{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:WTYCOA4WJPJGQ2AMNCLKLRSZPD","short_pith_number":"pith:WTYCOA4W","canonical_record":{"source":{"id":"1201.6522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-01-31T12:41:50Z","cross_cats_sorted":[],"title_canon_sha256":"34b9da85864f0d87d958a6997e3d85ccf916a047dcc76f1744095f91488977d9","abstract_canon_sha256":"dcc661135f4addc6133f59f14e96b03fc3b4886df9eae2198be1a76a883c11fa"},"schema_version":"1.0"},"canonical_sha256":"b4f02703964bd268680c6896a5c65978e8e984629f556d555a9957f278f0e196","source":{"kind":"arxiv","id":"1201.6522","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.6522","created_at":"2026-05-18T01:58:37Z"},{"alias_kind":"arxiv_version","alias_value":"1201.6522v1","created_at":"2026-05-18T01:58:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.6522","created_at":"2026-05-18T01:58:37Z"},{"alias_kind":"pith_short_12","alias_value":"WTYCOA4WJPJG","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"WTYCOA4WJPJGQ2AM","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"WTYCOA4W","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:WTYCOA4WJPJGQ2AMNCLKLRSZPD","target":"record","payload":{"canonical_record":{"source":{"id":"1201.6522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-01-31T12:41:50Z","cross_cats_sorted":[],"title_canon_sha256":"34b9da85864f0d87d958a6997e3d85ccf916a047dcc76f1744095f91488977d9","abstract_canon_sha256":"dcc661135f4addc6133f59f14e96b03fc3b4886df9eae2198be1a76a883c11fa"},"schema_version":"1.0"},"canonical_sha256":"b4f02703964bd268680c6896a5c65978e8e984629f556d555a9957f278f0e196","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:37.603095Z","signature_b64":"u6EJt15lRcTZMrruHpnKKH8CVJ5h2Ia3QLEZe9i+/bVOYdg+ckjOBsix0xhGpVEUIti3fhgnYqxFlOuNU8BdBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b4f02703964bd268680c6896a5c65978e8e984629f556d555a9957f278f0e196","last_reissued_at":"2026-05-18T01:58:37.602286Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:37.602286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.6522","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":"2026-05-18T01:58:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yswpoit6w/rThfTTT3ZtQaUESnRYBZY1KhA118DGPfwyvMevfKuirEO2GAPh/yVZryXosAYQchJjcMTExUgQBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T09:48:53.733330Z"},"content_sha256":"4099dd39a5182638d7a86759d6bcd19f2d529fb774030fde858a2ca922462a4b","schema_version":"1.0","event_id":"sha256:4099dd39a5182638d7a86759d6bcd19f2d529fb774030fde858a2ca922462a4b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:WTYCOA4WJPJGQ2AMNCLKLRSZPD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effect of starting materials on the superconducting properties of SmFeAsO1-xFx tapes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Chao Yao, Chengduo Wang, Chunlei Wang, Dongliang Wang, He Lin, Kazuo Watanabe, Satoshi Awaji, Xianping Zhang, Yanwei Ma, Zhaoshun Gao","submitted_at":"2012-01-31T12:41:50Z","abstract_excerpt":"SmFeAsO1-xFx tapes were prepared using three kinds of starting materials. It shows that the starting materials have an obvious effect on the impurity phases in final superconducting tapes. Compared with the other samples, the samples fabricated by SmAs, FeO, Fe2As, and SmF3 have the smallest arsenide impurity phase and voids. As a result, these samples possess much denser structure and better grain connectivity. Moreover, among the three kinds of samples fabricated in this work, this kind of sample has the highest zero-resistivity temperature ~40 K and largest critical current density ~4600 A/"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.6522","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":"2026-05-18T01:58:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tl+H214N29gO0JgfVEwpBLDedJ+Xdi5/q2QGk9ynJtXepRQ56o7oTAs7bpixZLSb0XqgOmtb4O7Kty5Qjn4aBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T09:48:53.733978Z"},"content_sha256":"8712d143e4ae9a9b7abd323da474c4769d233f4fe7bba0907743976d290da34f","schema_version":"1.0","event_id":"sha256:8712d143e4ae9a9b7abd323da474c4769d233f4fe7bba0907743976d290da34f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WTYCOA4WJPJGQ2AMNCLKLRSZPD/bundle.json","state_url":"https://pith.science/pith/WTYCOA4WJPJGQ2AMNCLKLRSZPD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WTYCOA4WJPJGQ2AMNCLKLRSZPD/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":"2026-05-25T09:48:53Z","links":{"resolver":"https://pith.science/pith/WTYCOA4WJPJGQ2AMNCLKLRSZPD","bundle":"https://pith.science/pith/WTYCOA4WJPJGQ2AMNCLKLRSZPD/bundle.json","state":"https://pith.science/pith/WTYCOA4WJPJGQ2AMNCLKLRSZPD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WTYCOA4WJPJGQ2AMNCLKLRSZPD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:WTYCOA4WJPJGQ2AMNCLKLRSZPD","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":"dcc661135f4addc6133f59f14e96b03fc3b4886df9eae2198be1a76a883c11fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-01-31T12:41:50Z","title_canon_sha256":"34b9da85864f0d87d958a6997e3d85ccf916a047dcc76f1744095f91488977d9"},"schema_version":"1.0","source":{"id":"1201.6522","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.6522","created_at":"2026-05-18T01:58:37Z"},{"alias_kind":"arxiv_version","alias_value":"1201.6522v1","created_at":"2026-05-18T01:58:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.6522","created_at":"2026-05-18T01:58:37Z"},{"alias_kind":"pith_short_12","alias_value":"WTYCOA4WJPJG","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"WTYCOA4WJPJGQ2AM","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"WTYCOA4W","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:8712d143e4ae9a9b7abd323da474c4769d233f4fe7bba0907743976d290da34f","target":"graph","created_at":"2026-05-18T01:58:37Z","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":"SmFeAsO1-xFx tapes were prepared using three kinds of starting materials. It shows that the starting materials have an obvious effect on the impurity phases in final superconducting tapes. Compared with the other samples, the samples fabricated by SmAs, FeO, Fe2As, and SmF3 have the smallest arsenide impurity phase and voids. As a result, these samples possess much denser structure and better grain connectivity. Moreover, among the three kinds of samples fabricated in this work, this kind of sample has the highest zero-resistivity temperature ~40 K and largest critical current density ~4600 A/","authors_text":"Chao Yao, Chengduo Wang, Chunlei Wang, Dongliang Wang, He Lin, Kazuo Watanabe, Satoshi Awaji, Xianping Zhang, Yanwei Ma, Zhaoshun Gao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-01-31T12:41:50Z","title":"Effect of starting materials on the superconducting properties of SmFeAsO1-xFx tapes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.6522","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":"sha256:4099dd39a5182638d7a86759d6bcd19f2d529fb774030fde858a2ca922462a4b","target":"record","created_at":"2026-05-18T01:58:37Z","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":"dcc661135f4addc6133f59f14e96b03fc3b4886df9eae2198be1a76a883c11fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-01-31T12:41:50Z","title_canon_sha256":"34b9da85864f0d87d958a6997e3d85ccf916a047dcc76f1744095f91488977d9"},"schema_version":"1.0","source":{"id":"1201.6522","kind":"arxiv","version":1}},"canonical_sha256":"b4f02703964bd268680c6896a5c65978e8e984629f556d555a9957f278f0e196","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b4f02703964bd268680c6896a5c65978e8e984629f556d555a9957f278f0e196","first_computed_at":"2026-05-18T01:58:37.602286Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:37.602286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u6EJt15lRcTZMrruHpnKKH8CVJ5h2Ia3QLEZe9i+/bVOYdg+ckjOBsix0xhGpVEUIti3fhgnYqxFlOuNU8BdBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:37.603095Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.6522","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4099dd39a5182638d7a86759d6bcd19f2d529fb774030fde858a2ca922462a4b","sha256:8712d143e4ae9a9b7abd323da474c4769d233f4fe7bba0907743976d290da34f"],"state_sha256":"74a06ee68bc04db574e8e0fa2813519cbfb08ae27dd387a6b0a1f6cf02040418"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rlrdli+IPhwNaSGFdH127UruFrl55xtP5FuALgqGFYRDCRFHPSjhQUR+BsyYVvqGD7uJF7MH2occDQxAWKg0Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T09:48:53.737445Z","bundle_sha256":"65c57b319e5f40f1f337526fd28e9a0aa68aea73d01038cfa621dae5a71775a6"}}