{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:6EWGCSYAUBBMPQBYPTDCVC2EIY","short_pith_number":"pith:6EWGCSYA","canonical_record":{"source":{"id":"1602.05813","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-02-18T14:23:43Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"3aa1edb28ede1307f8d20e35f41e2f8b1574ccc6ab841f1384a88926a7ce4bd1","abstract_canon_sha256":"3dcc21fe7fac3f01ec8fd77fe922839a539be17be221a7c4c7403294c73f8c7d"},"schema_version":"1.0"},"canonical_sha256":"f12c614b00a042c7c0387cc62a8b444635efd5fe7d8353d94383fd89a89f647a","source":{"kind":"arxiv","id":"1602.05813","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.05813","created_at":"2026-05-18T01:20:23Z"},{"alias_kind":"arxiv_version","alias_value":"1602.05813v1","created_at":"2026-05-18T01:20:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.05813","created_at":"2026-05-18T01:20:23Z"},{"alias_kind":"pith_short_12","alias_value":"6EWGCSYAUBBM","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"6EWGCSYAUBBMPQBY","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"6EWGCSYA","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:6EWGCSYAUBBMPQBYPTDCVC2EIY","target":"record","payload":{"canonical_record":{"source":{"id":"1602.05813","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-02-18T14:23:43Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"3aa1edb28ede1307f8d20e35f41e2f8b1574ccc6ab841f1384a88926a7ce4bd1","abstract_canon_sha256":"3dcc21fe7fac3f01ec8fd77fe922839a539be17be221a7c4c7403294c73f8c7d"},"schema_version":"1.0"},"canonical_sha256":"f12c614b00a042c7c0387cc62a8b444635efd5fe7d8353d94383fd89a89f647a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:23.153189Z","signature_b64":"jd+4vWNLUm6FaSUq3UCs5Wu1qE8H7jG4Hj6oQ7uXm+pkBr45hHovoUWtk+kUrM6h7giUGjmvovms/u7QyWOiBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f12c614b00a042c7c0387cc62a8b444635efd5fe7d8353d94383fd89a89f647a","last_reissued_at":"2026-05-18T01:20:23.152401Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:23.152401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.05813","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":"2026-05-18T01:20:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e6TAKf5ZhngJOjsSEsS/DTEcnPTc6vnuv937r9o9CXS6Zi11c32Bnc+qo910hFxukfGRd7Ed2xTX+pEuI/BzCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T02:28:03.832336Z"},"content_sha256":"f54b5ebb55c2dfbd6d9d72d300fb5095e734ce639b400b6317579f5141e97504","schema_version":"1.0","event_id":"sha256:f54b5ebb55c2dfbd6d9d72d300fb5095e734ce639b400b6317579f5141e97504"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:6EWGCSYAUBBMPQBYPTDCVC2EIY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Uniting Superhydrophobic, Superoleophobic and Lubricating Fluid Infused Slippery Behavior on Copper Oxide Nano-structured Substrates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.soft","authors_text":"Krishnacharya Khare, Pritam Kumar Roy, Sanjeev Kumar Ujjain, Subhash Singha, Sumana Kumar","submitted_at":"2016-02-18T14:23:43Z","abstract_excerpt":"Copper oxide nanostructures with spherical (0D), needle (1D) and hierarchical cauliflower (3D) morphologies are used to demonstrate superhydrophobic, superoleophobic and slippery behavior. These nanostructures are synthesized on galvanized steel substrates using a simple chemical bath deposition method by tuning precursor concentration. Subsequent coating of low surface energy polymer, polydimethylsiloxane, results in superhydrophobicity with water contact angle ~160(2){\\deg} and critical sliding angle ~2{\\deg}. When functionalized with low-surface energy perfluoroalkyl silane, these surfaces "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.05813","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":"2026-05-18T01:20:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P9JogM1bi0fJTpalvc25bdVzTS+RlBbzGun6wTXXmCIIvWGAm7KxW1bckP6V7sAnrAqCa86/spGQjEg2b7urCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T02:28:03.832991Z"},"content_sha256":"5217720d46d591816aa9813fd7d03509998f234102c67799f99c0ca452195bf3","schema_version":"1.0","event_id":"sha256:5217720d46d591816aa9813fd7d03509998f234102c67799f99c0ca452195bf3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6EWGCSYAUBBMPQBYPTDCVC2EIY/bundle.json","state_url":"https://pith.science/pith/6EWGCSYAUBBMPQBYPTDCVC2EIY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6EWGCSYAUBBMPQBYPTDCVC2EIY/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":"2026-06-06T02:28:03Z","links":{"resolver":"https://pith.science/pith/6EWGCSYAUBBMPQBYPTDCVC2EIY","bundle":"https://pith.science/pith/6EWGCSYAUBBMPQBYPTDCVC2EIY/bundle.json","state":"https://pith.science/pith/6EWGCSYAUBBMPQBYPTDCVC2EIY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6EWGCSYAUBBMPQBYPTDCVC2EIY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:6EWGCSYAUBBMPQBYPTDCVC2EIY","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":"3dcc21fe7fac3f01ec8fd77fe922839a539be17be221a7c4c7403294c73f8c7d","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-02-18T14:23:43Z","title_canon_sha256":"3aa1edb28ede1307f8d20e35f41e2f8b1574ccc6ab841f1384a88926a7ce4bd1"},"schema_version":"1.0","source":{"id":"1602.05813","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.05813","created_at":"2026-05-18T01:20:23Z"},{"alias_kind":"arxiv_version","alias_value":"1602.05813v1","created_at":"2026-05-18T01:20:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.05813","created_at":"2026-05-18T01:20:23Z"},{"alias_kind":"pith_short_12","alias_value":"6EWGCSYAUBBM","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"6EWGCSYAUBBMPQBY","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"6EWGCSYA","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:5217720d46d591816aa9813fd7d03509998f234102c67799f99c0ca452195bf3","target":"graph","created_at":"2026-05-18T01:20:23Z","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":"Copper oxide nanostructures with spherical (0D), needle (1D) and hierarchical cauliflower (3D) morphologies are used to demonstrate superhydrophobic, superoleophobic and slippery behavior. These nanostructures are synthesized on galvanized steel substrates using a simple chemical bath deposition method by tuning precursor concentration. Subsequent coating of low surface energy polymer, polydimethylsiloxane, results in superhydrophobicity with water contact angle ~160(2){\\deg} and critical sliding angle ~2{\\deg}. When functionalized with low-surface energy perfluoroalkyl silane, these surfaces ","authors_text":"Krishnacharya Khare, Pritam Kumar Roy, Sanjeev Kumar Ujjain, Subhash Singha, Sumana Kumar","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-02-18T14:23:43Z","title":"Uniting Superhydrophobic, Superoleophobic and Lubricating Fluid Infused Slippery Behavior on Copper Oxide Nano-structured Substrates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.05813","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:f54b5ebb55c2dfbd6d9d72d300fb5095e734ce639b400b6317579f5141e97504","target":"record","created_at":"2026-05-18T01:20:23Z","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":"3dcc21fe7fac3f01ec8fd77fe922839a539be17be221a7c4c7403294c73f8c7d","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-02-18T14:23:43Z","title_canon_sha256":"3aa1edb28ede1307f8d20e35f41e2f8b1574ccc6ab841f1384a88926a7ce4bd1"},"schema_version":"1.0","source":{"id":"1602.05813","kind":"arxiv","version":1}},"canonical_sha256":"f12c614b00a042c7c0387cc62a8b444635efd5fe7d8353d94383fd89a89f647a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f12c614b00a042c7c0387cc62a8b444635efd5fe7d8353d94383fd89a89f647a","first_computed_at":"2026-05-18T01:20:23.152401Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:23.152401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jd+4vWNLUm6FaSUq3UCs5Wu1qE8H7jG4Hj6oQ7uXm+pkBr45hHovoUWtk+kUrM6h7giUGjmvovms/u7QyWOiBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:23.153189Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.05813","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f54b5ebb55c2dfbd6d9d72d300fb5095e734ce639b400b6317579f5141e97504","sha256:5217720d46d591816aa9813fd7d03509998f234102c67799f99c0ca452195bf3"],"state_sha256":"f1e8072533192936930d54ca640c12e9789ce627d4d273d6f5667b737f4050ee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QGE7CqaTPnZ35VC2nvsd33mPfWt3IHHlnDXRY6m0v/LGFsqgAmGZ9+bggDkwDHBU0FWpqc8l2WjTGKVF58qVCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T02:28:03.836348Z","bundle_sha256":"a3904a791bb9a31b685beeb4ea32705017e3c55be59a2968fc467f1eb0e3df1b"}}