{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4EQTNC5YAXXLOPHV76XCO7ABBG","short_pith_number":"pith:4EQTNC5Y","canonical_record":{"source":{"id":"1308.0802","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2013-08-04T12:32:56Z","cross_cats_sorted":[],"title_canon_sha256":"e3cb0690c01b51dd20ae390814dab822bae3152163cb8c683e8131fc34c2bba7","abstract_canon_sha256":"d2b416f68fbd15dee4dea24425c819a632d5e145ed931bd67c516742736af1fd"},"schema_version":"1.0"},"canonical_sha256":"e121368bb805eeb73cf5ffae277c0109b79b2a926d859d7b729725777c966c19","source":{"kind":"arxiv","id":"1308.0802","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.0802","created_at":"2026-05-18T01:21:40Z"},{"alias_kind":"arxiv_version","alias_value":"1308.0802v1","created_at":"2026-05-18T01:21:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.0802","created_at":"2026-05-18T01:21:40Z"},{"alias_kind":"pith_short_12","alias_value":"4EQTNC5YAXXL","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"4EQTNC5YAXXLOPHV","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"4EQTNC5Y","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4EQTNC5YAXXLOPHV76XCO7ABBG","target":"record","payload":{"canonical_record":{"source":{"id":"1308.0802","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2013-08-04T12:32:56Z","cross_cats_sorted":[],"title_canon_sha256":"e3cb0690c01b51dd20ae390814dab822bae3152163cb8c683e8131fc34c2bba7","abstract_canon_sha256":"d2b416f68fbd15dee4dea24425c819a632d5e145ed931bd67c516742736af1fd"},"schema_version":"1.0"},"canonical_sha256":"e121368bb805eeb73cf5ffae277c0109b79b2a926d859d7b729725777c966c19","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:40.859813Z","signature_b64":"ljqTa2cimiZn6HsBGLAjvXt0tJfuSNtBhimzvkUaK2ic1sDabTKjjVist3S1Wi0lpxsGqq+md7UVQvnEpHgGBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e121368bb805eeb73cf5ffae277c0109b79b2a926d859d7b729725777c966c19","last_reissued_at":"2026-05-18T01:21:40.859213Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:40.859213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.0802","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":"2026-05-18T01:21:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rcoTzIKipsx1XvWxavHFsWF8lJX1Yzb9gVWNDD/JvJCJfIQbXEZhY6QVhvsD9hW4Zm+VgxYPayAOjn06IMRvAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T19:45:29.156156Z"},"content_sha256":"adb178062b2f13a65883bcafcc7e94cacff1413bced7228c311d3a5e5e5b393a","schema_version":"1.0","event_id":"sha256:adb178062b2f13a65883bcafcc7e94cacff1413bced7228c311d3a5e5e5b393a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4EQTNC5YAXXLOPHV76XCO7ABBG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nitsche's method for two and three dimensional NURBS patch coupling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.NA","authors_text":"Elvio Bonisoli, Marco Brino, Pierre Kerfriden, Stephane Bordas, Vinh Phu Nguyen","submitted_at":"2013-08-04T12:32:56Z","abstract_excerpt":"A Nitche's method is presented to couple non-conforming two and three dimensional NURBS (Non Uniform Rational B-splines) patches in the context of isogeometric analysis (IGA). We present results for elastic stress analyses under the static condition of two and three dimensional NURBS geometries. The contribution fills the gap in the literature and enlarges the applicability of NURBS-based isogeometric analysis."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.0802","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":"2026-05-18T01:21:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qczUw4SgW3DVo4525bfTOwLj7XBzGvCeCZlZb194Tg14dsEL7t1+EbRWAq2FSBEMbzrMbOhvtJdFkqnzXY8ZDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T19:45:29.156507Z"},"content_sha256":"10525502a4758315ec6e29a697b14e9f793d5588743886ebf046820a65227d99","schema_version":"1.0","event_id":"sha256:10525502a4758315ec6e29a697b14e9f793d5588743886ebf046820a65227d99"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4EQTNC5YAXXLOPHV76XCO7ABBG/bundle.json","state_url":"https://pith.science/pith/4EQTNC5YAXXLOPHV76XCO7ABBG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4EQTNC5YAXXLOPHV76XCO7ABBG/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":"2026-06-27T19:45:29Z","links":{"resolver":"https://pith.science/pith/4EQTNC5YAXXLOPHV76XCO7ABBG","bundle":"https://pith.science/pith/4EQTNC5YAXXLOPHV76XCO7ABBG/bundle.json","state":"https://pith.science/pith/4EQTNC5YAXXLOPHV76XCO7ABBG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4EQTNC5YAXXLOPHV76XCO7ABBG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4EQTNC5YAXXLOPHV76XCO7ABBG","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":"d2b416f68fbd15dee4dea24425c819a632d5e145ed931bd67c516742736af1fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2013-08-04T12:32:56Z","title_canon_sha256":"e3cb0690c01b51dd20ae390814dab822bae3152163cb8c683e8131fc34c2bba7"},"schema_version":"1.0","source":{"id":"1308.0802","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.0802","created_at":"2026-05-18T01:21:40Z"},{"alias_kind":"arxiv_version","alias_value":"1308.0802v1","created_at":"2026-05-18T01:21:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.0802","created_at":"2026-05-18T01:21:40Z"},{"alias_kind":"pith_short_12","alias_value":"4EQTNC5YAXXL","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"4EQTNC5YAXXLOPHV","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"4EQTNC5Y","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:10525502a4758315ec6e29a697b14e9f793d5588743886ebf046820a65227d99","target":"graph","created_at":"2026-05-18T01:21:40Z","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":"A Nitche's method is presented to couple non-conforming two and three dimensional NURBS (Non Uniform Rational B-splines) patches in the context of isogeometric analysis (IGA). We present results for elastic stress analyses under the static condition of two and three dimensional NURBS geometries. The contribution fills the gap in the literature and enlarges the applicability of NURBS-based isogeometric analysis.","authors_text":"Elvio Bonisoli, Marco Brino, Pierre Kerfriden, Stephane Bordas, Vinh Phu Nguyen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2013-08-04T12:32:56Z","title":"Nitsche's method for two and three dimensional NURBS patch coupling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.0802","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:adb178062b2f13a65883bcafcc7e94cacff1413bced7228c311d3a5e5e5b393a","target":"record","created_at":"2026-05-18T01:21:40Z","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":"d2b416f68fbd15dee4dea24425c819a632d5e145ed931bd67c516742736af1fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2013-08-04T12:32:56Z","title_canon_sha256":"e3cb0690c01b51dd20ae390814dab822bae3152163cb8c683e8131fc34c2bba7"},"schema_version":"1.0","source":{"id":"1308.0802","kind":"arxiv","version":1}},"canonical_sha256":"e121368bb805eeb73cf5ffae277c0109b79b2a926d859d7b729725777c966c19","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e121368bb805eeb73cf5ffae277c0109b79b2a926d859d7b729725777c966c19","first_computed_at":"2026-05-18T01:21:40.859213Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:40.859213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ljqTa2cimiZn6HsBGLAjvXt0tJfuSNtBhimzvkUaK2ic1sDabTKjjVist3S1Wi0lpxsGqq+md7UVQvnEpHgGBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:40.859813Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.0802","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:adb178062b2f13a65883bcafcc7e94cacff1413bced7228c311d3a5e5e5b393a","sha256:10525502a4758315ec6e29a697b14e9f793d5588743886ebf046820a65227d99"],"state_sha256":"2ace1a1937756f173a24f5b4192b54898c11e0e921143eac73c76a9df949941f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N0V/sjb/0+Yb8VmbwrAYs+4Q85x9iBvtWUOi+KvRjdYc1kGHODmMz25omgSMUlV0gryo2YtZvtskHCnVEuJsBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T19:45:29.158363Z","bundle_sha256":"eec6e4e5fa0c3d713d4ec97941c72090f0070a6f6a092359bac38962778693b8"}}