{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:MN3VVMO6MWSWXHYEKUXAVBQ4WJ","short_pith_number":"pith:MN3VVMO6","canonical_record":{"source":{"id":"2508.09501","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-08-13T05:19:23Z","cross_cats_sorted":[],"title_canon_sha256":"5c4f2384d600a4c9c7ad19e63e808c5577f0e7779b0b92e9ad8464a9182cbf30","abstract_canon_sha256":"75a42806a7f471ed0f26441ec1943cf7a6f903a5dc22f76ddd1c98c0c57a31e3"},"schema_version":"1.0"},"canonical_sha256":"63775ab1de65a56b9f04552e0a861cb2538679ea543ecbc344198abf014e461b","source":{"kind":"arxiv","id":"2508.09501","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.09501","created_at":"2026-07-05T11:53:16Z"},{"alias_kind":"arxiv_version","alias_value":"2508.09501v1","created_at":"2026-07-05T11:53:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.09501","created_at":"2026-07-05T11:53:16Z"},{"alias_kind":"pith_short_12","alias_value":"MN3VVMO6MWSW","created_at":"2026-07-05T11:53:16Z"},{"alias_kind":"pith_short_16","alias_value":"MN3VVMO6MWSWXHYE","created_at":"2026-07-05T11:53:16Z"},{"alias_kind":"pith_short_8","alias_value":"MN3VVMO6","created_at":"2026-07-05T11:53:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:MN3VVMO6MWSWXHYEKUXAVBQ4WJ","target":"record","payload":{"canonical_record":{"source":{"id":"2508.09501","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-08-13T05:19:23Z","cross_cats_sorted":[],"title_canon_sha256":"5c4f2384d600a4c9c7ad19e63e808c5577f0e7779b0b92e9ad8464a9182cbf30","abstract_canon_sha256":"75a42806a7f471ed0f26441ec1943cf7a6f903a5dc22f76ddd1c98c0c57a31e3"},"schema_version":"1.0"},"canonical_sha256":"63775ab1de65a56b9f04552e0a861cb2538679ea543ecbc344198abf014e461b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:53:16.182494Z","signature_b64":"3j/1/jmQFFUMrgzMjhJpfbZZfKbcNt11eLsgsC5IengyEqV7TRambOA5fYjo/MvW83RbMvL2063g1ZFZR+URAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63775ab1de65a56b9f04552e0a861cb2538679ea543ecbc344198abf014e461b","last_reissued_at":"2026-07-05T11:53:16.182003Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:53:16.182003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.09501","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":"2026-07-05T11:53:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WYQEikLgm54aPxvmIAwab5NSHZXKan009c4brjE8kb7tfDHteO9+oTGV/4jqPw1n/uF+koPrroALyES1M2dwAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T14:14:40.560379Z"},"content_sha256":"d637f4ee5a129d3f5f2dd45b783658b6eb8e26ac5ac845a9ef12e6d912b74af7","schema_version":"1.0","event_id":"sha256:d637f4ee5a129d3f5f2dd45b783658b6eb8e26ac5ac845a9ef12e6d912b74af7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:MN3VVMO6MWSWXHYEKUXAVBQ4WJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mechanical Force-Driven Charge Redistribution for Hydrogen Release at Ambient Conditions in Transition Metal-Intercalated Bilayer Graphene","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hoonkyung Lee, Jongdeok Kim, Massimiliano Di Ventra, Vikram Mahamiya","submitted_at":"2025-08-13T05:19:23Z","abstract_excerpt":"Transition-metal (TM) atom-functionalized nanomaterials are promising candidates for hydrogen storage due to their ability to adsorb multiple hydrogen molecules through Kubas interactions. However, achieving efficient hydrogen desorption at ambient conditions remains a critical challenge for practical use. Here, we present a novel approach to modulate the desorption temperature of hydrogen in TM-intercalated bilayer graphene (BLG) using external mechanical forces. By employing first-principles density functional theory (DFT) and thermodynamic occupancy probability calculations, we demonstrate "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.09501","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/2508.09501/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":"2026-07-05T11:53:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GP6gLKC4gUEoXXHK1E3JE0W/L0wN0+C7gI6J7gEffa4w9yena3bE8ndRiF/pqiCj6h6HoBv/Q5vxTuGIsZ3pCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T14:14:40.560910Z"},"content_sha256":"a38beb64bff7aaf0c009fc1a60a4a8044afab7d8410058a9b13d8576734bdb2b","schema_version":"1.0","event_id":"sha256:a38beb64bff7aaf0c009fc1a60a4a8044afab7d8410058a9b13d8576734bdb2b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MN3VVMO6MWSWXHYEKUXAVBQ4WJ/bundle.json","state_url":"https://pith.science/pith/MN3VVMO6MWSWXHYEKUXAVBQ4WJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MN3VVMO6MWSWXHYEKUXAVBQ4WJ/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":"2026-08-08T14:14:40Z","links":{"resolver":"https://pith.science/pith/MN3VVMO6MWSWXHYEKUXAVBQ4WJ","bundle":"https://pith.science/pith/MN3VVMO6MWSWXHYEKUXAVBQ4WJ/bundle.json","state":"https://pith.science/pith/MN3VVMO6MWSWXHYEKUXAVBQ4WJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MN3VVMO6MWSWXHYEKUXAVBQ4WJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:MN3VVMO6MWSWXHYEKUXAVBQ4WJ","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":"75a42806a7f471ed0f26441ec1943cf7a6f903a5dc22f76ddd1c98c0c57a31e3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-08-13T05:19:23Z","title_canon_sha256":"5c4f2384d600a4c9c7ad19e63e808c5577f0e7779b0b92e9ad8464a9182cbf30"},"schema_version":"1.0","source":{"id":"2508.09501","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.09501","created_at":"2026-07-05T11:53:16Z"},{"alias_kind":"arxiv_version","alias_value":"2508.09501v1","created_at":"2026-07-05T11:53:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.09501","created_at":"2026-07-05T11:53:16Z"},{"alias_kind":"pith_short_12","alias_value":"MN3VVMO6MWSW","created_at":"2026-07-05T11:53:16Z"},{"alias_kind":"pith_short_16","alias_value":"MN3VVMO6MWSWXHYE","created_at":"2026-07-05T11:53:16Z"},{"alias_kind":"pith_short_8","alias_value":"MN3VVMO6","created_at":"2026-07-05T11:53:16Z"}],"graph_snapshots":[{"event_id":"sha256:a38beb64bff7aaf0c009fc1a60a4a8044afab7d8410058a9b13d8576734bdb2b","target":"graph","created_at":"2026-07-05T11:53:16Z","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/2508.09501/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Transition-metal (TM) atom-functionalized nanomaterials are promising candidates for hydrogen storage due to their ability to adsorb multiple hydrogen molecules through Kubas interactions. However, achieving efficient hydrogen desorption at ambient conditions remains a critical challenge for practical use. Here, we present a novel approach to modulate the desorption temperature of hydrogen in TM-intercalated bilayer graphene (BLG) using external mechanical forces. By employing first-principles density functional theory (DFT) and thermodynamic occupancy probability calculations, we demonstrate ","authors_text":"Hoonkyung Lee, Jongdeok Kim, Massimiliano Di Ventra, Vikram Mahamiya","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-08-13T05:19:23Z","title":"Mechanical Force-Driven Charge Redistribution for Hydrogen Release at Ambient Conditions in Transition Metal-Intercalated Bilayer Graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.09501","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:d637f4ee5a129d3f5f2dd45b783658b6eb8e26ac5ac845a9ef12e6d912b74af7","target":"record","created_at":"2026-07-05T11:53:16Z","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":"75a42806a7f471ed0f26441ec1943cf7a6f903a5dc22f76ddd1c98c0c57a31e3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-08-13T05:19:23Z","title_canon_sha256":"5c4f2384d600a4c9c7ad19e63e808c5577f0e7779b0b92e9ad8464a9182cbf30"},"schema_version":"1.0","source":{"id":"2508.09501","kind":"arxiv","version":1}},"canonical_sha256":"63775ab1de65a56b9f04552e0a861cb2538679ea543ecbc344198abf014e461b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63775ab1de65a56b9f04552e0a861cb2538679ea543ecbc344198abf014e461b","first_computed_at":"2026-07-05T11:53:16.182003Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:53:16.182003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3j/1/jmQFFUMrgzMjhJpfbZZfKbcNt11eLsgsC5IengyEqV7TRambOA5fYjo/MvW83RbMvL2063g1ZFZR+URAA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:53:16.182494Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.09501","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d637f4ee5a129d3f5f2dd45b783658b6eb8e26ac5ac845a9ef12e6d912b74af7","sha256:a38beb64bff7aaf0c009fc1a60a4a8044afab7d8410058a9b13d8576734bdb2b"],"state_sha256":"cbc3446463c5c8b000faf3627b17a48e5f437a4bacc37a0a9c89aaafb0201d7b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wbK6lRtDcjbJY8Erm5pn0fu9Zjn9YMgjl0KuUDhgBI155vkeInTXZn2tl0bKALO9Ig0enfOQ14Hh2lph6wMRBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T14:14:40.565688Z","bundle_sha256":"a0cf9577e2b97ced1a8f363f29c6dec91368d8de34e47dfd87e5ff5e77e37b54"}}