{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:ZLQ5HRJB2PPFOXOZGAU7NJIW4V","short_pith_number":"pith:ZLQ5HRJB","canonical_record":{"source":{"id":"1807.09992","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-07-26T07:50:06Z","cross_cats_sorted":[],"title_canon_sha256":"4125d6065f14fac183f0a10e082e323eddb920a2ed998f8b9036890fd6a174e4","abstract_canon_sha256":"078f6e5b55d270f30f794a5c827846993d76019ae47aee0fb3fc4d59f7620665"},"schema_version":"1.0"},"canonical_sha256":"cae1d3c521d3de575dd93029f6a516e54c65d3c7a1c02e089f58c0deeb758572","source":{"kind":"arxiv","id":"1807.09992","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.09992","created_at":"2026-05-17T23:58:04Z"},{"alias_kind":"arxiv_version","alias_value":"1807.09992v1","created_at":"2026-05-17T23:58:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.09992","created_at":"2026-05-17T23:58:04Z"},{"alias_kind":"pith_short_12","alias_value":"ZLQ5HRJB2PPF","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZLQ5HRJB2PPFOXOZ","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZLQ5HRJB","created_at":"2026-05-18T12:33:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:ZLQ5HRJB2PPFOXOZGAU7NJIW4V","target":"record","payload":{"canonical_record":{"source":{"id":"1807.09992","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-07-26T07:50:06Z","cross_cats_sorted":[],"title_canon_sha256":"4125d6065f14fac183f0a10e082e323eddb920a2ed998f8b9036890fd6a174e4","abstract_canon_sha256":"078f6e5b55d270f30f794a5c827846993d76019ae47aee0fb3fc4d59f7620665"},"schema_version":"1.0"},"canonical_sha256":"cae1d3c521d3de575dd93029f6a516e54c65d3c7a1c02e089f58c0deeb758572","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:04.359432Z","signature_b64":"3nRGU4Hidd0g4PCj8Z6Q4yL7Gj/yAVsqQMJyrbyaduNZHQwArtJN2gAmcplIkibdY8V1jhPPLYkGUVjVvqQLBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cae1d3c521d3de575dd93029f6a516e54c65d3c7a1c02e089f58c0deeb758572","last_reissued_at":"2026-05-17T23:58:04.358853Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:04.358853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.09992","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":"2026-05-17T23:58:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"icHxy1CYQODn7wezCQOLDf+TZMUuihk7fcUU2NlYQY118ey9Ay4Yvq8NDHS5w4H1R/jTdfhu72inBokDb+U5Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:56:57.632144Z"},"content_sha256":"9cbc10249836b6cf5b7e6413f80b0b66201b7ee652d265a400ee83aaa1146de1","schema_version":"1.0","event_id":"sha256:9cbc10249836b6cf5b7e6413f80b0b66201b7ee652d265a400ee83aaa1146de1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:ZLQ5HRJB2PPFOXOZGAU7NJIW4V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Few-body states of bosons interacting with a heavy quantum impurity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Jesper Levinsen, Meera M. Parish, Shuhei M. Yoshida, Zhe-Yu Shi","submitted_at":"2018-07-26T07:50:06Z","abstract_excerpt":"We consider the problem of a fixed impurity coupled to a small number $N$ of non-interacting bosons. We focus on impurity-boson interactions that are mediated by a closed-channel molecule, as is the case for tuneable interatomic interactions in cold-atom experiments. We show that this two-channel model can be mapped to a boson model with effective boson-boson repulsion, which enables us to solve the three-body ($N=2$) problem analytically and determine the trimer energy for impurity-boson scattering lengths $a>0$. By analysing the atom-dimer scattering amplitude, we find a critical scattering "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.09992","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":"2026-05-17T23:58:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PDZ+IL3yQSRQf5/dKBTnaQgt3HozN0z9zatyKr4DP8MRu7VL71W7QlZcbSCkREJpWjNpr2l9V/kXE1S+aa3cDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:56:57.632905Z"},"content_sha256":"06db79d737cd69f20c5341eede73884e371d1c6922b254218116495f3b599f44","schema_version":"1.0","event_id":"sha256:06db79d737cd69f20c5341eede73884e371d1c6922b254218116495f3b599f44"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZLQ5HRJB2PPFOXOZGAU7NJIW4V/bundle.json","state_url":"https://pith.science/pith/ZLQ5HRJB2PPFOXOZGAU7NJIW4V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZLQ5HRJB2PPFOXOZGAU7NJIW4V/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":"2026-05-26T21:56:57Z","links":{"resolver":"https://pith.science/pith/ZLQ5HRJB2PPFOXOZGAU7NJIW4V","bundle":"https://pith.science/pith/ZLQ5HRJB2PPFOXOZGAU7NJIW4V/bundle.json","state":"https://pith.science/pith/ZLQ5HRJB2PPFOXOZGAU7NJIW4V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZLQ5HRJB2PPFOXOZGAU7NJIW4V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZLQ5HRJB2PPFOXOZGAU7NJIW4V","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":"078f6e5b55d270f30f794a5c827846993d76019ae47aee0fb3fc4d59f7620665","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-07-26T07:50:06Z","title_canon_sha256":"4125d6065f14fac183f0a10e082e323eddb920a2ed998f8b9036890fd6a174e4"},"schema_version":"1.0","source":{"id":"1807.09992","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.09992","created_at":"2026-05-17T23:58:04Z"},{"alias_kind":"arxiv_version","alias_value":"1807.09992v1","created_at":"2026-05-17T23:58:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.09992","created_at":"2026-05-17T23:58:04Z"},{"alias_kind":"pith_short_12","alias_value":"ZLQ5HRJB2PPF","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZLQ5HRJB2PPFOXOZ","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZLQ5HRJB","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:06db79d737cd69f20c5341eede73884e371d1c6922b254218116495f3b599f44","target":"graph","created_at":"2026-05-17T23:58:04Z","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 consider the problem of a fixed impurity coupled to a small number $N$ of non-interacting bosons. We focus on impurity-boson interactions that are mediated by a closed-channel molecule, as is the case for tuneable interatomic interactions in cold-atom experiments. We show that this two-channel model can be mapped to a boson model with effective boson-boson repulsion, which enables us to solve the three-body ($N=2$) problem analytically and determine the trimer energy for impurity-boson scattering lengths $a>0$. By analysing the atom-dimer scattering amplitude, we find a critical scattering ","authors_text":"Jesper Levinsen, Meera M. Parish, Shuhei M. Yoshida, Zhe-Yu Shi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-07-26T07:50:06Z","title":"Few-body states of bosons interacting with a heavy quantum impurity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.09992","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":"sha256:9cbc10249836b6cf5b7e6413f80b0b66201b7ee652d265a400ee83aaa1146de1","target":"record","created_at":"2026-05-17T23:58:04Z","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":"078f6e5b55d270f30f794a5c827846993d76019ae47aee0fb3fc4d59f7620665","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-07-26T07:50:06Z","title_canon_sha256":"4125d6065f14fac183f0a10e082e323eddb920a2ed998f8b9036890fd6a174e4"},"schema_version":"1.0","source":{"id":"1807.09992","kind":"arxiv","version":1}},"canonical_sha256":"cae1d3c521d3de575dd93029f6a516e54c65d3c7a1c02e089f58c0deeb758572","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cae1d3c521d3de575dd93029f6a516e54c65d3c7a1c02e089f58c0deeb758572","first_computed_at":"2026-05-17T23:58:04.358853Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:04.358853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3nRGU4Hidd0g4PCj8Z6Q4yL7Gj/yAVsqQMJyrbyaduNZHQwArtJN2gAmcplIkibdY8V1jhPPLYkGUVjVvqQLBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:04.359432Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.09992","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9cbc10249836b6cf5b7e6413f80b0b66201b7ee652d265a400ee83aaa1146de1","sha256:06db79d737cd69f20c5341eede73884e371d1c6922b254218116495f3b599f44"],"state_sha256":"e30805c4c28793060055064755f3d26906ab0bbbad5a88b37a8e6bc850ed1497"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ymGatXuUHkYZZN7euuv3L/iPRTj8pmZuvgfJS5L2WXakAh+FACm2XPqrT5WEk6hEBAKdOyqz7tzWCG9GSnpKBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:56:57.637215Z","bundle_sha256":"109c3032565a47d4fd4e432261e56f79786ca81fde0d6052fd6ef01b97f0baf9"}}