{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:JBY7LUGLIMYLYKFJ3INB4WBFA3","short_pith_number":"pith:JBY7LUGL","canonical_record":{"source":{"id":"0912.2752","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-12-15T05:50:58Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"eecd50194ae16898c07528ace53d2196969832d2896fe988f330f093267ae50f","abstract_canon_sha256":"4bc20572c8235e4e5013a33feafe8d89502c643ecc54580e8c045ce31f89fd16"},"schema_version":"1.0"},"canonical_sha256":"4871f5d0cb4330bc28a9da1a1e582506f7295ca77c346a451addf114bb1da873","source":{"kind":"arxiv","id":"0912.2752","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.2752","created_at":"2026-07-04T17:20:57Z"},{"alias_kind":"arxiv_version","alias_value":"0912.2752v2","created_at":"2026-07-04T17:20:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.2752","created_at":"2026-07-04T17:20:57Z"},{"alias_kind":"pith_short_12","alias_value":"JBY7LUGLIMYL","created_at":"2026-07-04T17:20:57Z"},{"alias_kind":"pith_short_16","alias_value":"JBY7LUGLIMYLYKFJ","created_at":"2026-07-04T17:20:57Z"},{"alias_kind":"pith_short_8","alias_value":"JBY7LUGL","created_at":"2026-07-04T17:20:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:JBY7LUGLIMYLYKFJ3INB4WBFA3","target":"record","payload":{"canonical_record":{"source":{"id":"0912.2752","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-12-15T05:50:58Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"eecd50194ae16898c07528ace53d2196969832d2896fe988f330f093267ae50f","abstract_canon_sha256":"4bc20572c8235e4e5013a33feafe8d89502c643ecc54580e8c045ce31f89fd16"},"schema_version":"1.0"},"canonical_sha256":"4871f5d0cb4330bc28a9da1a1e582506f7295ca77c346a451addf114bb1da873","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:20:57.478907Z","signature_b64":"nQQNIZVMyAuABiQnq1Ni0SbFVM52e5O5y8sF7HHeV3+Re2RXevsRDzzfeU5+KkzeBSKg5h4xWnlGVZL88M7sCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4871f5d0cb4330bc28a9da1a1e582506f7295ca77c346a451addf114bb1da873","last_reissued_at":"2026-07-04T17:20:57.478536Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:20:57.478536Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0912.2752","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":"2026-07-04T17:20:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pnjm8OZ4pACWp4uuhrEgEruSonZkG7l1HIgeVTZuGz9oN/MvV8mHyBgJCu6SjJlS98ojzvKHhRfgQamDfGE+Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T18:19:44.079887Z"},"content_sha256":"db72d17fdcdf35f3b4c5ed1e6b2b4d092a1c00644ea435d49aa6c72df7960503","schema_version":"1.0","event_id":"sha256:db72d17fdcdf35f3b4c5ed1e6b2b4d092a1c00644ea435d49aa6c72df7960503"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:JBY7LUGLIMYLYKFJ3INB4WBFA3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superconductivity at 23 K in Pt doped BaFe2As2 single crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Johnpierre Paglione, K. Kirshenbaum, N. P. Butch, P. Y. Zavalij, S. R. Saha, T. Drye","submitted_at":"2009-12-15T05:50:58Z","abstract_excerpt":"We report superconductivity in single crystals of the new iron-pnictide system BaFe1.9Pt0.1As2 grown by a self-flux solution method and characterized via x-ray, transport, magnetic and thermodynamic measurements. The magnetic ordering associated with a structural transition at 140 K present in BaFe2As2 is completely suppressed by substitution of 5% Fe with Pt and superconductivity is induced at a critical temperature Tc=23 K. Full diamagnetic screening in the magnetic susceptibility and a jump in the specific heat at Tc confirm the bulk nature of the superconducting phase. All properties of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.2752","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0912.2752/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T17:20:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9OzAm1LF8BNB7aJ9EyNp5qTbRO40ARJ5QzgJ3e8fMQvFNz533r+5BX0AZoz+isS82pf0dOf8j+P0NMcAlY6+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T18:19:44.080276Z"},"content_sha256":"5412d7c7bedfbd150335edca9dda138a6519bc4838f4c8a91832c5a3fa1be617","schema_version":"1.0","event_id":"sha256:5412d7c7bedfbd150335edca9dda138a6519bc4838f4c8a91832c5a3fa1be617"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JBY7LUGLIMYLYKFJ3INB4WBFA3/bundle.json","state_url":"https://pith.science/pith/JBY7LUGLIMYLYKFJ3INB4WBFA3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JBY7LUGLIMYLYKFJ3INB4WBFA3/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":"2026-07-24T18:19:44Z","links":{"resolver":"https://pith.science/pith/JBY7LUGLIMYLYKFJ3INB4WBFA3","bundle":"https://pith.science/pith/JBY7LUGLIMYLYKFJ3INB4WBFA3/bundle.json","state":"https://pith.science/pith/JBY7LUGLIMYLYKFJ3INB4WBFA3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JBY7LUGLIMYLYKFJ3INB4WBFA3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:JBY7LUGLIMYLYKFJ3INB4WBFA3","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":"4bc20572c8235e4e5013a33feafe8d89502c643ecc54580e8c045ce31f89fd16","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-12-15T05:50:58Z","title_canon_sha256":"eecd50194ae16898c07528ace53d2196969832d2896fe988f330f093267ae50f"},"schema_version":"1.0","source":{"id":"0912.2752","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.2752","created_at":"2026-07-04T17:20:57Z"},{"alias_kind":"arxiv_version","alias_value":"0912.2752v2","created_at":"2026-07-04T17:20:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.2752","created_at":"2026-07-04T17:20:57Z"},{"alias_kind":"pith_short_12","alias_value":"JBY7LUGLIMYL","created_at":"2026-07-04T17:20:57Z"},{"alias_kind":"pith_short_16","alias_value":"JBY7LUGLIMYLYKFJ","created_at":"2026-07-04T17:20:57Z"},{"alias_kind":"pith_short_8","alias_value":"JBY7LUGL","created_at":"2026-07-04T17:20:57Z"}],"graph_snapshots":[{"event_id":"sha256:5412d7c7bedfbd150335edca9dda138a6519bc4838f4c8a91832c5a3fa1be617","target":"graph","created_at":"2026-07-04T17:20:57Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0912.2752/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report superconductivity in single crystals of the new iron-pnictide system BaFe1.9Pt0.1As2 grown by a self-flux solution method and characterized via x-ray, transport, magnetic and thermodynamic measurements. The magnetic ordering associated with a structural transition at 140 K present in BaFe2As2 is completely suppressed by substitution of 5% Fe with Pt and superconductivity is induced at a critical temperature Tc=23 K. Full diamagnetic screening in the magnetic susceptibility and a jump in the specific heat at Tc confirm the bulk nature of the superconducting phase. All properties of th","authors_text":"Johnpierre Paglione, K. Kirshenbaum, N. P. Butch, P. Y. Zavalij, S. R. Saha, T. Drye","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-12-15T05:50:58Z","title":"Superconductivity at 23 K in Pt doped BaFe2As2 single crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.2752","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:db72d17fdcdf35f3b4c5ed1e6b2b4d092a1c00644ea435d49aa6c72df7960503","target":"record","created_at":"2026-07-04T17:20:57Z","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":"4bc20572c8235e4e5013a33feafe8d89502c643ecc54580e8c045ce31f89fd16","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-12-15T05:50:58Z","title_canon_sha256":"eecd50194ae16898c07528ace53d2196969832d2896fe988f330f093267ae50f"},"schema_version":"1.0","source":{"id":"0912.2752","kind":"arxiv","version":2}},"canonical_sha256":"4871f5d0cb4330bc28a9da1a1e582506f7295ca77c346a451addf114bb1da873","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4871f5d0cb4330bc28a9da1a1e582506f7295ca77c346a451addf114bb1da873","first_computed_at":"2026-07-04T17:20:57.478536Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:20:57.478536Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nQQNIZVMyAuABiQnq1Ni0SbFVM52e5O5y8sF7HHeV3+Re2RXevsRDzzfeU5+KkzeBSKg5h4xWnlGVZL88M7sCw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:20:57.478907Z","signed_message":"canonical_sha256_bytes"},"source_id":"0912.2752","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db72d17fdcdf35f3b4c5ed1e6b2b4d092a1c00644ea435d49aa6c72df7960503","sha256:5412d7c7bedfbd150335edca9dda138a6519bc4838f4c8a91832c5a3fa1be617"],"state_sha256":"700b5bce5dfeca227afe986cb285d7f308907985711cf2608b0cc999ae530b96"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3NQIK33713j94g0N80aSa79gHl9mWhTyW2z7XURCT5Fr2q+JpVP7aOIQJDKppaOauhUtf6JFdBndJfMDBfZsDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-24T18:19:44.082497Z","bundle_sha256":"8d3becf48c23c2b1f9016f9703f79a78377c05729bbedf48a7f8a9995d8a7c73"}}