{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ND6YXJQ2YLG44PEDXMDGJ26FNQ","short_pith_number":"pith:ND6YXJQ2","canonical_record":{"source":{"id":"1705.02873","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-05-08T13:48:09Z","cross_cats_sorted":[],"title_canon_sha256":"c8d0046c82706491d35c429943bdd71617a34d3f687bfb7e58f6cb1eba219c18","abstract_canon_sha256":"c724f98b8bab8d08fae9a17b903c83c2ea91a12f2a2d0b7de0978ba420d052da"},"schema_version":"1.0"},"canonical_sha256":"68fd8ba61ac2cdce3c83bb0664ebc56c059c93077a69cb4eb199b0ac373d50cd","source":{"kind":"arxiv","id":"1705.02873","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02873","created_at":"2026-05-18T00:24:31Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02873v2","created_at":"2026-05-18T00:24:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02873","created_at":"2026-05-18T00:24:31Z"},{"alias_kind":"pith_short_12","alias_value":"ND6YXJQ2YLG4","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"ND6YXJQ2YLG44PED","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"ND6YXJQ2","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ND6YXJQ2YLG44PEDXMDGJ26FNQ","target":"record","payload":{"canonical_record":{"source":{"id":"1705.02873","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-05-08T13:48:09Z","cross_cats_sorted":[],"title_canon_sha256":"c8d0046c82706491d35c429943bdd71617a34d3f687bfb7e58f6cb1eba219c18","abstract_canon_sha256":"c724f98b8bab8d08fae9a17b903c83c2ea91a12f2a2d0b7de0978ba420d052da"},"schema_version":"1.0"},"canonical_sha256":"68fd8ba61ac2cdce3c83bb0664ebc56c059c93077a69cb4eb199b0ac373d50cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:31.266811Z","signature_b64":"qZEixzrVmeIENm6P9bulzwDoybqKy7ZuZwxN/HmsDuYQlZLPQHa4PINuM+k0JFv7HXhoOtWp7uAfXBaecjlfCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68fd8ba61ac2cdce3c83bb0664ebc56c059c93077a69cb4eb199b0ac373d50cd","last_reissued_at":"2026-05-18T00:24:31.265802Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:31.265802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.02873","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":"2026-05-18T00:24:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f7f/ggtgx1ZLDTYGnOW58s/Xlt5f9v0bvlOMTN2jM9Tbx2qudvjGVnYDNhQsHt5niMS6fzHN93Vdz/wY17S6AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:54:32.791250Z"},"content_sha256":"0b4b7808612cc16d07b82d15757689e0fad542f869de191dac0b38b37c9028c4","schema_version":"1.0","event_id":"sha256:0b4b7808612cc16d07b82d15757689e0fad542f869de191dac0b38b37c9028c4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ND6YXJQ2YLG44PEDXMDGJ26FNQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hydrodynamic signatures of stationary Marangoni-driven surfactant transport","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"D. K. Singh, M. M. Bandi, R. S. Singh, S. Mandre, V. S. Akella","submitted_at":"2017-05-08T13:48:09Z","abstract_excerpt":"We experimentally study steady Marangoni-driven surfactant transport on the interface of a deep water layer. Using hydrodynamic measurements, and without using any knowledge of the surfactant physico-chemical properties, we show that sodium dodecyl sulphate and Tergitol 15-S-9 introduced in low concentrations result in a flow driven by adsorbed surfactant. At higher surfactant concentration, the flow is dominated by the dissolved surfactant. Using Camphoric acid, whose properties are {\\it a priori} unknown, we demonstrate this method's efficacy by showing its spreading is adsorption dominated."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02873","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":"2026-05-18T00:24:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zm9p0lrloACBQb/et9+tQKQi72/Qh0u/o78jlRnFzuXQv3/Uc5cImAAxxMuMyutgxmr4d4FqvcGsvQJfqRY2Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:54:32.791765Z"},"content_sha256":"a5537127b8d1042727b0bfd013b11337ad4bf3845f93c8ba5b76831de1050245","schema_version":"1.0","event_id":"sha256:a5537127b8d1042727b0bfd013b11337ad4bf3845f93c8ba5b76831de1050245"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ND6YXJQ2YLG44PEDXMDGJ26FNQ/bundle.json","state_url":"https://pith.science/pith/ND6YXJQ2YLG44PEDXMDGJ26FNQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ND6YXJQ2YLG44PEDXMDGJ26FNQ/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":"2026-05-27T05:54:32Z","links":{"resolver":"https://pith.science/pith/ND6YXJQ2YLG44PEDXMDGJ26FNQ","bundle":"https://pith.science/pith/ND6YXJQ2YLG44PEDXMDGJ26FNQ/bundle.json","state":"https://pith.science/pith/ND6YXJQ2YLG44PEDXMDGJ26FNQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ND6YXJQ2YLG44PEDXMDGJ26FNQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ND6YXJQ2YLG44PEDXMDGJ26FNQ","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":"c724f98b8bab8d08fae9a17b903c83c2ea91a12f2a2d0b7de0978ba420d052da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-05-08T13:48:09Z","title_canon_sha256":"c8d0046c82706491d35c429943bdd71617a34d3f687bfb7e58f6cb1eba219c18"},"schema_version":"1.0","source":{"id":"1705.02873","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02873","created_at":"2026-05-18T00:24:31Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02873v2","created_at":"2026-05-18T00:24:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02873","created_at":"2026-05-18T00:24:31Z"},{"alias_kind":"pith_short_12","alias_value":"ND6YXJQ2YLG4","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"ND6YXJQ2YLG44PED","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"ND6YXJQ2","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:a5537127b8d1042727b0bfd013b11337ad4bf3845f93c8ba5b76831de1050245","target":"graph","created_at":"2026-05-18T00:24:31Z","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 experimentally study steady Marangoni-driven surfactant transport on the interface of a deep water layer. Using hydrodynamic measurements, and without using any knowledge of the surfactant physico-chemical properties, we show that sodium dodecyl sulphate and Tergitol 15-S-9 introduced in low concentrations result in a flow driven by adsorbed surfactant. At higher surfactant concentration, the flow is dominated by the dissolved surfactant. Using Camphoric acid, whose properties are {\\it a priori} unknown, we demonstrate this method's efficacy by showing its spreading is adsorption dominated.","authors_text":"D. K. Singh, M. M. Bandi, R. S. Singh, S. Mandre, V. S. Akella","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-05-08T13:48:09Z","title":"Hydrodynamic signatures of stationary Marangoni-driven surfactant transport"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02873","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":"sha256:0b4b7808612cc16d07b82d15757689e0fad542f869de191dac0b38b37c9028c4","target":"record","created_at":"2026-05-18T00:24:31Z","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":"c724f98b8bab8d08fae9a17b903c83c2ea91a12f2a2d0b7de0978ba420d052da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-05-08T13:48:09Z","title_canon_sha256":"c8d0046c82706491d35c429943bdd71617a34d3f687bfb7e58f6cb1eba219c18"},"schema_version":"1.0","source":{"id":"1705.02873","kind":"arxiv","version":2}},"canonical_sha256":"68fd8ba61ac2cdce3c83bb0664ebc56c059c93077a69cb4eb199b0ac373d50cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68fd8ba61ac2cdce3c83bb0664ebc56c059c93077a69cb4eb199b0ac373d50cd","first_computed_at":"2026-05-18T00:24:31.265802Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:31.265802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qZEixzrVmeIENm6P9bulzwDoybqKy7ZuZwxN/HmsDuYQlZLPQHa4PINuM+k0JFv7HXhoOtWp7uAfXBaecjlfCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:31.266811Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.02873","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0b4b7808612cc16d07b82d15757689e0fad542f869de191dac0b38b37c9028c4","sha256:a5537127b8d1042727b0bfd013b11337ad4bf3845f93c8ba5b76831de1050245"],"state_sha256":"11aff6dc06c66a8a432ee2859951cfb960082aac8bdb990d24216ee5453ba56a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+sBeYreIcc0GSfMe6tlFHhcnBFpmDsn/8gcaEdCfZBI/d5sVuoJhajHKMgFf2loFIffV8QIrMkXQcrBDf+kKBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T05:54:32.795262Z","bundle_sha256":"7272d47f467368d2512a5e797fd2ace93bc87625be1c9d425f4a82c47a2148fe"}}