{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:J3OOXRCWMK7A4UIIQOHQ45YM6T","short_pith_number":"pith:J3OOXRCW","canonical_record":{"source":{"id":"1402.0110","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2014-02-01T18:35:38Z","cross_cats_sorted":[],"title_canon_sha256":"8ef8ae2059479159a970c6c26dee55519c9d7c8b4bda8d6b2a29ff63b7acde2a","abstract_canon_sha256":"c1e435c792d78a0b7a4baa3d79d867e246d6a356179f7006832b0f01f596174e"},"schema_version":"1.0"},"canonical_sha256":"4edcebc45662be0e5108838f0e770cf4d5df33e1bdb9547a5c007c9aecae1bde","source":{"kind":"arxiv","id":"1402.0110","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.0110","created_at":"2026-05-18T01:44:53Z"},{"alias_kind":"arxiv_version","alias_value":"1402.0110v1","created_at":"2026-05-18T01:44:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.0110","created_at":"2026-05-18T01:44:53Z"},{"alias_kind":"pith_short_12","alias_value":"J3OOXRCWMK7A","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"J3OOXRCWMK7A4UII","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"J3OOXRCW","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:J3OOXRCWMK7A4UIIQOHQ45YM6T","target":"record","payload":{"canonical_record":{"source":{"id":"1402.0110","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2014-02-01T18:35:38Z","cross_cats_sorted":[],"title_canon_sha256":"8ef8ae2059479159a970c6c26dee55519c9d7c8b4bda8d6b2a29ff63b7acde2a","abstract_canon_sha256":"c1e435c792d78a0b7a4baa3d79d867e246d6a356179f7006832b0f01f596174e"},"schema_version":"1.0"},"canonical_sha256":"4edcebc45662be0e5108838f0e770cf4d5df33e1bdb9547a5c007c9aecae1bde","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:53.719942Z","signature_b64":"XoYb+CCyF5v5O19HTIGQ3S2fI+2XGqcmRweZt1tARhqNFo0qjm0S6rtuKPnbeV5jChJ2J5mjUKH7G3c2woCYBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4edcebc45662be0e5108838f0e770cf4d5df33e1bdb9547a5c007c9aecae1bde","last_reissued_at":"2026-05-18T01:44:53.719422Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:53.719422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.0110","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":"2026-05-18T01:44:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"epwq6nULjZe1dwvLlhAJYTmQQFX00eOZITbgFBn2XNJr+PNgXkoy5UNlM61fMBIOzqMqMjaJKfwRfe1Mn3GNAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T18:36:39.683267Z"},"content_sha256":"c04613904a2761e80be5c0c2fceb27a178ac7cea7dc989bb220c22e2582f9da7","schema_version":"1.0","event_id":"sha256:c04613904a2761e80be5c0c2fceb27a178ac7cea7dc989bb220c22e2582f9da7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:J3OOXRCWMK7A4UIIQOHQ45YM6T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A partitioned scheme for fluid-composite structure interaction problems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.NA","authors_text":"Boris Muha, Martina Bukac, Suncica Canic","submitted_at":"2014-02-01T18:35:38Z","abstract_excerpt":"We present a loosely-coupled partitioned scheme for a benchmark problem in fluid-composite structure interaction. The benchmark problem proposed here consists of an incompressible, viscous fluid interacting with a composite structure that consists of two layers: a thin elastic layer which is in contact with the fluid, and a thick elastic layer which sits on top of the thin layer. The motivation comes from fluid-structure interaction (FSI) in hemodyam- ics. The equations of linear elasticity are used to model the thick structural layer, while the Koiter member/shell equations are used to model "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.0110","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":"2026-05-18T01:44:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BgTYTjl80FRuYINKB92NBPHBARBKDv5l4CbqzdIjUKIK61xwpAGqfzs30r7YWmdU5xuKQAxU1VpThj6EteQLBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T18:36:39.683627Z"},"content_sha256":"c4bf98aaafe075a3d7e69ce54543462640451c35fa246d0cdc52b4acae0e187f","schema_version":"1.0","event_id":"sha256:c4bf98aaafe075a3d7e69ce54543462640451c35fa246d0cdc52b4acae0e187f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J3OOXRCWMK7A4UIIQOHQ45YM6T/bundle.json","state_url":"https://pith.science/pith/J3OOXRCWMK7A4UIIQOHQ45YM6T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J3OOXRCWMK7A4UIIQOHQ45YM6T/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":"2026-06-20T18:36:39Z","links":{"resolver":"https://pith.science/pith/J3OOXRCWMK7A4UIIQOHQ45YM6T","bundle":"https://pith.science/pith/J3OOXRCWMK7A4UIIQOHQ45YM6T/bundle.json","state":"https://pith.science/pith/J3OOXRCWMK7A4UIIQOHQ45YM6T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J3OOXRCWMK7A4UIIQOHQ45YM6T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:J3OOXRCWMK7A4UIIQOHQ45YM6T","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":"c1e435c792d78a0b7a4baa3d79d867e246d6a356179f7006832b0f01f596174e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2014-02-01T18:35:38Z","title_canon_sha256":"8ef8ae2059479159a970c6c26dee55519c9d7c8b4bda8d6b2a29ff63b7acde2a"},"schema_version":"1.0","source":{"id":"1402.0110","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.0110","created_at":"2026-05-18T01:44:53Z"},{"alias_kind":"arxiv_version","alias_value":"1402.0110v1","created_at":"2026-05-18T01:44:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.0110","created_at":"2026-05-18T01:44:53Z"},{"alias_kind":"pith_short_12","alias_value":"J3OOXRCWMK7A","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"J3OOXRCWMK7A4UII","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"J3OOXRCW","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:c4bf98aaafe075a3d7e69ce54543462640451c35fa246d0cdc52b4acae0e187f","target":"graph","created_at":"2026-05-18T01:44:53Z","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 a loosely-coupled partitioned scheme for a benchmark problem in fluid-composite structure interaction. The benchmark problem proposed here consists of an incompressible, viscous fluid interacting with a composite structure that consists of two layers: a thin elastic layer which is in contact with the fluid, and a thick elastic layer which sits on top of the thin layer. The motivation comes from fluid-structure interaction (FSI) in hemodyam- ics. The equations of linear elasticity are used to model the thick structural layer, while the Koiter member/shell equations are used to model ","authors_text":"Boris Muha, Martina Bukac, Suncica Canic","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2014-02-01T18:35:38Z","title":"A partitioned scheme for fluid-composite structure interaction problems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.0110","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:c04613904a2761e80be5c0c2fceb27a178ac7cea7dc989bb220c22e2582f9da7","target":"record","created_at":"2026-05-18T01:44:53Z","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":"c1e435c792d78a0b7a4baa3d79d867e246d6a356179f7006832b0f01f596174e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2014-02-01T18:35:38Z","title_canon_sha256":"8ef8ae2059479159a970c6c26dee55519c9d7c8b4bda8d6b2a29ff63b7acde2a"},"schema_version":"1.0","source":{"id":"1402.0110","kind":"arxiv","version":1}},"canonical_sha256":"4edcebc45662be0e5108838f0e770cf4d5df33e1bdb9547a5c007c9aecae1bde","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4edcebc45662be0e5108838f0e770cf4d5df33e1bdb9547a5c007c9aecae1bde","first_computed_at":"2026-05-18T01:44:53.719422Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:53.719422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XoYb+CCyF5v5O19HTIGQ3S2fI+2XGqcmRweZt1tARhqNFo0qjm0S6rtuKPnbeV5jChJ2J5mjUKH7G3c2woCYBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:53.719942Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.0110","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c04613904a2761e80be5c0c2fceb27a178ac7cea7dc989bb220c22e2582f9da7","sha256:c4bf98aaafe075a3d7e69ce54543462640451c35fa246d0cdc52b4acae0e187f"],"state_sha256":"1c7758f85db7002209b724bbd8a3b6368849ea8b74d5a4df61330d2272e87039"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QtcWIO78hIBLFQysIO/bagJlALi02u5p2Z7EPzoeSa8HIil83mVBQpbB53+/wXD9X9Es+dV5Zjh7HQuIKeJ+Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T18:36:39.685397Z","bundle_sha256":"6dbc9704245365f5d061210885d1cc55908424dc3cf32315446cea0d5e2a75fa"}}