{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4EZHIZC5YPOW4RNHHEO5WYVZU4","short_pith_number":"pith:4EZHIZC5","canonical_record":{"source":{"id":"1307.5917","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-07-23T00:58:22Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"fbd08739ecd88ae0cbb3fd8aa8a3f61d130f92dbdbc6e5c379565568695bbde4","abstract_canon_sha256":"8e131375884b820e7f568e6ca03a8fb7d8e968161584f1bf4654284d1ca12de2"},"schema_version":"1.0"},"canonical_sha256":"e13274645dc3dd6e45a7391ddb62b9a7138cbf8c463afbc79a8f0b035f0a2dc4","source":{"kind":"arxiv","id":"1307.5917","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.5917","created_at":"2026-05-18T03:17:45Z"},{"alias_kind":"arxiv_version","alias_value":"1307.5917v1","created_at":"2026-05-18T03:17:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.5917","created_at":"2026-05-18T03:17:45Z"},{"alias_kind":"pith_short_12","alias_value":"4EZHIZC5YPOW","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"4EZHIZC5YPOW4RNH","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"4EZHIZC5","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4EZHIZC5YPOW4RNHHEO5WYVZU4","target":"record","payload":{"canonical_record":{"source":{"id":"1307.5917","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-07-23T00:58:22Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"fbd08739ecd88ae0cbb3fd8aa8a3f61d130f92dbdbc6e5c379565568695bbde4","abstract_canon_sha256":"8e131375884b820e7f568e6ca03a8fb7d8e968161584f1bf4654284d1ca12de2"},"schema_version":"1.0"},"canonical_sha256":"e13274645dc3dd6e45a7391ddb62b9a7138cbf8c463afbc79a8f0b035f0a2dc4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:17:45.805650Z","signature_b64":"zqwM0O987XaaEU8kaf1MpaBxuSICn0lYXO22uWv9SpaiPfCX2khLkvuRZxppo3DuWhOzTlymSQkVsL2JI+2ZCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e13274645dc3dd6e45a7391ddb62b9a7138cbf8c463afbc79a8f0b035f0a2dc4","last_reissued_at":"2026-05-18T03:17:45.805019Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:17:45.805019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.5917","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":"2026-05-18T03:17:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"geP4PVWA+lDFrA72i4oXZQT1Vomq7ngxcGFwQ8a7sEhhLo3SdvIrzFKVXHImjWnkiDJ9CsYCrHekHeLrbBidAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T19:57:59.806596Z"},"content_sha256":"aa7c125adcb168cd61cb7bccabd6ebc236d249e072375692ddb744c8fe1143b1","schema_version":"1.0","event_id":"sha256:aa7c125adcb168cd61cb7bccabd6ebc236d249e072375692ddb744c8fe1143b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4EZHIZC5YPOW4RNHHEO5WYVZU4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analytical quantitative description of wide plate U-free bend process of intelligent control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.class-ph","authors_text":"Chun-jian Su, Su-min Guo, Wei-wei Wang","submitted_at":"2013-07-23T00:58:22Z","abstract_excerpt":"According to flexure theory of plate, on the premise of plane deformation assumption, an analytic model of U-free bend theory is proposed in this paper, which considered the harden, anisotropy and elastic deformation of material. Then the theoretical analysis on U-free bending of wide plate is made, the change rules of bending force with bending stroke and formula of target angularity are obtained, the various factors affecting bending force and rebound are analyzed. Furthermore, theoretical calculation and experiment and simulation results are compared, which provided theoretical basis for id"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.5917","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":"2026-05-18T03:17:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PWaWQb12M26SHAxqVbI4n9f5SyTVZ0QFCHj66KrmRPGfr7Mrf4xU0KxUR5jUs/OBU4IChuz2LmofvG4Byqs/BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T19:57:59.806946Z"},"content_sha256":"da625673fad25b068fe56766c527025f7f64ac14f7215b36c5166352e611d540","schema_version":"1.0","event_id":"sha256:da625673fad25b068fe56766c527025f7f64ac14f7215b36c5166352e611d540"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4EZHIZC5YPOW4RNHHEO5WYVZU4/bundle.json","state_url":"https://pith.science/pith/4EZHIZC5YPOW4RNHHEO5WYVZU4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4EZHIZC5YPOW4RNHHEO5WYVZU4/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":"2026-06-21T19:57:59Z","links":{"resolver":"https://pith.science/pith/4EZHIZC5YPOW4RNHHEO5WYVZU4","bundle":"https://pith.science/pith/4EZHIZC5YPOW4RNHHEO5WYVZU4/bundle.json","state":"https://pith.science/pith/4EZHIZC5YPOW4RNHHEO5WYVZU4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4EZHIZC5YPOW4RNHHEO5WYVZU4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4EZHIZC5YPOW4RNHHEO5WYVZU4","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":"8e131375884b820e7f568e6ca03a8fb7d8e968161584f1bf4654284d1ca12de2","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-07-23T00:58:22Z","title_canon_sha256":"fbd08739ecd88ae0cbb3fd8aa8a3f61d130f92dbdbc6e5c379565568695bbde4"},"schema_version":"1.0","source":{"id":"1307.5917","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.5917","created_at":"2026-05-18T03:17:45Z"},{"alias_kind":"arxiv_version","alias_value":"1307.5917v1","created_at":"2026-05-18T03:17:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.5917","created_at":"2026-05-18T03:17:45Z"},{"alias_kind":"pith_short_12","alias_value":"4EZHIZC5YPOW","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"4EZHIZC5YPOW4RNH","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"4EZHIZC5","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:da625673fad25b068fe56766c527025f7f64ac14f7215b36c5166352e611d540","target":"graph","created_at":"2026-05-18T03:17:45Z","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":"According to flexure theory of plate, on the premise of plane deformation assumption, an analytic model of U-free bend theory is proposed in this paper, which considered the harden, anisotropy and elastic deformation of material. Then the theoretical analysis on U-free bending of wide plate is made, the change rules of bending force with bending stroke and formula of target angularity are obtained, the various factors affecting bending force and rebound are analyzed. Furthermore, theoretical calculation and experiment and simulation results are compared, which provided theoretical basis for id","authors_text":"Chun-jian Su, Su-min Guo, Wei-wei Wang","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-07-23T00:58:22Z","title":"Analytical quantitative description of wide plate U-free bend process of intelligent control"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.5917","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:aa7c125adcb168cd61cb7bccabd6ebc236d249e072375692ddb744c8fe1143b1","target":"record","created_at":"2026-05-18T03:17:45Z","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":"8e131375884b820e7f568e6ca03a8fb7d8e968161584f1bf4654284d1ca12de2","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2013-07-23T00:58:22Z","title_canon_sha256":"fbd08739ecd88ae0cbb3fd8aa8a3f61d130f92dbdbc6e5c379565568695bbde4"},"schema_version":"1.0","source":{"id":"1307.5917","kind":"arxiv","version":1}},"canonical_sha256":"e13274645dc3dd6e45a7391ddb62b9a7138cbf8c463afbc79a8f0b035f0a2dc4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e13274645dc3dd6e45a7391ddb62b9a7138cbf8c463afbc79a8f0b035f0a2dc4","first_computed_at":"2026-05-18T03:17:45.805019Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:17:45.805019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zqwM0O987XaaEU8kaf1MpaBxuSICn0lYXO22uWv9SpaiPfCX2khLkvuRZxppo3DuWhOzTlymSQkVsL2JI+2ZCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:17:45.805650Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.5917","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa7c125adcb168cd61cb7bccabd6ebc236d249e072375692ddb744c8fe1143b1","sha256:da625673fad25b068fe56766c527025f7f64ac14f7215b36c5166352e611d540"],"state_sha256":"e046bb32f191be1365cd44843b9f030da802604a22a66f6606bb16762c861809"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LencZmHcNP77Tdmatyn5onsLrna9w4dLicmcOn5Kc1RrCA3yXVSwZGKjqL/dQKxNG4b4ICGq6M/S/X4CcseYCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T19:57:59.808936Z","bundle_sha256":"797c5d2e99a144810b56859f75ed84f86ccb9ba5f4d97ddd084f9646a363cc36"}}