{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:5D7QDOWYZR7UF5BBTBVJC4OIGB","short_pith_number":"pith:5D7QDOWY","canonical_record":{"source":{"id":"2505.04804","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-05-07T21:10:40Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"d6298d915f03798f9cdcd2b70109731eaced14344794e012ebfe43fe561f3470","abstract_canon_sha256":"36b30de052e4712ee41487755e8418a005ae0e82f2aedd8d67802c061fd84cac"},"schema_version":"1.0"},"canonical_sha256":"e8ff01bad8cc7f42f421986a9171c83048af8a1c7b303703e2f092b45b6688fe","source":{"kind":"arxiv","id":"2505.04804","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.04804","created_at":"2026-07-05T11:00:13Z"},{"alias_kind":"arxiv_version","alias_value":"2505.04804v1","created_at":"2026-07-05T11:00:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.04804","created_at":"2026-07-05T11:00:13Z"},{"alias_kind":"pith_short_12","alias_value":"5D7QDOWYZR7U","created_at":"2026-07-05T11:00:13Z"},{"alias_kind":"pith_short_16","alias_value":"5D7QDOWYZR7UF5BB","created_at":"2026-07-05T11:00:13Z"},{"alias_kind":"pith_short_8","alias_value":"5D7QDOWY","created_at":"2026-07-05T11:00:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:5D7QDOWYZR7UF5BBTBVJC4OIGB","target":"record","payload":{"canonical_record":{"source":{"id":"2505.04804","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-05-07T21:10:40Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"d6298d915f03798f9cdcd2b70109731eaced14344794e012ebfe43fe561f3470","abstract_canon_sha256":"36b30de052e4712ee41487755e8418a005ae0e82f2aedd8d67802c061fd84cac"},"schema_version":"1.0"},"canonical_sha256":"e8ff01bad8cc7f42f421986a9171c83048af8a1c7b303703e2f092b45b6688fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:00:13.960761Z","signature_b64":"IVEBw6nuLXFKe7hFPn8aab5tZNqebF/DSU1Ci+D2OwnW1FMQHhk6Q8vWKcxrKwna/30TPYuaG4Nrovw+ZxTYBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8ff01bad8cc7f42f421986a9171c83048af8a1c7b303703e2f092b45b6688fe","last_reissued_at":"2026-07-05T11:00:13.960270Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:00:13.960270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.04804","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":"2026-07-05T11:00:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uOd9P942Pvuenf0bIEjWRyayiKbbojVG7hV643nGoHLyYSnoINAJH9m65KxQ9r9tcRoo90SsqC+GmGwt7ouYAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T05:49:08.286309Z"},"content_sha256":"b9cbcd93579fe8fb16c0488986d903c3a1d00026136e5ccc037613018bd39709","schema_version":"1.0","event_id":"sha256:b9cbcd93579fe8fb16c0488986d903c3a1d00026136e5ccc037613018bd39709"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:5D7QDOWYZR7UF5BBTBVJC4OIGB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HOP-graphene: A high-capacity anode for Li/Na-ion batteries unveiled by first-principles calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Jos\\'e A. S. Laranjeira, Julio R. Sambrano, Kleuton A. L. Lima, L.A. Ribeiro Junior, Luis A. Cabral, Nicolas F. Martins","submitted_at":"2025-05-07T21:10:40Z","abstract_excerpt":"The growing demand for efficient energy storage has driven the search for advanced anode materials for lithium- and sodium-ion batteries (LIBs and SIBs). In this context, we report the application of HOP-graphene (a 5-6-8-membered 2D carbon framework) as a high-performance anode material for LIBs and SIBs using density functional theory simulations. Diffusion studies reveal low energy barriers of 0.70 eV for Li and 0.39 eV for Na, indicating superior mobility at room temperature compared to other carbon allotropes, like graphite. Full lithiation and sodiation accommodate 24 Li and 22 Na atoms,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.04804","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/2505.04804/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":"2026-07-05T11:00:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x6IS3C9NPp6grGT2wb4eArOWZCX8KlvG7+T3h+KoYMWCYLjzR58glm02YVyTSqwlgLryKaQScqlcr9O/X7YqAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T05:49:08.286688Z"},"content_sha256":"43d58917d04b35ff0cdbc236a8728bb91031008a8264e4e1c391f7287b17e5e0","schema_version":"1.0","event_id":"sha256:43d58917d04b35ff0cdbc236a8728bb91031008a8264e4e1c391f7287b17e5e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5D7QDOWYZR7UF5BBTBVJC4OIGB/bundle.json","state_url":"https://pith.science/pith/5D7QDOWYZR7UF5BBTBVJC4OIGB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5D7QDOWYZR7UF5BBTBVJC4OIGB/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":"2026-08-21T05:49:08Z","links":{"resolver":"https://pith.science/pith/5D7QDOWYZR7UF5BBTBVJC4OIGB","bundle":"https://pith.science/pith/5D7QDOWYZR7UF5BBTBVJC4OIGB/bundle.json","state":"https://pith.science/pith/5D7QDOWYZR7UF5BBTBVJC4OIGB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5D7QDOWYZR7UF5BBTBVJC4OIGB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:5D7QDOWYZR7UF5BBTBVJC4OIGB","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":"36b30de052e4712ee41487755e8418a005ae0e82f2aedd8d67802c061fd84cac","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-05-07T21:10:40Z","title_canon_sha256":"d6298d915f03798f9cdcd2b70109731eaced14344794e012ebfe43fe561f3470"},"schema_version":"1.0","source":{"id":"2505.04804","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.04804","created_at":"2026-07-05T11:00:13Z"},{"alias_kind":"arxiv_version","alias_value":"2505.04804v1","created_at":"2026-07-05T11:00:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.04804","created_at":"2026-07-05T11:00:13Z"},{"alias_kind":"pith_short_12","alias_value":"5D7QDOWYZR7U","created_at":"2026-07-05T11:00:13Z"},{"alias_kind":"pith_short_16","alias_value":"5D7QDOWYZR7UF5BB","created_at":"2026-07-05T11:00:13Z"},{"alias_kind":"pith_short_8","alias_value":"5D7QDOWY","created_at":"2026-07-05T11:00:13Z"}],"graph_snapshots":[{"event_id":"sha256:43d58917d04b35ff0cdbc236a8728bb91031008a8264e4e1c391f7287b17e5e0","target":"graph","created_at":"2026-07-05T11:00:13Z","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/2505.04804/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The growing demand for efficient energy storage has driven the search for advanced anode materials for lithium- and sodium-ion batteries (LIBs and SIBs). In this context, we report the application of HOP-graphene (a 5-6-8-membered 2D carbon framework) as a high-performance anode material for LIBs and SIBs using density functional theory simulations. Diffusion studies reveal low energy barriers of 0.70 eV for Li and 0.39 eV for Na, indicating superior mobility at room temperature compared to other carbon allotropes, like graphite. Full lithiation and sodiation accommodate 24 Li and 22 Na atoms,","authors_text":"Jos\\'e A. S. Laranjeira, Julio R. Sambrano, Kleuton A. L. Lima, L.A. Ribeiro Junior, Luis A. Cabral, Nicolas F. Martins","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-05-07T21:10:40Z","title":"HOP-graphene: A high-capacity anode for Li/Na-ion batteries unveiled by first-principles calculations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.04804","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:b9cbcd93579fe8fb16c0488986d903c3a1d00026136e5ccc037613018bd39709","target":"record","created_at":"2026-07-05T11:00:13Z","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":"36b30de052e4712ee41487755e8418a005ae0e82f2aedd8d67802c061fd84cac","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-05-07T21:10:40Z","title_canon_sha256":"d6298d915f03798f9cdcd2b70109731eaced14344794e012ebfe43fe561f3470"},"schema_version":"1.0","source":{"id":"2505.04804","kind":"arxiv","version":1}},"canonical_sha256":"e8ff01bad8cc7f42f421986a9171c83048af8a1c7b303703e2f092b45b6688fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e8ff01bad8cc7f42f421986a9171c83048af8a1c7b303703e2f092b45b6688fe","first_computed_at":"2026-07-05T11:00:13.960270Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:00:13.960270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IVEBw6nuLXFKe7hFPn8aab5tZNqebF/DSU1Ci+D2OwnW1FMQHhk6Q8vWKcxrKwna/30TPYuaG4Nrovw+ZxTYBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:00:13.960761Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.04804","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9cbcd93579fe8fb16c0488986d903c3a1d00026136e5ccc037613018bd39709","sha256:43d58917d04b35ff0cdbc236a8728bb91031008a8264e4e1c391f7287b17e5e0"],"state_sha256":"fc7ffdba7662f1c1377e43c971552947fd77197fa791465e830a5e6e33b180fc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JEpL37lymadXdKkVZIOQ5GtdBLzPeJIYiM0RmLZaSwkKAfof+LjdZPKLWugq7Lq3xAdHZc8Br7Nt7za8uWd/BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T05:49:08.289088Z","bundle_sha256":"146763dd1c9ed40be69e32fa654945727e2f8b8f5f7fc262a0bcaf56a4768278"}}