{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:IFURBYBWFXEZCD3VWZEBKNUZRA","short_pith_number":"pith:IFURBYBW","canonical_record":{"source":{"id":"1804.08522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-04-23T15:51:48Z","cross_cats_sorted":[],"title_canon_sha256":"f38ccf888c5887ac3f4dd5d928d5671a01d7e13e1e6a45e7ccba28dc7a5ca05c","abstract_canon_sha256":"3ca5caa1a2baeb530e798a63d737779ac6067f2c86d4c27aedb1987a6dca3210"},"schema_version":"1.0"},"canonical_sha256":"416910e0362dc9910f75b648153699883d9d5aa713e9d177e26865f8647147fe","source":{"kind":"arxiv","id":"1804.08522","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08522","created_at":"2026-05-18T00:11:05Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08522v1","created_at":"2026-05-18T00:11:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08522","created_at":"2026-05-18T00:11:05Z"},{"alias_kind":"pith_short_12","alias_value":"IFURBYBWFXEZ","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"IFURBYBWFXEZCD3V","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"IFURBYBW","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:IFURBYBWFXEZCD3VWZEBKNUZRA","target":"record","payload":{"canonical_record":{"source":{"id":"1804.08522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-04-23T15:51:48Z","cross_cats_sorted":[],"title_canon_sha256":"f38ccf888c5887ac3f4dd5d928d5671a01d7e13e1e6a45e7ccba28dc7a5ca05c","abstract_canon_sha256":"3ca5caa1a2baeb530e798a63d737779ac6067f2c86d4c27aedb1987a6dca3210"},"schema_version":"1.0"},"canonical_sha256":"416910e0362dc9910f75b648153699883d9d5aa713e9d177e26865f8647147fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:05.271422Z","signature_b64":"j6ctKVfqJy3DF4Pv9WrjdCOVe9DBZs5vWW+BIDAfjp83j7tS6dik4sWdbBB6XCgOGjJ2WypjBwJfok7RcIilCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"416910e0362dc9910f75b648153699883d9d5aa713e9d177e26865f8647147fe","last_reissued_at":"2026-05-18T00:11:05.270580Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:05.270580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.08522","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":"2026-05-18T00:11:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KIC6zGoeAaaM0AoFTZxTPbw8vWz57CJSQsFY1Qun79auQzrt+aIiFCEji9DXBDILIAyRLyuvVBvBufl+0pulCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T05:19:47.788054Z"},"content_sha256":"f5f5395654ba4900085eaa7a6d7537837e1a48ef6956c9a1e435990771c02882","schema_version":"1.0","event_id":"sha256:f5f5395654ba4900085eaa7a6d7537837e1a48ef6956c9a1e435990771c02882"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:IFURBYBWFXEZCD3VWZEBKNUZRA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cylinder morphology of a stretched and twisted ribbon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Huy Pham Dinh, Pascal Damman, Vincent D\\'emery","submitted_at":"2018-04-23T15:51:48Z","abstract_excerpt":"A rich zoology of shapes emerges from a simple stretched and twisted elastic ribbon. Despite a lot of interest, all these shape are not understood, in particular the shape that prevails at large tension and twist and that emerges from a transverse instability of the helicoid. Here, we propose a simple description for this cylindrical shape. By comparing its energy to the energy of other configurations, we are able to determine its location on the phase diagram. The theoretical predictions are in good agreement with our experimental results."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08522","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":"2026-05-18T00:11:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bf/y235jMW1DhE0CauJPTiWe7e5cuD3kcokhCbXzolFQEdfYx93BB8ZcpmO6YFc9iAjEtGey+19mioAYvBCECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T05:19:47.788912Z"},"content_sha256":"5d199bc6ae00b41b630062908eb42e7e1f0b44ce4193c5aa2fd2d283dc330e20","schema_version":"1.0","event_id":"sha256:5d199bc6ae00b41b630062908eb42e7e1f0b44ce4193c5aa2fd2d283dc330e20"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IFURBYBWFXEZCD3VWZEBKNUZRA/bundle.json","state_url":"https://pith.science/pith/IFURBYBWFXEZCD3VWZEBKNUZRA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IFURBYBWFXEZCD3VWZEBKNUZRA/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":"2026-06-04T05:19:47Z","links":{"resolver":"https://pith.science/pith/IFURBYBWFXEZCD3VWZEBKNUZRA","bundle":"https://pith.science/pith/IFURBYBWFXEZCD3VWZEBKNUZRA/bundle.json","state":"https://pith.science/pith/IFURBYBWFXEZCD3VWZEBKNUZRA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IFURBYBWFXEZCD3VWZEBKNUZRA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IFURBYBWFXEZCD3VWZEBKNUZRA","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":"3ca5caa1a2baeb530e798a63d737779ac6067f2c86d4c27aedb1987a6dca3210","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-04-23T15:51:48Z","title_canon_sha256":"f38ccf888c5887ac3f4dd5d928d5671a01d7e13e1e6a45e7ccba28dc7a5ca05c"},"schema_version":"1.0","source":{"id":"1804.08522","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08522","created_at":"2026-05-18T00:11:05Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08522v1","created_at":"2026-05-18T00:11:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08522","created_at":"2026-05-18T00:11:05Z"},{"alias_kind":"pith_short_12","alias_value":"IFURBYBWFXEZ","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"IFURBYBWFXEZCD3V","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"IFURBYBW","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:5d199bc6ae00b41b630062908eb42e7e1f0b44ce4193c5aa2fd2d283dc330e20","target":"graph","created_at":"2026-05-18T00:11:05Z","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 rich zoology of shapes emerges from a simple stretched and twisted elastic ribbon. Despite a lot of interest, all these shape are not understood, in particular the shape that prevails at large tension and twist and that emerges from a transverse instability of the helicoid. Here, we propose a simple description for this cylindrical shape. By comparing its energy to the energy of other configurations, we are able to determine its location on the phase diagram. The theoretical predictions are in good agreement with our experimental results.","authors_text":"Huy Pham Dinh, Pascal Damman, Vincent D\\'emery","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-04-23T15:51:48Z","title":"Cylinder morphology of a stretched and twisted ribbon"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08522","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:f5f5395654ba4900085eaa7a6d7537837e1a48ef6956c9a1e435990771c02882","target":"record","created_at":"2026-05-18T00:11:05Z","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":"3ca5caa1a2baeb530e798a63d737779ac6067f2c86d4c27aedb1987a6dca3210","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2018-04-23T15:51:48Z","title_canon_sha256":"f38ccf888c5887ac3f4dd5d928d5671a01d7e13e1e6a45e7ccba28dc7a5ca05c"},"schema_version":"1.0","source":{"id":"1804.08522","kind":"arxiv","version":1}},"canonical_sha256":"416910e0362dc9910f75b648153699883d9d5aa713e9d177e26865f8647147fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"416910e0362dc9910f75b648153699883d9d5aa713e9d177e26865f8647147fe","first_computed_at":"2026-05-18T00:11:05.270580Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:11:05.270580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j6ctKVfqJy3DF4Pv9WrjdCOVe9DBZs5vWW+BIDAfjp83j7tS6dik4sWdbBB6XCgOGjJ2WypjBwJfok7RcIilCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:11:05.271422Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.08522","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5f5395654ba4900085eaa7a6d7537837e1a48ef6956c9a1e435990771c02882","sha256:5d199bc6ae00b41b630062908eb42e7e1f0b44ce4193c5aa2fd2d283dc330e20"],"state_sha256":"239263ab42647dc7ab4d1ef160897ea3146ac85a711841281b9b244d496fe899"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hoxeQysgfDIjA+aJCKytluercSDyx2nzQIwolF8cxMlcgYwbsdgzRDioEsomDPIIoOH0hUXEux+jmkSYFhJMBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T05:19:47.792991Z","bundle_sha256":"2cc7cf0522d4267fa3cc249f6682b18adae7c30d12a8b7d0eb56dea78467e017"}}