{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:7YQUV4QRY7HL7MJMSHDFDXNTZO","short_pith_number":"pith:7YQUV4QR","canonical_record":{"source":{"id":"1905.00750","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-05-02T13:59:54Z","cross_cats_sorted":[],"title_canon_sha256":"5a1d4c18db453d59fd01799e7889116003efc5381c86a84f3f4b87051c53bd74","abstract_canon_sha256":"d899df9996e5e870c20f4d21bb25f303fb0a493fd542dbde5f441e66167164fc"},"schema_version":"1.0"},"canonical_sha256":"fe214af211c7cebfb12c91c651ddb3cba9c2a2d5e9b746e71738483a2dec7550","source":{"kind":"arxiv","id":"1905.00750","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.00750","created_at":"2026-05-17T23:47:09Z"},{"alias_kind":"arxiv_version","alias_value":"1905.00750v1","created_at":"2026-05-17T23:47:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.00750","created_at":"2026-05-17T23:47:09Z"},{"alias_kind":"pith_short_12","alias_value":"7YQUV4QRY7HL","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7YQUV4QRY7HL7MJM","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7YQUV4QR","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:7YQUV4QRY7HL7MJMSHDFDXNTZO","target":"record","payload":{"canonical_record":{"source":{"id":"1905.00750","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-05-02T13:59:54Z","cross_cats_sorted":[],"title_canon_sha256":"5a1d4c18db453d59fd01799e7889116003efc5381c86a84f3f4b87051c53bd74","abstract_canon_sha256":"d899df9996e5e870c20f4d21bb25f303fb0a493fd542dbde5f441e66167164fc"},"schema_version":"1.0"},"canonical_sha256":"fe214af211c7cebfb12c91c651ddb3cba9c2a2d5e9b746e71738483a2dec7550","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:09.397687Z","signature_b64":"s2PSRMiM/47a6oPgqhLxwFTnrBfEbGg6sctngQCBHPC/hdnIeiREzRav225AuZGDUPeSv+IVZlM92MgGIVvsAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe214af211c7cebfb12c91c651ddb3cba9c2a2d5e9b746e71738483a2dec7550","last_reissued_at":"2026-05-17T23:47:09.396949Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:09.396949Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.00750","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":"2026-05-17T23:47:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PWYfdCQD6VYYf6UuJIazxu06BCPSd1ipA5PbcdbDcfHix9tA0GZcphtf11VNbTb/kbDUNNrup4EAcw5Kvi+oBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T16:18:39.696156Z"},"content_sha256":"49dfc091b9deea0dce11184a456e6cbb488723f14d527c25fccb01c1197dd364","schema_version":"1.0","event_id":"sha256:49dfc091b9deea0dce11184a456e6cbb488723f14d527c25fccb01c1197dd364"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:7YQUV4QRY7HL7MJMSHDFDXNTZO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultra-High Performance of Nano-Engineered Graphene-Based Natural Jute Fiber Composites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Forkan Sarker, Kostya S Novoselov, Nazmul Karim, Prasad Potluri, Shaila Afroj, Vivek Koncherry","submitted_at":"2019-05-02T13:59:54Z","abstract_excerpt":"Natural fibers composites are considered as sustainable alternative to synthetic composites due to their environmental and economic benefits. However, they suffer from poor mechanical and interfacial properties due to a random fiber orientation and weak fiber-matrix interface. Here we report nano-engineered graphene-based natural jute fiber preforms with a new fiber architecture (NFA) which significantly improves their properties and performances. Our graphene-based NFA of jute fiber perform enhances Young modulus of jute-epoxy composites by ~324% and tensile strength by ~110% more than untrea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.00750","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":"2026-05-17T23:47:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XTQksy67vfSutHY7SflN8H/nopk1X6zoRgkAkfMXx1bc7HQ3ke+64z9JsReRP2PhLiWwqJHn6vf1nnZKmYjtCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T16:18:39.696853Z"},"content_sha256":"bbb18107927d0d4b81026af65694da80ff4420972a066f74736c7e01c656502f","schema_version":"1.0","event_id":"sha256:bbb18107927d0d4b81026af65694da80ff4420972a066f74736c7e01c656502f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7YQUV4QRY7HL7MJMSHDFDXNTZO/bundle.json","state_url":"https://pith.science/pith/7YQUV4QRY7HL7MJMSHDFDXNTZO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7YQUV4QRY7HL7MJMSHDFDXNTZO/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":"2026-06-07T16:18:39Z","links":{"resolver":"https://pith.science/pith/7YQUV4QRY7HL7MJMSHDFDXNTZO","bundle":"https://pith.science/pith/7YQUV4QRY7HL7MJMSHDFDXNTZO/bundle.json","state":"https://pith.science/pith/7YQUV4QRY7HL7MJMSHDFDXNTZO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7YQUV4QRY7HL7MJMSHDFDXNTZO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7YQUV4QRY7HL7MJMSHDFDXNTZO","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":"d899df9996e5e870c20f4d21bb25f303fb0a493fd542dbde5f441e66167164fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-05-02T13:59:54Z","title_canon_sha256":"5a1d4c18db453d59fd01799e7889116003efc5381c86a84f3f4b87051c53bd74"},"schema_version":"1.0","source":{"id":"1905.00750","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.00750","created_at":"2026-05-17T23:47:09Z"},{"alias_kind":"arxiv_version","alias_value":"1905.00750v1","created_at":"2026-05-17T23:47:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.00750","created_at":"2026-05-17T23:47:09Z"},{"alias_kind":"pith_short_12","alias_value":"7YQUV4QRY7HL","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7YQUV4QRY7HL7MJM","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7YQUV4QR","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:bbb18107927d0d4b81026af65694da80ff4420972a066f74736c7e01c656502f","target":"graph","created_at":"2026-05-17T23:47:09Z","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":"Natural fibers composites are considered as sustainable alternative to synthetic composites due to their environmental and economic benefits. However, they suffer from poor mechanical and interfacial properties due to a random fiber orientation and weak fiber-matrix interface. Here we report nano-engineered graphene-based natural jute fiber preforms with a new fiber architecture (NFA) which significantly improves their properties and performances. Our graphene-based NFA of jute fiber perform enhances Young modulus of jute-epoxy composites by ~324% and tensile strength by ~110% more than untrea","authors_text":"Forkan Sarker, Kostya S Novoselov, Nazmul Karim, Prasad Potluri, Shaila Afroj, Vivek Koncherry","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-05-02T13:59:54Z","title":"Ultra-High Performance of Nano-Engineered Graphene-Based Natural Jute Fiber Composites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.00750","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":"sha256:49dfc091b9deea0dce11184a456e6cbb488723f14d527c25fccb01c1197dd364","target":"record","created_at":"2026-05-17T23:47:09Z","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":"d899df9996e5e870c20f4d21bb25f303fb0a493fd542dbde5f441e66167164fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-05-02T13:59:54Z","title_canon_sha256":"5a1d4c18db453d59fd01799e7889116003efc5381c86a84f3f4b87051c53bd74"},"schema_version":"1.0","source":{"id":"1905.00750","kind":"arxiv","version":1}},"canonical_sha256":"fe214af211c7cebfb12c91c651ddb3cba9c2a2d5e9b746e71738483a2dec7550","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe214af211c7cebfb12c91c651ddb3cba9c2a2d5e9b746e71738483a2dec7550","first_computed_at":"2026-05-17T23:47:09.396949Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:09.396949Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s2PSRMiM/47a6oPgqhLxwFTnrBfEbGg6sctngQCBHPC/hdnIeiREzRav225AuZGDUPeSv+IVZlM92MgGIVvsAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:09.397687Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.00750","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49dfc091b9deea0dce11184a456e6cbb488723f14d527c25fccb01c1197dd364","sha256:bbb18107927d0d4b81026af65694da80ff4420972a066f74736c7e01c656502f"],"state_sha256":"09472081831eab1aaea53b4efc867b77642d7bebfbd448708bc5fbe5110081b7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1mRafW/aTW6BTWWBrkbzazqJ67YxYMmjgjq0bld5Sw7UVtfvDh68iIlkOmnTIgmwrm7XZUm9+SxEKhn8FQ/wBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T16:18:39.700800Z","bundle_sha256":"175eb0d328b90e6d69730ebf44a3c286c1e471798710a673d21fb1d2c19d7183"}}