{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:WN6GHS53I33P7FBSRRUEW5U4XH","short_pith_number":"pith:WN6GHS53","canonical_record":{"source":{"id":"1812.02390","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-12-06T07:44:07Z","cross_cats_sorted":[],"title_canon_sha256":"1934b32fc30f3016e0147f9992a3ae4b7fc2029885554fe376316c0a55a10fd4","abstract_canon_sha256":"b7b2d050e73432297f1a19b0c701e1e0f0bce42120ecdf4189f245684bfe0443"},"schema_version":"1.0"},"canonical_sha256":"b37c63cbbb46f6ff94328c684b769cb9ef726215c22b6055eb226ee84e6dcd08","source":{"kind":"arxiv","id":"1812.02390","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.02390","created_at":"2026-05-17T23:58:56Z"},{"alias_kind":"arxiv_version","alias_value":"1812.02390v1","created_at":"2026-05-17T23:58:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.02390","created_at":"2026-05-17T23:58:56Z"},{"alias_kind":"pith_short_12","alias_value":"WN6GHS53I33P","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"WN6GHS53I33P7FBS","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"WN6GHS53","created_at":"2026-05-18T12:33:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:WN6GHS53I33P7FBSRRUEW5U4XH","target":"record","payload":{"canonical_record":{"source":{"id":"1812.02390","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-12-06T07:44:07Z","cross_cats_sorted":[],"title_canon_sha256":"1934b32fc30f3016e0147f9992a3ae4b7fc2029885554fe376316c0a55a10fd4","abstract_canon_sha256":"b7b2d050e73432297f1a19b0c701e1e0f0bce42120ecdf4189f245684bfe0443"},"schema_version":"1.0"},"canonical_sha256":"b37c63cbbb46f6ff94328c684b769cb9ef726215c22b6055eb226ee84e6dcd08","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:56.429425Z","signature_b64":"Fw/73r/nq9PhEY6kv3mjKp06b/4Zemk1m+4VhHobHGzqSnOKyvU2m8wc7mxiNzhf+5VHGZiUTk41BIwVfKMZAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b37c63cbbb46f6ff94328c684b769cb9ef726215c22b6055eb226ee84e6dcd08","last_reissued_at":"2026-05-17T23:58:56.428998Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:56.428998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.02390","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":"2026-05-17T23:58:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CYKSw+n+B7ljwWiTCyH86Yq73Z7km0k2RyXeAk/USGLLBjv7yjcNrmtJ4Mo4oavtjDxgo3/sns6w0kC/m6nwBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:01:06.434987Z"},"content_sha256":"64891160745423249ac1723192e24e591f66a5c8ebc68baf4512d423ef01afcc","schema_version":"1.0","event_id":"sha256:64891160745423249ac1723192e24e591f66a5c8ebc68baf4512d423ef01afcc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:WN6GHS53I33P7FBSRRUEW5U4XH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Viscous-elastic dynamics of power-law fluids within an elastic cylinder","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Amir D. Gat, Evgeniy Boyko, Moran Bercovici","submitted_at":"2018-12-06T07:44:07Z","abstract_excerpt":"In a wide range of applications, microfluidic channels are implemented in soft substrates. In such configurations, where fluidic inertia and compressibility are negligible, the propagation of fluids in channels is governed by a balance between fluid viscosity and elasticity of the surrounding solid. The viscous-elastic interactions between elastic substrates and non-Newtonian fluids are particularly of interest due to the dependence of viscosity on the state of the system. In this work, we study the fluid-structure interaction dynamics between an incompressible non-Newtonian fluid and a slende"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.02390","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":"2026-05-17T23:58:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B6OOW0pvT3lOsr41wyc2qEfC6+tRphD3XzMH4mUlR2GicUu98xfU90wYjj2SHAZJvbJ/nplvJZBDcVhn+ZzlAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:01:06.435349Z"},"content_sha256":"d1a0f3d87322974f973a8e5a83f2398d9776e8a87f5c141d12c265fff7a7e7dd","schema_version":"1.0","event_id":"sha256:d1a0f3d87322974f973a8e5a83f2398d9776e8a87f5c141d12c265fff7a7e7dd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WN6GHS53I33P7FBSRRUEW5U4XH/bundle.json","state_url":"https://pith.science/pith/WN6GHS53I33P7FBSRRUEW5U4XH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WN6GHS53I33P7FBSRRUEW5U4XH/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":"2026-06-03T19:01:06Z","links":{"resolver":"https://pith.science/pith/WN6GHS53I33P7FBSRRUEW5U4XH","bundle":"https://pith.science/pith/WN6GHS53I33P7FBSRRUEW5U4XH/bundle.json","state":"https://pith.science/pith/WN6GHS53I33P7FBSRRUEW5U4XH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WN6GHS53I33P7FBSRRUEW5U4XH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:WN6GHS53I33P7FBSRRUEW5U4XH","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":"b7b2d050e73432297f1a19b0c701e1e0f0bce42120ecdf4189f245684bfe0443","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-12-06T07:44:07Z","title_canon_sha256":"1934b32fc30f3016e0147f9992a3ae4b7fc2029885554fe376316c0a55a10fd4"},"schema_version":"1.0","source":{"id":"1812.02390","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.02390","created_at":"2026-05-17T23:58:56Z"},{"alias_kind":"arxiv_version","alias_value":"1812.02390v1","created_at":"2026-05-17T23:58:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.02390","created_at":"2026-05-17T23:58:56Z"},{"alias_kind":"pith_short_12","alias_value":"WN6GHS53I33P","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"WN6GHS53I33P7FBS","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"WN6GHS53","created_at":"2026-05-18T12:33:01Z"}],"graph_snapshots":[{"event_id":"sha256:d1a0f3d87322974f973a8e5a83f2398d9776e8a87f5c141d12c265fff7a7e7dd","target":"graph","created_at":"2026-05-17T23:58:56Z","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":"In a wide range of applications, microfluidic channels are implemented in soft substrates. In such configurations, where fluidic inertia and compressibility are negligible, the propagation of fluids in channels is governed by a balance between fluid viscosity and elasticity of the surrounding solid. The viscous-elastic interactions between elastic substrates and non-Newtonian fluids are particularly of interest due to the dependence of viscosity on the state of the system. In this work, we study the fluid-structure interaction dynamics between an incompressible non-Newtonian fluid and a slende","authors_text":"Amir D. Gat, Evgeniy Boyko, Moran Bercovici","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-12-06T07:44:07Z","title":"Viscous-elastic dynamics of power-law fluids within an elastic cylinder"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.02390","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":"sha256:64891160745423249ac1723192e24e591f66a5c8ebc68baf4512d423ef01afcc","target":"record","created_at":"2026-05-17T23:58:56Z","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":"b7b2d050e73432297f1a19b0c701e1e0f0bce42120ecdf4189f245684bfe0443","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-12-06T07:44:07Z","title_canon_sha256":"1934b32fc30f3016e0147f9992a3ae4b7fc2029885554fe376316c0a55a10fd4"},"schema_version":"1.0","source":{"id":"1812.02390","kind":"arxiv","version":1}},"canonical_sha256":"b37c63cbbb46f6ff94328c684b769cb9ef726215c22b6055eb226ee84e6dcd08","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b37c63cbbb46f6ff94328c684b769cb9ef726215c22b6055eb226ee84e6dcd08","first_computed_at":"2026-05-17T23:58:56.428998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:56.428998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Fw/73r/nq9PhEY6kv3mjKp06b/4Zemk1m+4VhHobHGzqSnOKyvU2m8wc7mxiNzhf+5VHGZiUTk41BIwVfKMZAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:56.429425Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.02390","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64891160745423249ac1723192e24e591f66a5c8ebc68baf4512d423ef01afcc","sha256:d1a0f3d87322974f973a8e5a83f2398d9776e8a87f5c141d12c265fff7a7e7dd"],"state_sha256":"9d4f8a2c6784a60adcb6f211b25a9a85c9042e111c895e1a6ddd2b1f9677744a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HP9OzTJ8ldWB/u0Uqimf/zmAEOQZnHibSsezRNK2AdTdfzy4FJPUSnEHJ8eLwCMJ+e7FjxZmnmAK/++eIQ+cDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T19:01:06.437227Z","bundle_sha256":"9d3efd3682b242fe80b8ec1eeac2e23ab6e15bb6d139658ba01bde2e5d6e691e"}}