{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:WV72XTRMVN2MBSESMFQPBUPSBM","short_pith_number":"pith:WV72XTRM","canonical_record":{"source":{"id":"1501.02822","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-01-12T21:10:55Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"3df515e13b1a24b4a393e18073e3f503d973f7f466cf3d35a1fdeef020196db3","abstract_canon_sha256":"eda74ffb95503d2cda2ee5f7f28c7593d681001825f82623c2f47d451ff392c8"},"schema_version":"1.0"},"canonical_sha256":"b57fabce2cab74c0c8926160f0d1f20b0956277ba10cb81d56582ddd20f7a614","source":{"kind":"arxiv","id":"1501.02822","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.02822","created_at":"2026-05-18T02:25:55Z"},{"alias_kind":"arxiv_version","alias_value":"1501.02822v3","created_at":"2026-05-18T02:25:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.02822","created_at":"2026-05-18T02:25:55Z"},{"alias_kind":"pith_short_12","alias_value":"WV72XTRMVN2M","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WV72XTRMVN2MBSES","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WV72XTRM","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:WV72XTRMVN2MBSESMFQPBUPSBM","target":"record","payload":{"canonical_record":{"source":{"id":"1501.02822","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-01-12T21:10:55Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"3df515e13b1a24b4a393e18073e3f503d973f7f466cf3d35a1fdeef020196db3","abstract_canon_sha256":"eda74ffb95503d2cda2ee5f7f28c7593d681001825f82623c2f47d451ff392c8"},"schema_version":"1.0"},"canonical_sha256":"b57fabce2cab74c0c8926160f0d1f20b0956277ba10cb81d56582ddd20f7a614","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:25:55.593492Z","signature_b64":"PoQOI4afT1FRjD/owYdENFvuole/LmVIWue3AE/45EwWtnP98IyjCToLh7P5O4ScBUYDpaV8CDqS2bMZ5DeuCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b57fabce2cab74c0c8926160f0d1f20b0956277ba10cb81d56582ddd20f7a614","last_reissued_at":"2026-05-18T02:25:55.593100Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:25:55.593100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.02822","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:25:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"El8i/EloRGqQJsK4p15xzwlidCNz1JyYmmR5tfEouh6fa8MH/mARhQNV/4TaUKyeGX4djTGVHWT55GD1OWb8BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:21:34.293342Z"},"content_sha256":"10f6777f4dba76bd67448e01f302e9cbf74e46137e102ea5ea1dc0062ec8c837","schema_version":"1.0","event_id":"sha256:10f6777f4dba76bd67448e01f302e9cbf74e46137e102ea5ea1dc0062ec8c837"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:WV72XTRMVN2MBSESMFQPBUPSBM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-temperature superconductivity stabilized by electron-hole interband coupling in collapsed tetragonal phase of KFe2As2 under high pressure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Jason R. Jeffries, Johnpierre Paglione, Limin Wang, Renxiong Wang, Tristin Metz, Xiangfeng Wang, Yasuyuki Nakajima","submitted_at":"2015-01-12T21:10:55Z","abstract_excerpt":"We report a high-pressure study of simultaneous low-temperature electrical resistivity and Hall effect measurements on high quality single-crystalline KFe2As2 using designer diamond anvil cell techniques with applied pressures up to 33 GPa. In the low pressure regime, we show that the superconducting transition temperature T_c finds a maximum onset value of 7 K near 2 GPa, in contrast to previous reports that find a minimum T_c and reversal of pressure dependence at this pressure. Upon applying higher pressures, this T_c is diminished until a sudden drastic enhancement occurs coincident with a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.02822","kind":"arxiv","version":3},"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":"2026-05-18T02:25:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UA26MDNjDWBCzFYRhR5InyZ+Xvr8GodBeOLEH4aRhYMl6vUSQ16q7LgBdggAXdMwFukIdK3T3OOAE7Xdlii8CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:21:34.294049Z"},"content_sha256":"d2f4bbfee5b0c59853335c13bb02718b3c246156ba951422d001efcffdd5a8b0","schema_version":"1.0","event_id":"sha256:d2f4bbfee5b0c59853335c13bb02718b3c246156ba951422d001efcffdd5a8b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WV72XTRMVN2MBSESMFQPBUPSBM/bundle.json","state_url":"https://pith.science/pith/WV72XTRMVN2MBSESMFQPBUPSBM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WV72XTRMVN2MBSESMFQPBUPSBM/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":"2026-05-25T18:21:34Z","links":{"resolver":"https://pith.science/pith/WV72XTRMVN2MBSESMFQPBUPSBM","bundle":"https://pith.science/pith/WV72XTRMVN2MBSESMFQPBUPSBM/bundle.json","state":"https://pith.science/pith/WV72XTRMVN2MBSESMFQPBUPSBM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WV72XTRMVN2MBSESMFQPBUPSBM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:WV72XTRMVN2MBSESMFQPBUPSBM","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":"eda74ffb95503d2cda2ee5f7f28c7593d681001825f82623c2f47d451ff392c8","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-01-12T21:10:55Z","title_canon_sha256":"3df515e13b1a24b4a393e18073e3f503d973f7f466cf3d35a1fdeef020196db3"},"schema_version":"1.0","source":{"id":"1501.02822","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.02822","created_at":"2026-05-18T02:25:55Z"},{"alias_kind":"arxiv_version","alias_value":"1501.02822v3","created_at":"2026-05-18T02:25:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.02822","created_at":"2026-05-18T02:25:55Z"},{"alias_kind":"pith_short_12","alias_value":"WV72XTRMVN2M","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WV72XTRMVN2MBSES","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WV72XTRM","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:d2f4bbfee5b0c59853335c13bb02718b3c246156ba951422d001efcffdd5a8b0","target":"graph","created_at":"2026-05-18T02:25:55Z","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 report a high-pressure study of simultaneous low-temperature electrical resistivity and Hall effect measurements on high quality single-crystalline KFe2As2 using designer diamond anvil cell techniques with applied pressures up to 33 GPa. In the low pressure regime, we show that the superconducting transition temperature T_c finds a maximum onset value of 7 K near 2 GPa, in contrast to previous reports that find a minimum T_c and reversal of pressure dependence at this pressure. Upon applying higher pressures, this T_c is diminished until a sudden drastic enhancement occurs coincident with a","authors_text":"Jason R. Jeffries, Johnpierre Paglione, Limin Wang, Renxiong Wang, Tristin Metz, Xiangfeng Wang, Yasuyuki Nakajima","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-01-12T21:10:55Z","title":"High-temperature superconductivity stabilized by electron-hole interband coupling in collapsed tetragonal phase of KFe2As2 under high pressure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.02822","kind":"arxiv","version":3},"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":"sha256:10f6777f4dba76bd67448e01f302e9cbf74e46137e102ea5ea1dc0062ec8c837","target":"record","created_at":"2026-05-18T02:25:55Z","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":"eda74ffb95503d2cda2ee5f7f28c7593d681001825f82623c2f47d451ff392c8","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-01-12T21:10:55Z","title_canon_sha256":"3df515e13b1a24b4a393e18073e3f503d973f7f466cf3d35a1fdeef020196db3"},"schema_version":"1.0","source":{"id":"1501.02822","kind":"arxiv","version":3}},"canonical_sha256":"b57fabce2cab74c0c8926160f0d1f20b0956277ba10cb81d56582ddd20f7a614","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b57fabce2cab74c0c8926160f0d1f20b0956277ba10cb81d56582ddd20f7a614","first_computed_at":"2026-05-18T02:25:55.593100Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:25:55.593100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PoQOI4afT1FRjD/owYdENFvuole/LmVIWue3AE/45EwWtnP98IyjCToLh7P5O4ScBUYDpaV8CDqS2bMZ5DeuCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:25:55.593492Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.02822","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:10f6777f4dba76bd67448e01f302e9cbf74e46137e102ea5ea1dc0062ec8c837","sha256:d2f4bbfee5b0c59853335c13bb02718b3c246156ba951422d001efcffdd5a8b0"],"state_sha256":"c22fc197fcd50da88b4a3cf5f292703285595293c6be91a7cf10091020de7490"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"da1MvQBzH+a0WsiyV9GAIOrZV9qw5q81hkO+lSLFLir+NM+ZytiZ4uzM0iD4zTXvVN5l0n1C76cHHRLGFMqACA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:21:34.297936Z","bundle_sha256":"b4c99ca5e59ecc0235e535cb1a791bd0a938a1aa48d3fdac71f9c7c54e1e05c4"}}