{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:WXVQ4WLO2RJHA4Q3BYHZJ3ATQL","short_pith_number":"pith:WXVQ4WLO","canonical_record":{"source":{"id":"1205.1728","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-05-08T15:32:29Z","cross_cats_sorted":[],"title_canon_sha256":"b79c1ed9b78516614959ee14776667adb5e5223cbbac00436d0cfbdd5e3ce1c2","abstract_canon_sha256":"ab353cdd2f147591a75a242c76ec94a43c1250768c1ac8540ed58d835097a621"},"schema_version":"1.0"},"canonical_sha256":"b5eb0e596ed45270721b0e0f94ec1382f73a3ae008bc8a4ac2151198c1a1bbff","source":{"kind":"arxiv","id":"1205.1728","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.1728","created_at":"2026-05-18T03:52:41Z"},{"alias_kind":"arxiv_version","alias_value":"1205.1728v1","created_at":"2026-05-18T03:52:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.1728","created_at":"2026-05-18T03:52:41Z"},{"alias_kind":"pith_short_12","alias_value":"WXVQ4WLO2RJH","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"WXVQ4WLO2RJHA4Q3","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"WXVQ4WLO","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:WXVQ4WLO2RJHA4Q3BYHZJ3ATQL","target":"record","payload":{"canonical_record":{"source":{"id":"1205.1728","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-05-08T15:32:29Z","cross_cats_sorted":[],"title_canon_sha256":"b79c1ed9b78516614959ee14776667adb5e5223cbbac00436d0cfbdd5e3ce1c2","abstract_canon_sha256":"ab353cdd2f147591a75a242c76ec94a43c1250768c1ac8540ed58d835097a621"},"schema_version":"1.0"},"canonical_sha256":"b5eb0e596ed45270721b0e0f94ec1382f73a3ae008bc8a4ac2151198c1a1bbff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:52:41.257383Z","signature_b64":"AIzTj7bPLRZdJUmfDKiEX7A3Yo3w89t/lnj9PQ/6JehlbZmkKgE3r7Lq/Enmb8q2PlViMvb836LbEylhyC5sDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5eb0e596ed45270721b0e0f94ec1382f73a3ae008bc8a4ac2151198c1a1bbff","last_reissued_at":"2026-05-18T03:52:41.256554Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:52:41.256554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.1728","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":"2026-05-18T03:52:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pFPRiG3HItC+CfvL2G+AViOnsD7PMCLdEd2l8VeZKkjva/j4pTbcZdXaOJDOT4tBZz+kmPFdgO9mnMeBFe7ZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T09:52:18.633526Z"},"content_sha256":"47148e3d23105f3c7685429856c141ed012129e0938dcdf7af89c08acd7d7ec3","schema_version":"1.0","event_id":"sha256:47148e3d23105f3c7685429856c141ed012129e0938dcdf7af89c08acd7d7ec3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:WXVQ4WLO2RJHA4Q3BYHZJ3ATQL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic stopping power in gold: The role of d electrons and the H/He anomaly","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Arnau, D. Sanchez-Portal, Emilio Artacho, J. I. Juaristi, J. Kohanoff, M. Ahsan Zeb","submitted_at":"2012-05-08T15:32:29Z","abstract_excerpt":"The electronic stopping power of H and He moving through gold is obtained to high accuracy using time-evolving density-functional theory, thereby bringing usual first-principles accuracies into this kind of strongly coupled, continuum non-adiabatic processes in condensed matter. The two key unexplained features of what observed experimentally have been reproduced and understood: (i) The non-linear behaviour of stopping power versus velocity is a gradual crossover as excitations tail into the d-electron spectrum; and (ii) the low-velocity H/He anomaly (the relative stopping powers are contrary "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.1728","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":"2026-05-18T03:52:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p4C5rdVI8M+QJFGiIszI6RYtf2jSI+S/Nd+/ds4dA8tgbcAKSiI/2Gq6X81gu5YcVBb+NU49NF4uXu4Vp9fqCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T09:52:18.634133Z"},"content_sha256":"8e82a42a0be166dfade0e564e04fb7206d8088be81d664401271e2a396aed7c7","schema_version":"1.0","event_id":"sha256:8e82a42a0be166dfade0e564e04fb7206d8088be81d664401271e2a396aed7c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WXVQ4WLO2RJHA4Q3BYHZJ3ATQL/bundle.json","state_url":"https://pith.science/pith/WXVQ4WLO2RJHA4Q3BYHZJ3ATQL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WXVQ4WLO2RJHA4Q3BYHZJ3ATQL/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":"2026-05-24T09:52:18Z","links":{"resolver":"https://pith.science/pith/WXVQ4WLO2RJHA4Q3BYHZJ3ATQL","bundle":"https://pith.science/pith/WXVQ4WLO2RJHA4Q3BYHZJ3ATQL/bundle.json","state":"https://pith.science/pith/WXVQ4WLO2RJHA4Q3BYHZJ3ATQL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WXVQ4WLO2RJHA4Q3BYHZJ3ATQL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:WXVQ4WLO2RJHA4Q3BYHZJ3ATQL","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":"ab353cdd2f147591a75a242c76ec94a43c1250768c1ac8540ed58d835097a621","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-05-08T15:32:29Z","title_canon_sha256":"b79c1ed9b78516614959ee14776667adb5e5223cbbac00436d0cfbdd5e3ce1c2"},"schema_version":"1.0","source":{"id":"1205.1728","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.1728","created_at":"2026-05-18T03:52:41Z"},{"alias_kind":"arxiv_version","alias_value":"1205.1728v1","created_at":"2026-05-18T03:52:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.1728","created_at":"2026-05-18T03:52:41Z"},{"alias_kind":"pith_short_12","alias_value":"WXVQ4WLO2RJH","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"WXVQ4WLO2RJHA4Q3","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"WXVQ4WLO","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:8e82a42a0be166dfade0e564e04fb7206d8088be81d664401271e2a396aed7c7","target":"graph","created_at":"2026-05-18T03:52:41Z","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":"The electronic stopping power of H and He moving through gold is obtained to high accuracy using time-evolving density-functional theory, thereby bringing usual first-principles accuracies into this kind of strongly coupled, continuum non-adiabatic processes in condensed matter. The two key unexplained features of what observed experimentally have been reproduced and understood: (i) The non-linear behaviour of stopping power versus velocity is a gradual crossover as excitations tail into the d-electron spectrum; and (ii) the low-velocity H/He anomaly (the relative stopping powers are contrary ","authors_text":"A. Arnau, D. Sanchez-Portal, Emilio Artacho, J. I. Juaristi, J. Kohanoff, M. Ahsan Zeb","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-05-08T15:32:29Z","title":"Electronic stopping power in gold: The role of d electrons and the H/He anomaly"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.1728","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":"sha256:47148e3d23105f3c7685429856c141ed012129e0938dcdf7af89c08acd7d7ec3","target":"record","created_at":"2026-05-18T03:52:41Z","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":"ab353cdd2f147591a75a242c76ec94a43c1250768c1ac8540ed58d835097a621","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-05-08T15:32:29Z","title_canon_sha256":"b79c1ed9b78516614959ee14776667adb5e5223cbbac00436d0cfbdd5e3ce1c2"},"schema_version":"1.0","source":{"id":"1205.1728","kind":"arxiv","version":1}},"canonical_sha256":"b5eb0e596ed45270721b0e0f94ec1382f73a3ae008bc8a4ac2151198c1a1bbff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5eb0e596ed45270721b0e0f94ec1382f73a3ae008bc8a4ac2151198c1a1bbff","first_computed_at":"2026-05-18T03:52:41.256554Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:52:41.256554Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AIzTj7bPLRZdJUmfDKiEX7A3Yo3w89t/lnj9PQ/6JehlbZmkKgE3r7Lq/Enmb8q2PlViMvb836LbEylhyC5sDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:52:41.257383Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.1728","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47148e3d23105f3c7685429856c141ed012129e0938dcdf7af89c08acd7d7ec3","sha256:8e82a42a0be166dfade0e564e04fb7206d8088be81d664401271e2a396aed7c7"],"state_sha256":"4274ddbcdd5beefd192bbf545ba2e5857e2c4d105160011bb62d0c5696f24c38"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Q1hxHHO2DS0HxNbp/skk6m2kQ1iIRJy6UWENoyAXTVG6qVJ9EH0z81grCBW32rXYxlEcnAip1W9/OuNkMaPDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T09:52:18.637937Z","bundle_sha256":"0d4504c5ca3844fd66605fc3b02f84331f5ecf6ca1c59a9fd213c638d0f28910"}}