{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4BNGCOU6W2VA7ENMBQJTGVNKT4","short_pith_number":"pith:4BNGCOU6","canonical_record":{"source":{"id":"1810.06400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-10-09T23:12:46Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"8b9eb5ffdec4fea8e065e31d2c205901227b9e6b658986be8356c7b28246b1fb","abstract_canon_sha256":"8ff284275ce6fd33927c827be5ddc6909f740487bc3a91292e63233692fdb53e"},"schema_version":"1.0"},"canonical_sha256":"e05a613a9eb6aa0f91ac0c133355aa9f247fbb00e4282743991b7d13b352c1aa","source":{"kind":"arxiv","id":"1810.06400","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06400","created_at":"2026-05-18T00:03:20Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06400v1","created_at":"2026-05-18T00:03:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06400","created_at":"2026-05-18T00:03:20Z"},{"alias_kind":"pith_short_12","alias_value":"4BNGCOU6W2VA","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4BNGCOU6W2VA7ENM","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4BNGCOU6","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4BNGCOU6W2VA7ENMBQJTGVNKT4","target":"record","payload":{"canonical_record":{"source":{"id":"1810.06400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-10-09T23:12:46Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"8b9eb5ffdec4fea8e065e31d2c205901227b9e6b658986be8356c7b28246b1fb","abstract_canon_sha256":"8ff284275ce6fd33927c827be5ddc6909f740487bc3a91292e63233692fdb53e"},"schema_version":"1.0"},"canonical_sha256":"e05a613a9eb6aa0f91ac0c133355aa9f247fbb00e4282743991b7d13b352c1aa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:20.596839Z","signature_b64":"X72chL2HcKp7CR3jKbZ1MVFR3SVE2sKJpxHX30SntO3jSVYjKsnyr2h7khWeCa9UGaBng+s5FVPuW0/aQRzKAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e05a613a9eb6aa0f91ac0c133355aa9f247fbb00e4282743991b7d13b352c1aa","last_reissued_at":"2026-05-18T00:03:20.596213Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:20.596213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.06400","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":"2026-05-18T00:03:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SKjBvsu3h/LVAJG7yCxy5Ah2wmqEUM709Ptn6hUav4+F+VfTs8dTfAVjw9F3JtiVxPjvwIkVD0+geNWdKyqeCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T07:16:22.656850Z"},"content_sha256":"3f4554738df7d458efc88fe6549a3940cf307e3de9dc82487e40c2b0e82979fe","schema_version":"1.0","event_id":"sha256:3f4554738df7d458efc88fe6549a3940cf307e3de9dc82487e40c2b0e82979fe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4BNGCOU6W2VA7ENMBQJTGVNKT4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Uniform coating of self-assembled non-iridescent colloidal nanostructures using Marangoni effects and polymers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"Howard A. Stone, Hyoungsoo Kim, Seung Yeol Lee, Shin-Hyun Kim","submitted_at":"2018-10-09T23:12:46Z","abstract_excerpt":"Colloidal crystals exhibit structural color without any color pigment due to the crystals' periodic nanostructure, which can interfere with visible light. This crystal structure is iridescent as the resulting color changes with the viewing or illumination angle, which limits its use for printing or displays. To eliminate the iridescent property, it is important to make the packing of the colloidal nanoparticles disordered. Here, we introduce a drop-casting method where a droplet of a water- ethanol mixture containing monodisperse polymer-coated silica nanoparticles creates a relatively uniform"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06400","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":"2026-05-18T00:03:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8zv3gDS24mXtbPOBnwRvHcsoHlXsUOD8jUXi6r9qzrlw2W03Lt7/yT6fxv/7R92O+PF6yFu31+H33kgtK1HVDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T07:16:22.657609Z"},"content_sha256":"04e4dc340a40d7577c7ad234cd9fa1b1d8975f0eef24cb03f08ccb05e6c09810","schema_version":"1.0","event_id":"sha256:04e4dc340a40d7577c7ad234cd9fa1b1d8975f0eef24cb03f08ccb05e6c09810"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4BNGCOU6W2VA7ENMBQJTGVNKT4/bundle.json","state_url":"https://pith.science/pith/4BNGCOU6W2VA7ENMBQJTGVNKT4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4BNGCOU6W2VA7ENMBQJTGVNKT4/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":"2026-06-09T07:16:22Z","links":{"resolver":"https://pith.science/pith/4BNGCOU6W2VA7ENMBQJTGVNKT4","bundle":"https://pith.science/pith/4BNGCOU6W2VA7ENMBQJTGVNKT4/bundle.json","state":"https://pith.science/pith/4BNGCOU6W2VA7ENMBQJTGVNKT4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4BNGCOU6W2VA7ENMBQJTGVNKT4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4BNGCOU6W2VA7ENMBQJTGVNKT4","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":"8ff284275ce6fd33927c827be5ddc6909f740487bc3a91292e63233692fdb53e","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-10-09T23:12:46Z","title_canon_sha256":"8b9eb5ffdec4fea8e065e31d2c205901227b9e6b658986be8356c7b28246b1fb"},"schema_version":"1.0","source":{"id":"1810.06400","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06400","created_at":"2026-05-18T00:03:20Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06400v1","created_at":"2026-05-18T00:03:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06400","created_at":"2026-05-18T00:03:20Z"},{"alias_kind":"pith_short_12","alias_value":"4BNGCOU6W2VA","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4BNGCOU6W2VA7ENM","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4BNGCOU6","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:04e4dc340a40d7577c7ad234cd9fa1b1d8975f0eef24cb03f08ccb05e6c09810","target":"graph","created_at":"2026-05-18T00:03:20Z","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":"Colloidal crystals exhibit structural color without any color pigment due to the crystals' periodic nanostructure, which can interfere with visible light. This crystal structure is iridescent as the resulting color changes with the viewing or illumination angle, which limits its use for printing or displays. To eliminate the iridescent property, it is important to make the packing of the colloidal nanoparticles disordered. Here, we introduce a drop-casting method where a droplet of a water- ethanol mixture containing monodisperse polymer-coated silica nanoparticles creates a relatively uniform","authors_text":"Howard A. Stone, Hyoungsoo Kim, Seung Yeol Lee, Shin-Hyun Kim","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-10-09T23:12:46Z","title":"Uniform coating of self-assembled non-iridescent colloidal nanostructures using Marangoni effects and polymers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06400","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":"sha256:3f4554738df7d458efc88fe6549a3940cf307e3de9dc82487e40c2b0e82979fe","target":"record","created_at":"2026-05-18T00:03:20Z","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":"8ff284275ce6fd33927c827be5ddc6909f740487bc3a91292e63233692fdb53e","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-10-09T23:12:46Z","title_canon_sha256":"8b9eb5ffdec4fea8e065e31d2c205901227b9e6b658986be8356c7b28246b1fb"},"schema_version":"1.0","source":{"id":"1810.06400","kind":"arxiv","version":1}},"canonical_sha256":"e05a613a9eb6aa0f91ac0c133355aa9f247fbb00e4282743991b7d13b352c1aa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e05a613a9eb6aa0f91ac0c133355aa9f247fbb00e4282743991b7d13b352c1aa","first_computed_at":"2026-05-18T00:03:20.596213Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:20.596213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X72chL2HcKp7CR3jKbZ1MVFR3SVE2sKJpxHX30SntO3jSVYjKsnyr2h7khWeCa9UGaBng+s5FVPuW0/aQRzKAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:20.596839Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.06400","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f4554738df7d458efc88fe6549a3940cf307e3de9dc82487e40c2b0e82979fe","sha256:04e4dc340a40d7577c7ad234cd9fa1b1d8975f0eef24cb03f08ccb05e6c09810"],"state_sha256":"0ea5ffbbb3dcb95d5c6c393521ec0e48f2ba17e5e3b44e5cc89c18174cd20961"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tln3CQSPtW7skYx8oKuvXTptr2lp+GhNzyVRntcoFFyfqqWo+Vg48UyI0KQjNh+SPorpoHU89FwlOhvz8oQ1AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T07:16:22.661754Z","bundle_sha256":"28f2e88c43f4ca18416002c2549efda2808fa0ce95c1e0bd347d820c70cb2162"}}