{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:5SKRGH6H7RFGBFITZJWXZDXIST","short_pith_number":"pith:5SKRGH6H","canonical_record":{"source":{"id":"2608.08767","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-09T15:31:55Z","cross_cats_sorted":[],"title_canon_sha256":"a480486515d8f927bdd452a680650cd14a7f8f5e9bb51d75b2a0e3c91db52668","abstract_canon_sha256":"cb1de8d31f220e37f40d1632a154d50405155202b911c911d656544a5d5477b3"},"schema_version":"1.0"},"canonical_sha256":"ec95131fc7fc4a609513ca6d7c8ee894d75514bef436e28b12160ce65fbe6a9a","source":{"kind":"arxiv","id":"2608.08767","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.08767","created_at":"2026-08-11T01:25:16Z"},{"alias_kind":"arxiv_version","alias_value":"2608.08767v1","created_at":"2026-08-11T01:25:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.08767","created_at":"2026-08-11T01:25:16Z"},{"alias_kind":"pith_short_12","alias_value":"5SKRGH6H7RFG","created_at":"2026-08-11T01:25:16Z"},{"alias_kind":"pith_short_16","alias_value":"5SKRGH6H7RFGBFIT","created_at":"2026-08-11T01:25:16Z"},{"alias_kind":"pith_short_8","alias_value":"5SKRGH6H","created_at":"2026-08-11T01:25:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:5SKRGH6H7RFGBFITZJWXZDXIST","target":"record","payload":{"canonical_record":{"source":{"id":"2608.08767","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-09T15:31:55Z","cross_cats_sorted":[],"title_canon_sha256":"a480486515d8f927bdd452a680650cd14a7f8f5e9bb51d75b2a0e3c91db52668","abstract_canon_sha256":"cb1de8d31f220e37f40d1632a154d50405155202b911c911d656544a5d5477b3"},"schema_version":"1.0"},"canonical_sha256":"ec95131fc7fc4a609513ca6d7c8ee894d75514bef436e28b12160ce65fbe6a9a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-11T01:25:16.857318Z","signature_b64":"IKgEFfYBJRzdNg32wAPm6QAyEVNjAmxIP3eYptqg2GPPWzwwgK7J06khfy/Ej8+nWPYG8ibN56i0Kha22VbQBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec95131fc7fc4a609513ca6d7c8ee894d75514bef436e28b12160ce65fbe6a9a","last_reissued_at":"2026-08-11T01:25:16.854754Z","signature_status":"signed_v1","first_computed_at":"2026-08-11T01:25:16.854754Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.08767","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":"2026-08-11T01:25:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uqz9o4i87Qb0JQdjpR67uRwu65S2MWmWlkHpAaUU1T2YUY0ChtCMnefqw6+eBX35h4T+UmXYWuVC8nKjXJDtDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T15:12:29.165860Z"},"content_sha256":"7ce2a0c948a73873f12e84dc6197f56409aa930a2b9780b6ca61ab587e4fd3a0","schema_version":"1.0","event_id":"sha256:7ce2a0c948a73873f12e84dc6197f56409aa930a2b9780b6ca61ab587e4fd3a0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:5SKRGH6H7RFGBFITZJWXZDXIST","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distribution of Relaxation Times analysis of evolution of Oxygen Reduction Pathways for ionic conductor infiltration on MIEC cathode","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Abdelkrim Mekki, Hee Jung Park, Khalil Harrabi, Manju Kumari, Preethi Sudarsan, Rakhi Saha, Somaditya Sen","submitted_at":"2026-08-09T15:31:55Z","abstract_excerpt":"Solid oxide fuel cells (SOFCs) are promising electrochemical energy conversion devices; however, the sluggish cathodic oxygen reduction reaction (ORR) remains a major limitation for intermediate-temperature operation. ORR subprocesses can be modified by infiltrating ionic Sm0.2Ce0.8O2-delta (SDC) on mixed ionic electronic SrFe0.9Ti0.1O3-delta (STF). However, the processes are indistinguishable in most cases and poorly understood using conventional equivalent circuits. Distribution of Relaxation Times (DRT) analysis distinguishes these processes to identify the dynamics with temperature and sur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.08767","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/2608.08767/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":"2026-08-11T01:25:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NISk0vNZs2eoddsUo20dJxhoHclUXvcQb+ANb9mAPE69l2jmacv1kcFJ2+fsHVI7WrmaqpW9lR628GlejtLwBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T15:12:29.166386Z"},"content_sha256":"0a0bfd8b89ae1c457393256708b75dd4c35f713f34296628f3f5988942fae3a1","schema_version":"1.0","event_id":"sha256:0a0bfd8b89ae1c457393256708b75dd4c35f713f34296628f3f5988942fae3a1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5SKRGH6H7RFGBFITZJWXZDXIST/bundle.json","state_url":"https://pith.science/pith/5SKRGH6H7RFGBFITZJWXZDXIST/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5SKRGH6H7RFGBFITZJWXZDXIST/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":"2026-08-14T15:12:29Z","links":{"resolver":"https://pith.science/pith/5SKRGH6H7RFGBFITZJWXZDXIST","bundle":"https://pith.science/pith/5SKRGH6H7RFGBFITZJWXZDXIST/bundle.json","state":"https://pith.science/pith/5SKRGH6H7RFGBFITZJWXZDXIST/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5SKRGH6H7RFGBFITZJWXZDXIST/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:5SKRGH6H7RFGBFITZJWXZDXIST","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":"cb1de8d31f220e37f40d1632a154d50405155202b911c911d656544a5d5477b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-09T15:31:55Z","title_canon_sha256":"a480486515d8f927bdd452a680650cd14a7f8f5e9bb51d75b2a0e3c91db52668"},"schema_version":"1.0","source":{"id":"2608.08767","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.08767","created_at":"2026-08-11T01:25:16Z"},{"alias_kind":"arxiv_version","alias_value":"2608.08767v1","created_at":"2026-08-11T01:25:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.08767","created_at":"2026-08-11T01:25:16Z"},{"alias_kind":"pith_short_12","alias_value":"5SKRGH6H7RFG","created_at":"2026-08-11T01:25:16Z"},{"alias_kind":"pith_short_16","alias_value":"5SKRGH6H7RFGBFIT","created_at":"2026-08-11T01:25:16Z"},{"alias_kind":"pith_short_8","alias_value":"5SKRGH6H","created_at":"2026-08-11T01:25:16Z"}],"graph_snapshots":[{"event_id":"sha256:0a0bfd8b89ae1c457393256708b75dd4c35f713f34296628f3f5988942fae3a1","target":"graph","created_at":"2026-08-11T01:25:16Z","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/2608.08767/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Solid oxide fuel cells (SOFCs) are promising electrochemical energy conversion devices; however, the sluggish cathodic oxygen reduction reaction (ORR) remains a major limitation for intermediate-temperature operation. ORR subprocesses can be modified by infiltrating ionic Sm0.2Ce0.8O2-delta (SDC) on mixed ionic electronic SrFe0.9Ti0.1O3-delta (STF). However, the processes are indistinguishable in most cases and poorly understood using conventional equivalent circuits. Distribution of Relaxation Times (DRT) analysis distinguishes these processes to identify the dynamics with temperature and sur","authors_text":"Abdelkrim Mekki, Hee Jung Park, Khalil Harrabi, Manju Kumari, Preethi Sudarsan, Rakhi Saha, Somaditya Sen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-09T15:31:55Z","title":"Distribution of Relaxation Times analysis of evolution of Oxygen Reduction Pathways for ionic conductor infiltration on MIEC cathode"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.08767","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":"sha256:7ce2a0c948a73873f12e84dc6197f56409aa930a2b9780b6ca61ab587e4fd3a0","target":"record","created_at":"2026-08-11T01:25:16Z","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":"cb1de8d31f220e37f40d1632a154d50405155202b911c911d656544a5d5477b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-09T15:31:55Z","title_canon_sha256":"a480486515d8f927bdd452a680650cd14a7f8f5e9bb51d75b2a0e3c91db52668"},"schema_version":"1.0","source":{"id":"2608.08767","kind":"arxiv","version":1}},"canonical_sha256":"ec95131fc7fc4a609513ca6d7c8ee894d75514bef436e28b12160ce65fbe6a9a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec95131fc7fc4a609513ca6d7c8ee894d75514bef436e28b12160ce65fbe6a9a","first_computed_at":"2026-08-11T01:25:16.854754Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-11T01:25:16.854754Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IKgEFfYBJRzdNg32wAPm6QAyEVNjAmxIP3eYptqg2GPPWzwwgK7J06khfy/Ej8+nWPYG8ibN56i0Kha22VbQBA==","signature_status":"signed_v1","signed_at":"2026-08-11T01:25:16.857318Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.08767","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ce2a0c948a73873f12e84dc6197f56409aa930a2b9780b6ca61ab587e4fd3a0","sha256:0a0bfd8b89ae1c457393256708b75dd4c35f713f34296628f3f5988942fae3a1"],"state_sha256":"a7df1cce8fa05e6cca1b67c08b92c967fccfc4ce902e137415e4a1db0d931fd4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/E3syJ8WlLyu6oSfZYeN3X6XaBukPkVU/EIMesS1h9g61pAW7oFJqz4k/7qqliFCApK+vhfxmUlmgp72xWWLDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T15:12:29.170503Z","bundle_sha256":"3a3d441d4efb4261812a7e221d2733ae661ebf095c9cfd73c9dc401574fc5589"}}