{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:UATJAVWM2DS4ZSO6ELNTUE2VMC","short_pith_number":"pith:UATJAVWM","canonical_record":{"source":{"id":"1405.7588","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-05-29T15:28:56Z","cross_cats_sorted":[],"title_canon_sha256":"51dca12e95f1783024ac655de8f7d2e30fecae3d9ac65ff20c2fe30e4dffdace","abstract_canon_sha256":"17205ebff284ca1599e5960073e884e6599fdedb01b8972178f746f77b4bc83c"},"schema_version":"1.0"},"canonical_sha256":"a0269056ccd0e5ccc9de22db3a135560a553f542c95925c860223aa911844599","source":{"kind":"arxiv","id":"1405.7588","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.7588","created_at":"2026-05-18T02:32:53Z"},{"alias_kind":"arxiv_version","alias_value":"1405.7588v2","created_at":"2026-05-18T02:32:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.7588","created_at":"2026-05-18T02:32:53Z"},{"alias_kind":"pith_short_12","alias_value":"UATJAVWM2DS4","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UATJAVWM2DS4ZSO6","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UATJAVWM","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:UATJAVWM2DS4ZSO6ELNTUE2VMC","target":"record","payload":{"canonical_record":{"source":{"id":"1405.7588","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-05-29T15:28:56Z","cross_cats_sorted":[],"title_canon_sha256":"51dca12e95f1783024ac655de8f7d2e30fecae3d9ac65ff20c2fe30e4dffdace","abstract_canon_sha256":"17205ebff284ca1599e5960073e884e6599fdedb01b8972178f746f77b4bc83c"},"schema_version":"1.0"},"canonical_sha256":"a0269056ccd0e5ccc9de22db3a135560a553f542c95925c860223aa911844599","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:53.886688Z","signature_b64":"TbYNijRtVASO2aPVy9tD5O0pJIDewcLwCIB7THiEkZqIYfy42E/rjz0dKT/8qMtqQJq33g8deYX5Vf52RKmXBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a0269056ccd0e5ccc9de22db3a135560a553f542c95925c860223aa911844599","last_reissued_at":"2026-05-18T02:32:53.886300Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:53.886300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.7588","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":"2026-05-18T02:32:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zHU4sIKT6x50wP3/i7YWKSY96sWH0aNOUO04dzIGSIFKtHt1lfKOMfO5Qcu52v9Vp1MAD23/ThG/QAu/7rqZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T05:10:37.153162Z"},"content_sha256":"4ed08bd800c9b140198fd8662a3118ed9d2d7726630b9aef555a11462e98976a","schema_version":"1.0","event_id":"sha256:4ed08bd800c9b140198fd8662a3118ed9d2d7726630b9aef555a11462e98976a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:UATJAVWM2DS4ZSO6ELNTUE2VMC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fixed-node diffusion Monte Carlo study of the BCS-BEC crossover in a bilayer system of fermionic dipoles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Natalia Matveeva, Stefano Giorgini","submitted_at":"2014-05-29T15:28:56Z","abstract_excerpt":"We investigate the BCS-BEC crossover in a bilayer system of fermionic dipoles at zero temperature using the fixed-node diffusion Monte Carlo technique. The dipoles are confined on two parallel planes separated by a distance $\\lambda$ and are aligned perpendicular to the planes by an external field. The interlayer pairing, which is responsible for the superfluid behavior of the system, crosses from a weak to a strong-coupling regime by reducing the separation distance $\\lambda$. For a fixed in-plane density, equal in the two layers, we calculate the ground-state energy, the chemical potential, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.7588","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":"2026-05-18T02:32:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iF3Bd4fhUunWFZyMyEymTT7hhkl/05i2HGasmBg9W4mKWabjkJq+RxI/cVXPp01XHyxijcYDCGcTq7sNHoAYBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T05:10:37.153531Z"},"content_sha256":"d890204757d7a73988ae5a4045e5b58819ca5e5125b00a59430e6370ebf6cde6","schema_version":"1.0","event_id":"sha256:d890204757d7a73988ae5a4045e5b58819ca5e5125b00a59430e6370ebf6cde6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UATJAVWM2DS4ZSO6ELNTUE2VMC/bundle.json","state_url":"https://pith.science/pith/UATJAVWM2DS4ZSO6ELNTUE2VMC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UATJAVWM2DS4ZSO6ELNTUE2VMC/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":"2026-06-20T05:10:37Z","links":{"resolver":"https://pith.science/pith/UATJAVWM2DS4ZSO6ELNTUE2VMC","bundle":"https://pith.science/pith/UATJAVWM2DS4ZSO6ELNTUE2VMC/bundle.json","state":"https://pith.science/pith/UATJAVWM2DS4ZSO6ELNTUE2VMC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UATJAVWM2DS4ZSO6ELNTUE2VMC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UATJAVWM2DS4ZSO6ELNTUE2VMC","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":"17205ebff284ca1599e5960073e884e6599fdedb01b8972178f746f77b4bc83c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-05-29T15:28:56Z","title_canon_sha256":"51dca12e95f1783024ac655de8f7d2e30fecae3d9ac65ff20c2fe30e4dffdace"},"schema_version":"1.0","source":{"id":"1405.7588","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.7588","created_at":"2026-05-18T02:32:53Z"},{"alias_kind":"arxiv_version","alias_value":"1405.7588v2","created_at":"2026-05-18T02:32:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.7588","created_at":"2026-05-18T02:32:53Z"},{"alias_kind":"pith_short_12","alias_value":"UATJAVWM2DS4","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UATJAVWM2DS4ZSO6","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UATJAVWM","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:d890204757d7a73988ae5a4045e5b58819ca5e5125b00a59430e6370ebf6cde6","target":"graph","created_at":"2026-05-18T02:32:53Z","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 investigate the BCS-BEC crossover in a bilayer system of fermionic dipoles at zero temperature using the fixed-node diffusion Monte Carlo technique. The dipoles are confined on two parallel planes separated by a distance $\\lambda$ and are aligned perpendicular to the planes by an external field. The interlayer pairing, which is responsible for the superfluid behavior of the system, crosses from a weak to a strong-coupling regime by reducing the separation distance $\\lambda$. For a fixed in-plane density, equal in the two layers, we calculate the ground-state energy, the chemical potential, ","authors_text":"Natalia Matveeva, Stefano Giorgini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-05-29T15:28:56Z","title":"Fixed-node diffusion Monte Carlo study of the BCS-BEC crossover in a bilayer system of fermionic dipoles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.7588","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":"sha256:4ed08bd800c9b140198fd8662a3118ed9d2d7726630b9aef555a11462e98976a","target":"record","created_at":"2026-05-18T02:32:53Z","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":"17205ebff284ca1599e5960073e884e6599fdedb01b8972178f746f77b4bc83c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2014-05-29T15:28:56Z","title_canon_sha256":"51dca12e95f1783024ac655de8f7d2e30fecae3d9ac65ff20c2fe30e4dffdace"},"schema_version":"1.0","source":{"id":"1405.7588","kind":"arxiv","version":2}},"canonical_sha256":"a0269056ccd0e5ccc9de22db3a135560a553f542c95925c860223aa911844599","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a0269056ccd0e5ccc9de22db3a135560a553f542c95925c860223aa911844599","first_computed_at":"2026-05-18T02:32:53.886300Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:32:53.886300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TbYNijRtVASO2aPVy9tD5O0pJIDewcLwCIB7THiEkZqIYfy42E/rjz0dKT/8qMtqQJq33g8deYX5Vf52RKmXBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:32:53.886688Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.7588","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ed08bd800c9b140198fd8662a3118ed9d2d7726630b9aef555a11462e98976a","sha256:d890204757d7a73988ae5a4045e5b58819ca5e5125b00a59430e6370ebf6cde6"],"state_sha256":"194d54a2d0c6af800157bb398a12fd30934f46f5ad600a2c4d08f1e57326764a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"063fcYg+Jp2LoED8nN/KQKVKMXT9u3UmQ3L+j6trJEumpBt5YnJwiPCvpdKyKAhRMIx2ZLdiMjcSXb6E+vvLCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T05:10:37.155518Z","bundle_sha256":"ca3d7e1f840c8293a051e118f0fc411146a7ab0062c3516c04a774f358505f7a"}}