{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2JK763IYX7CLKPSMPDKQCABRWH","short_pith_number":"pith:2JK763IY","canonical_record":{"source":{"id":"1807.02279","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-06T06:37:56Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"b7a1754b66ec060a0f04d6a042662962804f6d4e4b8c1cd0e3e7dad8c68315ce","abstract_canon_sha256":"e13081cee140b33bdfd929ce7c3c30b6c869193a517fbe86ef0f920fdc6e7b10"},"schema_version":"1.0"},"canonical_sha256":"d255ff6d18bfc4b53e4c78d5010031b1db0abce65743bf048b3d858707b5ef78","source":{"kind":"arxiv","id":"1807.02279","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.02279","created_at":"2026-05-17T23:57:15Z"},{"alias_kind":"arxiv_version","alias_value":"1807.02279v2","created_at":"2026-05-17T23:57:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.02279","created_at":"2026-05-17T23:57:15Z"},{"alias_kind":"pith_short_12","alias_value":"2JK763IYX7CL","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2JK763IYX7CLKPSM","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2JK763IY","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2JK763IYX7CLKPSMPDKQCABRWH","target":"record","payload":{"canonical_record":{"source":{"id":"1807.02279","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-06T06:37:56Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"b7a1754b66ec060a0f04d6a042662962804f6d4e4b8c1cd0e3e7dad8c68315ce","abstract_canon_sha256":"e13081cee140b33bdfd929ce7c3c30b6c869193a517fbe86ef0f920fdc6e7b10"},"schema_version":"1.0"},"canonical_sha256":"d255ff6d18bfc4b53e4c78d5010031b1db0abce65743bf048b3d858707b5ef78","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:15.075924Z","signature_b64":"9RbGZXUVI1oTpf2FmyM7VA99rPv6aHBAh3RjXH4y774xlYjAmfZqvqtqwaG44/6UOgPYofumJdTQ92blhZXvAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d255ff6d18bfc4b53e4c78d5010031b1db0abce65743bf048b3d858707b5ef78","last_reissued_at":"2026-05-17T23:57:15.075426Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:15.075426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.02279","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":"2026-05-17T23:57:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c9txxTiVA6QQjlFPcYsURKLHL9hqeUQhevcpwurCv4bY4cmaaPMZqIhVm+6apk5gPs2VWWg/SZfVK9MOEo1qBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:28:57.623224Z"},"content_sha256":"ae572bd31ffbfa8898f8721c06054514f1fb6e782326e6797e73e5d83a7c086f","schema_version":"1.0","event_id":"sha256:ae572bd31ffbfa8898f8721c06054514f1fb6e782326e6797e73e5d83a7c086f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2JK763IYX7CLKPSMPDKQCABRWH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fabrication of Hollow AlAu2 Nanoparticles by Solid State Dewetting and Oxidation of Al on Sapphire Substrate","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Amit Sharma, Eugen Rabkin, Gunther Richter, Leonid Klinger, Nimrod Gazit","submitted_at":"2018-07-06T06:37:56Z","abstract_excerpt":"The Al-Au binary diffusion couple is a classic example of the system exhibiting Kirkendall voiding during interdiffusion. We demonstrate that this effect, which is a major reason for failures of the wire bonds in microelectronics, can be utilized for producing hollow AlAu2 nanoparticles attached to sapphire substrate. To this end, we produced the core-shell Al-Au nanoparticles by performing a solid state dewetting treatment of Al thin film deposited on sapphire substrate, followed by the deposition of thin Au layer on the top of dewetted sample. Annealing of the core-shell nanoparticles in air"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.02279","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":""},"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":"2026-05-17T23:57:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TwL6QZYxv1G1tdCprlGj4eIfxSoBmStZF2t7+XqUyhTksyY+UbnShWZq2zUn7FCMdqeP9GGOMthvPLOxc3TgCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T14:28:57.623603Z"},"content_sha256":"d7e387f66a04f563c55076e4955a34c63c6ef7a6563cf877d31007d942474ceb","schema_version":"1.0","event_id":"sha256:d7e387f66a04f563c55076e4955a34c63c6ef7a6563cf877d31007d942474ceb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2JK763IYX7CLKPSMPDKQCABRWH/bundle.json","state_url":"https://pith.science/pith/2JK763IYX7CLKPSMPDKQCABRWH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2JK763IYX7CLKPSMPDKQCABRWH/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":"2026-06-03T14:28:57Z","links":{"resolver":"https://pith.science/pith/2JK763IYX7CLKPSMPDKQCABRWH","bundle":"https://pith.science/pith/2JK763IYX7CLKPSMPDKQCABRWH/bundle.json","state":"https://pith.science/pith/2JK763IYX7CLKPSMPDKQCABRWH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2JK763IYX7CLKPSMPDKQCABRWH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2JK763IYX7CLKPSMPDKQCABRWH","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":"e13081cee140b33bdfd929ce7c3c30b6c869193a517fbe86ef0f920fdc6e7b10","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-06T06:37:56Z","title_canon_sha256":"b7a1754b66ec060a0f04d6a042662962804f6d4e4b8c1cd0e3e7dad8c68315ce"},"schema_version":"1.0","source":{"id":"1807.02279","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.02279","created_at":"2026-05-17T23:57:15Z"},{"alias_kind":"arxiv_version","alias_value":"1807.02279v2","created_at":"2026-05-17T23:57:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.02279","created_at":"2026-05-17T23:57:15Z"},{"alias_kind":"pith_short_12","alias_value":"2JK763IYX7CL","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2JK763IYX7CLKPSM","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2JK763IY","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:d7e387f66a04f563c55076e4955a34c63c6ef7a6563cf877d31007d942474ceb","target":"graph","created_at":"2026-05-17T23:57:15Z","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 Al-Au binary diffusion couple is a classic example of the system exhibiting Kirkendall voiding during interdiffusion. We demonstrate that this effect, which is a major reason for failures of the wire bonds in microelectronics, can be utilized for producing hollow AlAu2 nanoparticles attached to sapphire substrate. To this end, we produced the core-shell Al-Au nanoparticles by performing a solid state dewetting treatment of Al thin film deposited on sapphire substrate, followed by the deposition of thin Au layer on the top of dewetted sample. Annealing of the core-shell nanoparticles in air","authors_text":"Amit Sharma, Eugen Rabkin, Gunther Richter, Leonid Klinger, Nimrod Gazit","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-06T06:37:56Z","title":"Fabrication of Hollow AlAu2 Nanoparticles by Solid State Dewetting and Oxidation of Al on Sapphire Substrate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.02279","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:ae572bd31ffbfa8898f8721c06054514f1fb6e782326e6797e73e5d83a7c086f","target":"record","created_at":"2026-05-17T23:57:15Z","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":"e13081cee140b33bdfd929ce7c3c30b6c869193a517fbe86ef0f920fdc6e7b10","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-06T06:37:56Z","title_canon_sha256":"b7a1754b66ec060a0f04d6a042662962804f6d4e4b8c1cd0e3e7dad8c68315ce"},"schema_version":"1.0","source":{"id":"1807.02279","kind":"arxiv","version":2}},"canonical_sha256":"d255ff6d18bfc4b53e4c78d5010031b1db0abce65743bf048b3d858707b5ef78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d255ff6d18bfc4b53e4c78d5010031b1db0abce65743bf048b3d858707b5ef78","first_computed_at":"2026-05-17T23:57:15.075426Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:15.075426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9RbGZXUVI1oTpf2FmyM7VA99rPv6aHBAh3RjXH4y774xlYjAmfZqvqtqwaG44/6UOgPYofumJdTQ92blhZXvAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:15.075924Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.02279","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae572bd31ffbfa8898f8721c06054514f1fb6e782326e6797e73e5d83a7c086f","sha256:d7e387f66a04f563c55076e4955a34c63c6ef7a6563cf877d31007d942474ceb"],"state_sha256":"85cb123a2fdaea579b436e722efc9af229e6f8113f088b6d83e03ac45a274470"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EOQfuKZN6nbN781308HuBWsvkql5NAqKsMo+LdJaLDgZ7ZelFCJZhAUzL40LZkD7CQS39UWQla8ZzWBVwdgTDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T14:28:57.625544Z","bundle_sha256":"e8c74d62162c0257a9b354ca30b8625e805f7842e2fce0113954da53d5973d3e"}}