{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:MECKK6KVRDUFSN5JPMVSZXOQAZ","short_pith_number":"pith:MECKK6KV","canonical_record":{"source":{"id":"1201.6562","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-01-31T15:05:43Z","cross_cats_sorted":["physics.comp-ph","physics.flu-dyn"],"title_canon_sha256":"f090bd35ae4327dee2ae748d31ed175e59cca4bc114d9ba10eb73b6f7b4a56c8","abstract_canon_sha256":"5b862110bf0f0a36c880a34df07d3c0b63a440bcd5456606ad7d5b36fe1f0f13"},"schema_version":"1.0"},"canonical_sha256":"6104a5795588e85937a97b2b2cddd00671992274d94d03adf8381bbad13fafac","source":{"kind":"arxiv","id":"1201.6562","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.6562","created_at":"2026-05-18T03:50:10Z"},{"alias_kind":"arxiv_version","alias_value":"1201.6562v2","created_at":"2026-05-18T03:50:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.6562","created_at":"2026-05-18T03:50:10Z"},{"alias_kind":"pith_short_12","alias_value":"MECKK6KVRDUF","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MECKK6KVRDUFSN5J","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MECKK6KV","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:MECKK6KVRDUFSN5JPMVSZXOQAZ","target":"record","payload":{"canonical_record":{"source":{"id":"1201.6562","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-01-31T15:05:43Z","cross_cats_sorted":["physics.comp-ph","physics.flu-dyn"],"title_canon_sha256":"f090bd35ae4327dee2ae748d31ed175e59cca4bc114d9ba10eb73b6f7b4a56c8","abstract_canon_sha256":"5b862110bf0f0a36c880a34df07d3c0b63a440bcd5456606ad7d5b36fe1f0f13"},"schema_version":"1.0"},"canonical_sha256":"6104a5795588e85937a97b2b2cddd00671992274d94d03adf8381bbad13fafac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:50:10.797152Z","signature_b64":"Zg+DZmvG8e+Nox+YvkFHXmXUn7g2ZyRmEpQOu3cykuPvBDhInkvkyIYowYHcH8Kc2jFQdcqmBF4zjQOXOtlhBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6104a5795588e85937a97b2b2cddd00671992274d94d03adf8381bbad13fafac","last_reissued_at":"2026-05-18T03:50:10.796447Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:50:10.796447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.6562","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":"2026-05-18T03:50:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TLlywybjLl6q51PrMtyIRy6aZ6wES6eH50p+hn1kTKItPp6lNTmebEenyAbNcKJNuw7TFSSw4dM83g5E4frXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T18:33:19.537230Z"},"content_sha256":"1eb085cf7709fbf49daa9edfcdc2fa8307d934c725f011b0b2363059770fd32b","schema_version":"1.0","event_id":"sha256:1eb085cf7709fbf49daa9edfcdc2fa8307d934c725f011b0b2363059770fd32b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:MECKK6KVRDUFSN5JPMVSZXOQAZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effects of nanoparticles and surfactant on droplets in shear flow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph","physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"Florian G\\\"unther, Jens Harting, Stefan Frijters","submitted_at":"2012-01-31T15:05:43Z","abstract_excerpt":"We present three-dimensional numerical simulations, employing the well-established lattice Boltzmann method, and investigate similarities and differences between surfactants and nanoparticles as additives at a fluid-fluid interface. We report on their respective effects on the surface tension of such an interface. Next, we subject a fluid droplet to shear and explore the deformation properties of the droplet, its inclination angle relative to the shear flow, the dynamics of the particles at the interface, and the possibility of breakup. Particles are seen not to affect the surface tension of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.6562","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":"2026-05-18T03:50:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xe4qTz4fVsxjwucvh120oR17jytG1d6J00cAXyY+cXAmU3Kou9e/ZpJ/4UIylP6fn+Fr9QE6YAqNFkxfHtfCDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T18:33:19.537593Z"},"content_sha256":"3fca1d0ac9ad0164bf3099f46774a20bf3605e1d08d3f738f431026bdb749d6a","schema_version":"1.0","event_id":"sha256:3fca1d0ac9ad0164bf3099f46774a20bf3605e1d08d3f738f431026bdb749d6a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MECKK6KVRDUFSN5JPMVSZXOQAZ/bundle.json","state_url":"https://pith.science/pith/MECKK6KVRDUFSN5JPMVSZXOQAZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MECKK6KVRDUFSN5JPMVSZXOQAZ/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":"2026-05-22T18:33:19Z","links":{"resolver":"https://pith.science/pith/MECKK6KVRDUFSN5JPMVSZXOQAZ","bundle":"https://pith.science/pith/MECKK6KVRDUFSN5JPMVSZXOQAZ/bundle.json","state":"https://pith.science/pith/MECKK6KVRDUFSN5JPMVSZXOQAZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MECKK6KVRDUFSN5JPMVSZXOQAZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:MECKK6KVRDUFSN5JPMVSZXOQAZ","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":"5b862110bf0f0a36c880a34df07d3c0b63a440bcd5456606ad7d5b36fe1f0f13","cross_cats_sorted":["physics.comp-ph","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-01-31T15:05:43Z","title_canon_sha256":"f090bd35ae4327dee2ae748d31ed175e59cca4bc114d9ba10eb73b6f7b4a56c8"},"schema_version":"1.0","source":{"id":"1201.6562","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.6562","created_at":"2026-05-18T03:50:10Z"},{"alias_kind":"arxiv_version","alias_value":"1201.6562v2","created_at":"2026-05-18T03:50:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.6562","created_at":"2026-05-18T03:50:10Z"},{"alias_kind":"pith_short_12","alias_value":"MECKK6KVRDUF","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MECKK6KVRDUFSN5J","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MECKK6KV","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:3fca1d0ac9ad0164bf3099f46774a20bf3605e1d08d3f738f431026bdb749d6a","target":"graph","created_at":"2026-05-18T03:50:10Z","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":"We present three-dimensional numerical simulations, employing the well-established lattice Boltzmann method, and investigate similarities and differences between surfactants and nanoparticles as additives at a fluid-fluid interface. We report on their respective effects on the surface tension of such an interface. Next, we subject a fluid droplet to shear and explore the deformation properties of the droplet, its inclination angle relative to the shear flow, the dynamics of the particles at the interface, and the possibility of breakup. Particles are seen not to affect the surface tension of t","authors_text":"Florian G\\\"unther, Jens Harting, Stefan Frijters","cross_cats":["physics.comp-ph","physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-01-31T15:05:43Z","title":"Effects of nanoparticles and surfactant on droplets in shear flow"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.6562","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":"sha256:1eb085cf7709fbf49daa9edfcdc2fa8307d934c725f011b0b2363059770fd32b","target":"record","created_at":"2026-05-18T03:50:10Z","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":"5b862110bf0f0a36c880a34df07d3c0b63a440bcd5456606ad7d5b36fe1f0f13","cross_cats_sorted":["physics.comp-ph","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-01-31T15:05:43Z","title_canon_sha256":"f090bd35ae4327dee2ae748d31ed175e59cca4bc114d9ba10eb73b6f7b4a56c8"},"schema_version":"1.0","source":{"id":"1201.6562","kind":"arxiv","version":2}},"canonical_sha256":"6104a5795588e85937a97b2b2cddd00671992274d94d03adf8381bbad13fafac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6104a5795588e85937a97b2b2cddd00671992274d94d03adf8381bbad13fafac","first_computed_at":"2026-05-18T03:50:10.796447Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:50:10.796447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zg+DZmvG8e+Nox+YvkFHXmXUn7g2ZyRmEpQOu3cykuPvBDhInkvkyIYowYHcH8Kc2jFQdcqmBF4zjQOXOtlhBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:50:10.797152Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.6562","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1eb085cf7709fbf49daa9edfcdc2fa8307d934c725f011b0b2363059770fd32b","sha256:3fca1d0ac9ad0164bf3099f46774a20bf3605e1d08d3f738f431026bdb749d6a"],"state_sha256":"bf1d1469c9c807b29378dc3e8b5cea2a4a7e7a9dc008144eb51521e078de795e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4yuEe4NLv/l0VsSvc68JgkGVfApb/K0bs54onAL9j3ePrIzFNx35Yw8CHFRjciBiqhsRVsC24HFlTt70Wq0MCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T18:33:19.539620Z","bundle_sha256":"90b6f1cff416ea1e9813172d2bfb9d0c1e2e98b23b255f06e0d017898884c3ee"}}