{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:OG5U5522I4J3Z44BDRAMUCUEHU","short_pith_number":"pith:OG5U5522","canonical_record":{"source":{"id":"1403.6875","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-26T22:08:48Z","cross_cats_sorted":["cond-mat.quant-gas","nlin.SI"],"title_canon_sha256":"e94a69493a76ae01dd629c2f7c1bffd17617dbbaed6e5720a3e6f7338acee67b","abstract_canon_sha256":"fb34112d221a61aba692b86ce8358732f8d6ddc272a450a494e2b0539a156ab9"},"schema_version":"1.0"},"canonical_sha256":"71bb4ef75a4713bcf3811c40ca0a843d3933a505fe81eefcda58a68f455b09e4","source":{"kind":"arxiv","id":"1403.6875","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.6875","created_at":"2026-05-18T02:38:37Z"},{"alias_kind":"arxiv_version","alias_value":"1403.6875v1","created_at":"2026-05-18T02:38:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.6875","created_at":"2026-05-18T02:38:37Z"},{"alias_kind":"pith_short_12","alias_value":"OG5U5522I4J3","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OG5U5522I4J3Z44B","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OG5U5522","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:OG5U5522I4J3Z44BDRAMUCUEHU","target":"record","payload":{"canonical_record":{"source":{"id":"1403.6875","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-26T22:08:48Z","cross_cats_sorted":["cond-mat.quant-gas","nlin.SI"],"title_canon_sha256":"e94a69493a76ae01dd629c2f7c1bffd17617dbbaed6e5720a3e6f7338acee67b","abstract_canon_sha256":"fb34112d221a61aba692b86ce8358732f8d6ddc272a450a494e2b0539a156ab9"},"schema_version":"1.0"},"canonical_sha256":"71bb4ef75a4713bcf3811c40ca0a843d3933a505fe81eefcda58a68f455b09e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:37.107741Z","signature_b64":"YTCqFtd7oRaGEsgisRm+kynOE1arMpdLnNJJzcVwDDkBg47XsYO1zYY6Yw4Cm9TwhxN9weuL1VvJ1n7bb6WRCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"71bb4ef75a4713bcf3811c40ca0a843d3933a505fe81eefcda58a68f455b09e4","last_reissued_at":"2026-05-18T02:38:37.107248Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:37.107248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.6875","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":"2026-05-18T02:38:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M11QvIBTvHA+Ww1vsLPlPQ0zmV2DdAVUt3Xck2pjzPkwVImJxi48PhDT3fEs1wHGVShJMin7KmJxkC/BrNxgCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:26:20.673224Z"},"content_sha256":"01c26fc0d4191fc69f65f534ad0ef6aa72b973302c96a9b4856502e92c81931b","schema_version":"1.0","event_id":"sha256:01c26fc0d4191fc69f65f534ad0ef6aa72b973302c96a9b4856502e92c81931b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:OG5U5522I4J3Z44BDRAMUCUEHU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Integrability and weak diffraction in a two-particle Bose-Hubbard model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","nlin.SI"],"primary_cat":"quant-ph","authors_text":"Daniel Braak, J. M. Zhang, Marcus Kollar","submitted_at":"2014-03-26T22:08:48Z","abstract_excerpt":"A recently introduced one-dimensional two-particle Bose-Hubbard model with a single impurity is studied on finite lattices. The model possesses a discrete reflection symmetry and we demonstrate that all eigenstates odd under this symmetry can be obtained with a generalized Bethe ansatz if periodic boundary conditions are imposed. Furthermore, we provide numerical evidence that this holds true for open boundary conditions as well. The model exhibits backscattering at the impurity site -- which usually destroys integrability -- yet there exists an integrable subspace. We investigate the non-inte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.6875","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":"2026-05-18T02:38:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jgkrFo66MZTQxXJe8IWlLSwqNF+Os0QdS0kgrsJSwr9kRlnB85NXtl1V9nj9CJGBqFDJHrwQj1Mz/erC+A6ZCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:26:20.673612Z"},"content_sha256":"3c5c62091357390bc3165c39f645a9b9ce833921ddf873ee4e59bf56862f0daf","schema_version":"1.0","event_id":"sha256:3c5c62091357390bc3165c39f645a9b9ce833921ddf873ee4e59bf56862f0daf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OG5U5522I4J3Z44BDRAMUCUEHU/bundle.json","state_url":"https://pith.science/pith/OG5U5522I4J3Z44BDRAMUCUEHU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OG5U5522I4J3Z44BDRAMUCUEHU/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":"2026-05-30T05:26:20Z","links":{"resolver":"https://pith.science/pith/OG5U5522I4J3Z44BDRAMUCUEHU","bundle":"https://pith.science/pith/OG5U5522I4J3Z44BDRAMUCUEHU/bundle.json","state":"https://pith.science/pith/OG5U5522I4J3Z44BDRAMUCUEHU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OG5U5522I4J3Z44BDRAMUCUEHU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OG5U5522I4J3Z44BDRAMUCUEHU","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":"fb34112d221a61aba692b86ce8358732f8d6ddc272a450a494e2b0539a156ab9","cross_cats_sorted":["cond-mat.quant-gas","nlin.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-26T22:08:48Z","title_canon_sha256":"e94a69493a76ae01dd629c2f7c1bffd17617dbbaed6e5720a3e6f7338acee67b"},"schema_version":"1.0","source":{"id":"1403.6875","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.6875","created_at":"2026-05-18T02:38:37Z"},{"alias_kind":"arxiv_version","alias_value":"1403.6875v1","created_at":"2026-05-18T02:38:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.6875","created_at":"2026-05-18T02:38:37Z"},{"alias_kind":"pith_short_12","alias_value":"OG5U5522I4J3","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OG5U5522I4J3Z44B","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OG5U5522","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:3c5c62091357390bc3165c39f645a9b9ce833921ddf873ee4e59bf56862f0daf","target":"graph","created_at":"2026-05-18T02:38:37Z","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":"A recently introduced one-dimensional two-particle Bose-Hubbard model with a single impurity is studied on finite lattices. The model possesses a discrete reflection symmetry and we demonstrate that all eigenstates odd under this symmetry can be obtained with a generalized Bethe ansatz if periodic boundary conditions are imposed. Furthermore, we provide numerical evidence that this holds true for open boundary conditions as well. The model exhibits backscattering at the impurity site -- which usually destroys integrability -- yet there exists an integrable subspace. We investigate the non-inte","authors_text":"Daniel Braak, J. M. Zhang, Marcus Kollar","cross_cats":["cond-mat.quant-gas","nlin.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-26T22:08:48Z","title":"Integrability and weak diffraction in a two-particle Bose-Hubbard model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.6875","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":"sha256:01c26fc0d4191fc69f65f534ad0ef6aa72b973302c96a9b4856502e92c81931b","target":"record","created_at":"2026-05-18T02:38:37Z","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":"fb34112d221a61aba692b86ce8358732f8d6ddc272a450a494e2b0539a156ab9","cross_cats_sorted":["cond-mat.quant-gas","nlin.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-26T22:08:48Z","title_canon_sha256":"e94a69493a76ae01dd629c2f7c1bffd17617dbbaed6e5720a3e6f7338acee67b"},"schema_version":"1.0","source":{"id":"1403.6875","kind":"arxiv","version":1}},"canonical_sha256":"71bb4ef75a4713bcf3811c40ca0a843d3933a505fe81eefcda58a68f455b09e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"71bb4ef75a4713bcf3811c40ca0a843d3933a505fe81eefcda58a68f455b09e4","first_computed_at":"2026-05-18T02:38:37.107248Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:37.107248Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YTCqFtd7oRaGEsgisRm+kynOE1arMpdLnNJJzcVwDDkBg47XsYO1zYY6Yw4Cm9TwhxN9weuL1VvJ1n7bb6WRCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:37.107741Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.6875","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01c26fc0d4191fc69f65f534ad0ef6aa72b973302c96a9b4856502e92c81931b","sha256:3c5c62091357390bc3165c39f645a9b9ce833921ddf873ee4e59bf56862f0daf"],"state_sha256":"d0cbc4984db535dc0c81af5c947885e8b02cf6d0008176a7dde233e1f170debc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EDWWZQjjFUyz3C6p6h9bMGNwIVQR1smYDV+ww8PNaj6NuMFWY7ZzsaXKUu+1pjbjM64svd06T9cq2uUPPrxxDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T05:26:20.675633Z","bundle_sha256":"a039110b63141d9851f7456b14a08a1c4c34d14962ffba2baeaa303d8dd2afa9"}}