{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:LXBXB7DWXPZGDVX4N5YRJUQ77S","short_pith_number":"pith:LXBXB7DW","canonical_record":{"source":{"id":"1907.02775","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-07-05T11:29:08Z","cross_cats_sorted":[],"title_canon_sha256":"b40c6d44e0d5dab5e49fcc44355abfed10451691cf19cc53cb5b88c4722f8777","abstract_canon_sha256":"4fbd00f5227ddef8447c9629de71c780f2631c201e226cf849350e587aa53d8f"},"schema_version":"1.0"},"canonical_sha256":"5dc370fc76bbf261d6fc6f7114d21ffca72c27c8849904035f50a4889ba420e3","source":{"kind":"arxiv","id":"1907.02775","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.02775","created_at":"2026-05-17T23:41:23Z"},{"alias_kind":"arxiv_version","alias_value":"1907.02775v1","created_at":"2026-05-17T23:41:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.02775","created_at":"2026-05-17T23:41:23Z"},{"alias_kind":"pith_short_12","alias_value":"LXBXB7DWXPZG","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LXBXB7DWXPZGDVX4","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LXBXB7DW","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:LXBXB7DWXPZGDVX4N5YRJUQ77S","target":"record","payload":{"canonical_record":{"source":{"id":"1907.02775","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-07-05T11:29:08Z","cross_cats_sorted":[],"title_canon_sha256":"b40c6d44e0d5dab5e49fcc44355abfed10451691cf19cc53cb5b88c4722f8777","abstract_canon_sha256":"4fbd00f5227ddef8447c9629de71c780f2631c201e226cf849350e587aa53d8f"},"schema_version":"1.0"},"canonical_sha256":"5dc370fc76bbf261d6fc6f7114d21ffca72c27c8849904035f50a4889ba420e3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:23.162907Z","signature_b64":"WIm/BQH3KcHfbISKA8bX05d3mDR2hxO+jYBNKL/AfmbXU3QLv3fjBvLqImQa7ISz8Xf8lrMKDNyzLWt2ZmIHDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5dc370fc76bbf261d6fc6f7114d21ffca72c27c8849904035f50a4889ba420e3","last_reissued_at":"2026-05-17T23:41:23.162178Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:23.162178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.02775","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":"2026-05-17T23:41:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HJYEaCE7YDQp/221VNlKVRFlJFsi67PLyTvcNtAKLGHw9Fyo/a74Xb/nJ3jCznsU6Bk3NilXIVXcFOxGDc2AAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:08:45.397500Z"},"content_sha256":"cebdc7c4940ca1ba6a066b4e381aecd9b7e9d281a4ae5b3d68ffd1789a8ee43f","schema_version":"1.0","event_id":"sha256:cebdc7c4940ca1ba6a066b4e381aecd9b7e9d281a4ae5b3d68ffd1789a8ee43f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:LXBXB7DWXPZGDVX4N5YRJUQ77S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Asymptotic reduction, solution, and homogenisation of a thermo-electrochemical model for a lithium-ion battery","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Iain R. Moyles, Matthew G. Hennessy","submitted_at":"2019-07-05T11:29:08Z","abstract_excerpt":"We study two thermo-electrochemical models for lithium-ion batteries. The first is based on volume averaging the electrode microstructure whereas the second is based on the pseudo-two-dimensional (P2D) approach which treats the electrode as a collection of spherical particles. A scaling analysis is used to reduce the volume-averaged model and show that the electrochemical reactions are the dominant source of heat. Matched asymptotic expansions are used to compute solutions of the volume-averaged model for the cases of constant applied current, oscillating applied current, and constant cell pot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.02775","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":"2026-05-17T23:41:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dMVlZeZpRwbWNZeXu/Abl9+64Xpib/R3XmZ026KsiD6z9PJmOtzWYx6mP56lqVjD81pFxgTVgkzzXmlzZ+yvBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:08:45.398265Z"},"content_sha256":"146266c151e893a65cbb721eccdbae6c275f8aa8e72617e0c229f4cff51ff241","schema_version":"1.0","event_id":"sha256:146266c151e893a65cbb721eccdbae6c275f8aa8e72617e0c229f4cff51ff241"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LXBXB7DWXPZGDVX4N5YRJUQ77S/bundle.json","state_url":"https://pith.science/pith/LXBXB7DWXPZGDVX4N5YRJUQ77S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LXBXB7DWXPZGDVX4N5YRJUQ77S/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":"2026-05-31T08:08:45Z","links":{"resolver":"https://pith.science/pith/LXBXB7DWXPZGDVX4N5YRJUQ77S","bundle":"https://pith.science/pith/LXBXB7DWXPZGDVX4N5YRJUQ77S/bundle.json","state":"https://pith.science/pith/LXBXB7DWXPZGDVX4N5YRJUQ77S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LXBXB7DWXPZGDVX4N5YRJUQ77S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:LXBXB7DWXPZGDVX4N5YRJUQ77S","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":"4fbd00f5227ddef8447c9629de71c780f2631c201e226cf849350e587aa53d8f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-07-05T11:29:08Z","title_canon_sha256":"b40c6d44e0d5dab5e49fcc44355abfed10451691cf19cc53cb5b88c4722f8777"},"schema_version":"1.0","source":{"id":"1907.02775","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.02775","created_at":"2026-05-17T23:41:23Z"},{"alias_kind":"arxiv_version","alias_value":"1907.02775v1","created_at":"2026-05-17T23:41:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.02775","created_at":"2026-05-17T23:41:23Z"},{"alias_kind":"pith_short_12","alias_value":"LXBXB7DWXPZG","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LXBXB7DWXPZGDVX4","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LXBXB7DW","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:146266c151e893a65cbb721eccdbae6c275f8aa8e72617e0c229f4cff51ff241","target":"graph","created_at":"2026-05-17T23:41:23Z","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 study two thermo-electrochemical models for lithium-ion batteries. The first is based on volume averaging the electrode microstructure whereas the second is based on the pseudo-two-dimensional (P2D) approach which treats the electrode as a collection of spherical particles. A scaling analysis is used to reduce the volume-averaged model and show that the electrochemical reactions are the dominant source of heat. Matched asymptotic expansions are used to compute solutions of the volume-averaged model for the cases of constant applied current, oscillating applied current, and constant cell pot","authors_text":"Iain R. Moyles, Matthew G. Hennessy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-07-05T11:29:08Z","title":"Asymptotic reduction, solution, and homogenisation of a thermo-electrochemical model for a lithium-ion battery"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.02775","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:cebdc7c4940ca1ba6a066b4e381aecd9b7e9d281a4ae5b3d68ffd1789a8ee43f","target":"record","created_at":"2026-05-17T23:41:23Z","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":"4fbd00f5227ddef8447c9629de71c780f2631c201e226cf849350e587aa53d8f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-07-05T11:29:08Z","title_canon_sha256":"b40c6d44e0d5dab5e49fcc44355abfed10451691cf19cc53cb5b88c4722f8777"},"schema_version":"1.0","source":{"id":"1907.02775","kind":"arxiv","version":1}},"canonical_sha256":"5dc370fc76bbf261d6fc6f7114d21ffca72c27c8849904035f50a4889ba420e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5dc370fc76bbf261d6fc6f7114d21ffca72c27c8849904035f50a4889ba420e3","first_computed_at":"2026-05-17T23:41:23.162178Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:23.162178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WIm/BQH3KcHfbISKA8bX05d3mDR2hxO+jYBNKL/AfmbXU3QLv3fjBvLqImQa7ISz8Xf8lrMKDNyzLWt2ZmIHDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:23.162907Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.02775","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cebdc7c4940ca1ba6a066b4e381aecd9b7e9d281a4ae5b3d68ffd1789a8ee43f","sha256:146266c151e893a65cbb721eccdbae6c275f8aa8e72617e0c229f4cff51ff241"],"state_sha256":"412d7736a5ae5a53eab8a0be9b788976986da0bf4ba7114135f2f971c1f4545d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W0ved8V3SaaW8Ns3e8TH1YIPL+DAfrM3eHDriXtb9FQuKf+KdNLJOYmI+GC/dEa7qbvMo8G9jNTCvbzcJ9gBCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T08:08:45.402505Z","bundle_sha256":"1518f387137da147a5dd4903cda73a82989d3253c7add27aa1f554165c5e5039"}}