{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:Y7N2TKSAQKJ3AAIV36MGRV7PE4","short_pith_number":"pith:Y7N2TKSA","canonical_record":{"source":{"id":"1811.02430","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-11-06T15:40:41Z","cross_cats_sorted":[],"title_canon_sha256":"b7758fe3fe9c9f389e4ff5cdda284574c5f38f3ed6174d580dbf2a770fcfef9c","abstract_canon_sha256":"8019fa97dd98d6fb47f63ddd54f19a21e8160fbd5ea577d0711d0424ba7aca4d"},"schema_version":"1.0"},"canonical_sha256":"c7dba9aa408293b00115df9868d7ef273d768941baeb830cf4e3f79bb2caba18","source":{"kind":"arxiv","id":"1811.02430","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.02430","created_at":"2026-07-04T23:50:35Z"},{"alias_kind":"arxiv_version","alias_value":"1811.02430v2","created_at":"2026-07-04T23:50:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.02430","created_at":"2026-07-04T23:50:35Z"},{"alias_kind":"pith_short_12","alias_value":"Y7N2TKSAQKJ3","created_at":"2026-07-04T23:50:35Z"},{"alias_kind":"pith_short_16","alias_value":"Y7N2TKSAQKJ3AAIV","created_at":"2026-07-04T23:50:35Z"},{"alias_kind":"pith_short_8","alias_value":"Y7N2TKSA","created_at":"2026-07-04T23:50:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:Y7N2TKSAQKJ3AAIV36MGRV7PE4","target":"record","payload":{"canonical_record":{"source":{"id":"1811.02430","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-11-06T15:40:41Z","cross_cats_sorted":[],"title_canon_sha256":"b7758fe3fe9c9f389e4ff5cdda284574c5f38f3ed6174d580dbf2a770fcfef9c","abstract_canon_sha256":"8019fa97dd98d6fb47f63ddd54f19a21e8160fbd5ea577d0711d0424ba7aca4d"},"schema_version":"1.0"},"canonical_sha256":"c7dba9aa408293b00115df9868d7ef273d768941baeb830cf4e3f79bb2caba18","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:50:35.472973Z","signature_b64":"O42oNz98ByuyP/s8xaC60vva3lY4hkA7SjilY83H1cLcPoQ/rtDex4hFhT3cX6DOEujdfr3pwyV9PtvJkNjfCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7dba9aa408293b00115df9868d7ef273d768941baeb830cf4e3f79bb2caba18","last_reissued_at":"2026-07-04T23:50:35.472367Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:50:35.472367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.02430","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":"2026-07-04T23:50:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/hi92FCycY4J3jdMwpopGBqhCppaBjCBUMLacSp7VeTbeS1YyGLsmM6YLI8mb3gnpu8l9Qq1IaE2K1oEMnPRBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T02:30:03.961089Z"},"content_sha256":"a21d237aa1164777e7e1433e2780939f0484555786095f97aacc420a7b876831","schema_version":"1.0","event_id":"sha256:a21d237aa1164777e7e1433e2780939f0484555786095f97aacc420a7b876831"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:Y7N2TKSAQKJ3AAIV36MGRV7PE4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy scale of nematic ordering in the parent iron-based superconductor:BaFe2As2","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Alexander Fedorov, Alexander Yaresko, Bernd Buechner, Erik Haubold, Sabine Wurmehl, Saicharan Aswartham, Sergey Borisenko, Timur Kim, Yevhen Kushnirenko","submitted_at":"2018-11-06T15:40:41Z","abstract_excerpt":"Nematicity plays an important role in the physics of iron-based superconductors (IBS). Its microscopic origin and in particular its importance for the mechanism of high-temperature superconductivity itself are highly debated. A crucial knowledge in this regard is the degree to which the nematic order influences the electronic structure of these materials. Earlier angle-resolved photoemission spectroscopy (ARPES) studies found that the effect is dramatic in three families of IBS including 11, 111 and 122 compounds: energy splitting reaches 70 meV and Fermi surface becomes noticeably distorted. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.02430","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1811.02430/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T23:50:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iHhwMKt2N5E5c0YtX4AZNlGl5oCz61aNTTme4SYt6ZrO2csa5RgXBO39J61tM2995mFg2Z+Mal/qyWOKyfg0BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T02:30:03.961987Z"},"content_sha256":"baa5de074d32178f7e30b2038a101b72aaf51e6f877920a34de23fa77e0de22a","schema_version":"1.0","event_id":"sha256:baa5de074d32178f7e30b2038a101b72aaf51e6f877920a34de23fa77e0de22a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y7N2TKSAQKJ3AAIV36MGRV7PE4/bundle.json","state_url":"https://pith.science/pith/Y7N2TKSAQKJ3AAIV36MGRV7PE4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y7N2TKSAQKJ3AAIV36MGRV7PE4/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":"2026-08-13T02:30:03Z","links":{"resolver":"https://pith.science/pith/Y7N2TKSAQKJ3AAIV36MGRV7PE4","bundle":"https://pith.science/pith/Y7N2TKSAQKJ3AAIV36MGRV7PE4/bundle.json","state":"https://pith.science/pith/Y7N2TKSAQKJ3AAIV36MGRV7PE4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y7N2TKSAQKJ3AAIV36MGRV7PE4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:Y7N2TKSAQKJ3AAIV36MGRV7PE4","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":"8019fa97dd98d6fb47f63ddd54f19a21e8160fbd5ea577d0711d0424ba7aca4d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-11-06T15:40:41Z","title_canon_sha256":"b7758fe3fe9c9f389e4ff5cdda284574c5f38f3ed6174d580dbf2a770fcfef9c"},"schema_version":"1.0","source":{"id":"1811.02430","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.02430","created_at":"2026-07-04T23:50:35Z"},{"alias_kind":"arxiv_version","alias_value":"1811.02430v2","created_at":"2026-07-04T23:50:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.02430","created_at":"2026-07-04T23:50:35Z"},{"alias_kind":"pith_short_12","alias_value":"Y7N2TKSAQKJ3","created_at":"2026-07-04T23:50:35Z"},{"alias_kind":"pith_short_16","alias_value":"Y7N2TKSAQKJ3AAIV","created_at":"2026-07-04T23:50:35Z"},{"alias_kind":"pith_short_8","alias_value":"Y7N2TKSA","created_at":"2026-07-04T23:50:35Z"}],"graph_snapshots":[{"event_id":"sha256:baa5de074d32178f7e30b2038a101b72aaf51e6f877920a34de23fa77e0de22a","target":"graph","created_at":"2026-07-04T23:50:35Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1811.02430/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Nematicity plays an important role in the physics of iron-based superconductors (IBS). Its microscopic origin and in particular its importance for the mechanism of high-temperature superconductivity itself are highly debated. A crucial knowledge in this regard is the degree to which the nematic order influences the electronic structure of these materials. Earlier angle-resolved photoemission spectroscopy (ARPES) studies found that the effect is dramatic in three families of IBS including 11, 111 and 122 compounds: energy splitting reaches 70 meV and Fermi surface becomes noticeably distorted. ","authors_text":"Alexander Fedorov, Alexander Yaresko, Bernd Buechner, Erik Haubold, Sabine Wurmehl, Saicharan Aswartham, Sergey Borisenko, Timur Kim, Yevhen Kushnirenko","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-11-06T15:40:41Z","title":"Energy scale of nematic ordering in the parent iron-based superconductor:BaFe2As2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.02430","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:a21d237aa1164777e7e1433e2780939f0484555786095f97aacc420a7b876831","target":"record","created_at":"2026-07-04T23:50:35Z","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":"8019fa97dd98d6fb47f63ddd54f19a21e8160fbd5ea577d0711d0424ba7aca4d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-11-06T15:40:41Z","title_canon_sha256":"b7758fe3fe9c9f389e4ff5cdda284574c5f38f3ed6174d580dbf2a770fcfef9c"},"schema_version":"1.0","source":{"id":"1811.02430","kind":"arxiv","version":2}},"canonical_sha256":"c7dba9aa408293b00115df9868d7ef273d768941baeb830cf4e3f79bb2caba18","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7dba9aa408293b00115df9868d7ef273d768941baeb830cf4e3f79bb2caba18","first_computed_at":"2026-07-04T23:50:35.472367Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:50:35.472367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O42oNz98ByuyP/s8xaC60vva3lY4hkA7SjilY83H1cLcPoQ/rtDex4hFhT3cX6DOEujdfr3pwyV9PtvJkNjfCA==","signature_status":"signed_v1","signed_at":"2026-07-04T23:50:35.472973Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.02430","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a21d237aa1164777e7e1433e2780939f0484555786095f97aacc420a7b876831","sha256:baa5de074d32178f7e30b2038a101b72aaf51e6f877920a34de23fa77e0de22a"],"state_sha256":"544c4f13448b4ba606a42695c7e33591acf849b12617c3cbea9e5fd2e4fec976"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kCnUa5yYsUW4os0x1xMcLkfwoHftjBphxZU1Y7VDyrdpG8Z4UU/iSZx1snc7jf3BmNQG7mV7fVDuUo5MCr+gCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T02:30:03.967542Z","bundle_sha256":"686ecb4c838b2c1b68b32e558e39a06c374ac4bc217ef4673f6fb164591b8f40"}}