{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:55HNAKUVQOFOCJNNHUUJ37XFW4","short_pith_number":"pith:55HNAKUV","canonical_record":{"source":{"id":"1801.06440","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-19T15:10:11Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"2fe1c93ed44ee766995596bba347c8c35576377c3e0d584d233f600e072c4970","abstract_canon_sha256":"d7ef8baeaea6a0caf3c3078a8e1da25141d916808094d5b91936f21ff46b4edb"},"schema_version":"1.0"},"canonical_sha256":"ef4ed02a95838ae125ad3d289dfee5b70b7d20af280fff43a5701580e6cd1b96","source":{"kind":"arxiv","id":"1801.06440","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.06440","created_at":"2026-05-18T00:25:30Z"},{"alias_kind":"arxiv_version","alias_value":"1801.06440v1","created_at":"2026-05-18T00:25:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.06440","created_at":"2026-05-18T00:25:30Z"},{"alias_kind":"pith_short_12","alias_value":"55HNAKUVQOFO","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"55HNAKUVQOFOCJNN","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"55HNAKUV","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:55HNAKUVQOFOCJNNHUUJ37XFW4","target":"record","payload":{"canonical_record":{"source":{"id":"1801.06440","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-19T15:10:11Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"2fe1c93ed44ee766995596bba347c8c35576377c3e0d584d233f600e072c4970","abstract_canon_sha256":"d7ef8baeaea6a0caf3c3078a8e1da25141d916808094d5b91936f21ff46b4edb"},"schema_version":"1.0"},"canonical_sha256":"ef4ed02a95838ae125ad3d289dfee5b70b7d20af280fff43a5701580e6cd1b96","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:30.116833Z","signature_b64":"OqYJRV4D7O5wgXelTbbuFkbdDtBK084g01HN6Ji/h50YKpYhaEDNmW00XnyuTW6T82BQ5s7RRnzKF6pd14aOCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef4ed02a95838ae125ad3d289dfee5b70b7d20af280fff43a5701580e6cd1b96","last_reissued_at":"2026-05-18T00:25:30.116029Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:30.116029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.06440","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":"2026-05-18T00:25:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uibAANaiB7zHvfIm1qv9ypfuljfVEzLLojr8zGG5fFXEM43657SUJaH5KcoWLLB9eyDG8sYmQELRzyyeeYX5Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T17:03:54.114951Z"},"content_sha256":"cfb369680b07762e1845baea80c56bb45cdcf3830fe7f2ec7525661a2b6820db","schema_version":"1.0","event_id":"sha256:cfb369680b07762e1845baea80c56bb45cdcf3830fe7f2ec7525661a2b6820db"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:55HNAKUVQOFOCJNNHUUJ37XFW4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Insights into $\\text{Li}^{+}$, $\\text{Na}^{+}$ and $\\text{K}^{+}$ Intercalation in Lepidocrocite-type Layered $\\text{TiO}_{2}$ Structures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Damien Dambournet, Jiwei Ma, Kyle G. Reeves, Mathieu Salanne, Mika Fukunishi, Shinichi Komaba","submitted_at":"2018-01-19T15:10:11Z","abstract_excerpt":"A lamellar lepidocrocite-type titanate structure with ~25% $\\text{Ti}^{4+}$vacancies was recently synthesized, and it showed potential for use as an electrode in rechargeable lithium-ion batteries. In addition to lithium, we explore this material's ability to accommodate other monovalent ions with greater natural abundance (e.g. sodium and potassium) in order to develop lower-cost alternatives to lithium-ion batteries constructed from more widely available elements. Galvanostatic discharge/charge curves for the lepidocrocite material indicate that increasing the ionic radius of the monovalent "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.06440","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":"2026-05-18T00:25:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EEFxzcdn8GflZQSMtp/eOIMcfpvv6FLEdJWTe6wbQ7EVRQORGnZwQGZnF5tNNNZIuRvIwcfeV47rJ4AA9tvOBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T17:03:54.115304Z"},"content_sha256":"aabd4a64152949ea4dc779324affe9f3fc20c1c2a956a0810140840b9350182b","schema_version":"1.0","event_id":"sha256:aabd4a64152949ea4dc779324affe9f3fc20c1c2a956a0810140840b9350182b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/55HNAKUVQOFOCJNNHUUJ37XFW4/bundle.json","state_url":"https://pith.science/pith/55HNAKUVQOFOCJNNHUUJ37XFW4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/55HNAKUVQOFOCJNNHUUJ37XFW4/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":"2026-06-02T17:03:54Z","links":{"resolver":"https://pith.science/pith/55HNAKUVQOFOCJNNHUUJ37XFW4","bundle":"https://pith.science/pith/55HNAKUVQOFOCJNNHUUJ37XFW4/bundle.json","state":"https://pith.science/pith/55HNAKUVQOFOCJNNHUUJ37XFW4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/55HNAKUVQOFOCJNNHUUJ37XFW4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:55HNAKUVQOFOCJNNHUUJ37XFW4","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":"d7ef8baeaea6a0caf3c3078a8e1da25141d916808094d5b91936f21ff46b4edb","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-19T15:10:11Z","title_canon_sha256":"2fe1c93ed44ee766995596bba347c8c35576377c3e0d584d233f600e072c4970"},"schema_version":"1.0","source":{"id":"1801.06440","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.06440","created_at":"2026-05-18T00:25:30Z"},{"alias_kind":"arxiv_version","alias_value":"1801.06440v1","created_at":"2026-05-18T00:25:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.06440","created_at":"2026-05-18T00:25:30Z"},{"alias_kind":"pith_short_12","alias_value":"55HNAKUVQOFO","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"55HNAKUVQOFOCJNN","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"55HNAKUV","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:aabd4a64152949ea4dc779324affe9f3fc20c1c2a956a0810140840b9350182b","target":"graph","created_at":"2026-05-18T00:25:30Z","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":"A lamellar lepidocrocite-type titanate structure with ~25% $\\text{Ti}^{4+}$vacancies was recently synthesized, and it showed potential for use as an electrode in rechargeable lithium-ion batteries. In addition to lithium, we explore this material's ability to accommodate other monovalent ions with greater natural abundance (e.g. sodium and potassium) in order to develop lower-cost alternatives to lithium-ion batteries constructed from more widely available elements. Galvanostatic discharge/charge curves for the lepidocrocite material indicate that increasing the ionic radius of the monovalent ","authors_text":"Damien Dambournet, Jiwei Ma, Kyle G. Reeves, Mathieu Salanne, Mika Fukunishi, Shinichi Komaba","cross_cats":["physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-19T15:10:11Z","title":"Insights into $\\text{Li}^{+}$, $\\text{Na}^{+}$ and $\\text{K}^{+}$ Intercalation in Lepidocrocite-type Layered $\\text{TiO}_{2}$ Structures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.06440","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:cfb369680b07762e1845baea80c56bb45cdcf3830fe7f2ec7525661a2b6820db","target":"record","created_at":"2026-05-18T00:25:30Z","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":"d7ef8baeaea6a0caf3c3078a8e1da25141d916808094d5b91936f21ff46b4edb","cross_cats_sorted":["physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-19T15:10:11Z","title_canon_sha256":"2fe1c93ed44ee766995596bba347c8c35576377c3e0d584d233f600e072c4970"},"schema_version":"1.0","source":{"id":"1801.06440","kind":"arxiv","version":1}},"canonical_sha256":"ef4ed02a95838ae125ad3d289dfee5b70b7d20af280fff43a5701580e6cd1b96","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef4ed02a95838ae125ad3d289dfee5b70b7d20af280fff43a5701580e6cd1b96","first_computed_at":"2026-05-18T00:25:30.116029Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:30.116029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OqYJRV4D7O5wgXelTbbuFkbdDtBK084g01HN6Ji/h50YKpYhaEDNmW00XnyuTW6T82BQ5s7RRnzKF6pd14aOCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:30.116833Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.06440","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cfb369680b07762e1845baea80c56bb45cdcf3830fe7f2ec7525661a2b6820db","sha256:aabd4a64152949ea4dc779324affe9f3fc20c1c2a956a0810140840b9350182b"],"state_sha256":"286e1ba998c1589b50036669a2a8dcb4cb9cc4aef5bcee2cf801a3e3bbf8c621"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F7IJS0XLSOi7H+D6jtWOcGLaAGnwgrRqvq2XtgYvOrdsazSw0Z12iS84R51wrv9CGc3BmIDOW/x+2AQFYleGDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T17:03:54.117207Z","bundle_sha256":"f4e06ad967e62c53a3ce9b9f5d0613045001eece9e0073c6d68fd52f2f6344aa"}}