{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:M2IASZ4U5ER2FFLDOT5CRGW5IE","short_pith_number":"pith:M2IASZ4U","canonical_record":{"source":{"id":"1808.10008","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-08-18T00:36:47Z","cross_cats_sorted":[],"title_canon_sha256":"0362e4728facb960ff876268ab41c599ec3af4cd465bd431d9f72fa86a469ebc","abstract_canon_sha256":"6531284fce05f8ea35e14e6745e6a140f332f9ff80aa7c8c061729e752088702"},"schema_version":"1.0"},"canonical_sha256":"6690096794e923a2956374fa289add412e78d5c5ca1897a8d3b4e240da841800","source":{"kind":"arxiv","id":"1808.10008","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.10008","created_at":"2026-05-18T00:06:28Z"},{"alias_kind":"arxiv_version","alias_value":"1808.10008v2","created_at":"2026-05-18T00:06:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.10008","created_at":"2026-05-18T00:06:28Z"},{"alias_kind":"pith_short_12","alias_value":"M2IASZ4U5ER2","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"M2IASZ4U5ER2FFLD","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"M2IASZ4U","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:M2IASZ4U5ER2FFLDOT5CRGW5IE","target":"record","payload":{"canonical_record":{"source":{"id":"1808.10008","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-08-18T00:36:47Z","cross_cats_sorted":[],"title_canon_sha256":"0362e4728facb960ff876268ab41c599ec3af4cd465bd431d9f72fa86a469ebc","abstract_canon_sha256":"6531284fce05f8ea35e14e6745e6a140f332f9ff80aa7c8c061729e752088702"},"schema_version":"1.0"},"canonical_sha256":"6690096794e923a2956374fa289add412e78d5c5ca1897a8d3b4e240da841800","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:28.370231Z","signature_b64":"3ZPfB1nBscaGn7q12rLPjOZWH+iEAtAoKKeej4BI5hNMiAtp1cdFSKWTiteyNoVyj/XDENEbAP1OFuM0BaaiDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6690096794e923a2956374fa289add412e78d5c5ca1897a8d3b4e240da841800","last_reissued_at":"2026-05-18T00:06:28.369579Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:28.369579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.10008","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:06:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JIL3tvlyFzJt7e5xoJKDEaGfoxQ7/RVk3J25/HH64rrIMuHmeOM5RdiAOD03cLOisS+TXyw7DjescrrZjUJfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:35:33.870804Z"},"content_sha256":"931661def1f610c4b97d34c335efc1c017ea1cc19670d694c5ebbc89c77c438f","schema_version":"1.0","event_id":"sha256:931661def1f610c4b97d34c335efc1c017ea1cc19670d694c5ebbc89c77c438f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:M2IASZ4U5ER2FFLDOT5CRGW5IE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Experimental Study on Shear and Flexural Strengthening of Concrete Beams Using GFRP Composites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Hana Takhtfirouzeh, Mohammad Rashidi","submitted_at":"2018-08-18T00:36:47Z","abstract_excerpt":"Maintaining and restoring buildings has nowadays gained special importance due to its high cost. Various different methods have been presented regarding this matter due to the above-mentioned reason and also the ever-growing demand for the engineers and the building-industry specialists for strengthening, restoring, and improving the concrete structures. The effect of FRP sheets on shear and flexural strengthening of simple concrete beams has been examined in this research. Four concrete beams containing concrete were constructed with a similar cross section and length and a common resistance "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.10008","kind":"arxiv","version":2},"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":"2026-05-18T00:06:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VT44l40QYLVTIWY8sGAbatwOeodEQntO8Fh8ggDukA54jI0ePzZjkHfOYSwjfvfJR+gtTkmeZr7ljpNhlC8XAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:35:33.871622Z"},"content_sha256":"b92e28d783bed9e1c24271172d53c354a1c26bc403a43d6e9e0eeb470294670e","schema_version":"1.0","event_id":"sha256:b92e28d783bed9e1c24271172d53c354a1c26bc403a43d6e9e0eeb470294670e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M2IASZ4U5ER2FFLDOT5CRGW5IE/bundle.json","state_url":"https://pith.science/pith/M2IASZ4U5ER2FFLDOT5CRGW5IE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M2IASZ4U5ER2FFLDOT5CRGW5IE/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":"2026-05-31T01:35:33Z","links":{"resolver":"https://pith.science/pith/M2IASZ4U5ER2FFLDOT5CRGW5IE","bundle":"https://pith.science/pith/M2IASZ4U5ER2FFLDOT5CRGW5IE/bundle.json","state":"https://pith.science/pith/M2IASZ4U5ER2FFLDOT5CRGW5IE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M2IASZ4U5ER2FFLDOT5CRGW5IE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:M2IASZ4U5ER2FFLDOT5CRGW5IE","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":"6531284fce05f8ea35e14e6745e6a140f332f9ff80aa7c8c061729e752088702","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-08-18T00:36:47Z","title_canon_sha256":"0362e4728facb960ff876268ab41c599ec3af4cd465bd431d9f72fa86a469ebc"},"schema_version":"1.0","source":{"id":"1808.10008","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.10008","created_at":"2026-05-18T00:06:28Z"},{"alias_kind":"arxiv_version","alias_value":"1808.10008v2","created_at":"2026-05-18T00:06:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.10008","created_at":"2026-05-18T00:06:28Z"},{"alias_kind":"pith_short_12","alias_value":"M2IASZ4U5ER2","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"M2IASZ4U5ER2FFLD","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"M2IASZ4U","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:b92e28d783bed9e1c24271172d53c354a1c26bc403a43d6e9e0eeb470294670e","target":"graph","created_at":"2026-05-18T00:06:28Z","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":"Maintaining and restoring buildings has nowadays gained special importance due to its high cost. Various different methods have been presented regarding this matter due to the above-mentioned reason and also the ever-growing demand for the engineers and the building-industry specialists for strengthening, restoring, and improving the concrete structures. The effect of FRP sheets on shear and flexural strengthening of simple concrete beams has been examined in this research. Four concrete beams containing concrete were constructed with a similar cross section and length and a common resistance ","authors_text":"Hana Takhtfirouzeh, Mohammad Rashidi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-08-18T00:36:47Z","title":"An Experimental Study on Shear and Flexural Strengthening of Concrete Beams Using GFRP Composites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.10008","kind":"arxiv","version":2},"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":"sha256:931661def1f610c4b97d34c335efc1c017ea1cc19670d694c5ebbc89c77c438f","target":"record","created_at":"2026-05-18T00:06:28Z","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":"6531284fce05f8ea35e14e6745e6a140f332f9ff80aa7c8c061729e752088702","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-08-18T00:36:47Z","title_canon_sha256":"0362e4728facb960ff876268ab41c599ec3af4cd465bd431d9f72fa86a469ebc"},"schema_version":"1.0","source":{"id":"1808.10008","kind":"arxiv","version":2}},"canonical_sha256":"6690096794e923a2956374fa289add412e78d5c5ca1897a8d3b4e240da841800","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6690096794e923a2956374fa289add412e78d5c5ca1897a8d3b4e240da841800","first_computed_at":"2026-05-18T00:06:28.369579Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:28.369579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3ZPfB1nBscaGn7q12rLPjOZWH+iEAtAoKKeej4BI5hNMiAtp1cdFSKWTiteyNoVyj/XDENEbAP1OFuM0BaaiDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:28.370231Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.10008","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:931661def1f610c4b97d34c335efc1c017ea1cc19670d694c5ebbc89c77c438f","sha256:b92e28d783bed9e1c24271172d53c354a1c26bc403a43d6e9e0eeb470294670e"],"state_sha256":"92c708ce626e56a084a1287448310d2c29cc210d387e61d9f9c2def7492fb423"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9fnQkuP7IVaNcYgkFEdJpKN2OAH1NiyKuoqrmln7mNVyro3hvyWs1AOPfXkhQkprxr4X906od4HZ3xaMNazIAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T01:35:33.875688Z","bundle_sha256":"11f23d27d541d442bcd95b346ca9d570d703d4f5165d37b583efcda20ab38e29"}}