{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:5WVGJLGVTAG6USTSNMRNC6ABWR","short_pith_number":"pith:5WVGJLGV","canonical_record":{"source":{"id":"1608.01829","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-08-05T10:33:00Z","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.str-el"],"title_canon_sha256":"2bac9015fee30e49d4620b3845eaf117daa4b8511e6d89e16087fe73e165053f","abstract_canon_sha256":"2dc6e1ad27b99f313e3f38e6d7c4047664f82563be1d976ed5d03b0824fca7a6"},"schema_version":"1.0"},"canonical_sha256":"edaa64acd5980dea4a726b22d17801b469339f9bc244fcc853ba6b67a544ad79","source":{"kind":"arxiv","id":"1608.01829","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01829","created_at":"2026-05-18T00:54:47Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01829v2","created_at":"2026-05-18T00:54:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01829","created_at":"2026-05-18T00:54:47Z"},{"alias_kind":"pith_short_12","alias_value":"5WVGJLGVTAG6","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5WVGJLGVTAG6USTS","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5WVGJLGV","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:5WVGJLGVTAG6USTSNMRNC6ABWR","target":"record","payload":{"canonical_record":{"source":{"id":"1608.01829","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-08-05T10:33:00Z","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.str-el"],"title_canon_sha256":"2bac9015fee30e49d4620b3845eaf117daa4b8511e6d89e16087fe73e165053f","abstract_canon_sha256":"2dc6e1ad27b99f313e3f38e6d7c4047664f82563be1d976ed5d03b0824fca7a6"},"schema_version":"1.0"},"canonical_sha256":"edaa64acd5980dea4a726b22d17801b469339f9bc244fcc853ba6b67a544ad79","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:47.486544Z","signature_b64":"K0/GqpNYExWXHf0YieYU9W3n9Am9oOZMAXTTRFFyDHh82qPL2i/9ds98zw+vqbIfKSmD5ghEzZxR99ZGfmobDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"edaa64acd5980dea4a726b22d17801b469339f9bc244fcc853ba6b67a544ad79","last_reissued_at":"2026-05-18T00:54:47.485765Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:47.485765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.01829","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":"2026-05-18T00:54:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3bdEpDIb4XP9X/ijuKmyOH25lbribQAlwljDeSS+N6WsvEc+j23uD/ir9cGYkv8KzRJXVOqpX+X+wJBERMjtCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:55:02.748293Z"},"content_sha256":"f47401ab8d7a7467310c24c2ead0a9be41009b44c10f0db5659b91a7cbae962f","schema_version":"1.0","event_id":"sha256:f47401ab8d7a7467310c24c2ead0a9be41009b44c10f0db5659b91a7cbae962f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:5WVGJLGVTAG6USTSNMRNC6ABWR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant superconducting fluctuations in the compensated semimetal FeSe at the BCS-BEC crossover","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"A. Levchenko, A. Shi, C. Meingast, F. Hardy, H. v. L\\\"ohneysen, K. Ishida, R. Kobayashi, S. Kasahara, T. Shibauchi, T. Terashima, T. Watashige, T. Wolf, T. Yamashita, Y. Matsuda, Y. Shimoyama","submitted_at":"2016-08-05T10:33:00Z","abstract_excerpt":"The physics of the crossover between weak-coupling Bardeen-Cooper-Schrieffer (BCS) and strong-coupling Bose-Einstein-condensate (BEC) limits gives a unified framework of quantum bound (superfluid) states of interacting fermions. This crossover has been studied in the ultracold atomic systems, but is extremely difficult to be realized for electrons in solids. Recently, the superconducting semimetal FeSe with a transition temperature $T_{\\rm c}=8.5$ K has been found to be deep inside the BCS-BEC crossover regime. Here we report experimental signatures of preformed Cooper pairing in FeSe below $T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01829","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":"2026-05-18T00:54:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YwJC0zItY/86RD79uzoI7XemPdvgUDT5vPXI9zj0KSi1ztNLFgEHKYIA2ppvONXDe3RfQLMoDbmB6kUWBHB4Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:55:02.748892Z"},"content_sha256":"3ffc385853019913907e6b426b7908dd125de9c4911a2bb3f6f9dfb4df28a494","schema_version":"1.0","event_id":"sha256:3ffc385853019913907e6b426b7908dd125de9c4911a2bb3f6f9dfb4df28a494"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5WVGJLGVTAG6USTSNMRNC6ABWR/bundle.json","state_url":"https://pith.science/pith/5WVGJLGVTAG6USTSNMRNC6ABWR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5WVGJLGVTAG6USTSNMRNC6ABWR/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":"2026-05-26T12:55:02Z","links":{"resolver":"https://pith.science/pith/5WVGJLGVTAG6USTSNMRNC6ABWR","bundle":"https://pith.science/pith/5WVGJLGVTAG6USTSNMRNC6ABWR/bundle.json","state":"https://pith.science/pith/5WVGJLGVTAG6USTSNMRNC6ABWR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5WVGJLGVTAG6USTSNMRNC6ABWR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:5WVGJLGVTAG6USTSNMRNC6ABWR","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":"2dc6e1ad27b99f313e3f38e6d7c4047664f82563be1d976ed5d03b0824fca7a6","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-08-05T10:33:00Z","title_canon_sha256":"2bac9015fee30e49d4620b3845eaf117daa4b8511e6d89e16087fe73e165053f"},"schema_version":"1.0","source":{"id":"1608.01829","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01829","created_at":"2026-05-18T00:54:47Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01829v2","created_at":"2026-05-18T00:54:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01829","created_at":"2026-05-18T00:54:47Z"},{"alias_kind":"pith_short_12","alias_value":"5WVGJLGVTAG6","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5WVGJLGVTAG6USTS","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5WVGJLGV","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:3ffc385853019913907e6b426b7908dd125de9c4911a2bb3f6f9dfb4df28a494","target":"graph","created_at":"2026-05-18T00:54:47Z","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 physics of the crossover between weak-coupling Bardeen-Cooper-Schrieffer (BCS) and strong-coupling Bose-Einstein-condensate (BEC) limits gives a unified framework of quantum bound (superfluid) states of interacting fermions. This crossover has been studied in the ultracold atomic systems, but is extremely difficult to be realized for electrons in solids. Recently, the superconducting semimetal FeSe with a transition temperature $T_{\\rm c}=8.5$ K has been found to be deep inside the BCS-BEC crossover regime. Here we report experimental signatures of preformed Cooper pairing in FeSe below $T","authors_text":"A. Levchenko, A. Shi, C. Meingast, F. Hardy, H. v. L\\\"ohneysen, K. Ishida, R. Kobayashi, S. Kasahara, T. Shibauchi, T. Terashima, T. Watashige, T. Wolf, T. Yamashita, Y. Matsuda, Y. Shimoyama","cross_cats":["cond-mat.quant-gas","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-08-05T10:33:00Z","title":"Giant superconducting fluctuations in the compensated semimetal FeSe at the BCS-BEC crossover"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01829","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:f47401ab8d7a7467310c24c2ead0a9be41009b44c10f0db5659b91a7cbae962f","target":"record","created_at":"2026-05-18T00:54:47Z","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":"2dc6e1ad27b99f313e3f38e6d7c4047664f82563be1d976ed5d03b0824fca7a6","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-08-05T10:33:00Z","title_canon_sha256":"2bac9015fee30e49d4620b3845eaf117daa4b8511e6d89e16087fe73e165053f"},"schema_version":"1.0","source":{"id":"1608.01829","kind":"arxiv","version":2}},"canonical_sha256":"edaa64acd5980dea4a726b22d17801b469339f9bc244fcc853ba6b67a544ad79","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"edaa64acd5980dea4a726b22d17801b469339f9bc244fcc853ba6b67a544ad79","first_computed_at":"2026-05-18T00:54:47.485765Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:47.485765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K0/GqpNYExWXHf0YieYU9W3n9Am9oOZMAXTTRFFyDHh82qPL2i/9ds98zw+vqbIfKSmD5ghEzZxR99ZGfmobDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:47.486544Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.01829","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f47401ab8d7a7467310c24c2ead0a9be41009b44c10f0db5659b91a7cbae962f","sha256:3ffc385853019913907e6b426b7908dd125de9c4911a2bb3f6f9dfb4df28a494"],"state_sha256":"c7750a6234d4c74dac062d1cd0a8f128afb293bc726745e73b17d1379a4ce31a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7WgwBzoyyBntQvUP8TBjFMuZj2efc48DClisIVWyoxPvhfh4Md1rmVpoSEiWhw5wQinbpkTW7ah+aAjrAlFlBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T12:55:02.752229Z","bundle_sha256":"550c2002eacfa98b6b4e09307eba983311bc2927a45da317077348586f70bfa4"}}