{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:Y4PHGMVJAI2NZDAQJGKJ5JYEDY","short_pith_number":"pith:Y4PHGMVJ","canonical_record":{"source":{"id":"1507.01750","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-07T10:56:36Z","cross_cats_sorted":[],"title_canon_sha256":"db2375c5d970fa8b925aa49302a33ccca2af0340fb2fd27461615e0a6b5d988b","abstract_canon_sha256":"cc500ec2f11d67b3faee2f323c3b25f12908730154c5d5456387a5a1ca91de4f"},"schema_version":"1.0"},"canonical_sha256":"c71e7332a90234dc8c1049949ea7041e18af9cf5d1f2d5f8add3ea11f327bec1","source":{"kind":"arxiv","id":"1507.01750","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.01750","created_at":"2026-05-18T01:31:37Z"},{"alias_kind":"arxiv_version","alias_value":"1507.01750v2","created_at":"2026-05-18T01:31:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01750","created_at":"2026-05-18T01:31:37Z"},{"alias_kind":"pith_short_12","alias_value":"Y4PHGMVJAI2N","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"Y4PHGMVJAI2NZDAQ","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"Y4PHGMVJ","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:Y4PHGMVJAI2NZDAQJGKJ5JYEDY","target":"record","payload":{"canonical_record":{"source":{"id":"1507.01750","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-07T10:56:36Z","cross_cats_sorted":[],"title_canon_sha256":"db2375c5d970fa8b925aa49302a33ccca2af0340fb2fd27461615e0a6b5d988b","abstract_canon_sha256":"cc500ec2f11d67b3faee2f323c3b25f12908730154c5d5456387a5a1ca91de4f"},"schema_version":"1.0"},"canonical_sha256":"c71e7332a90234dc8c1049949ea7041e18af9cf5d1f2d5f8add3ea11f327bec1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:31:37.797566Z","signature_b64":"7WHxBSew9G3iPQoBdsDkAXXp3jiVYitJ4OPFzmWmyBpUcZsH3OFrrxT+xYScYyra6xdDAzRwGbXzSWXmUo7SCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c71e7332a90234dc8c1049949ea7041e18af9cf5d1f2d5f8add3ea11f327bec1","last_reissued_at":"2026-05-18T01:31:37.797040Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:31:37.797040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.01750","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":"2026-05-18T01:31:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZO+Xv0x43mpJBa1MSNU+Dk/PK4NJhSqgfFC6JBkzNdAnQLHGMBviRfQdBbvYIPdw35ePjZaKxtQFXijocFEYBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:26:12.289135Z"},"content_sha256":"f6c91b3ba8efbc6deaca9d5bf21637a7a6682b4dc30caebadd3ff2ee5e0e1334","schema_version":"1.0","event_id":"sha256:f6c91b3ba8efbc6deaca9d5bf21637a7a6682b4dc30caebadd3ff2ee5e0e1334"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:Y4PHGMVJAI2NZDAQJGKJ5JYEDY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New Superconductivity Dome in LaFeAsO$_{1-x}$F$_{x}$ Accompanied by Structural Transition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Guo-qing Zheng, H. X. Yang, J. Q. Li, J. Yang, L. L. Wei, R. Zhou, Z. X. Zhao","submitted_at":"2015-07-07T10:56:36Z","abstract_excerpt":"High temperature superconductivity is often found in the vicinity of antiferromagnetism. This is also true in LaFeAsO$_{1-x}$F$_{x}$ ($x \\leq$ 0.2) and many other iron-based superconductors, which leads to proposals that superconductivity is mediated by fluctuations associated with the nearby magnetism. Here we report the discovery of a new superconductivity dome without low-energy magnetic fluctuations in LaFeAsO$_{1-x}$F$_{x}$ with 0.25$\\leq x \\leq$0.75, where the maximal critical temperature $T_c$ at $x_{opt}$ = 0.5$\\sim$0.55 is even higher than that at $x \\leq$ 0.2. By nuclear magnetic res"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01750","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":"2026-05-18T01:31:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X3JsrOozXNKgnEP2BBAZQ6ZJ0qxgnWCAvNw8jaSMkijBMna7Egv0WROvjBdD/UkF0NSd54XhOQThx0k2fpQVDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:26:12.289742Z"},"content_sha256":"87c35b3d5d7c516c42a41337a29429e90f4652388ab9e812b208b14085158a95","schema_version":"1.0","event_id":"sha256:87c35b3d5d7c516c42a41337a29429e90f4652388ab9e812b208b14085158a95"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y4PHGMVJAI2NZDAQJGKJ5JYEDY/bundle.json","state_url":"https://pith.science/pith/Y4PHGMVJAI2NZDAQJGKJ5JYEDY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y4PHGMVJAI2NZDAQJGKJ5JYEDY/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":"2026-05-27T19:26:12Z","links":{"resolver":"https://pith.science/pith/Y4PHGMVJAI2NZDAQJGKJ5JYEDY","bundle":"https://pith.science/pith/Y4PHGMVJAI2NZDAQJGKJ5JYEDY/bundle.json","state":"https://pith.science/pith/Y4PHGMVJAI2NZDAQJGKJ5JYEDY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y4PHGMVJAI2NZDAQJGKJ5JYEDY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:Y4PHGMVJAI2NZDAQJGKJ5JYEDY","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":"cc500ec2f11d67b3faee2f323c3b25f12908730154c5d5456387a5a1ca91de4f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-07T10:56:36Z","title_canon_sha256":"db2375c5d970fa8b925aa49302a33ccca2af0340fb2fd27461615e0a6b5d988b"},"schema_version":"1.0","source":{"id":"1507.01750","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.01750","created_at":"2026-05-18T01:31:37Z"},{"alias_kind":"arxiv_version","alias_value":"1507.01750v2","created_at":"2026-05-18T01:31:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01750","created_at":"2026-05-18T01:31:37Z"},{"alias_kind":"pith_short_12","alias_value":"Y4PHGMVJAI2N","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"Y4PHGMVJAI2NZDAQ","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"Y4PHGMVJ","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:87c35b3d5d7c516c42a41337a29429e90f4652388ab9e812b208b14085158a95","target":"graph","created_at":"2026-05-18T01:31:37Z","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":"High temperature superconductivity is often found in the vicinity of antiferromagnetism. This is also true in LaFeAsO$_{1-x}$F$_{x}$ ($x \\leq$ 0.2) and many other iron-based superconductors, which leads to proposals that superconductivity is mediated by fluctuations associated with the nearby magnetism. Here we report the discovery of a new superconductivity dome without low-energy magnetic fluctuations in LaFeAsO$_{1-x}$F$_{x}$ with 0.25$\\leq x \\leq$0.75, where the maximal critical temperature $T_c$ at $x_{opt}$ = 0.5$\\sim$0.55 is even higher than that at $x \\leq$ 0.2. By nuclear magnetic res","authors_text":"Guo-qing Zheng, H. X. Yang, J. Q. Li, J. Yang, L. L. Wei, R. Zhou, Z. X. Zhao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-07T10:56:36Z","title":"New Superconductivity Dome in LaFeAsO$_{1-x}$F$_{x}$ Accompanied by Structural Transition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01750","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:f6c91b3ba8efbc6deaca9d5bf21637a7a6682b4dc30caebadd3ff2ee5e0e1334","target":"record","created_at":"2026-05-18T01:31:37Z","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":"cc500ec2f11d67b3faee2f323c3b25f12908730154c5d5456387a5a1ca91de4f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-07T10:56:36Z","title_canon_sha256":"db2375c5d970fa8b925aa49302a33ccca2af0340fb2fd27461615e0a6b5d988b"},"schema_version":"1.0","source":{"id":"1507.01750","kind":"arxiv","version":2}},"canonical_sha256":"c71e7332a90234dc8c1049949ea7041e18af9cf5d1f2d5f8add3ea11f327bec1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c71e7332a90234dc8c1049949ea7041e18af9cf5d1f2d5f8add3ea11f327bec1","first_computed_at":"2026-05-18T01:31:37.797040Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:31:37.797040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7WHxBSew9G3iPQoBdsDkAXXp3jiVYitJ4OPFzmWmyBpUcZsH3OFrrxT+xYScYyra6xdDAzRwGbXzSWXmUo7SCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:31:37.797566Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.01750","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f6c91b3ba8efbc6deaca9d5bf21637a7a6682b4dc30caebadd3ff2ee5e0e1334","sha256:87c35b3d5d7c516c42a41337a29429e90f4652388ab9e812b208b14085158a95"],"state_sha256":"db29a01057ae48eaaf902a5e31dc16cd6fec61e1d1940ed003e3699913e5ee93"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4ol5BZbDRHbp232dHWSREsgtFdYWvTK9hSuKcKGvDwOPtG2066poI6mgs1UbnlPM9JAo9vEpElblgfKz7X4kAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T19:26:12.292901Z","bundle_sha256":"ce1f1d59db78c21639804afdc01752ca91a73ab8a3691e088ea997bce9201254"}}