{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:KHW7FF473SUTT474QVHYDVQZUJ","short_pith_number":"pith:KHW7FF47","canonical_record":{"source":{"id":"1107.1341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-07-07T10:54:06Z","cross_cats_sorted":[],"title_canon_sha256":"8e88fc16d8dffd32373cf72b5ff8cd89eec3686e3ab2b661278d74099fd7b7c8","abstract_canon_sha256":"d2099bd93c8d147c130dbe516e5af31966577a221aef63e601848ea08f249f4e"},"schema_version":"1.0"},"canonical_sha256":"51edf2979fdca939f3fc854f81d619a27b9bdb9f5dc5f23c53377c724a09c00e","source":{"kind":"arxiv","id":"1107.1341","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.1341","created_at":"2026-05-18T02:01:21Z"},{"alias_kind":"arxiv_version","alias_value":"1107.1341v1","created_at":"2026-05-18T02:01:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.1341","created_at":"2026-05-18T02:01:21Z"},{"alias_kind":"pith_short_12","alias_value":"KHW7FF473SUT","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"KHW7FF473SUTT474","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"KHW7FF47","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:KHW7FF473SUTT474QVHYDVQZUJ","target":"record","payload":{"canonical_record":{"source":{"id":"1107.1341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-07-07T10:54:06Z","cross_cats_sorted":[],"title_canon_sha256":"8e88fc16d8dffd32373cf72b5ff8cd89eec3686e3ab2b661278d74099fd7b7c8","abstract_canon_sha256":"d2099bd93c8d147c130dbe516e5af31966577a221aef63e601848ea08f249f4e"},"schema_version":"1.0"},"canonical_sha256":"51edf2979fdca939f3fc854f81d619a27b9bdb9f5dc5f23c53377c724a09c00e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:21.979100Z","signature_b64":"o+Unn5JKOP/RW0f4Oky0fNBn9/+BeOP5G8O/DDCKUnADRQuuLloDUhwd8oY4MV8Ubpm1fjT3fuo7xlvrHQ+dAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"51edf2979fdca939f3fc854f81d619a27b9bdb9f5dc5f23c53377c724a09c00e","last_reissued_at":"2026-05-18T02:01:21.978404Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:21.978404Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1107.1341","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":"2026-05-18T02:01:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Bgtls75kW4ZQAm9fBc1qb5deLPBnb47XBfIcBCk+FLSQBBMlqxmmkoNzePBQcXd2MZPB2HlagFX0WuPfOkJAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:32:42.845793Z"},"content_sha256":"d60fecd46bf7f48b64596606da8e94d7c2639176ca8e5696794a25e64badae3f","schema_version":"1.0","event_id":"sha256:d60fecd46bf7f48b64596606da8e94d7c2639176ca8e5696794a25e64badae3f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:KHW7FF473SUTT474QVHYDVQZUJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Muon spin rotation investigation of the pressure effect on the magnetic penetration depth in YBa2Cu3Ox","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Amato, A. Maisuradze, A. Shengelaya, E. Pomjakushina, H. Keller","submitted_at":"2011-07-07T10:54:06Z","abstract_excerpt":"The pressure dependence of the magnetic penetration depth in polycrystalline samples of YBa2Cu3Ox with different oxygen concentrations x = 6.45, 6.6, 6.8, and 6.98 was studied by muon spin rotation (muSR). The pressure dependence of the superfluid density (p_s) as a function of the superconducting transition temperature Tc is found to deviate from the usual Uemura line. The ratio (dTc/dP)/(dp_s/dP) is factor of 2 smaller than that of the Uemura relation. In underdoped samples, the zero temperature superconducting gap and the BCS ratio both increase with increasing external hydrostatic pressure"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.1341","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":"2026-05-18T02:01:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dh3j7wecH6PPsIYzTUGQFqd3YVZlRSKCl7W4lTOxjzWnWyxRgOhDwXO5TpM/WhtsqL8QeXzp+EMCnwgemj8+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:32:42.846144Z"},"content_sha256":"2c7ee9f3264b0fbb8b657db315f0752958d566c71bfa3498e1613129c467440d","schema_version":"1.0","event_id":"sha256:2c7ee9f3264b0fbb8b657db315f0752958d566c71bfa3498e1613129c467440d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KHW7FF473SUTT474QVHYDVQZUJ/bundle.json","state_url":"https://pith.science/pith/KHW7FF473SUTT474QVHYDVQZUJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KHW7FF473SUTT474QVHYDVQZUJ/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":"2026-05-30T13:32:42Z","links":{"resolver":"https://pith.science/pith/KHW7FF473SUTT474QVHYDVQZUJ","bundle":"https://pith.science/pith/KHW7FF473SUTT474QVHYDVQZUJ/bundle.json","state":"https://pith.science/pith/KHW7FF473SUTT474QVHYDVQZUJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KHW7FF473SUTT474QVHYDVQZUJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:KHW7FF473SUTT474QVHYDVQZUJ","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":"d2099bd93c8d147c130dbe516e5af31966577a221aef63e601848ea08f249f4e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-07-07T10:54:06Z","title_canon_sha256":"8e88fc16d8dffd32373cf72b5ff8cd89eec3686e3ab2b661278d74099fd7b7c8"},"schema_version":"1.0","source":{"id":"1107.1341","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.1341","created_at":"2026-05-18T02:01:21Z"},{"alias_kind":"arxiv_version","alias_value":"1107.1341v1","created_at":"2026-05-18T02:01:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.1341","created_at":"2026-05-18T02:01:21Z"},{"alias_kind":"pith_short_12","alias_value":"KHW7FF473SUT","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"KHW7FF473SUTT474","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"KHW7FF47","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:2c7ee9f3264b0fbb8b657db315f0752958d566c71bfa3498e1613129c467440d","target":"graph","created_at":"2026-05-18T02:01:21Z","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":"The pressure dependence of the magnetic penetration depth in polycrystalline samples of YBa2Cu3Ox with different oxygen concentrations x = 6.45, 6.6, 6.8, and 6.98 was studied by muon spin rotation (muSR). The pressure dependence of the superfluid density (p_s) as a function of the superconducting transition temperature Tc is found to deviate from the usual Uemura line. The ratio (dTc/dP)/(dp_s/dP) is factor of 2 smaller than that of the Uemura relation. In underdoped samples, the zero temperature superconducting gap and the BCS ratio both increase with increasing external hydrostatic pressure","authors_text":"A. Amato, A. Maisuradze, A. Shengelaya, E. Pomjakushina, H. Keller","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-07-07T10:54:06Z","title":"Muon spin rotation investigation of the pressure effect on the magnetic penetration depth in YBa2Cu3Ox"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.1341","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:d60fecd46bf7f48b64596606da8e94d7c2639176ca8e5696794a25e64badae3f","target":"record","created_at":"2026-05-18T02:01:21Z","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":"d2099bd93c8d147c130dbe516e5af31966577a221aef63e601848ea08f249f4e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-07-07T10:54:06Z","title_canon_sha256":"8e88fc16d8dffd32373cf72b5ff8cd89eec3686e3ab2b661278d74099fd7b7c8"},"schema_version":"1.0","source":{"id":"1107.1341","kind":"arxiv","version":1}},"canonical_sha256":"51edf2979fdca939f3fc854f81d619a27b9bdb9f5dc5f23c53377c724a09c00e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"51edf2979fdca939f3fc854f81d619a27b9bdb9f5dc5f23c53377c724a09c00e","first_computed_at":"2026-05-18T02:01:21.978404Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:21.978404Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o+Unn5JKOP/RW0f4Oky0fNBn9/+BeOP5G8O/DDCKUnADRQuuLloDUhwd8oY4MV8Ubpm1fjT3fuo7xlvrHQ+dAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:21.979100Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.1341","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d60fecd46bf7f48b64596606da8e94d7c2639176ca8e5696794a25e64badae3f","sha256:2c7ee9f3264b0fbb8b657db315f0752958d566c71bfa3498e1613129c467440d"],"state_sha256":"221ecd40cffa2345d05e37f076d9e7d5c748edb7e53aab35e428a272c5d597d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V7yhkaeO24MzLFQhpbYuX4fhiNdzJcDq8Jd4qhrvsMVIggP2ifCdBAIBT42CzPM4mQ9wljfbrBq0ZIzUel10Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T13:32:42.848192Z","bundle_sha256":"d006ec35b1d669f3b96c47148de98e4917b056a33afa4b4609ce49cfbd8c90ef"}}