{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:IHBNPBWXG5ASOSUUVKRPGIYNUN","short_pith_number":"pith:IHBNPBWX","canonical_record":{"source":{"id":"1805.12103","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-05-30T17:46:00Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"8e14f3a3be5771656be1fdfd38cd27d8471ded8b9ed430a12552a60abb3e645b","abstract_canon_sha256":"2ff8d9aeb6bb66db6528789d3c221b28c49f2cec39083f99610c55055f21baa2"},"schema_version":"1.0"},"canonical_sha256":"41c2d786d73741274a94aaa2f3230da349482a85a5ca2b07f32575c6c1a86c23","source":{"kind":"arxiv","id":"1805.12103","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.12103","created_at":"2026-05-18T00:07:49Z"},{"alias_kind":"arxiv_version","alias_value":"1805.12103v2","created_at":"2026-05-18T00:07:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.12103","created_at":"2026-05-18T00:07:49Z"},{"alias_kind":"pith_short_12","alias_value":"IHBNPBWXG5AS","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"IHBNPBWXG5ASOSUU","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"IHBNPBWX","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:IHBNPBWXG5ASOSUUVKRPGIYNUN","target":"record","payload":{"canonical_record":{"source":{"id":"1805.12103","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-05-30T17:46:00Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"8e14f3a3be5771656be1fdfd38cd27d8471ded8b9ed430a12552a60abb3e645b","abstract_canon_sha256":"2ff8d9aeb6bb66db6528789d3c221b28c49f2cec39083f99610c55055f21baa2"},"schema_version":"1.0"},"canonical_sha256":"41c2d786d73741274a94aaa2f3230da349482a85a5ca2b07f32575c6c1a86c23","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:49.356912Z","signature_b64":"hSHk+M8IjNiLEOiQFRf6ultlLWIxs1EW61hkNifZj5bKaPPB0MHnKpD6Dec+/atqS9WejGAfrciWaTISTwsVDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41c2d786d73741274a94aaa2f3230da349482a85a5ca2b07f32575c6c1a86c23","last_reissued_at":"2026-05-18T00:07:49.356182Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:49.356182Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.12103","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":"2026-05-18T00:07:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WCJKvIVqswoSRqGy3BbjqXKCzElnAg6rNSQ1LBHLomRpRs9qKKYIoiOuknwrZ74NCUoeRvJPzomLIVtyn35ICA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T01:00:35.256712Z"},"content_sha256":"0745b9e1ecff2956ab3109c09bbc976c92a2b9113c0c54fc14f78690d3078403","schema_version":"1.0","event_id":"sha256:0745b9e1ecff2956ab3109c09bbc976c92a2b9113c0c54fc14f78690d3078403"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:IHBNPBWXG5ASOSUUVKRPGIYNUN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Emergence of dark soliton signatures in a one-dimensional unpolarized attractive Fermi gas on a ring","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Andrzej Syrwid, Dominique Delande, Krzysztof Sacha","submitted_at":"2018-05-30T17:46:00Z","abstract_excerpt":"The two-component Fermi gas with contact attractive interactions between different spin components can be described by the Yang-Gaudin model. Applying the Bethe ansatz approach, one finds analytical formulae for the system eigenstates that are uniquely parametrized by the solutions of the corresponding Bethe equations. Recent numerical studies of the so-called yrast eigenstates, i.e. lowest energy eigenstates at a given non-zero total momentum, in the Yang-Gaudin model show that their spectrum resembles yrast dispersion relation of the Lieb-Liniger model which in turn matches the dark soliton "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.12103","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":"2026-05-18T00:07:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CrDUlnX3tpnR4RXiVTuwEflaUsjfDORliz/v1+l6REdTtV6C5jZu4UHRJNPjSeSaUeFA3cWxhxNohWJ901MsDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T01:00:35.257398Z"},"content_sha256":"5367675aef767d4a61d3b8f868de9f1ec1b4c63d5344b36a34d7921f4dce2524","schema_version":"1.0","event_id":"sha256:5367675aef767d4a61d3b8f868de9f1ec1b4c63d5344b36a34d7921f4dce2524"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IHBNPBWXG5ASOSUUVKRPGIYNUN/bundle.json","state_url":"https://pith.science/pith/IHBNPBWXG5ASOSUUVKRPGIYNUN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IHBNPBWXG5ASOSUUVKRPGIYNUN/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":"2026-06-12T01:00:35Z","links":{"resolver":"https://pith.science/pith/IHBNPBWXG5ASOSUUVKRPGIYNUN","bundle":"https://pith.science/pith/IHBNPBWXG5ASOSUUVKRPGIYNUN/bundle.json","state":"https://pith.science/pith/IHBNPBWXG5ASOSUUVKRPGIYNUN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IHBNPBWXG5ASOSUUVKRPGIYNUN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IHBNPBWXG5ASOSUUVKRPGIYNUN","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":"2ff8d9aeb6bb66db6528789d3c221b28c49f2cec39083f99610c55055f21baa2","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-05-30T17:46:00Z","title_canon_sha256":"8e14f3a3be5771656be1fdfd38cd27d8471ded8b9ed430a12552a60abb3e645b"},"schema_version":"1.0","source":{"id":"1805.12103","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.12103","created_at":"2026-05-18T00:07:49Z"},{"alias_kind":"arxiv_version","alias_value":"1805.12103v2","created_at":"2026-05-18T00:07:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.12103","created_at":"2026-05-18T00:07:49Z"},{"alias_kind":"pith_short_12","alias_value":"IHBNPBWXG5AS","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"IHBNPBWXG5ASOSUU","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"IHBNPBWX","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:5367675aef767d4a61d3b8f868de9f1ec1b4c63d5344b36a34d7921f4dce2524","target":"graph","created_at":"2026-05-18T00:07:49Z","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":"The two-component Fermi gas with contact attractive interactions between different spin components can be described by the Yang-Gaudin model. Applying the Bethe ansatz approach, one finds analytical formulae for the system eigenstates that are uniquely parametrized by the solutions of the corresponding Bethe equations. Recent numerical studies of the so-called yrast eigenstates, i.e. lowest energy eigenstates at a given non-zero total momentum, in the Yang-Gaudin model show that their spectrum resembles yrast dispersion relation of the Lieb-Liniger model which in turn matches the dark soliton ","authors_text":"Andrzej Syrwid, Dominique Delande, Krzysztof Sacha","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-05-30T17:46:00Z","title":"Emergence of dark soliton signatures in a one-dimensional unpolarized attractive Fermi gas on a ring"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.12103","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":"sha256:0745b9e1ecff2956ab3109c09bbc976c92a2b9113c0c54fc14f78690d3078403","target":"record","created_at":"2026-05-18T00:07:49Z","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":"2ff8d9aeb6bb66db6528789d3c221b28c49f2cec39083f99610c55055f21baa2","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-05-30T17:46:00Z","title_canon_sha256":"8e14f3a3be5771656be1fdfd38cd27d8471ded8b9ed430a12552a60abb3e645b"},"schema_version":"1.0","source":{"id":"1805.12103","kind":"arxiv","version":2}},"canonical_sha256":"41c2d786d73741274a94aaa2f3230da349482a85a5ca2b07f32575c6c1a86c23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41c2d786d73741274a94aaa2f3230da349482a85a5ca2b07f32575c6c1a86c23","first_computed_at":"2026-05-18T00:07:49.356182Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:49.356182Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hSHk+M8IjNiLEOiQFRf6ultlLWIxs1EW61hkNifZj5bKaPPB0MHnKpD6Dec+/atqS9WejGAfrciWaTISTwsVDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:49.356912Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.12103","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0745b9e1ecff2956ab3109c09bbc976c92a2b9113c0c54fc14f78690d3078403","sha256:5367675aef767d4a61d3b8f868de9f1ec1b4c63d5344b36a34d7921f4dce2524"],"state_sha256":"f6d95040308dd417d9d05c4d5c107cc89dabb215cc0c8fbdfd9320237129c710"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LSJStvqR4zFVfHY8hVJGJipb2pNIqe4Hig87HJZfxB7H0ppKe3Og6naSS8l7bSXmDuYOSM3nx76xGq4bR+vfBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T01:00:35.261711Z","bundle_sha256":"161db257265161971f344e49cbf6ebdaa0d92f8cd43751c7564d416af2e9556d"}}