{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:QL6MLOAJTZ4OHFIT3WM2AHPX7G","short_pith_number":"pith:QL6MLOAJ","canonical_record":{"source":{"id":"1602.05261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-02-17T01:29:19Z","cross_cats_sorted":[],"title_canon_sha256":"1b45d100bc764fca9c5ba10dfdb603b47d004eb3369cc4918e1bba8463a1c7fb","abstract_canon_sha256":"3609cbadeb8594c6b4d95d9c04bb80ceab576b04505c71da60c25c154bcc851e"},"schema_version":"1.0"},"canonical_sha256":"82fcc5b8099e78e39513dd99a01df7f9ab1f2e9d9e2921da27d64e77d3c8c723","source":{"kind":"arxiv","id":"1602.05261","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.05261","created_at":"2026-05-18T01:20:28Z"},{"alias_kind":"arxiv_version","alias_value":"1602.05261v1","created_at":"2026-05-18T01:20:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.05261","created_at":"2026-05-18T01:20:28Z"},{"alias_kind":"pith_short_12","alias_value":"QL6MLOAJTZ4O","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"QL6MLOAJTZ4OHFIT","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"QL6MLOAJ","created_at":"2026-05-18T12:30:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:QL6MLOAJTZ4OHFIT3WM2AHPX7G","target":"record","payload":{"canonical_record":{"source":{"id":"1602.05261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-02-17T01:29:19Z","cross_cats_sorted":[],"title_canon_sha256":"1b45d100bc764fca9c5ba10dfdb603b47d004eb3369cc4918e1bba8463a1c7fb","abstract_canon_sha256":"3609cbadeb8594c6b4d95d9c04bb80ceab576b04505c71da60c25c154bcc851e"},"schema_version":"1.0"},"canonical_sha256":"82fcc5b8099e78e39513dd99a01df7f9ab1f2e9d9e2921da27d64e77d3c8c723","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:28.761036Z","signature_b64":"DuK7i2NmGsIjWDFoEEenA6wCjKAoIoa2khRxyoPhnfq3p3qeTHr4R/aa+WTnvOmGRJWJdPh49zyNvTEFmckQCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82fcc5b8099e78e39513dd99a01df7f9ab1f2e9d9e2921da27d64e77d3c8c723","last_reissued_at":"2026-05-18T01:20:28.760376Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:28.760376Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.05261","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":"2026-05-18T01:20:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"io+8PPEvd5cqQZbBwKmyJbMEPggcUiAI1wD7XrFkFaglURLYYFZe0DeEVKF5lySwqhu7yMlVQBFRujw9oaDmBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T02:39:34.059694Z"},"content_sha256":"99ce798685b2c099f8a06e7d3f094cf2fd6a5fec4d92256b618f3f03c2bcc4da","schema_version":"1.0","event_id":"sha256:99ce798685b2c099f8a06e7d3f094cf2fd6a5fec4d92256b618f3f03c2bcc4da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:QL6MLOAJTZ4OHFIT3WM2AHPX7G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulating Surfactant Spreading: Impact of a Physically Motivated Equation of State","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Dina Sinclair, Karen E. Daniels, Rachel Levy","submitted_at":"2016-02-17T01:29:19Z","abstract_excerpt":"For more than two decades, a single model for the spreading of a surfactant-driven thin liquid film has dominated the applied mathematics literature on the subject. Recently, through the use of fluorescently-tagged lipids, it has become possible to make direct, quantitative comparisons between experiments and models. These comparisons have revealed two important discrepancies between simulations and experiments: the spatial distribution of the surfactant layer, and the timescale over which spreading occurs. In this paper, we present numerical simulations that demonstrate the impact of the part"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.05261","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":"2026-05-18T01:20:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OhTV1phpkahqkVgJyyGUrC7YA7vHt9YshFvtWksUEf0Ze9EVakLZFsUox44JF7SNAzoMdJGSCGUSvzIETtSQAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T02:39:34.060027Z"},"content_sha256":"1ac804dc805ce2ccaf7a2a5284ae1208f8038c6e65a46c66a644dd4eb074457b","schema_version":"1.0","event_id":"sha256:1ac804dc805ce2ccaf7a2a5284ae1208f8038c6e65a46c66a644dd4eb074457b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QL6MLOAJTZ4OHFIT3WM2AHPX7G/bundle.json","state_url":"https://pith.science/pith/QL6MLOAJTZ4OHFIT3WM2AHPX7G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QL6MLOAJTZ4OHFIT3WM2AHPX7G/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":"2026-07-02T02:39:34Z","links":{"resolver":"https://pith.science/pith/QL6MLOAJTZ4OHFIT3WM2AHPX7G","bundle":"https://pith.science/pith/QL6MLOAJTZ4OHFIT3WM2AHPX7G/bundle.json","state":"https://pith.science/pith/QL6MLOAJTZ4OHFIT3WM2AHPX7G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QL6MLOAJTZ4OHFIT3WM2AHPX7G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:QL6MLOAJTZ4OHFIT3WM2AHPX7G","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":"3609cbadeb8594c6b4d95d9c04bb80ceab576b04505c71da60c25c154bcc851e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-02-17T01:29:19Z","title_canon_sha256":"1b45d100bc764fca9c5ba10dfdb603b47d004eb3369cc4918e1bba8463a1c7fb"},"schema_version":"1.0","source":{"id":"1602.05261","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.05261","created_at":"2026-05-18T01:20:28Z"},{"alias_kind":"arxiv_version","alias_value":"1602.05261v1","created_at":"2026-05-18T01:20:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.05261","created_at":"2026-05-18T01:20:28Z"},{"alias_kind":"pith_short_12","alias_value":"QL6MLOAJTZ4O","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"QL6MLOAJTZ4OHFIT","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"QL6MLOAJ","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:1ac804dc805ce2ccaf7a2a5284ae1208f8038c6e65a46c66a644dd4eb074457b","target":"graph","created_at":"2026-05-18T01:20:28Z","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":"For more than two decades, a single model for the spreading of a surfactant-driven thin liquid film has dominated the applied mathematics literature on the subject. Recently, through the use of fluorescently-tagged lipids, it has become possible to make direct, quantitative comparisons between experiments and models. These comparisons have revealed two important discrepancies between simulations and experiments: the spatial distribution of the surfactant layer, and the timescale over which spreading occurs. In this paper, we present numerical simulations that demonstrate the impact of the part","authors_text":"Dina Sinclair, Karen E. Daniels, Rachel Levy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-02-17T01:29:19Z","title":"Simulating Surfactant Spreading: Impact of a Physically Motivated Equation of State"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.05261","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":"sha256:99ce798685b2c099f8a06e7d3f094cf2fd6a5fec4d92256b618f3f03c2bcc4da","target":"record","created_at":"2026-05-18T01:20:28Z","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":"3609cbadeb8594c6b4d95d9c04bb80ceab576b04505c71da60c25c154bcc851e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-02-17T01:29:19Z","title_canon_sha256":"1b45d100bc764fca9c5ba10dfdb603b47d004eb3369cc4918e1bba8463a1c7fb"},"schema_version":"1.0","source":{"id":"1602.05261","kind":"arxiv","version":1}},"canonical_sha256":"82fcc5b8099e78e39513dd99a01df7f9ab1f2e9d9e2921da27d64e77d3c8c723","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82fcc5b8099e78e39513dd99a01df7f9ab1f2e9d9e2921da27d64e77d3c8c723","first_computed_at":"2026-05-18T01:20:28.760376Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:28.760376Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DuK7i2NmGsIjWDFoEEenA6wCjKAoIoa2khRxyoPhnfq3p3qeTHr4R/aa+WTnvOmGRJWJdPh49zyNvTEFmckQCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:28.761036Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.05261","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99ce798685b2c099f8a06e7d3f094cf2fd6a5fec4d92256b618f3f03c2bcc4da","sha256:1ac804dc805ce2ccaf7a2a5284ae1208f8038c6e65a46c66a644dd4eb074457b"],"state_sha256":"ec4e1af9dcbee5132f8393222d15996cda73920909b2a5d1cdc3ee04e4ab73d8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xj1LNAOAUN0Iib8jA3BEnZu46bALMmIpwnyn9yWOgLF3rLvIdZRkYBdPf7IIqRJ5wm1n3rP5pi9CHLRrZnVbDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T02:39:34.061971Z","bundle_sha256":"bc83afc7aac108add7e8ed7cc5f8f44a64391351ace8cc6dc8c343aa3733275c"}}