{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:234AK5APDHCBRZ5HDNOYQJA6UX","short_pith_number":"pith:234AK5AP","canonical_record":{"source":{"id":"1204.0613","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-03T07:34:26Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"62609e1263b28c7b905ef97948175902647281c3e75f98b193bda65a95877c3c","abstract_canon_sha256":"084f6712ff61ec742b73828fe008731bf9af0e8fa01a93d1412251dffd1d9884"},"schema_version":"1.0"},"canonical_sha256":"d6f805740f19c418e7a71b5d88241ea5d19f52540f648dacb561adb9825231b3","source":{"kind":"arxiv","id":"1204.0613","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.0613","created_at":"2026-05-18T03:58:39Z"},{"alias_kind":"arxiv_version","alias_value":"1204.0613v1","created_at":"2026-05-18T03:58:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.0613","created_at":"2026-05-18T03:58:39Z"},{"alias_kind":"pith_short_12","alias_value":"234AK5APDHCB","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"234AK5APDHCBRZ5H","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"234AK5AP","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:234AK5APDHCBRZ5HDNOYQJA6UX","target":"record","payload":{"canonical_record":{"source":{"id":"1204.0613","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-03T07:34:26Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"62609e1263b28c7b905ef97948175902647281c3e75f98b193bda65a95877c3c","abstract_canon_sha256":"084f6712ff61ec742b73828fe008731bf9af0e8fa01a93d1412251dffd1d9884"},"schema_version":"1.0"},"canonical_sha256":"d6f805740f19c418e7a71b5d88241ea5d19f52540f648dacb561adb9825231b3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:58:39.003739Z","signature_b64":"SzK/8Z+1MklD6MUHMMaRLt+6SX98rtM3MZeMbzJvHmUyUULMEnc1HMfcGrUUV9/dgrFrCSgS8VwQiTxqp2p4Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6f805740f19c418e7a71b5d88241ea5d19f52540f648dacb561adb9825231b3","last_reissued_at":"2026-05-18T03:58:39.003114Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:58:39.003114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.0613","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":"2026-05-18T03:58:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mdV9rzUQAxZHcnxqlg0qJB95qEGWV19fnz9owBGhRk59qH2mT0d1fhBTqyW/wXYgN57ZuRHO0j3OWbMrScCHDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T10:40:27.787916Z"},"content_sha256":"4cfba2bf0a8419f888fe0723a078072fd5938dbd7d2222c91569d21b3f9dad24","schema_version":"1.0","event_id":"sha256:4cfba2bf0a8419f888fe0723a078072fd5938dbd7d2222c91569d21b3f9dad24"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:234AK5APDHCBRZ5HDNOYQJA6UX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Large local disorder in the superconducting K_{0.8}Fe_{1.6}Se_{2} studied by extended x-ray absorption fine structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"cond-mat.supr-con","authors_text":"Alessandro Puri, Antonella Iadecola, Boby Joseph, Hiroyuki Takeya, Laura Simonelli, Naurang Lal Saini, Yoshihiko Takano, Yoshikazu Mizuguchi","submitted_at":"2012-04-03T07:34:26Z","abstract_excerpt":"We have measured local structure of superconducting K_{0.8}Fe_{1.6}Se_{2} chalcogenide (T_{c}=31.8 K) by temperature dependent polarized extended x-ray absorption fine structure (EXAFS) at the Fe and Se K-edges. We find that the system is characterized by a large local disorder. The Fe-Se and Fe-Fe distances are found to be shorter than the distances measured by diffraction, while the corresponding mean square relative displacements reveal large Fe-site disorder and relatively large c-axis disorder. The local force constant for Fe-Se bondlength (k ~ 5.8 eV/\\AA^{2}) is similar to the one found "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.0613","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":"2026-05-18T03:58:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JdCRps46pPejU2omPRZGdQkbCf2oZL87d/pqBqhf/PzUHSHHpS8HB8g3TVz7Ak+qt1A2ud+BEWEqUA8og6txBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T10:40:27.788755Z"},"content_sha256":"a8e849b27e618884b3a27f03ad2cfbac21650a0e6f54f60469c513f82305cbe8","schema_version":"1.0","event_id":"sha256:a8e849b27e618884b3a27f03ad2cfbac21650a0e6f54f60469c513f82305cbe8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/234AK5APDHCBRZ5HDNOYQJA6UX/bundle.json","state_url":"https://pith.science/pith/234AK5APDHCBRZ5HDNOYQJA6UX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/234AK5APDHCBRZ5HDNOYQJA6UX/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":"2026-05-31T10:40:27Z","links":{"resolver":"https://pith.science/pith/234AK5APDHCBRZ5HDNOYQJA6UX","bundle":"https://pith.science/pith/234AK5APDHCBRZ5HDNOYQJA6UX/bundle.json","state":"https://pith.science/pith/234AK5APDHCBRZ5HDNOYQJA6UX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/234AK5APDHCBRZ5HDNOYQJA6UX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:234AK5APDHCBRZ5HDNOYQJA6UX","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":"084f6712ff61ec742b73828fe008731bf9af0e8fa01a93d1412251dffd1d9884","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-03T07:34:26Z","title_canon_sha256":"62609e1263b28c7b905ef97948175902647281c3e75f98b193bda65a95877c3c"},"schema_version":"1.0","source":{"id":"1204.0613","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.0613","created_at":"2026-05-18T03:58:39Z"},{"alias_kind":"arxiv_version","alias_value":"1204.0613v1","created_at":"2026-05-18T03:58:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.0613","created_at":"2026-05-18T03:58:39Z"},{"alias_kind":"pith_short_12","alias_value":"234AK5APDHCB","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"234AK5APDHCBRZ5H","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"234AK5AP","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:a8e849b27e618884b3a27f03ad2cfbac21650a0e6f54f60469c513f82305cbe8","target":"graph","created_at":"2026-05-18T03:58:39Z","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 measured local structure of superconducting K_{0.8}Fe_{1.6}Se_{2} chalcogenide (T_{c}=31.8 K) by temperature dependent polarized extended x-ray absorption fine structure (EXAFS) at the Fe and Se K-edges. We find that the system is characterized by a large local disorder. The Fe-Se and Fe-Fe distances are found to be shorter than the distances measured by diffraction, while the corresponding mean square relative displacements reveal large Fe-site disorder and relatively large c-axis disorder. The local force constant for Fe-Se bondlength (k ~ 5.8 eV/\\AA^{2}) is similar to the one found ","authors_text":"Alessandro Puri, Antonella Iadecola, Boby Joseph, Hiroyuki Takeya, Laura Simonelli, Naurang Lal Saini, Yoshihiko Takano, Yoshikazu Mizuguchi","cross_cats":["physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-03T07:34:26Z","title":"Large local disorder in the superconducting K_{0.8}Fe_{1.6}Se_{2} studied by extended x-ray absorption fine structure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.0613","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":"sha256:4cfba2bf0a8419f888fe0723a078072fd5938dbd7d2222c91569d21b3f9dad24","target":"record","created_at":"2026-05-18T03:58:39Z","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":"084f6712ff61ec742b73828fe008731bf9af0e8fa01a93d1412251dffd1d9884","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-03T07:34:26Z","title_canon_sha256":"62609e1263b28c7b905ef97948175902647281c3e75f98b193bda65a95877c3c"},"schema_version":"1.0","source":{"id":"1204.0613","kind":"arxiv","version":1}},"canonical_sha256":"d6f805740f19c418e7a71b5d88241ea5d19f52540f648dacb561adb9825231b3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6f805740f19c418e7a71b5d88241ea5d19f52540f648dacb561adb9825231b3","first_computed_at":"2026-05-18T03:58:39.003114Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:58:39.003114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SzK/8Z+1MklD6MUHMMaRLt+6SX98rtM3MZeMbzJvHmUyUULMEnc1HMfcGrUUV9/dgrFrCSgS8VwQiTxqp2p4Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:58:39.003739Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.0613","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4cfba2bf0a8419f888fe0723a078072fd5938dbd7d2222c91569d21b3f9dad24","sha256:a8e849b27e618884b3a27f03ad2cfbac21650a0e6f54f60469c513f82305cbe8"],"state_sha256":"81db8062405b306b2e0fce04610e92c28ce46d5cee6faf3a2571404414433f8f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1lWTcwBEman0UYbBKMKqcm6oPlCA7clmLMtZmqpbr7zROIXgIQN8T8SRRcsMIEdM7+XdghKyxUeEikaXkMXNBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T10:40:27.793454Z","bundle_sha256":"8820d89e38c3624d06631ff53c3dbab02c5b3248b74b6d463aa216e37432c9d3"}}