{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:AZVKAV4YV5TYKIS5KVPZU4QMVD","short_pith_number":"pith:AZVKAV4Y","canonical_record":{"source":{"id":"1611.06436","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2016-11-19T22:11:12Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"e294d217e2b317dd4db4231c90502ddcd731e2089ce73f0f3d4b289fc47c33c9","abstract_canon_sha256":"7e9eec6ffc672c1926e61f55d618bff3635e9b2859a795dc9358734840da9289"},"schema_version":"1.0"},"canonical_sha256":"066aa05798af6785225d555f9a720ca8d0f0f9cf54d7024f5b0511267a897742","source":{"kind":"arxiv","id":"1611.06436","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.06436","created_at":"2026-05-17T23:46:55Z"},{"alias_kind":"arxiv_version","alias_value":"1611.06436v1","created_at":"2026-05-17T23:46:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.06436","created_at":"2026-05-17T23:46:55Z"},{"alias_kind":"pith_short_12","alias_value":"AZVKAV4YV5TY","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"AZVKAV4YV5TYKIS5","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"AZVKAV4Y","created_at":"2026-05-18T12:30:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:AZVKAV4YV5TYKIS5KVPZU4QMVD","target":"record","payload":{"canonical_record":{"source":{"id":"1611.06436","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2016-11-19T22:11:12Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"e294d217e2b317dd4db4231c90502ddcd731e2089ce73f0f3d4b289fc47c33c9","abstract_canon_sha256":"7e9eec6ffc672c1926e61f55d618bff3635e9b2859a795dc9358734840da9289"},"schema_version":"1.0"},"canonical_sha256":"066aa05798af6785225d555f9a720ca8d0f0f9cf54d7024f5b0511267a897742","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:55.798106Z","signature_b64":"IYVGPKeLAkhYD9A41l4SwYJEVUB5rqwqiwW+zNDVWLtGYV9QVm4632pgpg38nbDDPwfutrDfj6x+1ExhsQ5oAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"066aa05798af6785225d555f9a720ca8d0f0f9cf54d7024f5b0511267a897742","last_reissued_at":"2026-05-17T23:46:55.797669Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:55.797669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.06436","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":"2026-05-17T23:46:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Xl9dclOFdRxu0IBMc3Qmh9rdmB4YnnEqEvpPhuwBIEc6oCLL3ID5lzjv7Wv2EFE22/uLD+aT64c5LpfrxaeBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:33:05.146459Z"},"content_sha256":"436c74554325e3d2542947cf6a628ea1b759e2a0b293ec0ee38e10643b17c2f3","schema_version":"1.0","event_id":"sha256:436c74554325e3d2542947cf6a628ea1b759e2a0b293ec0ee38e10643b17c2f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:AZVKAV4YV5TYKIS5KVPZU4QMVD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Geometrically exact beam elements and smooth contact schemes for the modeling of fiber-based materials and structures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"cs.CE","authors_text":"Alexander Popp, Christoph Meier, Maximilian J. Grill, Wolfgang A. Wall","submitted_at":"2016-11-19T22:11:12Z","abstract_excerpt":"Recently, the authors have proposed a novel all-angle beam contact (ABC) formulation that combines the advantages of existing point and line contact models in a variationally consistent manner. However, the ABC formulation has so far only been applied in combination with a special torsion-free beam model, which yields a very simple and efficient finite element formulation, but which is restricted to initially straight beams with isotropic cross-sections. In order to abstain from these restrictions, the current work combines the ABC formulation with a geometrically exact Kirchhoff-Love beam ele"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.06436","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":"2026-05-17T23:46:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"35xiYI4fFRGKSFDBWPQCzJcKOXJ3R9l1A3koN4UyrF3plq+Mf7u57vaIV7MAcKK9qx+sx7LfcW8jsyMDXujMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:33:05.147106Z"},"content_sha256":"26f12a5ea6e440d86bad5cd6de12c92260fe4008b54f17068dd60feb3816bc66","schema_version":"1.0","event_id":"sha256:26f12a5ea6e440d86bad5cd6de12c92260fe4008b54f17068dd60feb3816bc66"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AZVKAV4YV5TYKIS5KVPZU4QMVD/bundle.json","state_url":"https://pith.science/pith/AZVKAV4YV5TYKIS5KVPZU4QMVD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AZVKAV4YV5TYKIS5KVPZU4QMVD/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":"2026-06-02T14:33:05Z","links":{"resolver":"https://pith.science/pith/AZVKAV4YV5TYKIS5KVPZU4QMVD","bundle":"https://pith.science/pith/AZVKAV4YV5TYKIS5KVPZU4QMVD/bundle.json","state":"https://pith.science/pith/AZVKAV4YV5TYKIS5KVPZU4QMVD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AZVKAV4YV5TYKIS5KVPZU4QMVD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:AZVKAV4YV5TYKIS5KVPZU4QMVD","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":"7e9eec6ffc672c1926e61f55d618bff3635e9b2859a795dc9358734840da9289","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2016-11-19T22:11:12Z","title_canon_sha256":"e294d217e2b317dd4db4231c90502ddcd731e2089ce73f0f3d4b289fc47c33c9"},"schema_version":"1.0","source":{"id":"1611.06436","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.06436","created_at":"2026-05-17T23:46:55Z"},{"alias_kind":"arxiv_version","alias_value":"1611.06436v1","created_at":"2026-05-17T23:46:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.06436","created_at":"2026-05-17T23:46:55Z"},{"alias_kind":"pith_short_12","alias_value":"AZVKAV4YV5TY","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"AZVKAV4YV5TYKIS5","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"AZVKAV4Y","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:26f12a5ea6e440d86bad5cd6de12c92260fe4008b54f17068dd60feb3816bc66","target":"graph","created_at":"2026-05-17T23:46:55Z","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":"Recently, the authors have proposed a novel all-angle beam contact (ABC) formulation that combines the advantages of existing point and line contact models in a variationally consistent manner. However, the ABC formulation has so far only been applied in combination with a special torsion-free beam model, which yields a very simple and efficient finite element formulation, but which is restricted to initially straight beams with isotropic cross-sections. In order to abstain from these restrictions, the current work combines the ABC formulation with a geometrically exact Kirchhoff-Love beam ele","authors_text":"Alexander Popp, Christoph Meier, Maximilian J. Grill, Wolfgang A. Wall","cross_cats":["physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2016-11-19T22:11:12Z","title":"Geometrically exact beam elements and smooth contact schemes for the modeling of fiber-based materials and structures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.06436","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":"sha256:436c74554325e3d2542947cf6a628ea1b759e2a0b293ec0ee38e10643b17c2f3","target":"record","created_at":"2026-05-17T23:46:55Z","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":"7e9eec6ffc672c1926e61f55d618bff3635e9b2859a795dc9358734840da9289","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2016-11-19T22:11:12Z","title_canon_sha256":"e294d217e2b317dd4db4231c90502ddcd731e2089ce73f0f3d4b289fc47c33c9"},"schema_version":"1.0","source":{"id":"1611.06436","kind":"arxiv","version":1}},"canonical_sha256":"066aa05798af6785225d555f9a720ca8d0f0f9cf54d7024f5b0511267a897742","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"066aa05798af6785225d555f9a720ca8d0f0f9cf54d7024f5b0511267a897742","first_computed_at":"2026-05-17T23:46:55.797669Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:55.797669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IYVGPKeLAkhYD9A41l4SwYJEVUB5rqwqiwW+zNDVWLtGYV9QVm4632pgpg38nbDDPwfutrDfj6x+1ExhsQ5oAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:55.798106Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.06436","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:436c74554325e3d2542947cf6a628ea1b759e2a0b293ec0ee38e10643b17c2f3","sha256:26f12a5ea6e440d86bad5cd6de12c92260fe4008b54f17068dd60feb3816bc66"],"state_sha256":"5a730145485b2502c8d6d223db3ff2323bd472e934b5aa7101a3139d9c18e067"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hM1KKoyW4NwU28YufFEgYxWF1+VDHmVhSSGlah2cGxdMMjERlUKz2etJZ9cwJkV01uovgu2uCcgqyp4hiucJAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T14:33:05.150094Z","bundle_sha256":"f75146a8361ae64a27ac66914bec61050a35da1fe5a42499dae6244b4800ea48"}}