{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:2OZQHQ5OL44DCGPVIZEC45EDV7","short_pith_number":"pith:2OZQHQ5O","canonical_record":{"source":{"id":"2607.08224","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-09T08:17:56Z","cross_cats_sorted":[],"title_canon_sha256":"1fdeeb7ee8aa634b40711f32e3d14e53fe691c4648609524d8ea0882ccf54f92","abstract_canon_sha256":"0c88207c1b31c40d073222f343e3c16f2d1fc7f568027fafd9acb487d7b0971e"},"schema_version":"1.0"},"canonical_sha256":"d3b303c3ae5f383119f546482e7483affaf060e40d52352fa42126b82c312036","source":{"kind":"arxiv","id":"2607.08224","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.08224","created_at":"2026-07-10T01:19:30Z"},{"alias_kind":"arxiv_version","alias_value":"2607.08224v1","created_at":"2026-07-10T01:19:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.08224","created_at":"2026-07-10T01:19:30Z"},{"alias_kind":"pith_short_12","alias_value":"2OZQHQ5OL44D","created_at":"2026-07-10T01:19:30Z"},{"alias_kind":"pith_short_16","alias_value":"2OZQHQ5OL44DCGPV","created_at":"2026-07-10T01:19:30Z"},{"alias_kind":"pith_short_8","alias_value":"2OZQHQ5O","created_at":"2026-07-10T01:19:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:2OZQHQ5OL44DCGPVIZEC45EDV7","target":"record","payload":{"canonical_record":{"source":{"id":"2607.08224","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-09T08:17:56Z","cross_cats_sorted":[],"title_canon_sha256":"1fdeeb7ee8aa634b40711f32e3d14e53fe691c4648609524d8ea0882ccf54f92","abstract_canon_sha256":"0c88207c1b31c40d073222f343e3c16f2d1fc7f568027fafd9acb487d7b0971e"},"schema_version":"1.0"},"canonical_sha256":"d3b303c3ae5f383119f546482e7483affaf060e40d52352fa42126b82c312036","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-10T01:19:30.155602Z","signature_b64":"y5ZtAzM202xmDVgl+wpYGRdmmxA/5zrPAyoOC3pCQ+uhH6C1VfKocpVFgVIx22NNstHPcM/mWlJAMJU+XsU9Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d3b303c3ae5f383119f546482e7483affaf060e40d52352fa42126b82c312036","last_reissued_at":"2026-07-10T01:19:30.155247Z","signature_status":"signed_v1","first_computed_at":"2026-07-10T01:19:30.155247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.08224","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":"2026-07-10T01:19:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Ve7/GYnXrwTIZKRsGpXt5xVcwZHDislvyltY2iX8PupcLb8ob7sttRMCRdwaDfD5sB7fEU3ejYiw6iPvYKTAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T10:49:51.660668Z"},"content_sha256":"3f7460f940f61fceb8306a8bc82102fb4a66bfe58fdc4eff5bc58894c99ad0df","schema_version":"1.0","event_id":"sha256:3f7460f940f61fceb8306a8bc82102fb4a66bfe58fdc4eff5bc58894c99ad0df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:2OZQHQ5OL44DCGPVIZEC45EDV7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phase stability and ionic transport in post-spinel CaV$_2$O$_4$ cathode","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Dereje Bekele Tekliye, Gopalakrishnan Sai Gautam, Javeed Ahmad Dar","submitted_at":"2026-07-09T08:17:56Z","abstract_excerpt":"Calcium-ion batteries (CBs) represent an alternative to lithium-ion technology but their advancement is limited by the lack of high-performance intercalation cathodes. Identified via computational screening, post-spinel CaV$_2$O$_4$ has emerged as a promising candidate, though its practical application is hindered by limited electrochemical capacity. Hence, we investigate the thermodynamic and ionic transport characteristics of Ca$_x$V$_2$O$_4$ ($0 \\leq x \\leq 1$) in this work, by integrating the cluster expansion formalism with Monte Carlo simulations and density functional theory based calcu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.08224","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/2607.08224/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":"2026-07-10T01:19:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cMfbxsxTiccCjwG1p/Z9JDHvsYqELGE62dBu3mMtQ/QB+DHx/Cf277A61ccSJQECF/3GlqNrmEImvf08vpACBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T10:49:51.661152Z"},"content_sha256":"0c7cdc4a2be00b74fe26b2ed444ff26e083addaef44f4b25958a346dc87d2922","schema_version":"1.0","event_id":"sha256:0c7cdc4a2be00b74fe26b2ed444ff26e083addaef44f4b25958a346dc87d2922"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2OZQHQ5OL44DCGPVIZEC45EDV7/bundle.json","state_url":"https://pith.science/pith/2OZQHQ5OL44DCGPVIZEC45EDV7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2OZQHQ5OL44DCGPVIZEC45EDV7/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":"2026-08-04T10:49:51Z","links":{"resolver":"https://pith.science/pith/2OZQHQ5OL44DCGPVIZEC45EDV7","bundle":"https://pith.science/pith/2OZQHQ5OL44DCGPVIZEC45EDV7/bundle.json","state":"https://pith.science/pith/2OZQHQ5OL44DCGPVIZEC45EDV7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2OZQHQ5OL44DCGPVIZEC45EDV7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:2OZQHQ5OL44DCGPVIZEC45EDV7","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":"0c88207c1b31c40d073222f343e3c16f2d1fc7f568027fafd9acb487d7b0971e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-09T08:17:56Z","title_canon_sha256":"1fdeeb7ee8aa634b40711f32e3d14e53fe691c4648609524d8ea0882ccf54f92"},"schema_version":"1.0","source":{"id":"2607.08224","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.08224","created_at":"2026-07-10T01:19:30Z"},{"alias_kind":"arxiv_version","alias_value":"2607.08224v1","created_at":"2026-07-10T01:19:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.08224","created_at":"2026-07-10T01:19:30Z"},{"alias_kind":"pith_short_12","alias_value":"2OZQHQ5OL44D","created_at":"2026-07-10T01:19:30Z"},{"alias_kind":"pith_short_16","alias_value":"2OZQHQ5OL44DCGPV","created_at":"2026-07-10T01:19:30Z"},{"alias_kind":"pith_short_8","alias_value":"2OZQHQ5O","created_at":"2026-07-10T01:19:30Z"}],"graph_snapshots":[{"event_id":"sha256:0c7cdc4a2be00b74fe26b2ed444ff26e083addaef44f4b25958a346dc87d2922","target":"graph","created_at":"2026-07-10T01:19:30Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.08224/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Calcium-ion batteries (CBs) represent an alternative to lithium-ion technology but their advancement is limited by the lack of high-performance intercalation cathodes. Identified via computational screening, post-spinel CaV$_2$O$_4$ has emerged as a promising candidate, though its practical application is hindered by limited electrochemical capacity. Hence, we investigate the thermodynamic and ionic transport characteristics of Ca$_x$V$_2$O$_4$ ($0 \\leq x \\leq 1$) in this work, by integrating the cluster expansion formalism with Monte Carlo simulations and density functional theory based calcu","authors_text":"Dereje Bekele Tekliye, Gopalakrishnan Sai Gautam, Javeed Ahmad Dar","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-09T08:17:56Z","title":"Phase stability and ionic transport in post-spinel CaV$_2$O$_4$ cathode"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.08224","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":"sha256:3f7460f940f61fceb8306a8bc82102fb4a66bfe58fdc4eff5bc58894c99ad0df","target":"record","created_at":"2026-07-10T01:19:30Z","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":"0c88207c1b31c40d073222f343e3c16f2d1fc7f568027fafd9acb487d7b0971e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-09T08:17:56Z","title_canon_sha256":"1fdeeb7ee8aa634b40711f32e3d14e53fe691c4648609524d8ea0882ccf54f92"},"schema_version":"1.0","source":{"id":"2607.08224","kind":"arxiv","version":1}},"canonical_sha256":"d3b303c3ae5f383119f546482e7483affaf060e40d52352fa42126b82c312036","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d3b303c3ae5f383119f546482e7483affaf060e40d52352fa42126b82c312036","first_computed_at":"2026-07-10T01:19:30.155247Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-10T01:19:30.155247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y5ZtAzM202xmDVgl+wpYGRdmmxA/5zrPAyoOC3pCQ+uhH6C1VfKocpVFgVIx22NNstHPcM/mWlJAMJU+XsU9Bg==","signature_status":"signed_v1","signed_at":"2026-07-10T01:19:30.155602Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.08224","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f7460f940f61fceb8306a8bc82102fb4a66bfe58fdc4eff5bc58894c99ad0df","sha256:0c7cdc4a2be00b74fe26b2ed444ff26e083addaef44f4b25958a346dc87d2922"],"state_sha256":"75573f409ecaa568172f6ffa8bcdfc35cbc31b991187083e9a848b34918e66e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"upepmSgOQ1rBPVhUYgzy4OCY45oorLzAzbsnOhUxIhaJK4ae0z3UFrvvjd0A47TYJTwilCrwXrgsqyAQk33vBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T10:49:51.666260Z","bundle_sha256":"3ed7ab7aa76eb2bc6055a0455d8b6f1179c6340a457c561800c71f3ea3e3e7ec"}}