae1ebcbedbd40b636bc846617","source":{"kind":"arxiv","id":"1903.05936","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.05936","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"arxiv_version","alias_value":"1903.05936v2","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.05936","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"pith_short_12","alias_value":"WYRUOS5KKKFZ","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"WYRUOS5KKKFZ372P","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"WYRUOS5K","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:WYRUOS5KKKFZ372PBDXCANNC5Q","target":"record","payload":{"canonical_record":{"source":{"id":"1903.05936","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-03-14T12:16:47Z","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"title_canon_sha256":"cb7fcec4733462782391553172e4a427c8a387875f2b613c1a355f702fb02eec","abstract_canon_sha256":"4b1ef504d8bd9933336931afc7ed8117fdeddff837ea4dbef378b02037a21458"},"schema_version":"1.0"},"canonical_sha256":"b623474baa528b9dff4f08ee2035a2ec1f54b1eae1ebcbedbd40b636bc846617","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:58.410724Z","signature_b64":"libvwMnUqw2aohHs1a4VT8Pu3NqA4f+Uc7VZFdKzeHiSfpZHYeapvX5elCIfG28jEgp9sPKLYcwqzGqASl5TBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b623474baa528b9dff4f08ee2035a2ec1f54b1eae1ebcbedbd40b636bc846617","last_reissued_at":"2026-05-17T23:42:58.410027Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:58.410027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.05936","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":"2026-05-17T23:42:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6ijNHACm4MxMsuQMg9TFq/xkbXCYNfCYuFAR7QSgHPnyt9jFKr7jkhEA12ogThFT24I//LVRvq/CXCbTsOtOAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:26:22.538931Z"},"content_sha256":"cab2d2e7a538a3a36491d0eadb59af83c5389f4606ee678710cbd4cbf8a9d283","schema_version":"1.0","event_id":"sha256:cab2d2e7a538a3a36491d0eadb59af83c5389f4606ee678710cbd4cbf8a9d283"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:WYRUOS5KKKFZ372PBDXCANNC5Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Critical points of the three-dimensional Bose-Hubbard model from on-site atom number fluctuations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Bogdan Damski, Mateusz {\\L}\\k{a}cki, Oskar A. Pro\\'sniak","submitted_at":"2019-03-14T12:16:47Z","abstract_excerpt":"We discuss how positions of critical points of the three-dimensional Bose-Hubbard model can be accurately obtained from variance of the on-site atom number operator, which can be experimentally measured. The idea that we explore is that the derivative of the variance, with respect to the parameter driving the transition, has a pronounced maximum close to critical points. We show that Quantum Monte Carlo studies of this maximum lead to precise determination of critical points for the superfluid-Mott insulator transition in systems with mean number of atoms per lattice site equal to one, two, an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.05936","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":""},"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":"2026-05-17T23:42:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3UVtmiA6OTOpobgPSy+iF7s+fEiqbwWjlktxMouQUerzAHdF1gUwopyimSL/eKXTjDEgsTBn2Xun/c3L7dmtCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:26:22.539289Z"},"content_sha256":"01338bf4ae727b6fc174c838b44ad21d27a1256e52ed28cb304417051356186a","schema_version":"1.0","event_id":"sha256:01338bf4ae727b6fc174c838b44ad21d27a1256e52ed28cb304417051356186a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WYRUOS5KKKFZ372PBDXCANNC5Q/bundle.json","state_url":"https://pith.science/pith/WYRUOS5KKKFZ372PBDXCANNC5Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WYRUOS5KKKFZ372PBDXCANNC5Q/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":"2026-05-27T10:26:22Z","links":{"resolver":"https://pith.science/pith/WYRUOS5KKKFZ372PBDXCANNC5Q","bundle":"https://pith.science/pith/WYRUOS5KKKFZ372PBDXCANNC5Q/bundle.json","state":"https://pith.science/pith/WYRUOS5KKKFZ372PBDXCANNC5Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WYRUOS5KKKFZ372PBDXCANNC5Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:WYRUOS5KKKFZ372PBDXCANNC5Q","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":"4b1ef504d8bd9933336931afc7ed8117fdeddff837ea4dbef378b02037a21458","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-03-14T12:16:47Z","title_canon_sha256":"cb7fcec4733462782391553172e4a427c8a387875f2b613c1a355f702fb02eec"},"schema_version":"1.0","source":{"id":"1903.05936","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.05936","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"arxiv_version","alias_value":"1903.05936v2","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.05936","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"pith_short_12","alias_value":"WYRUOS5KKKFZ","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"WYRUOS5KKKFZ372P","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"WYRUOS5K","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:01338bf4ae727b6fc174c838b44ad21d27a1256e52ed28cb304417051356186a","target":"graph","created_at":"2026-05-17T23:42:58Z","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 discuss how positions of critical points of the three-dimensional Bose-Hubbard model can be accurately obtained from variance of the on-site atom number operator, which can be experimentally measured. The idea that we explore is that the derivative of the variance, with respect to the parameter driving the transition, has a pronounced maximum close to critical points. We show that Quantum Monte Carlo studies of this maximum lead to precise determination of critical points for the superfluid-Mott insulator transition in systems with mean number of atoms per lattice site equal to one, two, an","authors_text":"Bogdan Damski, Mateusz {\\L}\\k{a}cki, Oskar A. Pro\\'sniak","cross_cats":["cond-mat.stat-mech","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-03-14T12:16:47Z","title":"Critical points of the three-dimensional Bose-Hubbard model from on-site atom number fluctuations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.05936","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:cab2d2e7a538a3a36491d0eadb59af83c5389f4606ee678710cbd4cbf8a9d283","target":"record","created_at":"2026-05-17T23:42:58Z","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":"4b1ef504d8bd9933336931afc7ed8117fdeddff837ea4dbef378b02037a21458","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-03-14T12:16:47Z","title_canon_sha256":"cb7fcec4733462782391553172e4a427c8a387875f2b613c1a355f702fb02eec"},"schema_version":"1.0","source":{"id":"1903.05936","kind":"arxiv","version":2}},"canonical_sha256":"b623474baa528b9dff4f08ee2035a2ec1f54b1eae1ebcbedbd40b636bc846617","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b623474baa528b9dff4f08ee2035a2ec1f54b1eae1ebcbedbd40b636bc846617","first_computed_at":"2026-05-17T23:42:58.410027Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:58.410027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"libvwMnUqw2aohHs1a4VT8Pu3NqA4f+Uc7VZFdKzeHiSfpZHYeapvX5elCIfG28jEgp9sPKLYcwqzGqASl5TBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:58.410724Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.05936","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cab2d2e7a538a3a36491d0eadb59af83c5389f4606ee678710cbd4cbf8a9d283","sha256:01338bf4ae727b6fc174c838b44ad21d27a1256e52ed28cb304417051356186a"],"state_sha256":"897501741af7dd9aeaa961057e9ab1f5bd172e885af88424669ef1c21d476936"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GH9Ol7X45AJzIbsII9tk+F9GMivjvafDpmEi4m4de9HqfC4tyOYIWv70SYiVyS8cbWc+PPqgZDC1HTmkci0HDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T10:26:22.542629Z","bundle_sha256":"f67fb499af24d26c769d293890013735081ca2adb442ae846b4914fd842b8efa"}}