{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:IA4WG7UTDNPFGY2A5PWFNDISJB","short_pith_number":"pith:IA4WG7UT","schema_version":"1.0","canonical_sha256":"4039637e931b5e536340ebec568d1248728e110c647614de6ccc48abe637af75","source":{"kind":"arxiv","id":"1809.04909","version":2},"attestation_state":"computed","paper":{"title":"Dendritic Oxide Growth in Zero-Valent Iron Nanofilms Revealed by Atom Probe Tomography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Dieter Isheim, Franz M. Geiger, Mavis D. Boamah","submitted_at":"2018-09-13T12:23:00Z","abstract_excerpt":"Atom probe tomography (APT) analysis of chemically pure nanofilms of zero-valent iron (Fe(0), or ZVI) and their thermal oxide nano-overlayers reveals the presence of dendritic iron oxide features that extend from the oxide nano-overlayer surface into the ZVI bulk. The dendrites are observed by APT to be in the 5 nm x 10 nm size range and form quickly under natural atmospheric conditions. Their growth into the ZVI lalyer is, within the limit of our three-month long study, self-limiting (i.e. their initial growth appears to quickly discontinue). The atomistic views presented here shed first ligh"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1809.04909","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-13T12:23:00Z","cross_cats_sorted":[],"title_canon_sha256":"82779bba659b3f524d4d85fbaaafa1a8810bc7da07508633298825db4b0f3a4d","abstract_canon_sha256":"87ccf4e99f7a0bed7fc3d5699a3f43d20e380870c067cb258114cc5337be8fed"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:57.659495Z","signature_b64":"4hPwUDwMRt5LNT8DxSSlObn3jjG6mYrT3WS/B/hNIcbIeU5p3n2J+LLJ2QshJeBvm8swutwvf2RhKWYsjHBZAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4039637e931b5e536340ebec568d1248728e110c647614de6ccc48abe637af75","last_reissued_at":"2026-05-17T23:59:57.658802Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:57.658802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dendritic Oxide Growth in Zero-Valent Iron Nanofilms Revealed by Atom Probe Tomography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Dieter Isheim, Franz M. Geiger, Mavis D. Boamah","submitted_at":"2018-09-13T12:23:00Z","abstract_excerpt":"Atom probe tomography (APT) analysis of chemically pure nanofilms of zero-valent iron (Fe(0), or ZVI) and their thermal oxide nano-overlayers reveals the presence of dendritic iron oxide features that extend from the oxide nano-overlayer surface into the ZVI bulk. The dendrites are observed by APT to be in the 5 nm x 10 nm size range and form quickly under natural atmospheric conditions. Their growth into the ZVI lalyer is, within the limit of our three-month long study, self-limiting (i.e. their initial growth appears to quickly discontinue). The atomistic views presented here shed first ligh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04909","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1809.04909","created_at":"2026-05-17T23:59:57.658915+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.04909v2","created_at":"2026-05-17T23:59:57.658915+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04909","created_at":"2026-05-17T23:59:57.658915+00:00"},{"alias_kind":"pith_short_12","alias_value":"IA4WG7UTDNPF","created_at":"2026-05-18T12:32:28.185984+00:00"},{"alias_kind":"pith_short_16","alias_value":"IA4WG7UTDNPFGY2A","created_at":"2026-05-18T12:32:28.185984+00:00"},{"alias_kind":"pith_short_8","alias_value":"IA4WG7UT","created_at":"2026-05-18T12:32:28.185984+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IA4WG7UTDNPFGY2A5PWFNDISJB","json":"https://pith.science/pith/IA4WG7UTDNPFGY2A5PWFNDISJB.json","graph_json":"https://pith.science/api/pith-number/IA4WG7UTDNPFGY2A5PWFNDISJB/graph.json","events_json":"https://pith.science/api/pith-number/IA4WG7UTDNPFGY2A5PWFNDISJB/events.json","paper":"https://pith.science/paper/IA4WG7UT"},"agent_actions":{"view_html":"https://pith.science/pith/IA4WG7UTDNPFGY2A5PWFNDISJB","download_json":"https://pith.science/pith/IA4WG7UTDNPFGY2A5PWFNDISJB.json","view_paper":"https://pith.science/paper/IA4WG7UT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.04909&json=true","fetch_graph":"https://pith.science/api/pith-number/IA4WG7UTDNPFGY2A5PWFNDISJB/graph.json","fetch_events":"https://pith.science/api/pith-number/IA4WG7UTDNPFGY2A5PWFNDISJB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IA4WG7UTDNPFGY2A5PWFNDISJB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IA4WG7UTDNPFGY2A5PWFNDISJB/action/storage_attestation","attest_author":"https://pith.science/pith/IA4WG7UTDNPFGY2A5PWFNDISJB/action/author_attestation","sign_citation":"https://pith.science/pith/IA4WG7UTDNPFGY2A5PWFNDISJB/action/citation_signature","submit_replication":"https://pith.science/pith/IA4WG7UTDNPFGY2A5PWFNDISJB/action/replication_record"}},"created_at":"2026-05-17T23:59:57.658915+00:00","updated_at":"2026-05-17T23:59:57.658915+00:00"}