{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:VZQNWZVBY5PY3UWP42G2IO7U2T","short_pith_number":"pith:VZQNWZVB","canonical_record":{"source":{"id":"0911.0970","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-11-05T04:22:01Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"0ee690b62e00a38d478144f971a568285ab315b0a69a5bbeb004ac8d965afad2","abstract_canon_sha256":"24d52484793fa4f1f2cac68e107e20f7e74c07cfa07d198516d7c8334dbf086b"},"schema_version":"1.0"},"canonical_sha256":"ae60db66a1c75f8dd2cfe68da43bf4d4ffa6aa64e7995ce334a311396e587580","source":{"kind":"arxiv","id":"0911.0970","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.0970","created_at":"2026-05-18T02:10:59Z"},{"alias_kind":"arxiv_version","alias_value":"0911.0970v1","created_at":"2026-05-18T02:10:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.0970","created_at":"2026-05-18T02:10:59Z"},{"alias_kind":"pith_short_12","alias_value":"VZQNWZVBY5PY","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"VZQNWZVBY5PY3UWP","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"VZQNWZVB","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:VZQNWZVBY5PY3UWP42G2IO7U2T","target":"record","payload":{"canonical_record":{"source":{"id":"0911.0970","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-11-05T04:22:01Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"0ee690b62e00a38d478144f971a568285ab315b0a69a5bbeb004ac8d965afad2","abstract_canon_sha256":"24d52484793fa4f1f2cac68e107e20f7e74c07cfa07d198516d7c8334dbf086b"},"schema_version":"1.0"},"canonical_sha256":"ae60db66a1c75f8dd2cfe68da43bf4d4ffa6aa64e7995ce334a311396e587580","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:10:59.374183Z","signature_b64":"GEGnzXRrPyCycf70YKAMrC9pDvZRyLJ9XjXHtMutD8pGalJWUwVo/wlgxfPoyyJcDx3rjnqoQG4Ca2WpaPnWAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae60db66a1c75f8dd2cfe68da43bf4d4ffa6aa64e7995ce334a311396e587580","last_reissued_at":"2026-05-18T02:10:59.373467Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:10:59.373467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0911.0970","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":"2026-05-18T02:10:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HkA1yHVMLysSd0dQGRZundngyzLNvHFGZOtRSx3rT0y+bB0odVKV5w/Twz0/L8DlnrT0FW7wdhyk+oCzSo+zBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T02:31:50.280589Z"},"content_sha256":"7caf2dc09a7ac3f916e2239bffcf013c6095d572e921bfababfb3e29647bb465","schema_version":"1.0","event_id":"sha256:7caf2dc09a7ac3f916e2239bffcf013c6095d572e921bfababfb3e29647bb465"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:VZQNWZVBY5PY3UWP42G2IO7U2T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Out of plane effect on the superconductivity of Sr2-xBaxCuO3+y with Tc up to 98K","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"C. Q. Jin, F. Y. Li, L. X. Yang, Q. Q. Liu, S. Uchida, W. B. Gao, Y. Yu","submitted_at":"2009-11-05T04:22:01Z","abstract_excerpt":"A series of new Sr2-xBaxCuO3+y (0 x 0.6) superconductors were prepared using high-pressure and high-temperature synthesis. A Rietveld refinement based on powder x-ray diffraction confirms that the superconductors crystallize in the K2NiF4-type structure of a space group I4/mmm similar to that of La2CuO4 but with partially occupied apical oxygen sites. It is found that the superconducting transition temperature Tc of this Ba substituted Sr2CuO3+y superconductor with constant carrier doping level, i.e., constant d, is controlled not only by order/disorder of apical-O atoms but also by Ba content"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.0970","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":"2026-05-18T02:10:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aRubmaTOgc2Rv4oEEjA6f+4CAW/iTIRDtRQvmDZJ2r8aHb95u/hbKx4SW4jBxvkM0As2SoTerbswaio/iNF1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T02:31:50.281284Z"},"content_sha256":"57887b6d29a6bf177c3de09aeca4a711f24a8a83474f755a3f8a1a2d35db75c5","schema_version":"1.0","event_id":"sha256:57887b6d29a6bf177c3de09aeca4a711f24a8a83474f755a3f8a1a2d35db75c5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VZQNWZVBY5PY3UWP42G2IO7U2T/bundle.json","state_url":"https://pith.science/pith/VZQNWZVBY5PY3UWP42G2IO7U2T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VZQNWZVBY5PY3UWP42G2IO7U2T/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":"2026-05-25T02:31:50Z","links":{"resolver":"https://pith.science/pith/VZQNWZVBY5PY3UWP42G2IO7U2T","bundle":"https://pith.science/pith/VZQNWZVBY5PY3UWP42G2IO7U2T/bundle.json","state":"https://pith.science/pith/VZQNWZVBY5PY3UWP42G2IO7U2T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VZQNWZVBY5PY3UWP42G2IO7U2T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:VZQNWZVBY5PY3UWP42G2IO7U2T","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":"24d52484793fa4f1f2cac68e107e20f7e74c07cfa07d198516d7c8334dbf086b","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-11-05T04:22:01Z","title_canon_sha256":"0ee690b62e00a38d478144f971a568285ab315b0a69a5bbeb004ac8d965afad2"},"schema_version":"1.0","source":{"id":"0911.0970","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.0970","created_at":"2026-05-18T02:10:59Z"},{"alias_kind":"arxiv_version","alias_value":"0911.0970v1","created_at":"2026-05-18T02:10:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.0970","created_at":"2026-05-18T02:10:59Z"},{"alias_kind":"pith_short_12","alias_value":"VZQNWZVBY5PY","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"VZQNWZVBY5PY3UWP","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"VZQNWZVB","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:57887b6d29a6bf177c3de09aeca4a711f24a8a83474f755a3f8a1a2d35db75c5","target":"graph","created_at":"2026-05-18T02:10:59Z","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":"A series of new Sr2-xBaxCuO3+y (0 x 0.6) superconductors were prepared using high-pressure and high-temperature synthesis. A Rietveld refinement based on powder x-ray diffraction confirms that the superconductors crystallize in the K2NiF4-type structure of a space group I4/mmm similar to that of La2CuO4 but with partially occupied apical oxygen sites. It is found that the superconducting transition temperature Tc of this Ba substituted Sr2CuO3+y superconductor with constant carrier doping level, i.e., constant d, is controlled not only by order/disorder of apical-O atoms but also by Ba content","authors_text":"C. Q. Jin, F. Y. Li, L. X. Yang, Q. Q. Liu, S. Uchida, W. B. Gao, Y. Yu","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-11-05T04:22:01Z","title":"Out of plane effect on the superconductivity of Sr2-xBaxCuO3+y with Tc up to 98K"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.0970","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":"sha256:7caf2dc09a7ac3f916e2239bffcf013c6095d572e921bfababfb3e29647bb465","target":"record","created_at":"2026-05-18T02:10:59Z","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":"24d52484793fa4f1f2cac68e107e20f7e74c07cfa07d198516d7c8334dbf086b","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-11-05T04:22:01Z","title_canon_sha256":"0ee690b62e00a38d478144f971a568285ab315b0a69a5bbeb004ac8d965afad2"},"schema_version":"1.0","source":{"id":"0911.0970","kind":"arxiv","version":1}},"canonical_sha256":"ae60db66a1c75f8dd2cfe68da43bf4d4ffa6aa64e7995ce334a311396e587580","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae60db66a1c75f8dd2cfe68da43bf4d4ffa6aa64e7995ce334a311396e587580","first_computed_at":"2026-05-18T02:10:59.373467Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:10:59.373467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GEGnzXRrPyCycf70YKAMrC9pDvZRyLJ9XjXHtMutD8pGalJWUwVo/wlgxfPoyyJcDx3rjnqoQG4Ca2WpaPnWAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:10:59.374183Z","signed_message":"canonical_sha256_bytes"},"source_id":"0911.0970","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7caf2dc09a7ac3f916e2239bffcf013c6095d572e921bfababfb3e29647bb465","sha256:57887b6d29a6bf177c3de09aeca4a711f24a8a83474f755a3f8a1a2d35db75c5"],"state_sha256":"b26971b45f02c0c858af0c6361722146002a3371753310bb9415da240ae47dde"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GkdsCM1jHaz4u5cXF/5ZWgXhlTZR8r2ZvhAAHkUlWGBTjP2HUFxmzbkijZbZW8448/wA4X+/6BYmgv46TkNyAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T02:31:50.285068Z","bundle_sha256":"195c17f920e81a937d046c81f6e58439dcab2007c9de0d378b3544c19cf46e68"}}