{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:UIVHNPYBGM75SVM6QJVGRNWWPL","short_pith_number":"pith:UIVHNPYB","canonical_record":{"source":{"id":"1406.5547","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-06-20T21:52:25Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"6e091545a52df84c9eadbaf700b063060755ce5f949ed73a209b18a552c73e9d","abstract_canon_sha256":"0fef8405e57a850cd6c1e78fe586fc472029fd3489ea8462261e60d377f83809"},"schema_version":"1.0"},"canonical_sha256":"a22a76bf01333fd9559e826a68b6d67afbae2a466e8ba6b4f47f253d595fe949","source":{"kind":"arxiv","id":"1406.5547","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.5547","created_at":"2026-05-18T01:18:23Z"},{"alias_kind":"arxiv_version","alias_value":"1406.5547v3","created_at":"2026-05-18T01:18:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.5547","created_at":"2026-05-18T01:18:23Z"},{"alias_kind":"pith_short_12","alias_value":"UIVHNPYBGM75","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UIVHNPYBGM75SVM6","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UIVHNPYB","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:UIVHNPYBGM75SVM6QJVGRNWWPL","target":"record","payload":{"canonical_record":{"source":{"id":"1406.5547","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-06-20T21:52:25Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"6e091545a52df84c9eadbaf700b063060755ce5f949ed73a209b18a552c73e9d","abstract_canon_sha256":"0fef8405e57a850cd6c1e78fe586fc472029fd3489ea8462261e60d377f83809"},"schema_version":"1.0"},"canonical_sha256":"a22a76bf01333fd9559e826a68b6d67afbae2a466e8ba6b4f47f253d595fe949","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:23.568840Z","signature_b64":"s8DjT9CY0yDo6gaJtjc0XqNbf88PfPujdlY8RG2NX0F0agPOfg/jezD8UEiU2Cd13DesbFpLMiy8yT4jTP48Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a22a76bf01333fd9559e826a68b6d67afbae2a466e8ba6b4f47f253d595fe949","last_reissued_at":"2026-05-18T01:18:23.568289Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:23.568289Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.5547","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:18:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VjgV5M+x6tBp7PvI2v6LvEEEapHlI/NFj4eBLxzo/3AzK9CRDot/5t+Mgsmojwp+ZuvrTC9mOqRpA5y4LLdJAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:57:44.101911Z"},"content_sha256":"4bf8307f63b3fb228e9f5d6915930ef56f8123177c35f917517a3e5245798ff7","schema_version":"1.0","event_id":"sha256:4bf8307f63b3fb228e9f5d6915930ef56f8123177c35f917517a3e5245798ff7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:UIVHNPYBGM75SVM6QJVGRNWWPL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Droplets move over viscoelastic substrates by surfing a ridge","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"physics.flu-dyn","authors_text":"B. Andreotti, H. Perrin, J. H. Snoeijer, M. van Gorcum, S. Das, S. Karpitschka","submitted_at":"2014-06-20T21:52:25Z","abstract_excerpt":"Liquid drops on soft solids generate strong deformations below the contact line, resulting from a balance of capillary and elastic forces. The movement of these drops may cause strong, potentially singular dissipation in the soft solid. Here we show that a drop on a soft substrate moves by surfing a ridge: the initially flat solid surface is deformed into a sharp ridge whose orientation angle depends on the contact line velocity. We measure this angle for water on a silicone gel and develop a theory based on the substrate rheology. We quantitatively recover the dynamic contact angle and provid"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.5547","kind":"arxiv","version":3},"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":"2026-05-18T01:18:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+MLaGWfYuo6e4OPkIjm6NmePPlvcMz5250C3qbNWW/8xudjcWvf1yBF2GumQqPhBM1bDBxRCgMTw1HFyVUhJDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:57:44.102378Z"},"content_sha256":"ce3fc5a9e4662ae1d3dc9d5887cf8a984224c035119be2f5fee2da00a50caf81","schema_version":"1.0","event_id":"sha256:ce3fc5a9e4662ae1d3dc9d5887cf8a984224c035119be2f5fee2da00a50caf81"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UIVHNPYBGM75SVM6QJVGRNWWPL/bundle.json","state_url":"https://pith.science/pith/UIVHNPYBGM75SVM6QJVGRNWWPL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UIVHNPYBGM75SVM6QJVGRNWWPL/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":"2026-06-05T18:57:44Z","links":{"resolver":"https://pith.science/pith/UIVHNPYBGM75SVM6QJVGRNWWPL","bundle":"https://pith.science/pith/UIVHNPYBGM75SVM6QJVGRNWWPL/bundle.json","state":"https://pith.science/pith/UIVHNPYBGM75SVM6QJVGRNWWPL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UIVHNPYBGM75SVM6QJVGRNWWPL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UIVHNPYBGM75SVM6QJVGRNWWPL","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":"0fef8405e57a850cd6c1e78fe586fc472029fd3489ea8462261e60d377f83809","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-06-20T21:52:25Z","title_canon_sha256":"6e091545a52df84c9eadbaf700b063060755ce5f949ed73a209b18a552c73e9d"},"schema_version":"1.0","source":{"id":"1406.5547","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.5547","created_at":"2026-05-18T01:18:23Z"},{"alias_kind":"arxiv_version","alias_value":"1406.5547v3","created_at":"2026-05-18T01:18:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.5547","created_at":"2026-05-18T01:18:23Z"},{"alias_kind":"pith_short_12","alias_value":"UIVHNPYBGM75","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UIVHNPYBGM75SVM6","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UIVHNPYB","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:ce3fc5a9e4662ae1d3dc9d5887cf8a984224c035119be2f5fee2da00a50caf81","target":"graph","created_at":"2026-05-18T01:18:23Z","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":"Liquid drops on soft solids generate strong deformations below the contact line, resulting from a balance of capillary and elastic forces. The movement of these drops may cause strong, potentially singular dissipation in the soft solid. Here we show that a drop on a soft substrate moves by surfing a ridge: the initially flat solid surface is deformed into a sharp ridge whose orientation angle depends on the contact line velocity. We measure this angle for water on a silicone gel and develop a theory based on the substrate rheology. We quantitatively recover the dynamic contact angle and provid","authors_text":"B. Andreotti, H. Perrin, J. H. Snoeijer, M. van Gorcum, S. Das, S. Karpitschka","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-06-20T21:52:25Z","title":"Droplets move over viscoelastic substrates by surfing a ridge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.5547","kind":"arxiv","version":3},"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":"sha256:4bf8307f63b3fb228e9f5d6915930ef56f8123177c35f917517a3e5245798ff7","target":"record","created_at":"2026-05-18T01:18:23Z","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":"0fef8405e57a850cd6c1e78fe586fc472029fd3489ea8462261e60d377f83809","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2014-06-20T21:52:25Z","title_canon_sha256":"6e091545a52df84c9eadbaf700b063060755ce5f949ed73a209b18a552c73e9d"},"schema_version":"1.0","source":{"id":"1406.5547","kind":"arxiv","version":3}},"canonical_sha256":"a22a76bf01333fd9559e826a68b6d67afbae2a466e8ba6b4f47f253d595fe949","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a22a76bf01333fd9559e826a68b6d67afbae2a466e8ba6b4f47f253d595fe949","first_computed_at":"2026-05-18T01:18:23.568289Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:23.568289Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s8DjT9CY0yDo6gaJtjc0XqNbf88PfPujdlY8RG2NX0F0agPOfg/jezD8UEiU2Cd13DesbFpLMiy8yT4jTP48Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:23.568840Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.5547","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4bf8307f63b3fb228e9f5d6915930ef56f8123177c35f917517a3e5245798ff7","sha256:ce3fc5a9e4662ae1d3dc9d5887cf8a984224c035119be2f5fee2da00a50caf81"],"state_sha256":"84a36205bdb8ce2ec3ce235a01c0dd136d7b04e87d743be6053248951bdddf6d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bbaGJ+mMoQ6AovT5zKtvf6NNbLVh5Zq7cOrINLBpu7ykusRTq1txCV1Z64r8SGw783QSdRUEXrrs0UJz4nUKAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T18:57:44.105812Z","bundle_sha256":"15494a2ef6217445a721bf14a779a11989705a693fe4d2ef94ab1bbc72164c78"}}