{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:HDURR7YK2NZSDOCMZGC6H66ERZ","short_pith_number":"pith:HDURR7YK","canonical_record":{"source":{"id":"1212.4044","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-12-17T16:00:44Z","cross_cats_sorted":[],"title_canon_sha256":"a8ade032fae96d89d2a8231ea1f3f1324d16c1c731adfb534eea4cc9060936b5","abstract_canon_sha256":"c3d6f2768237d848b3b055bdabc27538e7da5757660f279fc12de17823f8029c"},"schema_version":"1.0"},"canonical_sha256":"38e918ff0ad37321b84cc985e3fbc48e606f80a8610b9023e2bb4b9807c88d8f","source":{"kind":"arxiv","id":"1212.4044","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4044","created_at":"2026-05-18T03:36:36Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4044v1","created_at":"2026-05-18T03:36:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4044","created_at":"2026-05-18T03:36:36Z"},{"alias_kind":"pith_short_12","alias_value":"HDURR7YK2NZS","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HDURR7YK2NZSDOCM","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HDURR7YK","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:HDURR7YK2NZSDOCMZGC6H66ERZ","target":"record","payload":{"canonical_record":{"source":{"id":"1212.4044","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-12-17T16:00:44Z","cross_cats_sorted":[],"title_canon_sha256":"a8ade032fae96d89d2a8231ea1f3f1324d16c1c731adfb534eea4cc9060936b5","abstract_canon_sha256":"c3d6f2768237d848b3b055bdabc27538e7da5757660f279fc12de17823f8029c"},"schema_version":"1.0"},"canonical_sha256":"38e918ff0ad37321b84cc985e3fbc48e606f80a8610b9023e2bb4b9807c88d8f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:36.113869Z","signature_b64":"DuAqV5gm4y0fcmUFPtisG5JacvL/kYv6kJKFY4UIWbfaN5EZ94xJ/tscTczTY8z8s+E+r8/OuvQBy6cUQP10Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38e918ff0ad37321b84cc985e3fbc48e606f80a8610b9023e2bb4b9807c88d8f","last_reissued_at":"2026-05-18T03:36:36.113070Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:36.113070Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.4044","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":"2026-05-18T03:36:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HUG0DQloz9fUkA9/OCYT+slPV+74K4pTjqfE76AFZ93BsuFqhQhQmghkP0FshWHpf/O5Olg4HPDCs3zeWa+xCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:58:55.980853Z"},"content_sha256":"2a80b43e4632b3ea79baad92640b530bdaa1d1ee8bd20f01f53d06d3790c4182","schema_version":"1.0","event_id":"sha256:2a80b43e4632b3ea79baad92640b530bdaa1d1ee8bd20f01f53d06d3790c4182"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:HDURR7YK2NZSDOCMZGC6H66ERZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lessons from Oxypnictide Thin Films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Alexander Mietke, Franziska Onken, Martin Kidszun, Silvia Haindl, Thomas Thersleff","submitted_at":"2012-12-17T16:00:44Z","abstract_excerpt":"First experiments on the growth of oxypnictide F-doped LaFeAsO thin films indicated an incomplete normal-to-superconducting transition and offered a work programme challenging to overcome possible difficulties in their fabrication. In this regard the possibility of an all in-situ epitaxial growth appeared to be a matter of time and growth parameters. The following review clarifies that F-doped oxypnictide thin films are extremely difficult to grow by in-situ PLD due to the formation of very stable impurity phases such as oxyfluorides (LaOF) and oxides (La2O3) and the loss of stoichiometry poss"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4044","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":"2026-05-18T03:36:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/3m1d7dmB25vgzUYsW9ijK3tg6RkEhKVRMJNTILVun50QiXtQhh3lM8/jw5y39cJx6YDY3InKCkLZC7DTzLBDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:58:55.981496Z"},"content_sha256":"e289dbafa5a4366904488ed20137eba6ad9af8208af78541ea3fbd95154afc83","schema_version":"1.0","event_id":"sha256:e289dbafa5a4366904488ed20137eba6ad9af8208af78541ea3fbd95154afc83"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HDURR7YK2NZSDOCMZGC6H66ERZ/bundle.json","state_url":"https://pith.science/pith/HDURR7YK2NZSDOCMZGC6H66ERZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HDURR7YK2NZSDOCMZGC6H66ERZ/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":"2026-05-25T11:58:55Z","links":{"resolver":"https://pith.science/pith/HDURR7YK2NZSDOCMZGC6H66ERZ","bundle":"https://pith.science/pith/HDURR7YK2NZSDOCMZGC6H66ERZ/bundle.json","state":"https://pith.science/pith/HDURR7YK2NZSDOCMZGC6H66ERZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HDURR7YK2NZSDOCMZGC6H66ERZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HDURR7YK2NZSDOCMZGC6H66ERZ","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":"c3d6f2768237d848b3b055bdabc27538e7da5757660f279fc12de17823f8029c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-12-17T16:00:44Z","title_canon_sha256":"a8ade032fae96d89d2a8231ea1f3f1324d16c1c731adfb534eea4cc9060936b5"},"schema_version":"1.0","source":{"id":"1212.4044","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4044","created_at":"2026-05-18T03:36:36Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4044v1","created_at":"2026-05-18T03:36:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4044","created_at":"2026-05-18T03:36:36Z"},{"alias_kind":"pith_short_12","alias_value":"HDURR7YK2NZS","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HDURR7YK2NZSDOCM","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HDURR7YK","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:e289dbafa5a4366904488ed20137eba6ad9af8208af78541ea3fbd95154afc83","target":"graph","created_at":"2026-05-18T03:36:36Z","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":"First experiments on the growth of oxypnictide F-doped LaFeAsO thin films indicated an incomplete normal-to-superconducting transition and offered a work programme challenging to overcome possible difficulties in their fabrication. In this regard the possibility of an all in-situ epitaxial growth appeared to be a matter of time and growth parameters. The following review clarifies that F-doped oxypnictide thin films are extremely difficult to grow by in-situ PLD due to the formation of very stable impurity phases such as oxyfluorides (LaOF) and oxides (La2O3) and the loss of stoichiometry poss","authors_text":"Alexander Mietke, Franziska Onken, Martin Kidszun, Silvia Haindl, Thomas Thersleff","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-12-17T16:00:44Z","title":"Lessons from Oxypnictide Thin Films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4044","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":"sha256:2a80b43e4632b3ea79baad92640b530bdaa1d1ee8bd20f01f53d06d3790c4182","target":"record","created_at":"2026-05-18T03:36:36Z","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":"c3d6f2768237d848b3b055bdabc27538e7da5757660f279fc12de17823f8029c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-12-17T16:00:44Z","title_canon_sha256":"a8ade032fae96d89d2a8231ea1f3f1324d16c1c731adfb534eea4cc9060936b5"},"schema_version":"1.0","source":{"id":"1212.4044","kind":"arxiv","version":1}},"canonical_sha256":"38e918ff0ad37321b84cc985e3fbc48e606f80a8610b9023e2bb4b9807c88d8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38e918ff0ad37321b84cc985e3fbc48e606f80a8610b9023e2bb4b9807c88d8f","first_computed_at":"2026-05-18T03:36:36.113070Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:36:36.113070Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DuAqV5gm4y0fcmUFPtisG5JacvL/kYv6kJKFY4UIWbfaN5EZ94xJ/tscTczTY8z8s+E+r8/OuvQBy6cUQP10Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:36:36.113869Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.4044","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a80b43e4632b3ea79baad92640b530bdaa1d1ee8bd20f01f53d06d3790c4182","sha256:e289dbafa5a4366904488ed20137eba6ad9af8208af78541ea3fbd95154afc83"],"state_sha256":"105257d1a8d53eadf1c0bda78582d23afc3fdfe7c534b25b22b10dd75b626637"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aIBjlBDhB44JbiV2955zbHnUURNAH4CHpqFcPH0DzGbrGSH5TGcL5W565ZVLrn679K3ZfI9gAM/GAZKY0yjjCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T11:58:55.984882Z","bundle_sha256":"3e7c2c0b6844e5d86de1699692d9c3c8f7f4001f88d81c21668b02e9ba7b2553"}}