{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:5KKSICAOZO2DNHZ6WWNDDCVBNK","short_pith_number":"pith:5KKSICAO","canonical_record":{"source":{"id":"1501.06745","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-01-27T11:14:29Z","cross_cats_sorted":[],"title_canon_sha256":"931d2a6fb0b430b3669f17d8c82edd3fd312fbc91e0a6c57ad90414e836a5fce","abstract_canon_sha256":"23ab7dc3068d60d7e1ec27a2d5683714eadfa20fff6a7c5f6437628848ed3add"},"schema_version":"1.0"},"canonical_sha256":"ea9524080ecbb4369f3eb59a318aa16aa53b5686e8b8343ec7d7a2577f90921f","source":{"kind":"arxiv","id":"1501.06745","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.06745","created_at":"2026-05-18T02:28:39Z"},{"alias_kind":"arxiv_version","alias_value":"1501.06745v1","created_at":"2026-05-18T02:28:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.06745","created_at":"2026-05-18T02:28:39Z"},{"alias_kind":"pith_short_12","alias_value":"5KKSICAOZO2D","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"5KKSICAOZO2DNHZ6","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"5KKSICAO","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:5KKSICAOZO2DNHZ6WWNDDCVBNK","target":"record","payload":{"canonical_record":{"source":{"id":"1501.06745","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-01-27T11:14:29Z","cross_cats_sorted":[],"title_canon_sha256":"931d2a6fb0b430b3669f17d8c82edd3fd312fbc91e0a6c57ad90414e836a5fce","abstract_canon_sha256":"23ab7dc3068d60d7e1ec27a2d5683714eadfa20fff6a7c5f6437628848ed3add"},"schema_version":"1.0"},"canonical_sha256":"ea9524080ecbb4369f3eb59a318aa16aa53b5686e8b8343ec7d7a2577f90921f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:28:39.191585Z","signature_b64":"htLuW5v+Dc3QM24GEqWOsx5QRn8QEcHNbbeIIQ1HetSQvRXV0AxCsrmNGu5BP36doXe13JNLSg4DrippN0Y3AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea9524080ecbb4369f3eb59a318aa16aa53b5686e8b8343ec7d7a2577f90921f","last_reissued_at":"2026-05-18T02:28:39.190944Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:28:39.190944Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.06745","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":"2026-05-18T02:28:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/RwW1rrq3ZQEVV+g3XbWQgB+73mtJ5EwvT4U+prKnSvOhbJwUo/V0TsjXOkPM8urNT9JoEZRx/R7SC2PDxtbCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:40:09.059220Z"},"content_sha256":"7a583c5df48816dd746ba3da4d8813d11c759bb30870b8375af6e30440ac9b16","schema_version":"1.0","event_id":"sha256:7a583c5df48816dd746ba3da4d8813d11c759bb30870b8375af6e30440ac9b16"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:5KKSICAOZO2DNHZ6WWNDDCVBNK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct observation of nanoscale interface phase in the superconducting chalcogenide K$_{x}$Fe$_{2-y}$Se$_2$ with intrinsic phase separation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Bianconi, A. Ricci, A. Schavkan, A. Zozulya, B. Joseph, D. Innocenti, F. Coneri, F. Westermeier, G. Campi, H. Takeya, M. Sprung, N.L. Saini, N. Poccia, T. Mizokawa, Y. Mizuguchi, Y. Takano","submitted_at":"2015-01-27T11:14:29Z","abstract_excerpt":"We have used scanning micro x-ray diffraction to characterize different phases in superconducting K$_{x}$Fe$_{2-y}$Se$_2$ as a function of temperature, unveiling the thermal evolution across the superconducting transition temperature (T$_c\\sim$32 K), phase separation temperature (T$_{ps}\\sim$520 K) and iron-vacancy order temperature (T$_{vo}\\sim$580 K). In addition to the iron-vacancy ordered tetragonal magnetic phase and orthorhombic metallic minority filamentary phase, we have found a clear evidence of the interface phase with tetragonal symmetry. The metallic phase is surrounded by this int"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.06745","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":"2026-05-18T02:28:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DNPHuKjDhbrLKLnu12/JfH0w3b075R24cJtvSZ6gEE5pQV1tq2xP7a7hRE0ybWWCa7zIZ/HF+UwrE6VLNCBQDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:40:09.059883Z"},"content_sha256":"b9a942c77c9880f1611e6965624199417c372f45073779bfb494b47f34178801","schema_version":"1.0","event_id":"sha256:b9a942c77c9880f1611e6965624199417c372f45073779bfb494b47f34178801"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5KKSICAOZO2DNHZ6WWNDDCVBNK/bundle.json","state_url":"https://pith.science/pith/5KKSICAOZO2DNHZ6WWNDDCVBNK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5KKSICAOZO2DNHZ6WWNDDCVBNK/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":"2026-05-29T21:40:09Z","links":{"resolver":"https://pith.science/pith/5KKSICAOZO2DNHZ6WWNDDCVBNK","bundle":"https://pith.science/pith/5KKSICAOZO2DNHZ6WWNDDCVBNK/bundle.json","state":"https://pith.science/pith/5KKSICAOZO2DNHZ6WWNDDCVBNK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5KKSICAOZO2DNHZ6WWNDDCVBNK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:5KKSICAOZO2DNHZ6WWNDDCVBNK","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":"23ab7dc3068d60d7e1ec27a2d5683714eadfa20fff6a7c5f6437628848ed3add","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-01-27T11:14:29Z","title_canon_sha256":"931d2a6fb0b430b3669f17d8c82edd3fd312fbc91e0a6c57ad90414e836a5fce"},"schema_version":"1.0","source":{"id":"1501.06745","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.06745","created_at":"2026-05-18T02:28:39Z"},{"alias_kind":"arxiv_version","alias_value":"1501.06745v1","created_at":"2026-05-18T02:28:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.06745","created_at":"2026-05-18T02:28:39Z"},{"alias_kind":"pith_short_12","alias_value":"5KKSICAOZO2D","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"5KKSICAOZO2DNHZ6","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"5KKSICAO","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:b9a942c77c9880f1611e6965624199417c372f45073779bfb494b47f34178801","target":"graph","created_at":"2026-05-18T02:28:39Z","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 have used scanning micro x-ray diffraction to characterize different phases in superconducting K$_{x}$Fe$_{2-y}$Se$_2$ as a function of temperature, unveiling the thermal evolution across the superconducting transition temperature (T$_c\\sim$32 K), phase separation temperature (T$_{ps}\\sim$520 K) and iron-vacancy order temperature (T$_{vo}\\sim$580 K). In addition to the iron-vacancy ordered tetragonal magnetic phase and orthorhombic metallic minority filamentary phase, we have found a clear evidence of the interface phase with tetragonal symmetry. The metallic phase is surrounded by this int","authors_text":"A. Bianconi, A. Ricci, A. Schavkan, A. Zozulya, B. Joseph, D. Innocenti, F. Coneri, F. Westermeier, G. Campi, H. Takeya, M. Sprung, N.L. Saini, N. Poccia, T. Mizokawa, Y. Mizuguchi, Y. Takano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-01-27T11:14:29Z","title":"Direct observation of nanoscale interface phase in the superconducting chalcogenide K$_{x}$Fe$_{2-y}$Se$_2$ with intrinsic phase separation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.06745","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":"sha256:7a583c5df48816dd746ba3da4d8813d11c759bb30870b8375af6e30440ac9b16","target":"record","created_at":"2026-05-18T02:28:39Z","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":"23ab7dc3068d60d7e1ec27a2d5683714eadfa20fff6a7c5f6437628848ed3add","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-01-27T11:14:29Z","title_canon_sha256":"931d2a6fb0b430b3669f17d8c82edd3fd312fbc91e0a6c57ad90414e836a5fce"},"schema_version":"1.0","source":{"id":"1501.06745","kind":"arxiv","version":1}},"canonical_sha256":"ea9524080ecbb4369f3eb59a318aa16aa53b5686e8b8343ec7d7a2577f90921f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea9524080ecbb4369f3eb59a318aa16aa53b5686e8b8343ec7d7a2577f90921f","first_computed_at":"2026-05-18T02:28:39.190944Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:28:39.190944Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"htLuW5v+Dc3QM24GEqWOsx5QRn8QEcHNbbeIIQ1HetSQvRXV0AxCsrmNGu5BP36doXe13JNLSg4DrippN0Y3AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:28:39.191585Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.06745","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a583c5df48816dd746ba3da4d8813d11c759bb30870b8375af6e30440ac9b16","sha256:b9a942c77c9880f1611e6965624199417c372f45073779bfb494b47f34178801"],"state_sha256":"307873e435bf250fbb6fb3fd6cfddd8c801d12fe31c44b026faa277fe82e9e46"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"avKak5W+vP9MlYIaWj+wtyhMZmWRZ9eFhtJxJfqhX3jVzfahgFSi+xg7QmqC8NptILQPq0wJMs1wPiZvEQRKDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T21:40:09.063434Z","bundle_sha256":"479ee6aae06def7e92857374fe17615a78c8ace28925695166d38c910e3e0c58"}}