{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:X53Y6FCANC7LP4RO4D57I52PCG","short_pith_number":"pith:X53Y6FCA","canonical_record":{"source":{"id":"cond-mat/9912357","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-12-20T14:18:29Z","cross_cats_sorted":[],"title_canon_sha256":"5c1cd336ba7d24dd13473873bef7a2457578b1cb669cb39e55a8715196c769aa","abstract_canon_sha256":"9f702218b18ae67badf9dad6645aac3a211b911600b91975a9544bf3ffec9235"},"schema_version":"1.0"},"canonical_sha256":"bf778f144068beb7f22ee0fbf4774f11a330766f79ae8f9aa91ff235df5ba27e","source":{"kind":"arxiv","id":"cond-mat/9912357","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9912357","created_at":"2026-07-04T14:23:59Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9912357v1","created_at":"2026-07-04T14:23:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9912357","created_at":"2026-07-04T14:23:59Z"},{"alias_kind":"pith_short_12","alias_value":"X53Y6FCANC7L","created_at":"2026-07-04T14:23:59Z"},{"alias_kind":"pith_short_16","alias_value":"X53Y6FCANC7LP4RO","created_at":"2026-07-04T14:23:59Z"},{"alias_kind":"pith_short_8","alias_value":"X53Y6FCA","created_at":"2026-07-04T14:23:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:X53Y6FCANC7LP4RO4D57I52PCG","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9912357","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-12-20T14:18:29Z","cross_cats_sorted":[],"title_canon_sha256":"5c1cd336ba7d24dd13473873bef7a2457578b1cb669cb39e55a8715196c769aa","abstract_canon_sha256":"9f702218b18ae67badf9dad6645aac3a211b911600b91975a9544bf3ffec9235"},"schema_version":"1.0"},"canonical_sha256":"bf778f144068beb7f22ee0fbf4774f11a330766f79ae8f9aa91ff235df5ba27e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:23:59.419598Z","signature_b64":"af4b5pWctsdLymmc0pjgJjxgsSp2Li0Z3CPpiyKHsLJeBmbKAwzhH/gRsHSUFwBzW51CZSEQe5+ndBO0tBMMAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf778f144068beb7f22ee0fbf4774f11a330766f79ae8f9aa91ff235df5ba27e","last_reissued_at":"2026-07-04T14:23:59.419204Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:23:59.419204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9912357","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":"2026-07-04T14:23:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x17VU4cyE6sxzdVAJ2vr759UIROJXIwf3E/HYysGqLwINDu75IJI+tT/4iTRaqq8M8zvzEujcAPGSiB6LfrnDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:06:46.239101Z"},"content_sha256":"ac195394950a698d85cc4e75cc8d2b208c77dcbee2062f1f5baaa6f2f01ab253","schema_version":"1.0","event_id":"sha256:ac195394950a698d85cc4e75cc8d2b208c77dcbee2062f1f5baaa6f2f01ab253"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:X53Y6FCANC7LP4RO4D57I52PCG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Effects of Chemical Doping and Hydrostatic Pressure on Tc of Y(1-y)CayBa2Cu3Ox and NdBa2Cu3Ox Single Crystals","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"B. Obst, H. Leibrock, H. Wuehl, K. Grube, K.-P. Weiss, M. Klaeser, P. Schweiss, S. I. Schlachter, Th. Wolf, W. H. Fietz","submitted_at":"1999-12-20T14:18:29Z","abstract_excerpt":"We studied Tc of YBa2Cu3Ox (Y123), Y0.89Ca0.11Ba2Cu3Ox (YCa123) and NdBa2Cu3Ox (Nd123) single crystals with various oxygen contents x. Compared to Tc(x) of Y123 the Tc(x) curves of YCa123 are shifted to lower oxygen contents and the maximum transition temperature Tc,max decreases with increasing Ca content whereas in Nd123 Tc(x) is shifted to higher oxygen contents and Tc,max is increased. According to the universal parabolic Tc(nh) behavior the differences in Tc(x)of Y123, YCa123 and Nd123 can be ascribed to different hole concentrations nh in the CuO2 planes caused by doping via changes in c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9912357","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/9912357/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":"2026-07-04T14:23:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tuZmI0LRqsuxmn2edfDmB7Ybhl8Uytfi7DfPiccNSaBjIVthjlZ0saKoTBeg4lRWRTSQjS0YeU4jSnTfCwkTDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:06:46.239604Z"},"content_sha256":"97bcb437b264d58f22b321a760969f46b55c0cfdce1c14eda079d1cb3c200462","schema_version":"1.0","event_id":"sha256:97bcb437b264d58f22b321a760969f46b55c0cfdce1c14eda079d1cb3c200462"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X53Y6FCANC7LP4RO4D57I52PCG/bundle.json","state_url":"https://pith.science/pith/X53Y6FCANC7LP4RO4D57I52PCG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X53Y6FCANC7LP4RO4D57I52PCG/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":"2026-08-05T12:06:46Z","links":{"resolver":"https://pith.science/pith/X53Y6FCANC7LP4RO4D57I52PCG","bundle":"https://pith.science/pith/X53Y6FCANC7LP4RO4D57I52PCG/bundle.json","state":"https://pith.science/pith/X53Y6FCANC7LP4RO4D57I52PCG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X53Y6FCANC7LP4RO4D57I52PCG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:X53Y6FCANC7LP4RO4D57I52PCG","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":"9f702218b18ae67badf9dad6645aac3a211b911600b91975a9544bf3ffec9235","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-12-20T14:18:29Z","title_canon_sha256":"5c1cd336ba7d24dd13473873bef7a2457578b1cb669cb39e55a8715196c769aa"},"schema_version":"1.0","source":{"id":"cond-mat/9912357","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9912357","created_at":"2026-07-04T14:23:59Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9912357v1","created_at":"2026-07-04T14:23:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9912357","created_at":"2026-07-04T14:23:59Z"},{"alias_kind":"pith_short_12","alias_value":"X53Y6FCANC7L","created_at":"2026-07-04T14:23:59Z"},{"alias_kind":"pith_short_16","alias_value":"X53Y6FCANC7LP4RO","created_at":"2026-07-04T14:23:59Z"},{"alias_kind":"pith_short_8","alias_value":"X53Y6FCA","created_at":"2026-07-04T14:23:59Z"}],"graph_snapshots":[{"event_id":"sha256:97bcb437b264d58f22b321a760969f46b55c0cfdce1c14eda079d1cb3c200462","target":"graph","created_at":"2026-07-04T14:23:59Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/9912357/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We studied Tc of YBa2Cu3Ox (Y123), Y0.89Ca0.11Ba2Cu3Ox (YCa123) and NdBa2Cu3Ox (Nd123) single crystals with various oxygen contents x. Compared to Tc(x) of Y123 the Tc(x) curves of YCa123 are shifted to lower oxygen contents and the maximum transition temperature Tc,max decreases with increasing Ca content whereas in Nd123 Tc(x) is shifted to higher oxygen contents and Tc,max is increased. According to the universal parabolic Tc(nh) behavior the differences in Tc(x)of Y123, YCa123 and Nd123 can be ascribed to different hole concentrations nh in the CuO2 planes caused by doping via changes in c","authors_text":"B. Obst, H. Leibrock, H. Wuehl, K. Grube, K.-P. Weiss, M. Klaeser, P. Schweiss, S. I. Schlachter, Th. Wolf, W. H. Fietz","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-12-20T14:18:29Z","title":"The Effects of Chemical Doping and Hydrostatic Pressure on Tc of Y(1-y)CayBa2Cu3Ox and NdBa2Cu3Ox Single Crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9912357","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:ac195394950a698d85cc4e75cc8d2b208c77dcbee2062f1f5baaa6f2f01ab253","target":"record","created_at":"2026-07-04T14:23:59Z","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":"9f702218b18ae67badf9dad6645aac3a211b911600b91975a9544bf3ffec9235","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1999-12-20T14:18:29Z","title_canon_sha256":"5c1cd336ba7d24dd13473873bef7a2457578b1cb669cb39e55a8715196c769aa"},"schema_version":"1.0","source":{"id":"cond-mat/9912357","kind":"arxiv","version":1}},"canonical_sha256":"bf778f144068beb7f22ee0fbf4774f11a330766f79ae8f9aa91ff235df5ba27e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf778f144068beb7f22ee0fbf4774f11a330766f79ae8f9aa91ff235df5ba27e","first_computed_at":"2026-07-04T14:23:59.419204Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:23:59.419204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"af4b5pWctsdLymmc0pjgJjxgsSp2Li0Z3CPpiyKHsLJeBmbKAwzhH/gRsHSUFwBzW51CZSEQe5+ndBO0tBMMAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T14:23:59.419598Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9912357","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac195394950a698d85cc4e75cc8d2b208c77dcbee2062f1f5baaa6f2f01ab253","sha256:97bcb437b264d58f22b321a760969f46b55c0cfdce1c14eda079d1cb3c200462"],"state_sha256":"732de4933dca22565bf64e9a3dd59b6316308b4dffdcac92523c31f225b56a5b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IEsRwSVwlSqvMdMmEH/HZHRFRfGkINvr5jrOs/NNvuuEXXUIAaHME8Ro7MN1e0bVa2CeaYmfA0tZPPp3QO8eCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T12:06:46.244331Z","bundle_sha256":"84fba749d6d1e46498c48a57b184d0c27f0c2ecfa5a5d3c517faa74e3a99d744"}}