{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:UEVAFAZRTMZDYGYDZF3FPMS4QN","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":"2b30717726b02269cc73410473a8647eb648be68002d0bff9536e60fbe1d6023","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-05-25T15:30:40Z","title_canon_sha256":"4415dd5c7b255f92c5d70f279d3ff5b8528562e91b5291fd73a2c24cdb51e978"},"schema_version":"1.0","source":{"id":"1205.5731","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.5731","created_at":"2026-05-18T03:44:35Z"},{"alias_kind":"arxiv_version","alias_value":"1205.5731v1","created_at":"2026-05-18T03:44:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.5731","created_at":"2026-05-18T03:44:35Z"},{"alias_kind":"pith_short_12","alias_value":"UEVAFAZRTMZD","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"UEVAFAZRTMZDYGYD","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"UEVAFAZR","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:f218faaa4148805c0b1b6f4e842409fe9f92239d2dbd459d7b3a7ffb641a46d8","target":"graph","created_at":"2026-05-18T03:44:35Z","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":"Following a recent proposal by Burrard-Lucas et al. [unpublished, arXiv: 1203.5046] we intercalated FeSe by Li in liquid ammonia. We report on the synthesis of new LixFe2Se2(NH3)y phases as well as on their magnetic and superconducting properties. We suggest that the superconducting properties of these new hybride materials appear not to be influenced by the presence of electronically-innocent Li(NH2) salt moieties. Indeed, high onset temperatures of 44 K and shielding fractions of almost 80% were only obtained in samples containing exclusively Lix(NH3)y moieties acting simultaneously as elect","authors_text":"A. Dunbar, A. Loidl, D. Schmitz, E.-W. Scheidt, J. Deisenhofer, V. R. Hathwar, V. Tsurkan, W. Scherer","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-05-25T15:30:40Z","title":"Superconductivity at Tc = 44 K in LixFe2Se2(NH3)y"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.5731","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:dc06169655fd7c7634eb23b934b347e37b9a3155e70b5775f521222c29baa3dc","target":"record","created_at":"2026-05-18T03:44:35Z","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":"2b30717726b02269cc73410473a8647eb648be68002d0bff9536e60fbe1d6023","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-05-25T15:30:40Z","title_canon_sha256":"4415dd5c7b255f92c5d70f279d3ff5b8528562e91b5291fd73a2c24cdb51e978"},"schema_version":"1.0","source":{"id":"1205.5731","kind":"arxiv","version":1}},"canonical_sha256":"a12a0283319b323c1b03c97657b25c836b1013906bb436c8fe3832a3d8c12e8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a12a0283319b323c1b03c97657b25c836b1013906bb436c8fe3832a3d8c12e8a","first_computed_at":"2026-05-18T03:44:35.878008Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:44:35.878008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7Y8CP9FyQE9OZzMmHmB9Q1Q0T5IrNttUkOMRQYHRSTWgAB4E+UZl2e+gNE+pef12ahmjEGMbFM9vuWMHYFemCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:44:35.878557Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.5731","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc06169655fd7c7634eb23b934b347e37b9a3155e70b5775f521222c29baa3dc","sha256:f218faaa4148805c0b1b6f4e842409fe9f92239d2dbd459d7b3a7ffb641a46d8"],"state_sha256":"a8cd79390184a38a3cb2f6c89705cd774985168e615bd1fa3f969dd52cc55def"}