{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:ZYJGDVJ5IJPTJTSSQHARXEBKE2","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":"3aa91b0b5f4c7ba274b5128ff99b2ea00a015b6bb83d578a64b9c8a1602fee90","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.chem-ph","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-09-07T03:27:08Z","title_canon_sha256":"1a201205ed9b9debab4d933ea6db7b9b5122f7867ec7aab24fbd1d63959803e8"},"schema_version":"1.0","source":{"id":"2009.02873","kind":"arxiv","version":6}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.02873","created_at":"2026-07-05T03:24:55Z"},{"alias_kind":"arxiv_version","alias_value":"2009.02873v6","created_at":"2026-07-05T03:24:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.02873","created_at":"2026-07-05T03:24:55Z"},{"alias_kind":"pith_short_12","alias_value":"ZYJGDVJ5IJPT","created_at":"2026-07-05T03:24:55Z"},{"alias_kind":"pith_short_16","alias_value":"ZYJGDVJ5IJPTJTSS","created_at":"2026-07-05T03:24:55Z"},{"alias_kind":"pith_short_8","alias_value":"ZYJGDVJ5","created_at":"2026-07-05T03:24:55Z"}],"graph_snapshots":[{"event_id":"sha256:585b33718d0a43711527518b5988324af784d850268dd7ca0d0cd911075e89cf","target":"graph","created_at":"2026-07-05T03:24:55Z","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/2009.02873/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Lithium-ion secondary batteries have been used in a wide variety of purposes, such as for powering mobile devices and electric vehicles, but their performance should be improved. One of the factors that limits their performance is the non-uniformity of the chemical reaction in the process of charging and discharging. Many attempts have been made to elucidate the mechanism behind this reaction non-uniformity. In this paper, to detect non-uniformity in various physical properties from Co K-edge two-dimensional X-ray absorption spectroscopy (2D-XAS) images of lithium ion batteries, we propose a m","authors_text":"Hiroki Tanimoto, Hiroyuki Kumazoe, Ichiro Akai, Jumpei Uchiwada, Kazunori Iwamitsu, Koji Amezawa, Masaishiro Mizumaki, Ryo Yamagami, Toru Aonishi, Xu Hongkun, Yoshiki Seno, Yuta Kimura","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.chem-ph","physics.data-an"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-09-07T03:27:08Z","title":"Non-Negative Matrix Factorization for 2D-XAS Images of Lithium Ion Batteries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.02873","kind":"arxiv","version":6},"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:faa6f1a0aec94953cdda6c8b59c8fed3456bb8becf0256f530ddf52fcc0e3871","target":"record","created_at":"2026-07-05T03:24:55Z","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":"3aa91b0b5f4c7ba274b5128ff99b2ea00a015b6bb83d578a64b9c8a1602fee90","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.chem-ph","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-09-07T03:27:08Z","title_canon_sha256":"1a201205ed9b9debab4d933ea6db7b9b5122f7867ec7aab24fbd1d63959803e8"},"schema_version":"1.0","source":{"id":"2009.02873","kind":"arxiv","version":6}},"canonical_sha256":"ce1261d53d425f34ce5281c11b902a269c78509d48dbc5dad164f39a63c9a033","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ce1261d53d425f34ce5281c11b902a269c78509d48dbc5dad164f39a63c9a033","first_computed_at":"2026-07-05T03:24:55.088346Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:24:55.088346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZrZ/Ct0FV/RQRdgdSzkeKbBEBjPld27x131G+XEwDtTQikbs/pauF+OHdiBdS3T4hDCS4iPHbji5rSI4fLnCBw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:24:55.088737Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.02873","source_kind":"arxiv","source_version":6}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:faa6f1a0aec94953cdda6c8b59c8fed3456bb8becf0256f530ddf52fcc0e3871","sha256:585b33718d0a43711527518b5988324af784d850268dd7ca0d0cd911075e89cf"],"state_sha256":"871c439c57f3080b5f4742af508121dbf5d283b34d1a7a338ac45a3e4080b773"}