{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ENPJG2PX5HS4OHJ6F4RTDBG5IK","short_pith_number":"pith:ENPJG2PX","canonical_record":{"source":{"id":"1901.01478","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-01-06T00:42:11Z","cross_cats_sorted":[],"title_canon_sha256":"3d0a6c3bb2161e8f3d9e119c1cffef4d4d6079b6ef1550702b15757c4ff4fb11","abstract_canon_sha256":"2f8f152e2c327fdf0d28e16e910ce50c8b0ec6661b5fc68d4f31248f18a885e8"},"schema_version":"1.0"},"canonical_sha256":"235e9369f7e9e5c71d3e2f233184dd42a0e9dacdb06787cecab70ae7a1ed6814","source":{"kind":"arxiv","id":"1901.01478","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.01478","created_at":"2026-05-17T23:56:51Z"},{"alias_kind":"arxiv_version","alias_value":"1901.01478v1","created_at":"2026-05-17T23:56:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.01478","created_at":"2026-05-17T23:56:51Z"},{"alias_kind":"pith_short_12","alias_value":"ENPJG2PX5HS4","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"ENPJG2PX5HS4OHJ6","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"ENPJG2PX","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ENPJG2PX5HS4OHJ6F4RTDBG5IK","target":"record","payload":{"canonical_record":{"source":{"id":"1901.01478","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-01-06T00:42:11Z","cross_cats_sorted":[],"title_canon_sha256":"3d0a6c3bb2161e8f3d9e119c1cffef4d4d6079b6ef1550702b15757c4ff4fb11","abstract_canon_sha256":"2f8f152e2c327fdf0d28e16e910ce50c8b0ec6661b5fc68d4f31248f18a885e8"},"schema_version":"1.0"},"canonical_sha256":"235e9369f7e9e5c71d3e2f233184dd42a0e9dacdb06787cecab70ae7a1ed6814","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:51.931959Z","signature_b64":"YqroR4kKAdPNKyL6cg0iU3s6iilUkdAgc8OUPTcCPBP6MHBKEOeBdGmjHDUPXzknS6WvGPv61EKtaw9GJ1FUAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"235e9369f7e9e5c71d3e2f233184dd42a0e9dacdb06787cecab70ae7a1ed6814","last_reissued_at":"2026-05-17T23:56:51.931564Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:51.931564Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.01478","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":"2026-05-17T23:56:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CVWjAtfKk7zxtLNRK7Eod8K+v+W30WkyLSpMQoO3DoTrabye3TDGgEpP9iukyWarzg1X3oGYFHscyU0x2AAdAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:59:01.511266Z"},"content_sha256":"b1d0abf51ad7b628ea592218c72570c063fe8c71069353cafce3a1d7ca552727","schema_version":"1.0","event_id":"sha256:b1d0abf51ad7b628ea592218c72570c063fe8c71069353cafce3a1d7ca552727"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ENPJG2PX5HS4OHJ6F4RTDBG5IK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Novel method to study strain effect of thin films using a piezoelectric-based device and a flexible metallic substrate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Bernhard Holzapfel, Hiroshi Ikuta, Jens H\\\"anisch, Kazumasa Iida, Marco Langer, Takafumi Hatano, Takahiro Urata, Yuwa Sugimoto","submitted_at":"2019-01-06T00:42:11Z","abstract_excerpt":"For applying tensile or compressive uniaxial strain to functional thin films, we propose a novel approach in combining a piezoelectric-based device and a technical metallic substrate used widely in the 2nd generation coated conductors (i.e. superconducting tapes). A strain-induced shift of the superconducting transition temperature of 0.1 K for Co-doped BaFe2As2 was observed along [100] direction, corresponding to a uniaxial pressure derivative dTc/dp100=-4 K/GPa. For Mn3CuN, a uniaxial strain derivative along [100] direction of the Curie temperature dTC/de100=13 K/% was observed. The current "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.01478","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":"2026-05-17T23:56:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4msfjaGEAZ+jlRDgckZGQjdz/cJ/7XI4s4YY6lbIiehnu446CPxkaRx+vCAPy1ZZRTZjWunQgusErCD2DbhwDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:59:01.511961Z"},"content_sha256":"c7aa7de78deb2e0ecd4da6c5147d4cecdf9defab5799cea48f1790f77d195e8d","schema_version":"1.0","event_id":"sha256:c7aa7de78deb2e0ecd4da6c5147d4cecdf9defab5799cea48f1790f77d195e8d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ENPJG2PX5HS4OHJ6F4RTDBG5IK/bundle.json","state_url":"https://pith.science/pith/ENPJG2PX5HS4OHJ6F4RTDBG5IK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ENPJG2PX5HS4OHJ6F4RTDBG5IK/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":"2026-05-26T09:59:01Z","links":{"resolver":"https://pith.science/pith/ENPJG2PX5HS4OHJ6F4RTDBG5IK","bundle":"https://pith.science/pith/ENPJG2PX5HS4OHJ6F4RTDBG5IK/bundle.json","state":"https://pith.science/pith/ENPJG2PX5HS4OHJ6F4RTDBG5IK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ENPJG2PX5HS4OHJ6F4RTDBG5IK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ENPJG2PX5HS4OHJ6F4RTDBG5IK","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":"2f8f152e2c327fdf0d28e16e910ce50c8b0ec6661b5fc68d4f31248f18a885e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-01-06T00:42:11Z","title_canon_sha256":"3d0a6c3bb2161e8f3d9e119c1cffef4d4d6079b6ef1550702b15757c4ff4fb11"},"schema_version":"1.0","source":{"id":"1901.01478","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.01478","created_at":"2026-05-17T23:56:51Z"},{"alias_kind":"arxiv_version","alias_value":"1901.01478v1","created_at":"2026-05-17T23:56:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.01478","created_at":"2026-05-17T23:56:51Z"},{"alias_kind":"pith_short_12","alias_value":"ENPJG2PX5HS4","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"ENPJG2PX5HS4OHJ6","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"ENPJG2PX","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:c7aa7de78deb2e0ecd4da6c5147d4cecdf9defab5799cea48f1790f77d195e8d","target":"graph","created_at":"2026-05-17T23:56:51Z","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":"For applying tensile or compressive uniaxial strain to functional thin films, we propose a novel approach in combining a piezoelectric-based device and a technical metallic substrate used widely in the 2nd generation coated conductors (i.e. superconducting tapes). A strain-induced shift of the superconducting transition temperature of 0.1 K for Co-doped BaFe2As2 was observed along [100] direction, corresponding to a uniaxial pressure derivative dTc/dp100=-4 K/GPa. For Mn3CuN, a uniaxial strain derivative along [100] direction of the Curie temperature dTC/de100=13 K/% was observed. The current ","authors_text":"Bernhard Holzapfel, Hiroshi Ikuta, Jens H\\\"anisch, Kazumasa Iida, Marco Langer, Takafumi Hatano, Takahiro Urata, Yuwa Sugimoto","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-01-06T00:42:11Z","title":"Novel method to study strain effect of thin films using a piezoelectric-based device and a flexible metallic substrate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.01478","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:b1d0abf51ad7b628ea592218c72570c063fe8c71069353cafce3a1d7ca552727","target":"record","created_at":"2026-05-17T23:56:51Z","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":"2f8f152e2c327fdf0d28e16e910ce50c8b0ec6661b5fc68d4f31248f18a885e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2019-01-06T00:42:11Z","title_canon_sha256":"3d0a6c3bb2161e8f3d9e119c1cffef4d4d6079b6ef1550702b15757c4ff4fb11"},"schema_version":"1.0","source":{"id":"1901.01478","kind":"arxiv","version":1}},"canonical_sha256":"235e9369f7e9e5c71d3e2f233184dd42a0e9dacdb06787cecab70ae7a1ed6814","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"235e9369f7e9e5c71d3e2f233184dd42a0e9dacdb06787cecab70ae7a1ed6814","first_computed_at":"2026-05-17T23:56:51.931564Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:51.931564Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YqroR4kKAdPNKyL6cg0iU3s6iilUkdAgc8OUPTcCPBP6MHBKEOeBdGmjHDUPXzknS6WvGPv61EKtaw9GJ1FUAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:51.931959Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.01478","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1d0abf51ad7b628ea592218c72570c063fe8c71069353cafce3a1d7ca552727","sha256:c7aa7de78deb2e0ecd4da6c5147d4cecdf9defab5799cea48f1790f77d195e8d"],"state_sha256":"65d3f42036d55fe1ab8a3ffb763a40f530363a0e4eab9801093666368e3d149d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CWknNf6TiUkNF6FY+sLVJuyyCbCi04+hGQrTMxrDC5co6Sg55+9BiFB51Us/jou1SUNMUIfWtTe6G8Eoi/9FBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:59:01.515106Z","bundle_sha256":"695c7ae99c77777743ccd0acf6c06855b3f06454fd1bd48a3b2ddd2c555723f7"}}