{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:HE4YAIBGMLQGHRIEVOF7MLJGOZ","short_pith_number":"pith:HE4YAIBG","canonical_record":{"source":{"id":"2405.04280","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GR","submitted_at":"2024-05-07T12:48:37Z","cross_cats_sorted":[],"title_canon_sha256":"276634191de6ef672225ee4a0c41b86c6fe1326ec46cb52208ed069989acd620","abstract_canon_sha256":"99d2d58b949e62e032b8229ca4c46bbd74568f8c2b45241c514715b329db2724"},"schema_version":"1.0"},"canonical_sha256":"393980202662e063c504ab8bf62d267674b678b2986c48585f616fef92ae9ef8","source":{"kind":"arxiv","id":"2405.04280","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.04280","created_at":"2026-07-05T08:16:34Z"},{"alias_kind":"arxiv_version","alias_value":"2405.04280v1","created_at":"2026-07-05T08:16:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.04280","created_at":"2026-07-05T08:16:34Z"},{"alias_kind":"pith_short_12","alias_value":"HE4YAIBGMLQG","created_at":"2026-07-05T08:16:34Z"},{"alias_kind":"pith_short_16","alias_value":"HE4YAIBGMLQGHRIE","created_at":"2026-07-05T08:16:34Z"},{"alias_kind":"pith_short_8","alias_value":"HE4YAIBG","created_at":"2026-07-05T08:16:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:HE4YAIBGMLQGHRIEVOF7MLJGOZ","target":"record","payload":{"canonical_record":{"source":{"id":"2405.04280","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GR","submitted_at":"2024-05-07T12:48:37Z","cross_cats_sorted":[],"title_canon_sha256":"276634191de6ef672225ee4a0c41b86c6fe1326ec46cb52208ed069989acd620","abstract_canon_sha256":"99d2d58b949e62e032b8229ca4c46bbd74568f8c2b45241c514715b329db2724"},"schema_version":"1.0"},"canonical_sha256":"393980202662e063c504ab8bf62d267674b678b2986c48585f616fef92ae9ef8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:16:34.444560Z","signature_b64":"El31+8/hGRrcabvoVIUxl8tibYPWf6L9Lvj9JfkHFn9M42q+JNrkK8C2/yhmKvcqXkt0JuLNEHwi4of259uLCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"393980202662e063c504ab8bf62d267674b678b2986c48585f616fef92ae9ef8","last_reissued_at":"2026-07-05T08:16:34.444085Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:16:34.444085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.04280","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":"2026-07-05T08:16:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AGcKNbBo/JBsBCu7odZM6og5vczoBfgmpakVEVmI/o9ifuTEfCEAs0rVkhavUJgpgMe9BF31nkrDpuYnDgn0DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T01:02:49.294930Z"},"content_sha256":"2327f705b2f20492aa242dcb77b4b1bfa57b0b0530328c2c2600bd826b744c51","schema_version":"1.0","event_id":"sha256:2327f705b2f20492aa242dcb77b4b1bfa57b0b0530328c2c2600bd826b744c51"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:HE4YAIBGMLQGHRIEVOF7MLJGOZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modal Folding: Discovering Smooth Folding Patterns for Sheet Materials using Strain-Space Modes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.GR","authors_text":"Bernhard Thomaszewski, Pengbin Tang, Roi Poranne, Ronan Hinchet, Stelian Coros","submitted_at":"2024-05-07T12:48:37Z","abstract_excerpt":"Folding can transform mundane objects such as napkins into stunning works of art. However, finding new folding transformations for sheet materials is a challenging problem that requires expertise and real-world experimentation. In this paper, we present Modal Folding -- an automated approach for discovering energetically optimal folding transformations, i.e., large deformations that require little mechanical work. For small deformations, minimizing internal energy for fixed displacement magnitudes leads to the well-known elastic eigenmodes. While linear modes provide promising directions for b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.04280","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2405.04280/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:16:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dg1gA6wWk2k3X8RxR/pKQ7f7QdDiQeDCvKOhGso4oAW0G1MHHBwCQo0URcgHvNz0oWFC1kGDZu9tc2Ydn6NQDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T01:02:49.295289Z"},"content_sha256":"1a43ebef2a4322a956368a0211947d7be4ea0fe4717c6cce38462c2e063bbd75","schema_version":"1.0","event_id":"sha256:1a43ebef2a4322a956368a0211947d7be4ea0fe4717c6cce38462c2e063bbd75"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HE4YAIBGMLQGHRIEVOF7MLJGOZ/bundle.json","state_url":"https://pith.science/pith/HE4YAIBGMLQGHRIEVOF7MLJGOZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HE4YAIBGMLQGHRIEVOF7MLJGOZ/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":"2026-07-07T01:02:49Z","links":{"resolver":"https://pith.science/pith/HE4YAIBGMLQGHRIEVOF7MLJGOZ","bundle":"https://pith.science/pith/HE4YAIBGMLQGHRIEVOF7MLJGOZ/bundle.json","state":"https://pith.science/pith/HE4YAIBGMLQGHRIEVOF7MLJGOZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HE4YAIBGMLQGHRIEVOF7MLJGOZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:HE4YAIBGMLQGHRIEVOF7MLJGOZ","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":"99d2d58b949e62e032b8229ca4c46bbd74568f8c2b45241c514715b329db2724","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GR","submitted_at":"2024-05-07T12:48:37Z","title_canon_sha256":"276634191de6ef672225ee4a0c41b86c6fe1326ec46cb52208ed069989acd620"},"schema_version":"1.0","source":{"id":"2405.04280","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.04280","created_at":"2026-07-05T08:16:34Z"},{"alias_kind":"arxiv_version","alias_value":"2405.04280v1","created_at":"2026-07-05T08:16:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.04280","created_at":"2026-07-05T08:16:34Z"},{"alias_kind":"pith_short_12","alias_value":"HE4YAIBGMLQG","created_at":"2026-07-05T08:16:34Z"},{"alias_kind":"pith_short_16","alias_value":"HE4YAIBGMLQGHRIE","created_at":"2026-07-05T08:16:34Z"},{"alias_kind":"pith_short_8","alias_value":"HE4YAIBG","created_at":"2026-07-05T08:16:34Z"}],"graph_snapshots":[{"event_id":"sha256:1a43ebef2a4322a956368a0211947d7be4ea0fe4717c6cce38462c2e063bbd75","target":"graph","created_at":"2026-07-05T08:16:34Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2405.04280/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Folding can transform mundane objects such as napkins into stunning works of art. However, finding new folding transformations for sheet materials is a challenging problem that requires expertise and real-world experimentation. In this paper, we present Modal Folding -- an automated approach for discovering energetically optimal folding transformations, i.e., large deformations that require little mechanical work. For small deformations, minimizing internal energy for fixed displacement magnitudes leads to the well-known elastic eigenmodes. While linear modes provide promising directions for b","authors_text":"Bernhard Thomaszewski, Pengbin Tang, Roi Poranne, Ronan Hinchet, Stelian Coros","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GR","submitted_at":"2024-05-07T12:48:37Z","title":"Modal Folding: Discovering Smooth Folding Patterns for Sheet Materials using Strain-Space Modes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.04280","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":"sha256:2327f705b2f20492aa242dcb77b4b1bfa57b0b0530328c2c2600bd826b744c51","target":"record","created_at":"2026-07-05T08:16:34Z","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":"99d2d58b949e62e032b8229ca4c46bbd74568f8c2b45241c514715b329db2724","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.GR","submitted_at":"2024-05-07T12:48:37Z","title_canon_sha256":"276634191de6ef672225ee4a0c41b86c6fe1326ec46cb52208ed069989acd620"},"schema_version":"1.0","source":{"id":"2405.04280","kind":"arxiv","version":1}},"canonical_sha256":"393980202662e063c504ab8bf62d267674b678b2986c48585f616fef92ae9ef8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"393980202662e063c504ab8bf62d267674b678b2986c48585f616fef92ae9ef8","first_computed_at":"2026-07-05T08:16:34.444085Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:16:34.444085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"El31+8/hGRrcabvoVIUxl8tibYPWf6L9Lvj9JfkHFn9M42q+JNrkK8C2/yhmKvcqXkt0JuLNEHwi4of259uLCA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:16:34.444560Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.04280","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2327f705b2f20492aa242dcb77b4b1bfa57b0b0530328c2c2600bd826b744c51","sha256:1a43ebef2a4322a956368a0211947d7be4ea0fe4717c6cce38462c2e063bbd75"],"state_sha256":"9979e59397f6721a861376d2472b60916298a211700ea6f864ade8b4b9a3fc93"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jn7ZQO2xA5dhlXAQy38D+RCTo+EFbAY7+bnqJ2zypwGHg8AbFrMxCkCJVA48eFIAggy+IKkzVS+y+vzRwCsdAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T01:02:49.297264Z","bundle_sha256":"277d4e715a653c567f69ff4d19d70d978fee5d4909b541001cee97fd1c3acea8"}}