{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:RQ5XG6M3WPUJ43ZVV3QXDDMNGE","short_pith_number":"pith:RQ5XG6M3","canonical_record":{"source":{"id":"1906.08582","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-06-20T12:49:00Z","cross_cats_sorted":[],"title_canon_sha256":"fd7df67ff3f208b6f3a93d2398dee3f58f351ddb6083867baeb5d9b5edf3be8f","abstract_canon_sha256":"e3f38c1adc665fdfae8dbc40158d00a4519263a63f068bb0214d8065d13aff5c"},"schema_version":"1.0"},"canonical_sha256":"8c3b73799bb3e89e6f35aee1718d8d311956f39d41f24c574e4bbc75ec4e8883","source":{"kind":"arxiv","id":"1906.08582","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.08582","created_at":"2026-05-17T23:42:52Z"},{"alias_kind":"arxiv_version","alias_value":"1906.08582v1","created_at":"2026-05-17T23:42:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.08582","created_at":"2026-05-17T23:42:52Z"},{"alias_kind":"pith_short_12","alias_value":"RQ5XG6M3WPUJ","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RQ5XG6M3WPUJ43ZV","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RQ5XG6M3","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:RQ5XG6M3WPUJ43ZVV3QXDDMNGE","target":"record","payload":{"canonical_record":{"source":{"id":"1906.08582","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-06-20T12:49:00Z","cross_cats_sorted":[],"title_canon_sha256":"fd7df67ff3f208b6f3a93d2398dee3f58f351ddb6083867baeb5d9b5edf3be8f","abstract_canon_sha256":"e3f38c1adc665fdfae8dbc40158d00a4519263a63f068bb0214d8065d13aff5c"},"schema_version":"1.0"},"canonical_sha256":"8c3b73799bb3e89e6f35aee1718d8d311956f39d41f24c574e4bbc75ec4e8883","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:52.021832Z","signature_b64":"1MQcnjxSbSIvW1aSmZXD9Cc9UkI0dZmEkzaHrzQ/gRnsqAqegcJBrkE+D7ORZO0+d7mO2Wu6eKWjSpE5kPjtDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c3b73799bb3e89e6f35aee1718d8d311956f39d41f24c574e4bbc75ec4e8883","last_reissued_at":"2026-05-17T23:42:52.021351Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:52.021351Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.08582","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":"2026-05-17T23:42:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ov9NEAczsH8nsCIgtB3YlDERJ3QWWYofNOzXgNe4n2DCuzNGu08E074QfzFMPl61QNTq/HsPMW7XyeiqDb2LCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:38:28.714778Z"},"content_sha256":"68c7a713b6fbc0ab26d7bb2930a0b35b8950c3b78885ef409e8fbd6fef0a0125","schema_version":"1.0","event_id":"sha256:68c7a713b6fbc0ab26d7bb2930a0b35b8950c3b78885ef409e8fbd6fef0a0125"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:RQ5XG6M3WPUJ43ZVV3QXDDMNGE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Crossover from two-dimensional to three-dimensional superconducting states in bismuth-based cuprate superconductor","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Aiguo Li, Cheng Huang, Chongli Yang, Genda Gu, Gongchang Lin, Jing Guo, Ke Yang, Liling Sun, Qi Wu, Shu Cai, Tao Xiang, Yazhou Zhou, Yutao Sheng","submitted_at":"2019-06-20T12:49:00Z","abstract_excerpt":"To decipher the mechanism of high temperature superconductivity, it is important to know how the superconducting pairing emerges from the unusual normal states of cuprate superconductors, including pseudogap, anomalous Fermi liquid and strange metal (SM). A long-standing issue under debate is how the superconducting pairing is formed and condensed in the SM phase because the superconducting transition temperature is the highest in this phase. Here, we report the first experimental observation of a pressure-induced crossover from two- to three-dimensional superconducting states in the optimally"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.08582","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":"2026-05-17T23:42:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LR9wZPvYzn54l1l483KzDOG9J4eNVz6aWpxlxYeqKc+YSWbosnM8vgT29TbEhqNMtV6pBc/iTOVEaqjs67MQAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:38:28.715667Z"},"content_sha256":"c09b723ec6ed887d0f3ab115ccbb4ca5031ce63f61bf7edb2b6d2f8b75210592","schema_version":"1.0","event_id":"sha256:c09b723ec6ed887d0f3ab115ccbb4ca5031ce63f61bf7edb2b6d2f8b75210592"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RQ5XG6M3WPUJ43ZVV3QXDDMNGE/bundle.json","state_url":"https://pith.science/pith/RQ5XG6M3WPUJ43ZVV3QXDDMNGE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RQ5XG6M3WPUJ43ZVV3QXDDMNGE/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":"2026-06-07T17:38:28Z","links":{"resolver":"https://pith.science/pith/RQ5XG6M3WPUJ43ZVV3QXDDMNGE","bundle":"https://pith.science/pith/RQ5XG6M3WPUJ43ZVV3QXDDMNGE/bundle.json","state":"https://pith.science/pith/RQ5XG6M3WPUJ43ZVV3QXDDMNGE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RQ5XG6M3WPUJ43ZVV3QXDDMNGE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RQ5XG6M3WPUJ43ZVV3QXDDMNGE","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":"e3f38c1adc665fdfae8dbc40158d00a4519263a63f068bb0214d8065d13aff5c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-06-20T12:49:00Z","title_canon_sha256":"fd7df67ff3f208b6f3a93d2398dee3f58f351ddb6083867baeb5d9b5edf3be8f"},"schema_version":"1.0","source":{"id":"1906.08582","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.08582","created_at":"2026-05-17T23:42:52Z"},{"alias_kind":"arxiv_version","alias_value":"1906.08582v1","created_at":"2026-05-17T23:42:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.08582","created_at":"2026-05-17T23:42:52Z"},{"alias_kind":"pith_short_12","alias_value":"RQ5XG6M3WPUJ","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"RQ5XG6M3WPUJ43ZV","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"RQ5XG6M3","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:c09b723ec6ed887d0f3ab115ccbb4ca5031ce63f61bf7edb2b6d2f8b75210592","target":"graph","created_at":"2026-05-17T23:42:52Z","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":"To decipher the mechanism of high temperature superconductivity, it is important to know how the superconducting pairing emerges from the unusual normal states of cuprate superconductors, including pseudogap, anomalous Fermi liquid and strange metal (SM). A long-standing issue under debate is how the superconducting pairing is formed and condensed in the SM phase because the superconducting transition temperature is the highest in this phase. Here, we report the first experimental observation of a pressure-induced crossover from two- to three-dimensional superconducting states in the optimally","authors_text":"Aiguo Li, Cheng Huang, Chongli Yang, Genda Gu, Gongchang Lin, Jing Guo, Ke Yang, Liling Sun, Qi Wu, Shu Cai, Tao Xiang, Yazhou Zhou, Yutao Sheng","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-06-20T12:49:00Z","title":"Crossover from two-dimensional to three-dimensional superconducting states in bismuth-based cuprate superconductor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.08582","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":"sha256:68c7a713b6fbc0ab26d7bb2930a0b35b8950c3b78885ef409e8fbd6fef0a0125","target":"record","created_at":"2026-05-17T23:42:52Z","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":"e3f38c1adc665fdfae8dbc40158d00a4519263a63f068bb0214d8065d13aff5c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-06-20T12:49:00Z","title_canon_sha256":"fd7df67ff3f208b6f3a93d2398dee3f58f351ddb6083867baeb5d9b5edf3be8f"},"schema_version":"1.0","source":{"id":"1906.08582","kind":"arxiv","version":1}},"canonical_sha256":"8c3b73799bb3e89e6f35aee1718d8d311956f39d41f24c574e4bbc75ec4e8883","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c3b73799bb3e89e6f35aee1718d8d311956f39d41f24c574e4bbc75ec4e8883","first_computed_at":"2026-05-17T23:42:52.021351Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:52.021351Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1MQcnjxSbSIvW1aSmZXD9Cc9UkI0dZmEkzaHrzQ/gRnsqAqegcJBrkE+D7ORZO0+d7mO2Wu6eKWjSpE5kPjtDg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:52.021832Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.08582","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68c7a713b6fbc0ab26d7bb2930a0b35b8950c3b78885ef409e8fbd6fef0a0125","sha256:c09b723ec6ed887d0f3ab115ccbb4ca5031ce63f61bf7edb2b6d2f8b75210592"],"state_sha256":"0ba77696ec12612aeee923765f66654f9d17af9122da8f96cfbb62f3fa108fa9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GdH4uyRFG3Bmyj2MFas9tkfhMMDNcuOfKizQenJEgOHquKSwiex8I87CWQC24wocc9SbvocTE5TtzBeTShCFCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T17:38:28.719343Z","bundle_sha256":"7da81c7d39848b105ae380e3e57c5ae0e603b11c402b12147eaf9431657a028a"}}