{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:SR5CKV323NPYSD5WEG6YFKD6QB","short_pith_number":"pith:SR5CKV32","canonical_record":{"source":{"id":"1601.03220","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-01-13T13:03:24Z","cross_cats_sorted":[],"title_canon_sha256":"83bba819af714804cdd4212b67dbfbfa4fe9dab6d52e8f99ad31e100292d45ff","abstract_canon_sha256":"d229a6df6aa1e9dc464a179b97b8707190e9e399f48a3887eb137d9851ffdbbf"},"schema_version":"1.0"},"canonical_sha256":"947a25577adb5f890fb621bd82a87e804eaea86c636953bbef7c76f687e0041d","source":{"kind":"arxiv","id":"1601.03220","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.03220","created_at":"2026-05-18T01:12:34Z"},{"alias_kind":"arxiv_version","alias_value":"1601.03220v1","created_at":"2026-05-18T01:12:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.03220","created_at":"2026-05-18T01:12:34Z"},{"alias_kind":"pith_short_12","alias_value":"SR5CKV323NPY","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"SR5CKV323NPYSD5W","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"SR5CKV32","created_at":"2026-05-18T12:30:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:SR5CKV323NPYSD5WEG6YFKD6QB","target":"record","payload":{"canonical_record":{"source":{"id":"1601.03220","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-01-13T13:03:24Z","cross_cats_sorted":[],"title_canon_sha256":"83bba819af714804cdd4212b67dbfbfa4fe9dab6d52e8f99ad31e100292d45ff","abstract_canon_sha256":"d229a6df6aa1e9dc464a179b97b8707190e9e399f48a3887eb137d9851ffdbbf"},"schema_version":"1.0"},"canonical_sha256":"947a25577adb5f890fb621bd82a87e804eaea86c636953bbef7c76f687e0041d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:34.577565Z","signature_b64":"W1uYY/ivw6g+r2xgrvavX21aOQK9kl0M5vbGI96TG8xmdS2228ie+JN64kslBsvb8/Iva42x1uqgZYBurEveCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"947a25577adb5f890fb621bd82a87e804eaea86c636953bbef7c76f687e0041d","last_reissued_at":"2026-05-18T01:12:34.576990Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:34.576990Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.03220","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":"2026-05-18T01:12:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/GlkrxjxN7qMW3hUqzMe3RR0VE2VAqe2GiqkKzWCsbVJ3j01yMU0UI3MT7cGSQwlYybaCMpTdiZ39Q+5hTg5AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:28:33.111774Z"},"content_sha256":"b4938d41acb3a172752aa172575e210d0d0d8993625dfce6c13e4fb5e2506e89","schema_version":"1.0","event_id":"sha256:b4938d41acb3a172752aa172575e210d0d0d8993625dfce6c13e4fb5e2506e89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:SR5CKV323NPYSD5WEG6YFKD6QB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hybrid Crystals of Cuprates and Iron-Based Superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Congcong Le, Jiangping Hu, Xia Dai, Xianxin Wu","submitted_at":"2016-01-13T13:03:24Z","abstract_excerpt":"We propose two possible new compounds, Ba$_2$CuO$_2$Fe$_2$As$_2$ and K$_2$CuO$_2$Fe$_2$Se$_2$, which hybridize the building blocks of two high temperature superconductors, cuprates and iron-based superconductors. These compounds consist of square CuO$_2$ layers and antifluorite-type Fe$_2$X$_2$ (X=As,Se) layers separated by Ba/K. The calculations of binding energies and phonon spectrums indicate that they are dynamically stable, which ensures that they may be experimentally synthesized. The Fermi surfaces and electronic structures of the two compounds inherit the characteristics of both cuprat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.03220","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":"2026-05-18T01:12:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XCl/LPJ+xCUAeDs98m74YmEUY8FAu+P+RQcuD4PVZh8qTR/vSUdJcKxECb61BQuqdSoybHM1eqAZ26scqF0eAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:28:33.112497Z"},"content_sha256":"2d177d1d3f6a4ca56328855479f20e49862a1bce7bedc40c51831f17f45bc03f","schema_version":"1.0","event_id":"sha256:2d177d1d3f6a4ca56328855479f20e49862a1bce7bedc40c51831f17f45bc03f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SR5CKV323NPYSD5WEG6YFKD6QB/bundle.json","state_url":"https://pith.science/pith/SR5CKV323NPYSD5WEG6YFKD6QB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SR5CKV323NPYSD5WEG6YFKD6QB/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":"2026-05-27T04:28:33Z","links":{"resolver":"https://pith.science/pith/SR5CKV323NPYSD5WEG6YFKD6QB","bundle":"https://pith.science/pith/SR5CKV323NPYSD5WEG6YFKD6QB/bundle.json","state":"https://pith.science/pith/SR5CKV323NPYSD5WEG6YFKD6QB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SR5CKV323NPYSD5WEG6YFKD6QB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:SR5CKV323NPYSD5WEG6YFKD6QB","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":"d229a6df6aa1e9dc464a179b97b8707190e9e399f48a3887eb137d9851ffdbbf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-01-13T13:03:24Z","title_canon_sha256":"83bba819af714804cdd4212b67dbfbfa4fe9dab6d52e8f99ad31e100292d45ff"},"schema_version":"1.0","source":{"id":"1601.03220","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.03220","created_at":"2026-05-18T01:12:34Z"},{"alias_kind":"arxiv_version","alias_value":"1601.03220v1","created_at":"2026-05-18T01:12:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.03220","created_at":"2026-05-18T01:12:34Z"},{"alias_kind":"pith_short_12","alias_value":"SR5CKV323NPY","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"SR5CKV323NPYSD5W","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"SR5CKV32","created_at":"2026-05-18T12:30:44Z"}],"graph_snapshots":[{"event_id":"sha256:2d177d1d3f6a4ca56328855479f20e49862a1bce7bedc40c51831f17f45bc03f","target":"graph","created_at":"2026-05-18T01:12:34Z","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 propose two possible new compounds, Ba$_2$CuO$_2$Fe$_2$As$_2$ and K$_2$CuO$_2$Fe$_2$Se$_2$, which hybridize the building blocks of two high temperature superconductors, cuprates and iron-based superconductors. These compounds consist of square CuO$_2$ layers and antifluorite-type Fe$_2$X$_2$ (X=As,Se) layers separated by Ba/K. The calculations of binding energies and phonon spectrums indicate that they are dynamically stable, which ensures that they may be experimentally synthesized. The Fermi surfaces and electronic structures of the two compounds inherit the characteristics of both cuprat","authors_text":"Congcong Le, Jiangping Hu, Xia Dai, Xianxin Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-01-13T13:03:24Z","title":"Hybrid Crystals of Cuprates and Iron-Based Superconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.03220","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:b4938d41acb3a172752aa172575e210d0d0d8993625dfce6c13e4fb5e2506e89","target":"record","created_at":"2026-05-18T01:12:34Z","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":"d229a6df6aa1e9dc464a179b97b8707190e9e399f48a3887eb137d9851ffdbbf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-01-13T13:03:24Z","title_canon_sha256":"83bba819af714804cdd4212b67dbfbfa4fe9dab6d52e8f99ad31e100292d45ff"},"schema_version":"1.0","source":{"id":"1601.03220","kind":"arxiv","version":1}},"canonical_sha256":"947a25577adb5f890fb621bd82a87e804eaea86c636953bbef7c76f687e0041d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"947a25577adb5f890fb621bd82a87e804eaea86c636953bbef7c76f687e0041d","first_computed_at":"2026-05-18T01:12:34.576990Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:34.576990Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"W1uYY/ivw6g+r2xgrvavX21aOQK9kl0M5vbGI96TG8xmdS2228ie+JN64kslBsvb8/Iva42x1uqgZYBurEveCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:34.577565Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.03220","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4938d41acb3a172752aa172575e210d0d0d8993625dfce6c13e4fb5e2506e89","sha256:2d177d1d3f6a4ca56328855479f20e49862a1bce7bedc40c51831f17f45bc03f"],"state_sha256":"63b5874013281a3fec7d3b462f27e3cc2bcc957c3c01363a90c7a1f4cca33e75"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eOhhCbanngjZLUC/UcrIbZ6ziNQJoFgHXAoyn8QTA0d+Bfj84ofCYYNfr5G7mzMlnOtD28mBauzP7/KrN+kaDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T04:28:33.115848Z","bundle_sha256":"7d327611992a493e54aed06092ee7d2ddc58d794f29ac2b52b22fa00f3052907"}}