{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:WBE2VZEXSJRNAAGJYI2WGXRBYB","short_pith_number":"pith:WBE2VZEX","canonical_record":{"source":{"id":"1701.02721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2017-01-10T18:32:53Z","cross_cats_sorted":[],"title_canon_sha256":"88bf575bae32c029dd4164c8a98e6bf9b47a1a3542e990980be2a1dd80526a83","abstract_canon_sha256":"733b2e7e1f82b4a2445f37eda8586db633f452c38ae8e3b47e4903b8a2b0cdf8"},"schema_version":"1.0"},"canonical_sha256":"b049aae4979262d000c9c235635e21c05134bffd5642a418d18f13761b48f95d","source":{"kind":"arxiv","id":"1701.02721","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.02721","created_at":"2026-05-18T00:53:03Z"},{"alias_kind":"arxiv_version","alias_value":"1701.02721v1","created_at":"2026-05-18T00:53:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.02721","created_at":"2026-05-18T00:53:03Z"},{"alias_kind":"pith_short_12","alias_value":"WBE2VZEXSJRN","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WBE2VZEXSJRNAAGJ","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WBE2VZEX","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:WBE2VZEXSJRNAAGJYI2WGXRBYB","target":"record","payload":{"canonical_record":{"source":{"id":"1701.02721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2017-01-10T18:32:53Z","cross_cats_sorted":[],"title_canon_sha256":"88bf575bae32c029dd4164c8a98e6bf9b47a1a3542e990980be2a1dd80526a83","abstract_canon_sha256":"733b2e7e1f82b4a2445f37eda8586db633f452c38ae8e3b47e4903b8a2b0cdf8"},"schema_version":"1.0"},"canonical_sha256":"b049aae4979262d000c9c235635e21c05134bffd5642a418d18f13761b48f95d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:03.571518Z","signature_b64":"CPWsAfj5ffFK1OFvhN3duatVXZNPtQ2ikG4sUBDPH9QZFGBJNbwpwjICK/EhAxryPGPidN/kzQ5BU7V0Kq3tDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b049aae4979262d000c9c235635e21c05134bffd5642a418d18f13761b48f95d","last_reissued_at":"2026-05-18T00:53:03.570864Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:03.570864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.02721","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":"2026-05-18T00:53:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nu/b/LUXkGW+elpfK9cJp0R84OC2o+urymUiuPi4NJMoBQnRIMigsDeigELZlO7ANTM2+4eTSuXQLz7Q7HQqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:41:56.170202Z"},"content_sha256":"a026279b9b5c9ccd1faad127184a2ab5e87f9d9b62735761e4ce9023f058d54b","schema_version":"1.0","event_id":"sha256:a026279b9b5c9ccd1faad127184a2ab5e87f9d9b62735761e4ce9023f058d54b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:WBE2VZEXSJRNAAGJYI2WGXRBYB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"One-dimensional von K\\'arm\\'an models for elastic ribbons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AP","authors_text":"Lorenzo Freddi, Maria Giovanna Mora, Peter Hornung, Roberto Paroni","submitted_at":"2017-01-10T18:32:53Z","abstract_excerpt":"By means of a variational approach we rigorously deduce three one-dimensional models for elastic ribbons from the theory of von K\\'arm\\'an plates, passing to the limit as the width of the plate goes to zero. The one-dimensional model found starting from the \"linearized\" von K\\'arm\\'an energy corresponds to that of a linearly elastic beam that can twist but can deform in just one plane; while the model found from the von K\\'arm\\'an energy is a non-linear model that comprises stretching, bendings, and twisting. The \"constrained\" von K\\'arm\\'an energy, instead, leads to a new Sadowsky type of mod"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.02721","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":"2026-05-18T00:53:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FNBD+1Cu1rpCE/PwwBBQP9DX+HbHUd4WV9ySTx16REdCPLmHmD1vVnfzlbGBAbq/U/TKN8HY1zSxE77yVawjDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:41:56.170861Z"},"content_sha256":"9343192301cc3ea70f4dcfe213dc3bae6f43b080531c8cce6d5b7934df0236d3","schema_version":"1.0","event_id":"sha256:9343192301cc3ea70f4dcfe213dc3bae6f43b080531c8cce6d5b7934df0236d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WBE2VZEXSJRNAAGJYI2WGXRBYB/bundle.json","state_url":"https://pith.science/pith/WBE2VZEXSJRNAAGJYI2WGXRBYB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WBE2VZEXSJRNAAGJYI2WGXRBYB/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":"2026-05-30T02:41:56Z","links":{"resolver":"https://pith.science/pith/WBE2VZEXSJRNAAGJYI2WGXRBYB","bundle":"https://pith.science/pith/WBE2VZEXSJRNAAGJYI2WGXRBYB/bundle.json","state":"https://pith.science/pith/WBE2VZEXSJRNAAGJYI2WGXRBYB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WBE2VZEXSJRNAAGJYI2WGXRBYB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:WBE2VZEXSJRNAAGJYI2WGXRBYB","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":"733b2e7e1f82b4a2445f37eda8586db633f452c38ae8e3b47e4903b8a2b0cdf8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2017-01-10T18:32:53Z","title_canon_sha256":"88bf575bae32c029dd4164c8a98e6bf9b47a1a3542e990980be2a1dd80526a83"},"schema_version":"1.0","source":{"id":"1701.02721","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.02721","created_at":"2026-05-18T00:53:03Z"},{"alias_kind":"arxiv_version","alias_value":"1701.02721v1","created_at":"2026-05-18T00:53:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.02721","created_at":"2026-05-18T00:53:03Z"},{"alias_kind":"pith_short_12","alias_value":"WBE2VZEXSJRN","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WBE2VZEXSJRNAAGJ","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WBE2VZEX","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:9343192301cc3ea70f4dcfe213dc3bae6f43b080531c8cce6d5b7934df0236d3","target":"graph","created_at":"2026-05-18T00:53:03Z","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":"By means of a variational approach we rigorously deduce three one-dimensional models for elastic ribbons from the theory of von K\\'arm\\'an plates, passing to the limit as the width of the plate goes to zero. The one-dimensional model found starting from the \"linearized\" von K\\'arm\\'an energy corresponds to that of a linearly elastic beam that can twist but can deform in just one plane; while the model found from the von K\\'arm\\'an energy is a non-linear model that comprises stretching, bendings, and twisting. The \"constrained\" von K\\'arm\\'an energy, instead, leads to a new Sadowsky type of mod","authors_text":"Lorenzo Freddi, Maria Giovanna Mora, Peter Hornung, Roberto Paroni","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2017-01-10T18:32:53Z","title":"One-dimensional von K\\'arm\\'an models for elastic ribbons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.02721","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:a026279b9b5c9ccd1faad127184a2ab5e87f9d9b62735761e4ce9023f058d54b","target":"record","created_at":"2026-05-18T00:53:03Z","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":"733b2e7e1f82b4a2445f37eda8586db633f452c38ae8e3b47e4903b8a2b0cdf8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2017-01-10T18:32:53Z","title_canon_sha256":"88bf575bae32c029dd4164c8a98e6bf9b47a1a3542e990980be2a1dd80526a83"},"schema_version":"1.0","source":{"id":"1701.02721","kind":"arxiv","version":1}},"canonical_sha256":"b049aae4979262d000c9c235635e21c05134bffd5642a418d18f13761b48f95d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b049aae4979262d000c9c235635e21c05134bffd5642a418d18f13761b48f95d","first_computed_at":"2026-05-18T00:53:03.570864Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:03.570864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CPWsAfj5ffFK1OFvhN3duatVXZNPtQ2ikG4sUBDPH9QZFGBJNbwpwjICK/EhAxryPGPidN/kzQ5BU7V0Kq3tDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:03.571518Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.02721","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a026279b9b5c9ccd1faad127184a2ab5e87f9d9b62735761e4ce9023f058d54b","sha256:9343192301cc3ea70f4dcfe213dc3bae6f43b080531c8cce6d5b7934df0236d3"],"state_sha256":"dd6000f7d3c67e7c49b9d446737dd41079f66aa7518d5ee8e69a9fbb0224939c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ig7FD6U8/nCCh8LIRzAZ6wnrJ1m3aUw5z7DET5jKZplH/GBn+ybOwkEW6JalaqweujFwLVfC1mBTajUNI2S8CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T02:41:56.174056Z","bundle_sha256":"e339ef085163260ec8d944b8864caa05f1eda1506226123cb3873cf79b496a44"}}