{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:6YARKJLGVAZY2GQE7U2YXIYDS4","short_pith_number":"pith:6YARKJLG","canonical_record":{"source":{"id":"2210.10242","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-10-19T01:44:04Z","cross_cats_sorted":[],"title_canon_sha256":"808a49e1f029d87a6cfd5caeafcdcca0ab25568d70ca87a15ea1fba3a6769ea7","abstract_canon_sha256":"a0a6b710ed1bc9460ee95e5c8acf0b0bda43dabe049c02e7c8a52c4e4fa32047"},"schema_version":"1.0"},"canonical_sha256":"f601152566a8338d1a04fd358ba30397305d2b45d3101fdcecdf21428e2f4066","source":{"kind":"arxiv","id":"2210.10242","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.10242","created_at":"2026-07-05T06:03:25Z"},{"alias_kind":"arxiv_version","alias_value":"2210.10242v2","created_at":"2026-07-05T06:03:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.10242","created_at":"2026-07-05T06:03:25Z"},{"alias_kind":"pith_short_12","alias_value":"6YARKJLGVAZY","created_at":"2026-07-05T06:03:25Z"},{"alias_kind":"pith_short_16","alias_value":"6YARKJLGVAZY2GQE","created_at":"2026-07-05T06:03:25Z"},{"alias_kind":"pith_short_8","alias_value":"6YARKJLG","created_at":"2026-07-05T06:03:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:6YARKJLGVAZY2GQE7U2YXIYDS4","target":"record","payload":{"canonical_record":{"source":{"id":"2210.10242","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-10-19T01:44:04Z","cross_cats_sorted":[],"title_canon_sha256":"808a49e1f029d87a6cfd5caeafcdcca0ab25568d70ca87a15ea1fba3a6769ea7","abstract_canon_sha256":"a0a6b710ed1bc9460ee95e5c8acf0b0bda43dabe049c02e7c8a52c4e4fa32047"},"schema_version":"1.0"},"canonical_sha256":"f601152566a8338d1a04fd358ba30397305d2b45d3101fdcecdf21428e2f4066","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:03:25.929330Z","signature_b64":"GBVo1+6AUsrfJ1Y8pZvZAi7ZVhJKkgSGEetB2BKgd8vMLUdufHDYoAa5mrMtwqaXroYp4P3Xpg0XpPAlO16dCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f601152566a8338d1a04fd358ba30397305d2b45d3101fdcecdf21428e2f4066","last_reissued_at":"2026-07-05T06:03:25.928890Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:03:25.928890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.10242","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:03:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lYf3o64TtDMgfg+zCnimTPlPUhzJwvmDVwScc/v/lsmpVP0oD1hiEFbXcE7NRtRaAo0+BHQcSWlcawZ7DACnAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T15:16:01.802533Z"},"content_sha256":"3409a07dafe63edab58328ed420c29e6bdac3bd87c372cb60fbc9afa3de228e5","schema_version":"1.0","event_id":"sha256:3409a07dafe63edab58328ed420c29e6bdac3bd87c372cb60fbc9afa3de228e5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:6YARKJLGVAZY2GQE7U2YXIYDS4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local electronic structure of interstitial hydrogen in MgH$_2$ inferred from muon study","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Koda, H. Okabe, M. Hiraishi, R. Kadono, T. U. Ito","submitted_at":"2022-10-19T01:44:04Z","abstract_excerpt":"Magnesium hydride has great potential as a solid hydrogen (H) storage material because of its high H storage capacity of 7.6 wt%. However, its slow hydrogenation and dehydrogenation kinetics and the high temperature of 300 $^\\circ$C required for decomposition are major obstacles to small-scale applications such as automobiles. The local electronic structure of interstitial H in MgH$_2$ is an important fundamental knowledge in solving this problem, which has been studied mainly based on density functional theory (DFT). However, few experimental studies have been performed to assess the results "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.10242","kind":"arxiv","version":2},"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/2210.10242/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":"2026-07-05T06:03:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XGO5Yjdk1sSJNOukasFsHI75Neu/eS6evXNsd2/EvBBBKSTGAHZqv4a1VocsW6qt/4tshbNKxfXFTPC+7Yj0Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T15:16:01.803177Z"},"content_sha256":"ddbf21d2b522ad52fb9281f42608add9cfe6a23132a36961aa1c07a8b2a5c0b4","schema_version":"1.0","event_id":"sha256:ddbf21d2b522ad52fb9281f42608add9cfe6a23132a36961aa1c07a8b2a5c0b4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6YARKJLGVAZY2GQE7U2YXIYDS4/bundle.json","state_url":"https://pith.science/pith/6YARKJLGVAZY2GQE7U2YXIYDS4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6YARKJLGVAZY2GQE7U2YXIYDS4/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":"2026-08-18T15:16:01Z","links":{"resolver":"https://pith.science/pith/6YARKJLGVAZY2GQE7U2YXIYDS4","bundle":"https://pith.science/pith/6YARKJLGVAZY2GQE7U2YXIYDS4/bundle.json","state":"https://pith.science/pith/6YARKJLGVAZY2GQE7U2YXIYDS4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6YARKJLGVAZY2GQE7U2YXIYDS4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:6YARKJLGVAZY2GQE7U2YXIYDS4","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":"a0a6b710ed1bc9460ee95e5c8acf0b0bda43dabe049c02e7c8a52c4e4fa32047","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-10-19T01:44:04Z","title_canon_sha256":"808a49e1f029d87a6cfd5caeafcdcca0ab25568d70ca87a15ea1fba3a6769ea7"},"schema_version":"1.0","source":{"id":"2210.10242","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.10242","created_at":"2026-07-05T06:03:25Z"},{"alias_kind":"arxiv_version","alias_value":"2210.10242v2","created_at":"2026-07-05T06:03:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.10242","created_at":"2026-07-05T06:03:25Z"},{"alias_kind":"pith_short_12","alias_value":"6YARKJLGVAZY","created_at":"2026-07-05T06:03:25Z"},{"alias_kind":"pith_short_16","alias_value":"6YARKJLGVAZY2GQE","created_at":"2026-07-05T06:03:25Z"},{"alias_kind":"pith_short_8","alias_value":"6YARKJLG","created_at":"2026-07-05T06:03:25Z"}],"graph_snapshots":[{"event_id":"sha256:ddbf21d2b522ad52fb9281f42608add9cfe6a23132a36961aa1c07a8b2a5c0b4","target":"graph","created_at":"2026-07-05T06:03:25Z","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/2210.10242/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Magnesium hydride has great potential as a solid hydrogen (H) storage material because of its high H storage capacity of 7.6 wt%. However, its slow hydrogenation and dehydrogenation kinetics and the high temperature of 300 $^\\circ$C required for decomposition are major obstacles to small-scale applications such as automobiles. The local electronic structure of interstitial H in MgH$_2$ is an important fundamental knowledge in solving this problem, which has been studied mainly based on density functional theory (DFT). However, few experimental studies have been performed to assess the results ","authors_text":"A. Koda, H. Okabe, M. Hiraishi, R. Kadono, T. U. Ito","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-10-19T01:44:04Z","title":"Local electronic structure of interstitial hydrogen in MgH$_2$ inferred from muon study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.10242","kind":"arxiv","version":2},"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":"sha256:3409a07dafe63edab58328ed420c29e6bdac3bd87c372cb60fbc9afa3de228e5","target":"record","created_at":"2026-07-05T06:03:25Z","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":"a0a6b710ed1bc9460ee95e5c8acf0b0bda43dabe049c02e7c8a52c4e4fa32047","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-10-19T01:44:04Z","title_canon_sha256":"808a49e1f029d87a6cfd5caeafcdcca0ab25568d70ca87a15ea1fba3a6769ea7"},"schema_version":"1.0","source":{"id":"2210.10242","kind":"arxiv","version":2}},"canonical_sha256":"f601152566a8338d1a04fd358ba30397305d2b45d3101fdcecdf21428e2f4066","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f601152566a8338d1a04fd358ba30397305d2b45d3101fdcecdf21428e2f4066","first_computed_at":"2026-07-05T06:03:25.928890Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:03:25.928890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GBVo1+6AUsrfJ1Y8pZvZAi7ZVhJKkgSGEetB2BKgd8vMLUdufHDYoAa5mrMtwqaXroYp4P3Xpg0XpPAlO16dCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:03:25.929330Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.10242","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3409a07dafe63edab58328ed420c29e6bdac3bd87c372cb60fbc9afa3de228e5","sha256:ddbf21d2b522ad52fb9281f42608add9cfe6a23132a36961aa1c07a8b2a5c0b4"],"state_sha256":"45e8b6097794a40d0c4e441cf969d8654d4a1c3419cb96a902fbcf4514644d20"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/RzHyIfIBkSqwo697/6+ZwMbUutd1FuJu2Zpv1ok2Q96froDOza6Gh1u+854qiIrBvojXHRbotVIeYOV6x3pAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T15:16:01.807162Z","bundle_sha256":"37dd92f767f7cc92028dffbe696597deec64d157f91a84cf09f4338e9bdbb4d9"}}