{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:BD2ZB6KFDKIEILVH2H7ELS3O73","short_pith_number":"pith:BD2ZB6KF","canonical_record":{"source":{"id":"1311.1428","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-06T15:56:12Z","cross_cats_sorted":[],"title_canon_sha256":"9e3bb721d235b5965bb3e46baf40feb3dc75d05a6c121ed3b8a75752b2e28190","abstract_canon_sha256":"62e1b9410bce48f1d76107d98f1a8305dc48e470235b585c6ee47821cd04741a"},"schema_version":"1.0"},"canonical_sha256":"08f590f9451a90442ea7d1fe45cb6efeeae65bed61313193554711aef8ab18ce","source":{"kind":"arxiv","id":"1311.1428","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.1428","created_at":"2026-05-18T03:07:53Z"},{"alias_kind":"arxiv_version","alias_value":"1311.1428v1","created_at":"2026-05-18T03:07:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1428","created_at":"2026-05-18T03:07:53Z"},{"alias_kind":"pith_short_12","alias_value":"BD2ZB6KFDKIE","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"BD2ZB6KFDKIEILVH","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"BD2ZB6KF","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:BD2ZB6KFDKIEILVH2H7ELS3O73","target":"record","payload":{"canonical_record":{"source":{"id":"1311.1428","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-06T15:56:12Z","cross_cats_sorted":[],"title_canon_sha256":"9e3bb721d235b5965bb3e46baf40feb3dc75d05a6c121ed3b8a75752b2e28190","abstract_canon_sha256":"62e1b9410bce48f1d76107d98f1a8305dc48e470235b585c6ee47821cd04741a"},"schema_version":"1.0"},"canonical_sha256":"08f590f9451a90442ea7d1fe45cb6efeeae65bed61313193554711aef8ab18ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:07:53.362154Z","signature_b64":"kR402aUeOr+ajfCp+PFrOCi3Bh0m0puXiabSGY4/XbO1HnHGHcGf1m/rnkbSBqp4GgXDkq+mc+os6oRIlQeICA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08f590f9451a90442ea7d1fe45cb6efeeae65bed61313193554711aef8ab18ce","last_reissued_at":"2026-05-18T03:07:53.361404Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:07:53.361404Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.1428","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":"2026-05-18T03:07:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PjxXay90dXZhupdNJ0TvtrFAlTqle9T8nbtiklIjZ5e0xc1jhWgYwtlmbVesUE/wCcelmsYzM7020yHQBTKCAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:35:02.516038Z"},"content_sha256":"0db8be3960bcd88eb4d79e36fec621d7ad165c67c57b24c0f150ab049dea1bff","schema_version":"1.0","event_id":"sha256:0db8be3960bcd88eb4d79e36fec621d7ad165c67c57b24c0f150ab049dea1bff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:BD2ZB6KFDKIEILVH2H7ELS3O73","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic energy loss processes for slow H and He ions in metals and insulators: new insights","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Dietmar Roth, Dominik Goebl, Peter Bauer","submitted_at":"2013-11-06T15:56:12Z","abstract_excerpt":"Electronic stopping of H and He ions in metals and insulators is analyzed at velocities below 0.2 atomic units, i.e. below 1 keV for H and below 4 keV for He. In metals, stopping of H ions is affected by d-electrons only when the d-band extends up to the Fermi energy; for He ions, also d-bands well below the Fermi energy contribute significantly to electronic stopping. In insulators, the low threshold velocity for electronic stopping cannot be explained by electron-hole pair excitation; charge exchange cycles, however, may govern the threshold behavior of electronic stopping in ionic crystals."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1428","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":"2026-05-18T03:07:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NS7VhPuVwvpRMDSwzMkBtZDdBSyZAfw5Wc99l5nA1VAJn8VHz0wBx3OwhUpWSsZqG6dPEhSSXBjvpG7reHSxCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:35:02.516404Z"},"content_sha256":"f5f0093b2f89e75d35de0de01700b67c024835a9e752101d22be26e639444e7d","schema_version":"1.0","event_id":"sha256:f5f0093b2f89e75d35de0de01700b67c024835a9e752101d22be26e639444e7d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BD2ZB6KFDKIEILVH2H7ELS3O73/bundle.json","state_url":"https://pith.science/pith/BD2ZB6KFDKIEILVH2H7ELS3O73/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BD2ZB6KFDKIEILVH2H7ELS3O73/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":"2026-05-30T23:35:02Z","links":{"resolver":"https://pith.science/pith/BD2ZB6KFDKIEILVH2H7ELS3O73","bundle":"https://pith.science/pith/BD2ZB6KFDKIEILVH2H7ELS3O73/bundle.json","state":"https://pith.science/pith/BD2ZB6KFDKIEILVH2H7ELS3O73/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BD2ZB6KFDKIEILVH2H7ELS3O73/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:BD2ZB6KFDKIEILVH2H7ELS3O73","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":"62e1b9410bce48f1d76107d98f1a8305dc48e470235b585c6ee47821cd04741a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-06T15:56:12Z","title_canon_sha256":"9e3bb721d235b5965bb3e46baf40feb3dc75d05a6c121ed3b8a75752b2e28190"},"schema_version":"1.0","source":{"id":"1311.1428","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.1428","created_at":"2026-05-18T03:07:53Z"},{"alias_kind":"arxiv_version","alias_value":"1311.1428v1","created_at":"2026-05-18T03:07:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1428","created_at":"2026-05-18T03:07:53Z"},{"alias_kind":"pith_short_12","alias_value":"BD2ZB6KFDKIE","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"BD2ZB6KFDKIEILVH","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"BD2ZB6KF","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:f5f0093b2f89e75d35de0de01700b67c024835a9e752101d22be26e639444e7d","target":"graph","created_at":"2026-05-18T03:07:53Z","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":"Electronic stopping of H and He ions in metals and insulators is analyzed at velocities below 0.2 atomic units, i.e. below 1 keV for H and below 4 keV for He. In metals, stopping of H ions is affected by d-electrons only when the d-band extends up to the Fermi energy; for He ions, also d-bands well below the Fermi energy contribute significantly to electronic stopping. In insulators, the low threshold velocity for electronic stopping cannot be explained by electron-hole pair excitation; charge exchange cycles, however, may govern the threshold behavior of electronic stopping in ionic crystals.","authors_text":"Dietmar Roth, Dominik Goebl, Peter Bauer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-06T15:56:12Z","title":"Electronic energy loss processes for slow H and He ions in metals and insulators: new insights"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1428","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":"sha256:0db8be3960bcd88eb4d79e36fec621d7ad165c67c57b24c0f150ab049dea1bff","target":"record","created_at":"2026-05-18T03:07:53Z","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":"62e1b9410bce48f1d76107d98f1a8305dc48e470235b585c6ee47821cd04741a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-06T15:56:12Z","title_canon_sha256":"9e3bb721d235b5965bb3e46baf40feb3dc75d05a6c121ed3b8a75752b2e28190"},"schema_version":"1.0","source":{"id":"1311.1428","kind":"arxiv","version":1}},"canonical_sha256":"08f590f9451a90442ea7d1fe45cb6efeeae65bed61313193554711aef8ab18ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08f590f9451a90442ea7d1fe45cb6efeeae65bed61313193554711aef8ab18ce","first_computed_at":"2026-05-18T03:07:53.361404Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:07:53.361404Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kR402aUeOr+ajfCp+PFrOCi3Bh0m0puXiabSGY4/XbO1HnHGHcGf1m/rnkbSBqp4GgXDkq+mc+os6oRIlQeICA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:07:53.362154Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.1428","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0db8be3960bcd88eb4d79e36fec621d7ad165c67c57b24c0f150ab049dea1bff","sha256:f5f0093b2f89e75d35de0de01700b67c024835a9e752101d22be26e639444e7d"],"state_sha256":"66d98cd1b5831ae0493fa5cda233eb1d30e5c9fca1877207bc38271b6b3396a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jiR6F3IjN5qt4EX4XlKhGTy5eQKC46rfb6hTCjaO9y8e6I2L8UTvk1p4Csj96FNrWdolVa8nD5k19rF5wlskBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T23:35:02.518313Z","bundle_sha256":"ca42af8555ae00d6fc1cc12e9c31b3eceef46ec4a7eda6f531a9847ae93bcbce"}}