{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4CUF2MFMPQECEGTNLOES47ZDW5","short_pith_number":"pith:4CUF2MFM","canonical_record":{"source":{"id":"1808.04599","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-08-14T09:36:12Z","cross_cats_sorted":[],"title_canon_sha256":"3c2946387edd4736ef9202a9e8e9f4984892ef34d8090cc9bc3a3bd1424f2331","abstract_canon_sha256":"06f7a4882bec60aca4c00fa39114c05d51a8779f435014a23a05dad963c0c45f"},"schema_version":"1.0"},"canonical_sha256":"e0a85d30ac7c08221a6d5b892e7f23b77c7c933120cf25f4db20149f746e56c0","source":{"kind":"arxiv","id":"1808.04599","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.04599","created_at":"2026-05-17T23:50:12Z"},{"alias_kind":"arxiv_version","alias_value":"1808.04599v2","created_at":"2026-05-17T23:50:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.04599","created_at":"2026-05-17T23:50:12Z"},{"alias_kind":"pith_short_12","alias_value":"4CUF2MFMPQEC","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4CUF2MFMPQECEGTN","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4CUF2MFM","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4CUF2MFMPQECEGTNLOES47ZDW5","target":"record","payload":{"canonical_record":{"source":{"id":"1808.04599","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-08-14T09:36:12Z","cross_cats_sorted":[],"title_canon_sha256":"3c2946387edd4736ef9202a9e8e9f4984892ef34d8090cc9bc3a3bd1424f2331","abstract_canon_sha256":"06f7a4882bec60aca4c00fa39114c05d51a8779f435014a23a05dad963c0c45f"},"schema_version":"1.0"},"canonical_sha256":"e0a85d30ac7c08221a6d5b892e7f23b77c7c933120cf25f4db20149f746e56c0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:12.806982Z","signature_b64":"KscHCpmfV+7G75yXCJ6SdWKE/SODJbaIibxtovqHkFeUJFJeJd/Y3vgN7tr1siPUx7o6ZneVFGTLCpAfVqnDBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0a85d30ac7c08221a6d5b892e7f23b77c7c933120cf25f4db20149f746e56c0","last_reissued_at":"2026-05-17T23:50:12.806450Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:12.806450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.04599","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":"2026-05-17T23:50:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jYhK+7SCD4qkrzUZnZw/RlIgixrqF5I40L87vJzbi/Aazml4GhDU7g/Cd0Ru7JxrumhOZKvD7MvTllSajW5mCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T14:26:28.264526Z"},"content_sha256":"a4c9da451de1839c4f42d4da5198cb5f50270d4f099833f164b3513163941b16","schema_version":"1.0","event_id":"sha256:a4c9da451de1839c4f42d4da5198cb5f50270d4f099833f164b3513163941b16"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4CUF2MFMPQECEGTNLOES47ZDW5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental Determination of Bose-Hubbard Energies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Hiroto Asaka, Jun Kobayashi, Kensuke Inaba, Makoto Yamashita, Yoshiaki Fukushima, Yoshiro Takahashi, Yosuke Takasu, Yusuke Nakamura","submitted_at":"2018-08-14T09:36:12Z","abstract_excerpt":"We present the first experimental measurement of the ensemble averages of both the kinetic and interaction energies of the three-dimensional Bose--Hubbard model at finite temperature and various optical lattice depths across weakly to strongly interacting regimes, for an almost unit filling factor. The kinetic energy is obtained through Fourier transformation of a time-of-flight signal, and the interaction energy is measured using a newly developed atom-number-projection spectroscopy technique, by exploiting an ultra-narrow optical transition of two-electron atoms. The obtained experimental re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.04599","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":"2026-05-17T23:50:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8aOrQf9ic39bLeZfvJWb6Os7bxKwH8FV/HE0sWs8gHnvyuUP1rAdV67MVZ3LjmnyZAvc+0A/M3+r2mCvjjCIBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T14:26:28.264902Z"},"content_sha256":"eeb30919f127d1a7d26c688ef8c11fdd6739d42be444142b8bfeedc49a3890c5","schema_version":"1.0","event_id":"sha256:eeb30919f127d1a7d26c688ef8c11fdd6739d42be444142b8bfeedc49a3890c5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4CUF2MFMPQECEGTNLOES47ZDW5/bundle.json","state_url":"https://pith.science/pith/4CUF2MFMPQECEGTNLOES47ZDW5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4CUF2MFMPQECEGTNLOES47ZDW5/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":"2026-05-25T14:26:28Z","links":{"resolver":"https://pith.science/pith/4CUF2MFMPQECEGTNLOES47ZDW5","bundle":"https://pith.science/pith/4CUF2MFMPQECEGTNLOES47ZDW5/bundle.json","state":"https://pith.science/pith/4CUF2MFMPQECEGTNLOES47ZDW5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4CUF2MFMPQECEGTNLOES47ZDW5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4CUF2MFMPQECEGTNLOES47ZDW5","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":"06f7a4882bec60aca4c00fa39114c05d51a8779f435014a23a05dad963c0c45f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-08-14T09:36:12Z","title_canon_sha256":"3c2946387edd4736ef9202a9e8e9f4984892ef34d8090cc9bc3a3bd1424f2331"},"schema_version":"1.0","source":{"id":"1808.04599","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.04599","created_at":"2026-05-17T23:50:12Z"},{"alias_kind":"arxiv_version","alias_value":"1808.04599v2","created_at":"2026-05-17T23:50:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.04599","created_at":"2026-05-17T23:50:12Z"},{"alias_kind":"pith_short_12","alias_value":"4CUF2MFMPQEC","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4CUF2MFMPQECEGTN","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4CUF2MFM","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:eeb30919f127d1a7d26c688ef8c11fdd6739d42be444142b8bfeedc49a3890c5","target":"graph","created_at":"2026-05-17T23:50:12Z","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 present the first experimental measurement of the ensemble averages of both the kinetic and interaction energies of the three-dimensional Bose--Hubbard model at finite temperature and various optical lattice depths across weakly to strongly interacting regimes, for an almost unit filling factor. The kinetic energy is obtained through Fourier transformation of a time-of-flight signal, and the interaction energy is measured using a newly developed atom-number-projection spectroscopy technique, by exploiting an ultra-narrow optical transition of two-electron atoms. The obtained experimental re","authors_text":"Hiroto Asaka, Jun Kobayashi, Kensuke Inaba, Makoto Yamashita, Yoshiaki Fukushima, Yoshiro Takahashi, Yosuke Takasu, Yusuke Nakamura","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-08-14T09:36:12Z","title":"Experimental Determination of Bose-Hubbard Energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.04599","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:a4c9da451de1839c4f42d4da5198cb5f50270d4f099833f164b3513163941b16","target":"record","created_at":"2026-05-17T23:50:12Z","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":"06f7a4882bec60aca4c00fa39114c05d51a8779f435014a23a05dad963c0c45f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-08-14T09:36:12Z","title_canon_sha256":"3c2946387edd4736ef9202a9e8e9f4984892ef34d8090cc9bc3a3bd1424f2331"},"schema_version":"1.0","source":{"id":"1808.04599","kind":"arxiv","version":2}},"canonical_sha256":"e0a85d30ac7c08221a6d5b892e7f23b77c7c933120cf25f4db20149f746e56c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0a85d30ac7c08221a6d5b892e7f23b77c7c933120cf25f4db20149f746e56c0","first_computed_at":"2026-05-17T23:50:12.806450Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:12.806450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KscHCpmfV+7G75yXCJ6SdWKE/SODJbaIibxtovqHkFeUJFJeJd/Y3vgN7tr1siPUx7o6ZneVFGTLCpAfVqnDBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:12.806982Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.04599","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a4c9da451de1839c4f42d4da5198cb5f50270d4f099833f164b3513163941b16","sha256:eeb30919f127d1a7d26c688ef8c11fdd6739d42be444142b8bfeedc49a3890c5"],"state_sha256":"7ffeffbdc8d967b627b96aee2404ad8797bbb689d6f17ec3a93ac56d23217eb8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QuXt3uMOtZWo6QXvu/yJ7TD+QLyTdO754n5+w00kS0rd+ueYfwdzt1vvKzJo8cHA31llPyPSebx7Yf6+zScjDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T14:26:28.268462Z","bundle_sha256":"7b9524723c1a776889c63f23ecb3e653303c105d6fef43e1c343064404474e5f"}}