{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:V7BVKSRPU5SZYAJY45B46XOAQL","short_pith_number":"pith:V7BVKSRP","canonical_record":{"source":{"id":"2404.17795","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-04-27T06:29:46Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"cfa3874d36df974c5dcd5b23ef3b2c5f1c95951b5c788fd0d1d45df71ad04611","abstract_canon_sha256":"c50a0147918b4c87f9aafca9a5d494ad91cccb95c69034c0e525f04c5b70e6d8"},"schema_version":"1.0"},"canonical_sha256":"afc3554a2fa7659c0138e743cf5dc082ee5a11cd91e1461782eff3848b03f0e2","source":{"kind":"arxiv","id":"2404.17795","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.17795","created_at":"2026-07-05T10:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"2404.17795v1","created_at":"2026-07-05T10:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.17795","created_at":"2026-07-05T10:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"V7BVKSRPU5SZ","created_at":"2026-07-05T10:00:26Z"},{"alias_kind":"pith_short_16","alias_value":"V7BVKSRPU5SZYAJY","created_at":"2026-07-05T10:00:26Z"},{"alias_kind":"pith_short_8","alias_value":"V7BVKSRP","created_at":"2026-07-05T10:00:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:V7BVKSRPU5SZYAJY45B46XOAQL","target":"record","payload":{"canonical_record":{"source":{"id":"2404.17795","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-04-27T06:29:46Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"cfa3874d36df974c5dcd5b23ef3b2c5f1c95951b5c788fd0d1d45df71ad04611","abstract_canon_sha256":"c50a0147918b4c87f9aafca9a5d494ad91cccb95c69034c0e525f04c5b70e6d8"},"schema_version":"1.0"},"canonical_sha256":"afc3554a2fa7659c0138e743cf5dc082ee5a11cd91e1461782eff3848b03f0e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:00:26.122523Z","signature_b64":"dZlq9a2aQ8D6z/LUlIumxXBqxxklKnBsTv1+9xQcjdI+AisHeluUIuXlijKURmIi0vCoP5BHQoFSTfWMZmhKBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"afc3554a2fa7659c0138e743cf5dc082ee5a11cd91e1461782eff3848b03f0e2","last_reissued_at":"2026-07-05T10:00:26.122092Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:00:26.122092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.17795","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":"2026-07-05T10:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PxEEVS/2yt4Ew02zpnwLRd1M6VHtRivTF4ynw1/49VTzzavXHlfHt1T6mmr32wDTZLeOIze06DWTTy5KMrq8CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T08:03:15.434575Z"},"content_sha256":"784bb0582fbcd9c86153320f1a60ca12e19bb70714151c78f62ec34ed7672f8e","schema_version":"1.0","event_id":"sha256:784bb0582fbcd9c86153320f1a60ca12e19bb70714151c78f62ec34ed7672f8e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:V7BVKSRPU5SZYAJY45B46XOAQL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of Giant Unit-Cell Super-Structure in the Infinite-Layer Nickelate PrNiO$_2$","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"A.-C. Dippel, I. Bia{\\l}o, J. Chang, J. K\\\"uspert, J. Oppliger, L. Martinelli, M. v. Zimmermann, O. Gutowski, Q. Wang, R. Frison, X. J. Zhou, X. Ren, Z. Zhu","submitted_at":"2024-04-27T06:29:46Z","abstract_excerpt":"Spectacular quantum phenomena such as superconductivity often emerge in flat-band systems where Coulomb interactions overpower electron kinetics. Engineering strategies for flat-band physics is therefore of great importance. Here, using high-energy grazing-incidence x-ray diffraction, we demonstrate how in-situ temperature annealing of the infinite-layer nickelate PrNiO$_2$ induces a giant superlattice structure. The annealing effect has a maximum well above room temperature. By covering a large scattering volume, we show a rare period-six in-plane (bi-axial) symmetry and a period-four symmetr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.17795","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2404.17795/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":"2026-07-05T10:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kHy7FqtOlJ1brcYWqJJe1bsnoRKFTLGqvh5iC67rNTXocqUEpMvYkiyT+0z81I7N1XYaiEnafTXo+wGj4jUeAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T08:03:15.435174Z"},"content_sha256":"a3af36bc783eb0817192d8557e8d9b9578629f207e6b5e3a77cdeaabf95582e0","schema_version":"1.0","event_id":"sha256:a3af36bc783eb0817192d8557e8d9b9578629f207e6b5e3a77cdeaabf95582e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V7BVKSRPU5SZYAJY45B46XOAQL/bundle.json","state_url":"https://pith.science/pith/V7BVKSRPU5SZYAJY45B46XOAQL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V7BVKSRPU5SZYAJY45B46XOAQL/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":"2026-08-13T08:03:15Z","links":{"resolver":"https://pith.science/pith/V7BVKSRPU5SZYAJY45B46XOAQL","bundle":"https://pith.science/pith/V7BVKSRPU5SZYAJY45B46XOAQL/bundle.json","state":"https://pith.science/pith/V7BVKSRPU5SZYAJY45B46XOAQL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V7BVKSRPU5SZYAJY45B46XOAQL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:V7BVKSRPU5SZYAJY45B46XOAQL","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":"c50a0147918b4c87f9aafca9a5d494ad91cccb95c69034c0e525f04c5b70e6d8","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-04-27T06:29:46Z","title_canon_sha256":"cfa3874d36df974c5dcd5b23ef3b2c5f1c95951b5c788fd0d1d45df71ad04611"},"schema_version":"1.0","source":{"id":"2404.17795","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.17795","created_at":"2026-07-05T10:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"2404.17795v1","created_at":"2026-07-05T10:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.17795","created_at":"2026-07-05T10:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"V7BVKSRPU5SZ","created_at":"2026-07-05T10:00:26Z"},{"alias_kind":"pith_short_16","alias_value":"V7BVKSRPU5SZYAJY","created_at":"2026-07-05T10:00:26Z"},{"alias_kind":"pith_short_8","alias_value":"V7BVKSRP","created_at":"2026-07-05T10:00:26Z"}],"graph_snapshots":[{"event_id":"sha256:a3af36bc783eb0817192d8557e8d9b9578629f207e6b5e3a77cdeaabf95582e0","target":"graph","created_at":"2026-07-05T10:00:26Z","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/2404.17795/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Spectacular quantum phenomena such as superconductivity often emerge in flat-band systems where Coulomb interactions overpower electron kinetics. Engineering strategies for flat-band physics is therefore of great importance. Here, using high-energy grazing-incidence x-ray diffraction, we demonstrate how in-situ temperature annealing of the infinite-layer nickelate PrNiO$_2$ induces a giant superlattice structure. The annealing effect has a maximum well above room temperature. By covering a large scattering volume, we show a rare period-six in-plane (bi-axial) symmetry and a period-four symmetr","authors_text":"A.-C. Dippel, I. Bia{\\l}o, J. Chang, J. K\\\"uspert, J. Oppliger, L. Martinelli, M. v. Zimmermann, O. Gutowski, Q. Wang, R. Frison, X. J. Zhou, X. Ren, Z. Zhu","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-04-27T06:29:46Z","title":"Discovery of Giant Unit-Cell Super-Structure in the Infinite-Layer Nickelate PrNiO$_2$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.17795","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":"sha256:784bb0582fbcd9c86153320f1a60ca12e19bb70714151c78f62ec34ed7672f8e","target":"record","created_at":"2026-07-05T10:00:26Z","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":"c50a0147918b4c87f9aafca9a5d494ad91cccb95c69034c0e525f04c5b70e6d8","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-04-27T06:29:46Z","title_canon_sha256":"cfa3874d36df974c5dcd5b23ef3b2c5f1c95951b5c788fd0d1d45df71ad04611"},"schema_version":"1.0","source":{"id":"2404.17795","kind":"arxiv","version":1}},"canonical_sha256":"afc3554a2fa7659c0138e743cf5dc082ee5a11cd91e1461782eff3848b03f0e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"afc3554a2fa7659c0138e743cf5dc082ee5a11cd91e1461782eff3848b03f0e2","first_computed_at":"2026-07-05T10:00:26.122092Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:00:26.122092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dZlq9a2aQ8D6z/LUlIumxXBqxxklKnBsTv1+9xQcjdI+AisHeluUIuXlijKURmIi0vCoP5BHQoFSTfWMZmhKBw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:00:26.122523Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.17795","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:784bb0582fbcd9c86153320f1a60ca12e19bb70714151c78f62ec34ed7672f8e","sha256:a3af36bc783eb0817192d8557e8d9b9578629f207e6b5e3a77cdeaabf95582e0"],"state_sha256":"773f436887ba2f78d9312b4a640ff5cf94c05209665c5c13d6098e321f1695db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qpRDrBRnX6DZDF2nEtT5r5HPpzBreIWgSkdp7UGuTRh8USe+FU7JbaNFgUXnPahqXDJUPVyI7BuhoCbQ1f89CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T08:03:15.439115Z","bundle_sha256":"882f30bd363b38e2088bf1131a5e11d1a358bfaf1328f9db70e416cfa0a9caad"}}