{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:36EODOZ4ZPLDJ7VKFBZRUAYKD3","short_pith_number":"pith:36EODOZ4","canonical_record":{"source":{"id":"1304.6831","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-04-25T08:40:57Z","cross_cats_sorted":[],"title_canon_sha256":"eb0a33faef03dcf92cbc85070b2bb7227eec43a7687b08d6816156892bda0d10","abstract_canon_sha256":"585157d4bc4aab074fac1c39e76c849f46e3957283e41dbe377636979c20f8ea"},"schema_version":"1.0"},"canonical_sha256":"df88e1bb3ccbd634feaa28731a030a1ed83630a88c5c1c6b33a95c09f49dd95b","source":{"kind":"arxiv","id":"1304.6831","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.6831","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"1304.6831v1","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6831","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"36EODOZ4ZPLD","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"36EODOZ4ZPLDJ7VK","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"36EODOZ4","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:36EODOZ4ZPLDJ7VKFBZRUAYKD3","target":"record","payload":{"canonical_record":{"source":{"id":"1304.6831","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-04-25T08:40:57Z","cross_cats_sorted":[],"title_canon_sha256":"eb0a33faef03dcf92cbc85070b2bb7227eec43a7687b08d6816156892bda0d10","abstract_canon_sha256":"585157d4bc4aab074fac1c39e76c849f46e3957283e41dbe377636979c20f8ea"},"schema_version":"1.0"},"canonical_sha256":"df88e1bb3ccbd634feaa28731a030a1ed83630a88c5c1c6b33a95c09f49dd95b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:22.044673Z","signature_b64":"4G5VufE/55FF1y6eUYTciVnOuQ46RFpV7yOS9n14i4L4F5SLYSEtHHz2kJbg6/a4DhtT9H1CwjzHVpL6NmqxDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df88e1bb3ccbd634feaa28731a030a1ed83630a88c5c1c6b33a95c09f49dd95b","last_reissued_at":"2026-05-18T01:50:22.043914Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:22.043914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.6831","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":"2026-05-18T01:50:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QJ0NVMRrF5Ba2+hzfzanHO2b3GwJYY7qvrgLB2YUlM8tuOy4Afr4abi3Z2Uv50al9HH8N24BWAfMSOGDoHFpDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T12:45:09.321202Z"},"content_sha256":"10856230dca2c013f5010a48430f2de7bfcf547c8e66e54f7c409d84d49c51a8","schema_version":"1.0","event_id":"sha256:10856230dca2c013f5010a48430f2de7bfcf547c8e66e54f7c409d84d49c51a8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:36EODOZ4ZPLDJ7VKFBZRUAYKD3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamic structure function of a cold Fermi gas at unitarity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"E. Krotscheck, G. E. Astrakharchik, J. Boronat, T. Lichtenegger","submitted_at":"2013-04-25T08:40:57Z","abstract_excerpt":"We present a theoretical study of the dynamic structure function of a resonantly interacting two-component Fermi gas at zero temperature. Our approach is based on dynamic many-body theory able to describe excitations in strongly correlated Fermi systems. The fixed-node diffusion Monte Carlo method is used to produce the ground-state correlation functions which are used as an input for the excitation theory. Our approach reproduces recent Bragg scattering data in both the density and the spin channel. In the BCS regime, the response is close to that of the ideal Fermi gas. On the BEC side, the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6831","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":"2026-05-18T01:50:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gExKruXFrn4CTGDqFnDYl194JqnYalFfxMQWS7bNLenfBnVeLoaBGtBSR/OyETpvakLA9PvGR1mCR0pstSFgCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T12:45:09.321563Z"},"content_sha256":"9d7e78cef9593f48202d0e4374089a2897d9efff2ceaa304b729d61fa2bc7497","schema_version":"1.0","event_id":"sha256:9d7e78cef9593f48202d0e4374089a2897d9efff2ceaa304b729d61fa2bc7497"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/36EODOZ4ZPLDJ7VKFBZRUAYKD3/bundle.json","state_url":"https://pith.science/pith/36EODOZ4ZPLDJ7VKFBZRUAYKD3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/36EODOZ4ZPLDJ7VKFBZRUAYKD3/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":"2026-06-04T12:45:09Z","links":{"resolver":"https://pith.science/pith/36EODOZ4ZPLDJ7VKFBZRUAYKD3","bundle":"https://pith.science/pith/36EODOZ4ZPLDJ7VKFBZRUAYKD3/bundle.json","state":"https://pith.science/pith/36EODOZ4ZPLDJ7VKFBZRUAYKD3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/36EODOZ4ZPLDJ7VKFBZRUAYKD3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:36EODOZ4ZPLDJ7VKFBZRUAYKD3","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":"585157d4bc4aab074fac1c39e76c849f46e3957283e41dbe377636979c20f8ea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-04-25T08:40:57Z","title_canon_sha256":"eb0a33faef03dcf92cbc85070b2bb7227eec43a7687b08d6816156892bda0d10"},"schema_version":"1.0","source":{"id":"1304.6831","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.6831","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"1304.6831v1","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6831","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"36EODOZ4ZPLD","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"36EODOZ4ZPLDJ7VK","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"36EODOZ4","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:9d7e78cef9593f48202d0e4374089a2897d9efff2ceaa304b729d61fa2bc7497","target":"graph","created_at":"2026-05-18T01:50:22Z","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 a theoretical study of the dynamic structure function of a resonantly interacting two-component Fermi gas at zero temperature. Our approach is based on dynamic many-body theory able to describe excitations in strongly correlated Fermi systems. The fixed-node diffusion Monte Carlo method is used to produce the ground-state correlation functions which are used as an input for the excitation theory. Our approach reproduces recent Bragg scattering data in both the density and the spin channel. In the BCS regime, the response is close to that of the ideal Fermi gas. On the BEC side, the ","authors_text":"E. Krotscheck, G. E. Astrakharchik, J. Boronat, T. Lichtenegger","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-04-25T08:40:57Z","title":"Dynamic structure function of a cold Fermi gas at unitarity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6831","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":"sha256:10856230dca2c013f5010a48430f2de7bfcf547c8e66e54f7c409d84d49c51a8","target":"record","created_at":"2026-05-18T01:50:22Z","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":"585157d4bc4aab074fac1c39e76c849f46e3957283e41dbe377636979c20f8ea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-04-25T08:40:57Z","title_canon_sha256":"eb0a33faef03dcf92cbc85070b2bb7227eec43a7687b08d6816156892bda0d10"},"schema_version":"1.0","source":{"id":"1304.6831","kind":"arxiv","version":1}},"canonical_sha256":"df88e1bb3ccbd634feaa28731a030a1ed83630a88c5c1c6b33a95c09f49dd95b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df88e1bb3ccbd634feaa28731a030a1ed83630a88c5c1c6b33a95c09f49dd95b","first_computed_at":"2026-05-18T01:50:22.043914Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:22.043914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4G5VufE/55FF1y6eUYTciVnOuQ46RFpV7yOS9n14i4L4F5SLYSEtHHz2kJbg6/a4DhtT9H1CwjzHVpL6NmqxDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:22.044673Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.6831","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:10856230dca2c013f5010a48430f2de7bfcf547c8e66e54f7c409d84d49c51a8","sha256:9d7e78cef9593f48202d0e4374089a2897d9efff2ceaa304b729d61fa2bc7497"],"state_sha256":"9bc2f01f81a85fe8872224f1c303b704fb8b85b270f5dacc905e4f501c40c6c7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mb6PxXkSdSu4XUrHBPCr1QdfHKpZ8JV93K40JKVZ/4WugxkMLtHyh7sASM9qV5n969HYah2LBoA/ZPQdzInfCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T12:45:09.323456Z","bundle_sha256":"111eeedb541111642e27faa899938f3b1a6294acfa5af5fafd434e9b4606599c"}}