{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:U6VT2GFEQUZENOJALWVOGFVOMX","short_pith_number":"pith:U6VT2GFE","canonical_record":{"source":{"id":"1908.04288","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-08-12T17:58:38Z","cross_cats_sorted":["nucl-th","physics.atm-clus"],"title_canon_sha256":"7a061ae740182949158ec37e4461072f2b82aeca6b5fd58b363ee3b0f77e71dc","abstract_canon_sha256":"fb051a6634c60a764c9e4a0d4872ae4b371712cb16fdc8aa0b5d1f7ec591380a"},"schema_version":"1.0"},"canonical_sha256":"a7ab3d18a4853246b9205daae316ae65efb8bf8bfccbef2956517b9f7213c36b","source":{"kind":"arxiv","id":"1908.04288","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04288","created_at":"2026-07-05T00:55:17Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04288v2","created_at":"2026-07-05T00:55:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04288","created_at":"2026-07-05T00:55:17Z"},{"alias_kind":"pith_short_12","alias_value":"U6VT2GFEQUZE","created_at":"2026-07-05T00:55:17Z"},{"alias_kind":"pith_short_16","alias_value":"U6VT2GFEQUZENOJA","created_at":"2026-07-05T00:55:17Z"},{"alias_kind":"pith_short_8","alias_value":"U6VT2GFE","created_at":"2026-07-05T00:55:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:U6VT2GFEQUZENOJALWVOGFVOMX","target":"record","payload":{"canonical_record":{"source":{"id":"1908.04288","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-08-12T17:58:38Z","cross_cats_sorted":["nucl-th","physics.atm-clus"],"title_canon_sha256":"7a061ae740182949158ec37e4461072f2b82aeca6b5fd58b363ee3b0f77e71dc","abstract_canon_sha256":"fb051a6634c60a764c9e4a0d4872ae4b371712cb16fdc8aa0b5d1f7ec591380a"},"schema_version":"1.0"},"canonical_sha256":"a7ab3d18a4853246b9205daae316ae65efb8bf8bfccbef2956517b9f7213c36b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:55:17.771363Z","signature_b64":"ikhgk+q6yc8jySbxt6BnFf9ebqMlJ0EGBrv01KylH2JbmOIE1Hhy7XxPJyGEjMllpGCPYCfM6dSLoyNDXk+0Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7ab3d18a4853246b9205daae316ae65efb8bf8bfccbef2956517b9f7213c36b","last_reissued_at":"2026-07-05T00:55:17.770912Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:55:17.770912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.04288","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":"2026-07-05T00:55:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bkCIYV//CZctK0ZKqYtW1h0u4sOwJJJqfLBQN9Zq4ijMOsK6DOpmYKyLPsIC9/dbubG9SWJgufloQ74z+5w+DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T02:55:33.985298Z"},"content_sha256":"086e571305dbcfe3edfa93ef0aa7924d234a0fd1796f6daffbb2ee5137286bd7","schema_version":"1.0","event_id":"sha256:086e571305dbcfe3edfa93ef0aa7924d234a0fd1796f6daffbb2ee5137286bd7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:U6VT2GFEQUZENOJALWVOGFVOMX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Clustering of Four-Component Unitary Fermions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th","physics.atm-clus"],"primary_cat":"cond-mat.quant-gas","authors_text":"Alexandros Gezerlis, J. Carlson, U. van Kolck, William G. Dawkins","submitted_at":"2019-08-12T17:58:38Z","abstract_excerpt":"Ab initio nuclear physics tackles the problem of strongly interacting four-component fermions. The same setting could foreseeably be probed experimentally in ultracold atomic systems, where two- and three-component experiments have led to major breakthroughs in recent years. Both due to the problem's inherent interest and as a pathway to nuclear physics, in this Letter we study four-component fermions at unitarity via the use of quantum Monte Carlo methods. We explore novel forms of the trial wave function and find one which leads to a ground state of the eight-particle system whose energy is "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04288","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.04288/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:55:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xH0xKzqJUFYIdzWpvHavlzDZg4EJGmW8V5B41hiNmMvLq8SEFNUPYpx+6sRR0T4OPCt3cBvCWdYVUoX4RjF9Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T02:55:33.986282Z"},"content_sha256":"d9923ac61bedc9739a4eeb311dadf3f20dd5d86c1da42a8854579d2afa3b862f","schema_version":"1.0","event_id":"sha256:d9923ac61bedc9739a4eeb311dadf3f20dd5d86c1da42a8854579d2afa3b862f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U6VT2GFEQUZENOJALWVOGFVOMX/bundle.json","state_url":"https://pith.science/pith/U6VT2GFEQUZENOJALWVOGFVOMX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U6VT2GFEQUZENOJALWVOGFVOMX/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":"2026-08-11T02:55:34Z","links":{"resolver":"https://pith.science/pith/U6VT2GFEQUZENOJALWVOGFVOMX","bundle":"https://pith.science/pith/U6VT2GFEQUZENOJALWVOGFVOMX/bundle.json","state":"https://pith.science/pith/U6VT2GFEQUZENOJALWVOGFVOMX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U6VT2GFEQUZENOJALWVOGFVOMX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:U6VT2GFEQUZENOJALWVOGFVOMX","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":"fb051a6634c60a764c9e4a0d4872ae4b371712cb16fdc8aa0b5d1f7ec591380a","cross_cats_sorted":["nucl-th","physics.atm-clus"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-08-12T17:58:38Z","title_canon_sha256":"7a061ae740182949158ec37e4461072f2b82aeca6b5fd58b363ee3b0f77e71dc"},"schema_version":"1.0","source":{"id":"1908.04288","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04288","created_at":"2026-07-05T00:55:17Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04288v2","created_at":"2026-07-05T00:55:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04288","created_at":"2026-07-05T00:55:17Z"},{"alias_kind":"pith_short_12","alias_value":"U6VT2GFEQUZE","created_at":"2026-07-05T00:55:17Z"},{"alias_kind":"pith_short_16","alias_value":"U6VT2GFEQUZENOJA","created_at":"2026-07-05T00:55:17Z"},{"alias_kind":"pith_short_8","alias_value":"U6VT2GFE","created_at":"2026-07-05T00:55:17Z"}],"graph_snapshots":[{"event_id":"sha256:d9923ac61bedc9739a4eeb311dadf3f20dd5d86c1da42a8854579d2afa3b862f","target":"graph","created_at":"2026-07-05T00:55:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1908.04288/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Ab initio nuclear physics tackles the problem of strongly interacting four-component fermions. The same setting could foreseeably be probed experimentally in ultracold atomic systems, where two- and three-component experiments have led to major breakthroughs in recent years. Both due to the problem's inherent interest and as a pathway to nuclear physics, in this Letter we study four-component fermions at unitarity via the use of quantum Monte Carlo methods. We explore novel forms of the trial wave function and find one which leads to a ground state of the eight-particle system whose energy is ","authors_text":"Alexandros Gezerlis, J. Carlson, U. van Kolck, William G. Dawkins","cross_cats":["nucl-th","physics.atm-clus"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-08-12T17:58:38Z","title":"Clustering of Four-Component Unitary Fermions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04288","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":"sha256:086e571305dbcfe3edfa93ef0aa7924d234a0fd1796f6daffbb2ee5137286bd7","target":"record","created_at":"2026-07-05T00:55:17Z","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":"fb051a6634c60a764c9e4a0d4872ae4b371712cb16fdc8aa0b5d1f7ec591380a","cross_cats_sorted":["nucl-th","physics.atm-clus"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2019-08-12T17:58:38Z","title_canon_sha256":"7a061ae740182949158ec37e4461072f2b82aeca6b5fd58b363ee3b0f77e71dc"},"schema_version":"1.0","source":{"id":"1908.04288","kind":"arxiv","version":2}},"canonical_sha256":"a7ab3d18a4853246b9205daae316ae65efb8bf8bfccbef2956517b9f7213c36b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7ab3d18a4853246b9205daae316ae65efb8bf8bfccbef2956517b9f7213c36b","first_computed_at":"2026-07-05T00:55:17.770912Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:55:17.770912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ikhgk+q6yc8jySbxt6BnFf9ebqMlJ0EGBrv01KylH2JbmOIE1Hhy7XxPJyGEjMllpGCPYCfM6dSLoyNDXk+0Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:55:17.771363Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.04288","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:086e571305dbcfe3edfa93ef0aa7924d234a0fd1796f6daffbb2ee5137286bd7","sha256:d9923ac61bedc9739a4eeb311dadf3f20dd5d86c1da42a8854579d2afa3b862f"],"state_sha256":"cdb955433a5bd87393b85c989b97ee0014c1d3260de1b857d440f5a3de6b3940"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j0ItIP4FHIieZXwGX6ZigIRFeGp4jeuGrQjnXFk6cHTsYFMzZMxfr08rWR8f9Y7DUf0uoClBKgkaItS33rAiCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T02:55:34.046701Z","bundle_sha256":"b692266460a179296091f37871353f729b1cb823af6ae01a23f153105d9a3795"}}