{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:NBEBZSYGXFNLOTD5W4UAKNVEUR","short_pith_number":"pith:NBEBZSYG","canonical_record":{"source":{"id":"1907.10135","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-07-23T21:15:47Z","cross_cats_sorted":[],"title_canon_sha256":"9fa130036d533ba50037bc96aac94c14f87c3121fa6d3fac4c37cfce310817ea","abstract_canon_sha256":"8102ad1bf733fa0d690eaa74681c9f394387892830efbda746a62874a86279c3"},"schema_version":"1.0"},"canonical_sha256":"68481ccb06b95ab74c7db7280536a4a44f10aedbd41933c92616601a7b2cc375","source":{"kind":"arxiv","id":"1907.10135","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.10135","created_at":"2026-05-17T23:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"1907.10135v1","created_at":"2026-05-17T23:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.10135","created_at":"2026-05-17T23:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"NBEBZSYGXFNL","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"NBEBZSYGXFNLOTD5","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"NBEBZSYG","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:NBEBZSYGXFNLOTD5W4UAKNVEUR","target":"record","payload":{"canonical_record":{"source":{"id":"1907.10135","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-07-23T21:15:47Z","cross_cats_sorted":[],"title_canon_sha256":"9fa130036d533ba50037bc96aac94c14f87c3121fa6d3fac4c37cfce310817ea","abstract_canon_sha256":"8102ad1bf733fa0d690eaa74681c9f394387892830efbda746a62874a86279c3"},"schema_version":"1.0"},"canonical_sha256":"68481ccb06b95ab74c7db7280536a4a44f10aedbd41933c92616601a7b2cc375","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:38.959285Z","signature_b64":"qJglALtjJn8IabG1d90PlzQgRVsI2eooUT0ya9Djyt5CHzmNKbIFUj1J+CwlTlyW8QjDQrcQgUTa9hcoQteDAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68481ccb06b95ab74c7db7280536a4a44f10aedbd41933c92616601a7b2cc375","last_reissued_at":"2026-05-17T23:39:38.958702Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:38.958702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.10135","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":"2026-05-17T23:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IFvtgbx0/vM0FAcmtAq5UrlqlRXnCelUcBiEjP0sEBMu/NuOftHrStebWcD9jBdOnRZoJ8kfKAHDW+dZO7fMAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T12:05:44.818432Z"},"content_sha256":"c69417eaa621b68fdef6b06d5b97c233767e1b9a2265f2b6fc3486e5bcd5adae","schema_version":"1.0","event_id":"sha256:c69417eaa621b68fdef6b06d5b97c233767e1b9a2265f2b6fc3486e5bcd5adae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:NBEBZSYGXFNLOTD5W4UAKNVEUR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Study on the Multi-axial Fatigue Failure Behavior of Notched Composite Laminates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Antonio Alessandro Deleo, Marco Salviato, Yao Qiao","submitted_at":"2019-07-23T21:15:47Z","abstract_excerpt":"Composite structures must endure a great variety of multi-axial stress states during their lifespan while guaranteeing their structural integrity and functional performance. Understanding the fatigue behavior of these materials, especially in the presence of notches that are ubiquitous in structural design, lies at the hearth of this study which presents a comprehensive investigation of the fracturing behavior of notched quasi-isotropic [+45/90/$-$45/0]$_{s}$ and cross-ply [0/90]$_{2s}$ laminates under multi-axial quasi-static and fatigue loading.\n  The investigation of the S-N curves and stif"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.10135","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":"2026-05-17T23:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I8qk4t7SBGA9RMot7G7YWvWtRzH53NzHhRr6gTaSGCcUuhIP7z48fpf8Cxw1XR+L8jzz6QqDb7fuOM3504rKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T12:05:44.818777Z"},"content_sha256":"91c0c85e61cab7beceb3ab891c2018009ca091627170aa432aab86cb8e0f7283","schema_version":"1.0","event_id":"sha256:91c0c85e61cab7beceb3ab891c2018009ca091627170aa432aab86cb8e0f7283"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NBEBZSYGXFNLOTD5W4UAKNVEUR/bundle.json","state_url":"https://pith.science/pith/NBEBZSYGXFNLOTD5W4UAKNVEUR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NBEBZSYGXFNLOTD5W4UAKNVEUR/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":"2026-06-04T12:05:44Z","links":{"resolver":"https://pith.science/pith/NBEBZSYGXFNLOTD5W4UAKNVEUR","bundle":"https://pith.science/pith/NBEBZSYGXFNLOTD5W4UAKNVEUR/bundle.json","state":"https://pith.science/pith/NBEBZSYGXFNLOTD5W4UAKNVEUR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NBEBZSYGXFNLOTD5W4UAKNVEUR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NBEBZSYGXFNLOTD5W4UAKNVEUR","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":"8102ad1bf733fa0d690eaa74681c9f394387892830efbda746a62874a86279c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-07-23T21:15:47Z","title_canon_sha256":"9fa130036d533ba50037bc96aac94c14f87c3121fa6d3fac4c37cfce310817ea"},"schema_version":"1.0","source":{"id":"1907.10135","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.10135","created_at":"2026-05-17T23:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"1907.10135v1","created_at":"2026-05-17T23:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.10135","created_at":"2026-05-17T23:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"NBEBZSYGXFNL","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"NBEBZSYGXFNLOTD5","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"NBEBZSYG","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:91c0c85e61cab7beceb3ab891c2018009ca091627170aa432aab86cb8e0f7283","target":"graph","created_at":"2026-05-17T23:39:38Z","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":"Composite structures must endure a great variety of multi-axial stress states during their lifespan while guaranteeing their structural integrity and functional performance. Understanding the fatigue behavior of these materials, especially in the presence of notches that are ubiquitous in structural design, lies at the hearth of this study which presents a comprehensive investigation of the fracturing behavior of notched quasi-isotropic [+45/90/$-$45/0]$_{s}$ and cross-ply [0/90]$_{2s}$ laminates under multi-axial quasi-static and fatigue loading.\n  The investigation of the S-N curves and stif","authors_text":"Antonio Alessandro Deleo, Marco Salviato, Yao Qiao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-07-23T21:15:47Z","title":"A Study on the Multi-axial Fatigue Failure Behavior of Notched Composite Laminates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.10135","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:c69417eaa621b68fdef6b06d5b97c233767e1b9a2265f2b6fc3486e5bcd5adae","target":"record","created_at":"2026-05-17T23:39:38Z","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":"8102ad1bf733fa0d690eaa74681c9f394387892830efbda746a62874a86279c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-07-23T21:15:47Z","title_canon_sha256":"9fa130036d533ba50037bc96aac94c14f87c3121fa6d3fac4c37cfce310817ea"},"schema_version":"1.0","source":{"id":"1907.10135","kind":"arxiv","version":1}},"canonical_sha256":"68481ccb06b95ab74c7db7280536a4a44f10aedbd41933c92616601a7b2cc375","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68481ccb06b95ab74c7db7280536a4a44f10aedbd41933c92616601a7b2cc375","first_computed_at":"2026-05-17T23:39:38.958702Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:38.958702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qJglALtjJn8IabG1d90PlzQgRVsI2eooUT0ya9Djyt5CHzmNKbIFUj1J+CwlTlyW8QjDQrcQgUTa9hcoQteDAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:38.959285Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.10135","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c69417eaa621b68fdef6b06d5b97c233767e1b9a2265f2b6fc3486e5bcd5adae","sha256:91c0c85e61cab7beceb3ab891c2018009ca091627170aa432aab86cb8e0f7283"],"state_sha256":"f5176c7efa7e0be2670f5026f823095d07728b70883dcf00ed494b59691438a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M+uE6tu8JK/KV2xSfy/4kQhQkZDLOSSZEyg6jlZvcHXuzB6NhPLNBHglKxuIQgVT+uzVhl2GNp7YllSEy4IIBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T12:05:44.821118Z","bundle_sha256":"0895c3c1564f4cf2e968a52a8c795fb447a3fb3cd9ad034ccbd434b2852e4669"}}