{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:P5EAAR4ZKHRVBMCKIM5C5QVPLI","short_pith_number":"pith:P5EAAR4Z","canonical_record":{"source":{"id":"1810.01968","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-26T06:47:50Z","cross_cats_sorted":[],"title_canon_sha256":"ef43e5d66b6c0bbeea5fff82ab7e64774acc02ce35c7b1154e5729dc741c8244","abstract_canon_sha256":"f16a1ef0659920de1de158b2240033dc24f64953623885984c2f400fe37f4442"},"schema_version":"1.0"},"canonical_sha256":"7f4800479951e350b04a433a2ec2af5a04a0c9a3fff200d69cb09d5fc5923127","source":{"kind":"arxiv","id":"1810.01968","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.01968","created_at":"2026-05-18T00:04:06Z"},{"alias_kind":"arxiv_version","alias_value":"1810.01968v1","created_at":"2026-05-18T00:04:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.01968","created_at":"2026-05-18T00:04:06Z"},{"alias_kind":"pith_short_12","alias_value":"P5EAAR4ZKHRV","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"P5EAAR4ZKHRVBMCK","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"P5EAAR4Z","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:P5EAAR4ZKHRVBMCKIM5C5QVPLI","target":"record","payload":{"canonical_record":{"source":{"id":"1810.01968","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-26T06:47:50Z","cross_cats_sorted":[],"title_canon_sha256":"ef43e5d66b6c0bbeea5fff82ab7e64774acc02ce35c7b1154e5729dc741c8244","abstract_canon_sha256":"f16a1ef0659920de1de158b2240033dc24f64953623885984c2f400fe37f4442"},"schema_version":"1.0"},"canonical_sha256":"7f4800479951e350b04a433a2ec2af5a04a0c9a3fff200d69cb09d5fc5923127","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:06.740909Z","signature_b64":"+AFOOtgGAYQcI7KpTfIK4SUL4ySbC5XBtY2NTYlS70eWUVrd3rWl2NGW7zClQ8Tfqr3Xt42Ma51I2Nkau9NFBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f4800479951e350b04a433a2ec2af5a04a0c9a3fff200d69cb09d5fc5923127","last_reissued_at":"2026-05-18T00:04:06.740174Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:06.740174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.01968","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":"2026-05-18T00:04:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IpFoS/Iad3MTgInWeeCQhT6VQCe59Q3H98JO4nVSjxxO0rF40cWf0hSdL5JK8XSZptgqbxLPmoKJoZR7gl2BAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:27:30.453840Z"},"content_sha256":"f75e1f36fa7fbfd3d0e4a488a6b88a934206adad94b4a8d75f67d98cb205a792","schema_version":"1.0","event_id":"sha256:f75e1f36fa7fbfd3d0e4a488a6b88a934206adad94b4a8d75f67d98cb205a792"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:P5EAAR4ZKHRVBMCKIM5C5QVPLI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlinear Electronic Stopping for Slow Ion in a Narrow Band Gap Semiconductor: Formation of Chemical Bonds during Collision","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chang-Kai Li, Feng-Shou Zhang, Feng Wang, Qiang Cao, Sheng Liu, Xiao-Ping Ouyang","submitted_at":"2018-09-26T06:47:50Z","abstract_excerpt":"Using time-dependent density-functional theory, we investigate the electronic stopping power of self-irradiated silicon through non-adiabatic dynamics simulations. For specific velocities above 0.6 atom units, electronic stopping shows a generally assumed metallic behavior that is velocity-scaling. While in the lower velocity regime, the slope of electronic stopping power versus velocity changes and the overall magnitude are significantly greater than expectations, leading to a complete vanish of hard threshold. An analysis of the electron localization function allows us to arrive at the follo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.01968","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":"2026-05-18T00:04:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3YnHD8CL33/hRkttavJJhw3VEIzoAYshIyUe8D3ma1uZ6fewAZF2tnzT0DYHhOinSsy9qxVsKWQYxHrRpKlRAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:27:30.454216Z"},"content_sha256":"5d79eece7c2c975a2ac5e0197f3f327e5d804d100885e512f359a6bee769dbaa","schema_version":"1.0","event_id":"sha256:5d79eece7c2c975a2ac5e0197f3f327e5d804d100885e512f359a6bee769dbaa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P5EAAR4ZKHRVBMCKIM5C5QVPLI/bundle.json","state_url":"https://pith.science/pith/P5EAAR4ZKHRVBMCKIM5C5QVPLI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P5EAAR4ZKHRVBMCKIM5C5QVPLI/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":"2026-05-28T09:27:30Z","links":{"resolver":"https://pith.science/pith/P5EAAR4ZKHRVBMCKIM5C5QVPLI","bundle":"https://pith.science/pith/P5EAAR4ZKHRVBMCKIM5C5QVPLI/bundle.json","state":"https://pith.science/pith/P5EAAR4ZKHRVBMCKIM5C5QVPLI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P5EAAR4ZKHRVBMCKIM5C5QVPLI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:P5EAAR4ZKHRVBMCKIM5C5QVPLI","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":"f16a1ef0659920de1de158b2240033dc24f64953623885984c2f400fe37f4442","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-26T06:47:50Z","title_canon_sha256":"ef43e5d66b6c0bbeea5fff82ab7e64774acc02ce35c7b1154e5729dc741c8244"},"schema_version":"1.0","source":{"id":"1810.01968","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.01968","created_at":"2026-05-18T00:04:06Z"},{"alias_kind":"arxiv_version","alias_value":"1810.01968v1","created_at":"2026-05-18T00:04:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.01968","created_at":"2026-05-18T00:04:06Z"},{"alias_kind":"pith_short_12","alias_value":"P5EAAR4ZKHRV","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"P5EAAR4ZKHRVBMCK","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"P5EAAR4Z","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:5d79eece7c2c975a2ac5e0197f3f327e5d804d100885e512f359a6bee769dbaa","target":"graph","created_at":"2026-05-18T00:04:06Z","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":"Using time-dependent density-functional theory, we investigate the electronic stopping power of self-irradiated silicon through non-adiabatic dynamics simulations. For specific velocities above 0.6 atom units, electronic stopping shows a generally assumed metallic behavior that is velocity-scaling. While in the lower velocity regime, the slope of electronic stopping power versus velocity changes and the overall magnitude are significantly greater than expectations, leading to a complete vanish of hard threshold. An analysis of the electron localization function allows us to arrive at the follo","authors_text":"Chang-Kai Li, Feng-Shou Zhang, Feng Wang, Qiang Cao, Sheng Liu, Xiao-Ping Ouyang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-26T06:47:50Z","title":"Nonlinear Electronic Stopping for Slow Ion in a Narrow Band Gap Semiconductor: Formation of Chemical Bonds during Collision"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.01968","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:f75e1f36fa7fbfd3d0e4a488a6b88a934206adad94b4a8d75f67d98cb205a792","target":"record","created_at":"2026-05-18T00:04:06Z","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":"f16a1ef0659920de1de158b2240033dc24f64953623885984c2f400fe37f4442","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-26T06:47:50Z","title_canon_sha256":"ef43e5d66b6c0bbeea5fff82ab7e64774acc02ce35c7b1154e5729dc741c8244"},"schema_version":"1.0","source":{"id":"1810.01968","kind":"arxiv","version":1}},"canonical_sha256":"7f4800479951e350b04a433a2ec2af5a04a0c9a3fff200d69cb09d5fc5923127","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f4800479951e350b04a433a2ec2af5a04a0c9a3fff200d69cb09d5fc5923127","first_computed_at":"2026-05-18T00:04:06.740174Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:06.740174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+AFOOtgGAYQcI7KpTfIK4SUL4ySbC5XBtY2NTYlS70eWUVrd3rWl2NGW7zClQ8Tfqr3Xt42Ma51I2Nkau9NFBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:06.740909Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.01968","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f75e1f36fa7fbfd3d0e4a488a6b88a934206adad94b4a8d75f67d98cb205a792","sha256:5d79eece7c2c975a2ac5e0197f3f327e5d804d100885e512f359a6bee769dbaa"],"state_sha256":"54be96ac1749fbc06e2fe5cd3a066e9218180ff34c2c9677d88dfb80785d3449"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"up/7U6TQrvqZfvhlH9BJSE9iwaUwxB+jqEee2sRmTacowsnYQg98aETHC2qUQUGj/6yyAbVHG8+miHYYgbjXDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T09:27:30.456402Z","bundle_sha256":"9aec62c696ed55cbfbb78a7adf7b776081c4f8a88254fa7c1f06dc17bc5983a8"}}