{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:PGL74M7JYRCAHQRRP5QGP7HO6U","short_pith_number":"pith:PGL74M7J","canonical_record":{"source":{"id":"1509.04140","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-14T15:17:27Z","cross_cats_sorted":[],"title_canon_sha256":"a1722d7aab6a8024e2abc778e7f36d3c9171999b0ca331f56bade32909f16e13","abstract_canon_sha256":"5a524bdf76913540a806e9bd64718faf12d6c7df3f0d594a5d4eaf24ede18e25"},"schema_version":"1.0"},"canonical_sha256":"7997fe33e9c44403c2317f6067fceef51e15db4b01fa600f07b8d76bd7cf172a","source":{"kind":"arxiv","id":"1509.04140","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.04140","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"arxiv_version","alias_value":"1509.04140v1","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04140","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"pith_short_12","alias_value":"PGL74M7JYRCA","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PGL74M7JYRCAHQRR","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PGL74M7J","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:PGL74M7JYRCAHQRRP5QGP7HO6U","target":"record","payload":{"canonical_record":{"source":{"id":"1509.04140","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-14T15:17:27Z","cross_cats_sorted":[],"title_canon_sha256":"a1722d7aab6a8024e2abc778e7f36d3c9171999b0ca331f56bade32909f16e13","abstract_canon_sha256":"5a524bdf76913540a806e9bd64718faf12d6c7df3f0d594a5d4eaf24ede18e25"},"schema_version":"1.0"},"canonical_sha256":"7997fe33e9c44403c2317f6067fceef51e15db4b01fa600f07b8d76bd7cf172a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:41.399764Z","signature_b64":"dM1ZP7oITJXKCSaOWju9t4T484wdIDwcp+XwairDfk08Jg0dtiiI3Ln/emDH/CXuBZ3B+LzBXI1AbJxO2iYeBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7997fe33e9c44403c2317f6067fceef51e15db4b01fa600f07b8d76bd7cf172a","last_reissued_at":"2026-05-18T00:54:41.399201Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:41.399201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.04140","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":"2026-05-18T00:54:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"29NQMS6EHJoybzJIk2FBkRIaNHZKHY5l01AY+wgspFv4uxdvTVSoRDEkIca2LdfhXgoFXoFwLMc0L2jH4WAOBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T14:16:01.162844Z"},"content_sha256":"c219f47b65dbc7324e25e5aa624c35b8020e7c94ddcb6773500ff7aa1fb0c41f","schema_version":"1.0","event_id":"sha256:c219f47b65dbc7324e25e5aa624c35b8020e7c94ddcb6773500ff7aa1fb0c41f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:PGL74M7JYRCAHQRRP5QGP7HO6U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stability boundaries for wrinkling in highly stretched elastic sheets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Qingdu Li, Timothy J. Healey","submitted_at":"2015-09-14T15:17:27Z","abstract_excerpt":"We determine stability boundaries for the wrinkling of highly uni-directionally stretched, finely thin, rectangular elastic sheets. For a given fine thickness and length, a stability boundary here is a curve in the parameter plane, aspect ratio vs. the macroscopic strain; the values on one side of the boundary are associated with a flat, unwrinkled state, while wrinkled configurations correspond to all values on the other. In our recent work we demonstrated the importance of finite elasticity in the membrane part of such a model in order to capture the correct phenomena. Here we present and co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04140","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":"2026-05-18T00:54:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SSrSX7eWzhLC/Ec3uGd1yjxZaeKUS8eIT8oA28o1ra+xP8j+Ld9B/fKlbvYQRWuZg9dfQ58feoyfmquCzLejDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T14:16:01.163180Z"},"content_sha256":"8030c05189b6fffdc395b31d1e82caa9426a69a26090338a8d3b6bb340542f98","schema_version":"1.0","event_id":"sha256:8030c05189b6fffdc395b31d1e82caa9426a69a26090338a8d3b6bb340542f98"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PGL74M7JYRCAHQRRP5QGP7HO6U/bundle.json","state_url":"https://pith.science/pith/PGL74M7JYRCAHQRRP5QGP7HO6U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PGL74M7JYRCAHQRRP5QGP7HO6U/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":"2026-06-29T14:16:01Z","links":{"resolver":"https://pith.science/pith/PGL74M7JYRCAHQRRP5QGP7HO6U","bundle":"https://pith.science/pith/PGL74M7JYRCAHQRRP5QGP7HO6U/bundle.json","state":"https://pith.science/pith/PGL74M7JYRCAHQRRP5QGP7HO6U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PGL74M7JYRCAHQRRP5QGP7HO6U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PGL74M7JYRCAHQRRP5QGP7HO6U","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":"5a524bdf76913540a806e9bd64718faf12d6c7df3f0d594a5d4eaf24ede18e25","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-14T15:17:27Z","title_canon_sha256":"a1722d7aab6a8024e2abc778e7f36d3c9171999b0ca331f56bade32909f16e13"},"schema_version":"1.0","source":{"id":"1509.04140","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.04140","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"arxiv_version","alias_value":"1509.04140v1","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04140","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"pith_short_12","alias_value":"PGL74M7JYRCA","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PGL74M7JYRCAHQRR","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PGL74M7J","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:8030c05189b6fffdc395b31d1e82caa9426a69a26090338a8d3b6bb340542f98","target":"graph","created_at":"2026-05-18T00:54:41Z","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 determine stability boundaries for the wrinkling of highly uni-directionally stretched, finely thin, rectangular elastic sheets. For a given fine thickness and length, a stability boundary here is a curve in the parameter plane, aspect ratio vs. the macroscopic strain; the values on one side of the boundary are associated with a flat, unwrinkled state, while wrinkled configurations correspond to all values on the other. In our recent work we demonstrated the importance of finite elasticity in the membrane part of such a model in order to capture the correct phenomena. Here we present and co","authors_text":"Qingdu Li, Timothy J. Healey","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-14T15:17:27Z","title":"Stability boundaries for wrinkling in highly stretched elastic sheets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04140","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:c219f47b65dbc7324e25e5aa624c35b8020e7c94ddcb6773500ff7aa1fb0c41f","target":"record","created_at":"2026-05-18T00:54:41Z","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":"5a524bdf76913540a806e9bd64718faf12d6c7df3f0d594a5d4eaf24ede18e25","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-09-14T15:17:27Z","title_canon_sha256":"a1722d7aab6a8024e2abc778e7f36d3c9171999b0ca331f56bade32909f16e13"},"schema_version":"1.0","source":{"id":"1509.04140","kind":"arxiv","version":1}},"canonical_sha256":"7997fe33e9c44403c2317f6067fceef51e15db4b01fa600f07b8d76bd7cf172a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7997fe33e9c44403c2317f6067fceef51e15db4b01fa600f07b8d76bd7cf172a","first_computed_at":"2026-05-18T00:54:41.399201Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:41.399201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dM1ZP7oITJXKCSaOWju9t4T484wdIDwcp+XwairDfk08Jg0dtiiI3Ln/emDH/CXuBZ3B+LzBXI1AbJxO2iYeBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:41.399764Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.04140","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c219f47b65dbc7324e25e5aa624c35b8020e7c94ddcb6773500ff7aa1fb0c41f","sha256:8030c05189b6fffdc395b31d1e82caa9426a69a26090338a8d3b6bb340542f98"],"state_sha256":"87d6bae7ffa9ef02d53213a30773b2e627609a19dcd7eb07664da1d9be9f866b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8H5tsP0NES+ideJZqEbNxjfZSAaqqHtKAztXxiOSQIoFtQhECIPpDXn1LazAzGWp2ZThyhOmN56cN6f8x9V/BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T14:16:01.165083Z","bundle_sha256":"b4c61dffca3219837cb47b245d4548c45f0022cecd081815210f317994fbcab1"}}