{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:R53YJ2XVIONMKCPDKFR54ZS4T5","short_pith_number":"pith:R53YJ2XV","canonical_record":{"source":{"id":"1011.0884","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-11-03T14:01:03Z","cross_cats_sorted":[],"title_canon_sha256":"4c8e2c63f40f64a0867b31c4a8868978216d94a612af8a94e7c94f364ce5b7e9","abstract_canon_sha256":"89de43953796c89acf685519448a9eae496ac17de1bd07f1f78897333729afd9"},"schema_version":"1.0"},"canonical_sha256":"8f7784eaf5439ac509e35163de665c9f7308fd2e4338d212e97b020a3ab1e688","source":{"kind":"arxiv","id":"1011.0884","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.0884","created_at":"2026-05-18T04:26:21Z"},{"alias_kind":"arxiv_version","alias_value":"1011.0884v2","created_at":"2026-05-18T04:26:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.0884","created_at":"2026-05-18T04:26:21Z"},{"alias_kind":"pith_short_12","alias_value":"R53YJ2XVIONM","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"R53YJ2XVIONMKCPD","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"R53YJ2XV","created_at":"2026-05-18T12:26:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:R53YJ2XVIONMKCPDKFR54ZS4T5","target":"record","payload":{"canonical_record":{"source":{"id":"1011.0884","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-11-03T14:01:03Z","cross_cats_sorted":[],"title_canon_sha256":"4c8e2c63f40f64a0867b31c4a8868978216d94a612af8a94e7c94f364ce5b7e9","abstract_canon_sha256":"89de43953796c89acf685519448a9eae496ac17de1bd07f1f78897333729afd9"},"schema_version":"1.0"},"canonical_sha256":"8f7784eaf5439ac509e35163de665c9f7308fd2e4338d212e97b020a3ab1e688","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:21.588928Z","signature_b64":"YoV7O7KLmUJg+e31GhlS8YyYg9YRcq4q5ocmlOUVcsYZK2PrWvBRci1MSs//8v4tFFlqimFFvvddob+5HDKDCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f7784eaf5439ac509e35163de665c9f7308fd2e4338d212e97b020a3ab1e688","last_reissued_at":"2026-05-18T04:26:21.588457Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:21.588457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.0884","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:26:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4a6AmIk7Q4Mhws1ueooJhsTSXhUjf+1WQ0J1cgx4aAKBdTYUh+z1tDGuli8vNfM5ImJM4kolMntlA/xVaOAiCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:54:05.715026Z"},"content_sha256":"53f8417e4e332bfe0193c17b375670a04d05c621e5d5d3106a630a3c2e8d9729","schema_version":"1.0","event_id":"sha256:53f8417e4e332bfe0193c17b375670a04d05c621e5d5d3106a630a3c2e8d9729"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:R53YJ2XVIONMKCPDKFR54ZS4T5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single crystal growth of BaFe$_{2-x}$Co$_x$As$_2$ without fluxing agent","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Changjin Zhang, Chuanying Xi, Langsheng Ling, Lei Zhang, Shun Tan, Yuheng Zhang","submitted_at":"2010-11-03T14:01:03Z","abstract_excerpt":"We report a simple, reliable method to grow high quality BaFe$_{2-x}$Co$_x$As$_2$ single crystal samples without using any fluxing agent. The starting materials for the single crystal growth come from well-crystallized polycrystalline samples and the highest growing temperature can be 1493 K. The as-grown crystals have typical dimensions of 4$\\times3\\times$0.5 mm$^3$ with c-axis perpendicular to the shining surface. We find that the samples have very large current carrying ability, indicating that the samples have good potential technological applications."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.0884","kind":"arxiv","version":2},"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":"2026-05-18T04:26:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RoRYpH10+HuoAHs4CFqagEVbCy3KVV4hgCjdUaGtQfwHtfi09PDdIkypElAi9LNYgts7M8/mfJ7oVEW4Uz55AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:54:05.715684Z"},"content_sha256":"aa80e2f62e643401120a76d6dd76c44d23a2e634f5de86686f16f769a5e058bc","schema_version":"1.0","event_id":"sha256:aa80e2f62e643401120a76d6dd76c44d23a2e634f5de86686f16f769a5e058bc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R53YJ2XVIONMKCPDKFR54ZS4T5/bundle.json","state_url":"https://pith.science/pith/R53YJ2XVIONMKCPDKFR54ZS4T5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R53YJ2XVIONMKCPDKFR54ZS4T5/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":"2026-05-27T16:54:05Z","links":{"resolver":"https://pith.science/pith/R53YJ2XVIONMKCPDKFR54ZS4T5","bundle":"https://pith.science/pith/R53YJ2XVIONMKCPDKFR54ZS4T5/bundle.json","state":"https://pith.science/pith/R53YJ2XVIONMKCPDKFR54ZS4T5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R53YJ2XVIONMKCPDKFR54ZS4T5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:R53YJ2XVIONMKCPDKFR54ZS4T5","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":"89de43953796c89acf685519448a9eae496ac17de1bd07f1f78897333729afd9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-11-03T14:01:03Z","title_canon_sha256":"4c8e2c63f40f64a0867b31c4a8868978216d94a612af8a94e7c94f364ce5b7e9"},"schema_version":"1.0","source":{"id":"1011.0884","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.0884","created_at":"2026-05-18T04:26:21Z"},{"alias_kind":"arxiv_version","alias_value":"1011.0884v2","created_at":"2026-05-18T04:26:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.0884","created_at":"2026-05-18T04:26:21Z"},{"alias_kind":"pith_short_12","alias_value":"R53YJ2XVIONM","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"R53YJ2XVIONMKCPD","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"R53YJ2XV","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:aa80e2f62e643401120a76d6dd76c44d23a2e634f5de86686f16f769a5e058bc","target":"graph","created_at":"2026-05-18T04:26:21Z","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":"We report a simple, reliable method to grow high quality BaFe$_{2-x}$Co$_x$As$_2$ single crystal samples without using any fluxing agent. The starting materials for the single crystal growth come from well-crystallized polycrystalline samples and the highest growing temperature can be 1493 K. The as-grown crystals have typical dimensions of 4$\\times3\\times$0.5 mm$^3$ with c-axis perpendicular to the shining surface. We find that the samples have very large current carrying ability, indicating that the samples have good potential technological applications.","authors_text":"Changjin Zhang, Chuanying Xi, Langsheng Ling, Lei Zhang, Shun Tan, Yuheng Zhang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-11-03T14:01:03Z","title":"Single crystal growth of BaFe$_{2-x}$Co$_x$As$_2$ without fluxing agent"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.0884","kind":"arxiv","version":2},"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":"sha256:53f8417e4e332bfe0193c17b375670a04d05c621e5d5d3106a630a3c2e8d9729","target":"record","created_at":"2026-05-18T04:26:21Z","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":"89de43953796c89acf685519448a9eae496ac17de1bd07f1f78897333729afd9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-11-03T14:01:03Z","title_canon_sha256":"4c8e2c63f40f64a0867b31c4a8868978216d94a612af8a94e7c94f364ce5b7e9"},"schema_version":"1.0","source":{"id":"1011.0884","kind":"arxiv","version":2}},"canonical_sha256":"8f7784eaf5439ac509e35163de665c9f7308fd2e4338d212e97b020a3ab1e688","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f7784eaf5439ac509e35163de665c9f7308fd2e4338d212e97b020a3ab1e688","first_computed_at":"2026-05-18T04:26:21.588457Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:21.588457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YoV7O7KLmUJg+e31GhlS8YyYg9YRcq4q5ocmlOUVcsYZK2PrWvBRci1MSs//8v4tFFlqimFFvvddob+5HDKDCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:21.588928Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.0884","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53f8417e4e332bfe0193c17b375670a04d05c621e5d5d3106a630a3c2e8d9729","sha256:aa80e2f62e643401120a76d6dd76c44d23a2e634f5de86686f16f769a5e058bc"],"state_sha256":"99347f5aaa8f7c1b85c5ab35aedefc3fc60f69fd6ccf3281d9656060296155f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"snVowmcEHhxYm8hjyChnIL99/8yH8T7Cug7fw/a7hGGvwQm4akOsRd0fUGUHh2yLtj6EEZnRrhOpjC51nF0jDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T16:54:05.719218Z","bundle_sha256":"956af98bf237b1a6cbae48965a4940f51effb7154faeadb861a75bdf250a6d38"}}