{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:XWM662P3YSB5FD7NG7HS3QEEZV","short_pith_number":"pith:XWM662P3","canonical_record":{"source":{"id":"1506.08236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-06-26T23:39:55Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"8365bf6e1fd331c702ad3ac7fa48b38b7428310d0653a916bbca77f6b8d7ed97","abstract_canon_sha256":"1db337d1b0258ad3b74ee8662f6c8ef74e889919705b68a28c030fd4c3eebcc6"},"schema_version":"1.0"},"canonical_sha256":"bd99ef69fbc483d28fed37cf2dc084cd4f8a0b732b8221319337a91e94e7cd6b","source":{"kind":"arxiv","id":"1506.08236","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.08236","created_at":"2026-05-18T01:37:46Z"},{"alias_kind":"arxiv_version","alias_value":"1506.08236v1","created_at":"2026-05-18T01:37:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.08236","created_at":"2026-05-18T01:37:46Z"},{"alias_kind":"pith_short_12","alias_value":"XWM662P3YSB5","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"XWM662P3YSB5FD7N","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"XWM662P3","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:XWM662P3YSB5FD7NG7HS3QEEZV","target":"record","payload":{"canonical_record":{"source":{"id":"1506.08236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-06-26T23:39:55Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"8365bf6e1fd331c702ad3ac7fa48b38b7428310d0653a916bbca77f6b8d7ed97","abstract_canon_sha256":"1db337d1b0258ad3b74ee8662f6c8ef74e889919705b68a28c030fd4c3eebcc6"},"schema_version":"1.0"},"canonical_sha256":"bd99ef69fbc483d28fed37cf2dc084cd4f8a0b732b8221319337a91e94e7cd6b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:46.975710Z","signature_b64":"z12MMCMEGxwr3I4izBgHnYuDBf9gYh7YBJiBmvFM+Z0BsCGh4Axre6Yajb5/nYNOvpKAqxbjXiF9V/Gx43BiBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd99ef69fbc483d28fed37cf2dc084cd4f8a0b732b8221319337a91e94e7cd6b","last_reissued_at":"2026-05-18T01:37:46.975288Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:46.975288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.08236","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":"2026-05-18T01:37:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LaRH3yrjTUtKefipyXc/t49TvPZdknk+5aUNASyphjm7Q/p89PEBou4yrr+ci+F3X/HOLX8F7g+gnZq/n6FFBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:38:02.301592Z"},"content_sha256":"b8fb39cdf3392fc623f61fe625468fddda4b1b0bb9199ac12fa8600f401b90df","schema_version":"1.0","event_id":"sha256:b8fb39cdf3392fc623f61fe625468fddda4b1b0bb9199ac12fa8600f401b90df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:XWM662P3YSB5FD7NG7HS3QEEZV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wetting Transitions of Condensed Droplets on Superhydrophobic Surfaces with Two-Tier Roughness","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"Cunjing Lv, Feng He, Pengfei Hao, Xiwen Zhang","submitted_at":"2015-06-26T23:39:55Z","abstract_excerpt":"Although realizing wetting transitions of droplets spontaneously on solid rough surfaces is quite challenging, it is becoming a key research topic in many practical applications which require highly efficient removal of liquid. We report wetting transitions of condensed droplets occurring spontaneously on pillared surfaces with two-tier roughness owing to excellent superhydrophobicity. The phenomenon results from further decreased Laplace pressure on the top side of the individual droplet when its size becomes comparable to the scale of the micropillars, which leads to a surprising robust spon"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.08236","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":"2026-05-18T01:37:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mwYbnqhU2PlZXs07C+FjYygB0v91vfELfGfL5k1xPPzgEYc8EdZexG7sgDNSzouD3UL/T27CBGlADmBC3nhPDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:38:02.301940Z"},"content_sha256":"a58718147a0601f3e3b59f87c11fe0fc90a601ca498fd0f50ce253a8782ec83f","schema_version":"1.0","event_id":"sha256:a58718147a0601f3e3b59f87c11fe0fc90a601ca498fd0f50ce253a8782ec83f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XWM662P3YSB5FD7NG7HS3QEEZV/bundle.json","state_url":"https://pith.science/pith/XWM662P3YSB5FD7NG7HS3QEEZV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XWM662P3YSB5FD7NG7HS3QEEZV/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":"2026-06-01T03:38:02Z","links":{"resolver":"https://pith.science/pith/XWM662P3YSB5FD7NG7HS3QEEZV","bundle":"https://pith.science/pith/XWM662P3YSB5FD7NG7HS3QEEZV/bundle.json","state":"https://pith.science/pith/XWM662P3YSB5FD7NG7HS3QEEZV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XWM662P3YSB5FD7NG7HS3QEEZV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:XWM662P3YSB5FD7NG7HS3QEEZV","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":"1db337d1b0258ad3b74ee8662f6c8ef74e889919705b68a28c030fd4c3eebcc6","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-06-26T23:39:55Z","title_canon_sha256":"8365bf6e1fd331c702ad3ac7fa48b38b7428310d0653a916bbca77f6b8d7ed97"},"schema_version":"1.0","source":{"id":"1506.08236","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.08236","created_at":"2026-05-18T01:37:46Z"},{"alias_kind":"arxiv_version","alias_value":"1506.08236v1","created_at":"2026-05-18T01:37:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.08236","created_at":"2026-05-18T01:37:46Z"},{"alias_kind":"pith_short_12","alias_value":"XWM662P3YSB5","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"XWM662P3YSB5FD7N","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"XWM662P3","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:a58718147a0601f3e3b59f87c11fe0fc90a601ca498fd0f50ce253a8782ec83f","target":"graph","created_at":"2026-05-18T01:37:46Z","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":"Although realizing wetting transitions of droplets spontaneously on solid rough surfaces is quite challenging, it is becoming a key research topic in many practical applications which require highly efficient removal of liquid. We report wetting transitions of condensed droplets occurring spontaneously on pillared surfaces with two-tier roughness owing to excellent superhydrophobicity. The phenomenon results from further decreased Laplace pressure on the top side of the individual droplet when its size becomes comparable to the scale of the micropillars, which leads to a surprising robust spon","authors_text":"Cunjing Lv, Feng He, Pengfei Hao, Xiwen Zhang","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-06-26T23:39:55Z","title":"Wetting Transitions of Condensed Droplets on Superhydrophobic Surfaces with Two-Tier Roughness"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.08236","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:b8fb39cdf3392fc623f61fe625468fddda4b1b0bb9199ac12fa8600f401b90df","target":"record","created_at":"2026-05-18T01:37:46Z","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":"1db337d1b0258ad3b74ee8662f6c8ef74e889919705b68a28c030fd4c3eebcc6","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-06-26T23:39:55Z","title_canon_sha256":"8365bf6e1fd331c702ad3ac7fa48b38b7428310d0653a916bbca77f6b8d7ed97"},"schema_version":"1.0","source":{"id":"1506.08236","kind":"arxiv","version":1}},"canonical_sha256":"bd99ef69fbc483d28fed37cf2dc084cd4f8a0b732b8221319337a91e94e7cd6b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd99ef69fbc483d28fed37cf2dc084cd4f8a0b732b8221319337a91e94e7cd6b","first_computed_at":"2026-05-18T01:37:46.975288Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:37:46.975288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z12MMCMEGxwr3I4izBgHnYuDBf9gYh7YBJiBmvFM+Z0BsCGh4Axre6Yajb5/nYNOvpKAqxbjXiF9V/Gx43BiBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:37:46.975710Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.08236","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8fb39cdf3392fc623f61fe625468fddda4b1b0bb9199ac12fa8600f401b90df","sha256:a58718147a0601f3e3b59f87c11fe0fc90a601ca498fd0f50ce253a8782ec83f"],"state_sha256":"24cde384f8a5b12ca01ec52e4589d9043b1e6715c7034b386f02e557d0ee0763"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZpzPd3b5UhfwXXUSGsTUjFQoS3cyjbaqkmFlt/qkGlFvKD13Uzn/2xJRykPr0Rg059JLTqTACNyO/1jCM9IuDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T03:38:02.303962Z","bundle_sha256":"cafc6b8c8a884f4e2bf621f5572d22d2434c0ffb2586b5b5728a09a949cb98e5"}}