{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:UGBCCN2FYCO5WOPLK6DZQPLGXM","short_pith_number":"pith:UGBCCN2F","canonical_record":{"source":{"id":"2411.01727","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-11-04T01:02:57Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"73beb65572040e1d6acbcbcd5b935d665a1ea587b710bc6385b7a9352210c477","abstract_canon_sha256":"e61cb7de4416f9f9f0f11112f6686973ce3fd9d71ede8b73785735b015861422"},"schema_version":"1.0"},"canonical_sha256":"a182213745c09ddb39eb5787983d66bb14095c2d5797d887ee1693104624ba6b","source":{"kind":"arxiv","id":"2411.01727","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.01727","created_at":"2026-07-05T12:00:44Z"},{"alias_kind":"arxiv_version","alias_value":"2411.01727v2","created_at":"2026-07-05T12:00:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.01727","created_at":"2026-07-05T12:00:44Z"},{"alias_kind":"pith_short_12","alias_value":"UGBCCN2FYCO5","created_at":"2026-07-05T12:00:44Z"},{"alias_kind":"pith_short_16","alias_value":"UGBCCN2FYCO5WOPL","created_at":"2026-07-05T12:00:44Z"},{"alias_kind":"pith_short_8","alias_value":"UGBCCN2F","created_at":"2026-07-05T12:00:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:UGBCCN2FYCO5WOPLK6DZQPLGXM","target":"record","payload":{"canonical_record":{"source":{"id":"2411.01727","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-11-04T01:02:57Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"73beb65572040e1d6acbcbcd5b935d665a1ea587b710bc6385b7a9352210c477","abstract_canon_sha256":"e61cb7de4416f9f9f0f11112f6686973ce3fd9d71ede8b73785735b015861422"},"schema_version":"1.0"},"canonical_sha256":"a182213745c09ddb39eb5787983d66bb14095c2d5797d887ee1693104624ba6b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:00:44.603537Z","signature_b64":"9AIOK3RNAZT4iFa7H4a3T/vYEnjmohc6vg/HAwOCRvlYcbEqNpU8DUEZKT49Zyd/0QcdVLPdQIEc0OooWEvaAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a182213745c09ddb39eb5787983d66bb14095c2d5797d887ee1693104624ba6b","last_reissued_at":"2026-07-05T12:00:44.603019Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:00:44.603019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.01727","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":"2026-07-05T12:00:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yDDFgkXiddKDBJ/6ni3WU10d6yY3OcQVGfiGb9n1qHe2TLs3CXBfRR1HJ4+yqxQ2uczfkAKVH3/JUVCss7JeBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T20:08:33.311657Z"},"content_sha256":"362a154bd7f1a7d1715d0e5eb245d2d6c675ca673795decb2e938b9533ea61e8","schema_version":"1.0","event_id":"sha256:362a154bd7f1a7d1715d0e5eb245d2d6c675ca673795decb2e938b9533ea61e8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:UGBCCN2FYCO5WOPLK6DZQPLGXM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Atomic-scale 3D structural dynamics and functional degradation of Pt alloy nanocatalysts during the oxygen reduction reaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chaehwa Jeong, Colin Ophus, EunAe Cho, Hyesung Jo, Juhyeok Lee, Kwangho Lee, Peter Ercius, Sangjae Lee, Yongsoo Yang","submitted_at":"2024-11-04T01:02:57Z","abstract_excerpt":"Pt-based electrocatalysts are the primary choice for fuel cells due to their superior oxygen reduction reaction (ORR) activity. To enhance ORR performance and durability, extensive studies have investigated transition metal alloying, doping, and shape control to optimize the three key governing factors for ORR: geometry, local chemistry, and strain of their surface and subsurface. However, systematic optimization remains incomplete, as it requires an atomic-scale understanding of these factors and their dynamics over potential cycling, as well as their relationship to ORR activity. Here, we im"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.01727","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/2411.01727/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":"2026-07-05T12:00:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"01tIvXK+fp2SWo2qcIPSJFWFOKgxR24aC7ofPBzQQ8BQK5i7E3x0lMpDQ8vAtAYaAf+OZFYWyo6M/3HJuowqAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T20:08:33.312176Z"},"content_sha256":"aaf0e142df191959eb60d730d948b33be0c5aa499f4beac7e56799e8feb34434","schema_version":"1.0","event_id":"sha256:aaf0e142df191959eb60d730d948b33be0c5aa499f4beac7e56799e8feb34434"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UGBCCN2FYCO5WOPLK6DZQPLGXM/bundle.json","state_url":"https://pith.science/pith/UGBCCN2FYCO5WOPLK6DZQPLGXM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UGBCCN2FYCO5WOPLK6DZQPLGXM/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":"2026-08-23T20:08:33Z","links":{"resolver":"https://pith.science/pith/UGBCCN2FYCO5WOPLK6DZQPLGXM","bundle":"https://pith.science/pith/UGBCCN2FYCO5WOPLK6DZQPLGXM/bundle.json","state":"https://pith.science/pith/UGBCCN2FYCO5WOPLK6DZQPLGXM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UGBCCN2FYCO5WOPLK6DZQPLGXM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:UGBCCN2FYCO5WOPLK6DZQPLGXM","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":"e61cb7de4416f9f9f0f11112f6686973ce3fd9d71ede8b73785735b015861422","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-11-04T01:02:57Z","title_canon_sha256":"73beb65572040e1d6acbcbcd5b935d665a1ea587b710bc6385b7a9352210c477"},"schema_version":"1.0","source":{"id":"2411.01727","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.01727","created_at":"2026-07-05T12:00:44Z"},{"alias_kind":"arxiv_version","alias_value":"2411.01727v2","created_at":"2026-07-05T12:00:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.01727","created_at":"2026-07-05T12:00:44Z"},{"alias_kind":"pith_short_12","alias_value":"UGBCCN2FYCO5","created_at":"2026-07-05T12:00:44Z"},{"alias_kind":"pith_short_16","alias_value":"UGBCCN2FYCO5WOPL","created_at":"2026-07-05T12:00:44Z"},{"alias_kind":"pith_short_8","alias_value":"UGBCCN2F","created_at":"2026-07-05T12:00:44Z"}],"graph_snapshots":[{"event_id":"sha256:aaf0e142df191959eb60d730d948b33be0c5aa499f4beac7e56799e8feb34434","target":"graph","created_at":"2026-07-05T12:00:44Z","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/2411.01727/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Pt-based electrocatalysts are the primary choice for fuel cells due to their superior oxygen reduction reaction (ORR) activity. To enhance ORR performance and durability, extensive studies have investigated transition metal alloying, doping, and shape control to optimize the three key governing factors for ORR: geometry, local chemistry, and strain of their surface and subsurface. However, systematic optimization remains incomplete, as it requires an atomic-scale understanding of these factors and their dynamics over potential cycling, as well as their relationship to ORR activity. Here, we im","authors_text":"Chaehwa Jeong, Colin Ophus, EunAe Cho, Hyesung Jo, Juhyeok Lee, Kwangho Lee, Peter Ercius, Sangjae Lee, Yongsoo Yang","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-11-04T01:02:57Z","title":"Atomic-scale 3D structural dynamics and functional degradation of Pt alloy nanocatalysts during the oxygen reduction reaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.01727","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":"sha256:362a154bd7f1a7d1715d0e5eb245d2d6c675ca673795decb2e938b9533ea61e8","target":"record","created_at":"2026-07-05T12:00:44Z","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":"e61cb7de4416f9f9f0f11112f6686973ce3fd9d71ede8b73785735b015861422","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-11-04T01:02:57Z","title_canon_sha256":"73beb65572040e1d6acbcbcd5b935d665a1ea587b710bc6385b7a9352210c477"},"schema_version":"1.0","source":{"id":"2411.01727","kind":"arxiv","version":2}},"canonical_sha256":"a182213745c09ddb39eb5787983d66bb14095c2d5797d887ee1693104624ba6b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a182213745c09ddb39eb5787983d66bb14095c2d5797d887ee1693104624ba6b","first_computed_at":"2026-07-05T12:00:44.603019Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:00:44.603019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9AIOK3RNAZT4iFa7H4a3T/vYEnjmohc6vg/HAwOCRvlYcbEqNpU8DUEZKT49Zyd/0QcdVLPdQIEc0OooWEvaAA==","signature_status":"signed_v1","signed_at":"2026-07-05T12:00:44.603537Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.01727","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:362a154bd7f1a7d1715d0e5eb245d2d6c675ca673795decb2e938b9533ea61e8","sha256:aaf0e142df191959eb60d730d948b33be0c5aa499f4beac7e56799e8feb34434"],"state_sha256":"627a5f4f864a13ea2d5c29b7f64c193be393b43c614e887c651522aea9faed5c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k1AH45pzdsvBQPMbQxqeij69NS080lRYNhxQ2WfmyLj/t8KL5xgHN6m3dXUGO7Df9bqCqY8MyMtGyhzvypLWDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T20:08:33.316755Z","bundle_sha256":"dbadfe46e159c29c1fe9ccee8e4e975543cc1b71762c7a0b0f6c804850ed0b8f"}}