{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:HX74PWUVRZYXDJBGTNNSCVZRLH","short_pith_number":"pith:HX74PWUV","canonical_record":{"source":{"id":"2007.01728","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-07-03T14:50:04Z","cross_cats_sorted":[],"title_canon_sha256":"d98b3f0df54098480f96b3622d486319032ccd4411f47ac115d6255ca15751c0","abstract_canon_sha256":"59824e8d6be4b12517fbfad76682c6fb72de1826b29c649b70418f0470fe01b9"},"schema_version":"1.0"},"canonical_sha256":"3dffc7da958e7171a4269b5b21573159fcd5a648135141e3ca76ecf9f28f4f78","source":{"kind":"arxiv","id":"2007.01728","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.01728","created_at":"2026-07-05T01:39:14Z"},{"alias_kind":"arxiv_version","alias_value":"2007.01728v2","created_at":"2026-07-05T01:39:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.01728","created_at":"2026-07-05T01:39:14Z"},{"alias_kind":"pith_short_12","alias_value":"HX74PWUVRZYX","created_at":"2026-07-05T01:39:14Z"},{"alias_kind":"pith_short_16","alias_value":"HX74PWUVRZYXDJBG","created_at":"2026-07-05T01:39:14Z"},{"alias_kind":"pith_short_8","alias_value":"HX74PWUV","created_at":"2026-07-05T01:39:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:HX74PWUVRZYXDJBGTNNSCVZRLH","target":"record","payload":{"canonical_record":{"source":{"id":"2007.01728","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-07-03T14:50:04Z","cross_cats_sorted":[],"title_canon_sha256":"d98b3f0df54098480f96b3622d486319032ccd4411f47ac115d6255ca15751c0","abstract_canon_sha256":"59824e8d6be4b12517fbfad76682c6fb72de1826b29c649b70418f0470fe01b9"},"schema_version":"1.0"},"canonical_sha256":"3dffc7da958e7171a4269b5b21573159fcd5a648135141e3ca76ecf9f28f4f78","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:39:14.263651Z","signature_b64":"XtLoyp/rtii+aTCCuklzwzg6+NdUXKCAO0OVb3JotvLx+U24wDCodNXZ4BBrBBzMIA5lV7HOCfx+cFe0aIQFCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3dffc7da958e7171a4269b5b21573159fcd5a648135141e3ca76ecf9f28f4f78","last_reissued_at":"2026-07-05T01:39:14.263267Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:39:14.263267Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.01728","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":"2026-07-05T01:39:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zFrPNjsEm6TSDxs/6pG844VWSmVs8+SKCb63QQZaKS3z/yocHdbJmCAkkyAQKT7sdmTCqTC/sCxsYHQc+Zf8CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:46:37.449690Z"},"content_sha256":"eecccb01e738c446a75d45f2c29022418b10f910e995838334af6467cb1b0cb9","schema_version":"1.0","event_id":"sha256:eecccb01e738c446a75d45f2c29022418b10f910e995838334af6467cb1b0cb9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:HX74PWUVRZYXDJBGTNNSCVZRLH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Elastic Properties of Single-Walled Phagraphene Nanotubes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. L. Aguiar, D. S. Galv\\~ao, J. M. de Sousa, L. A. Ribeiro Junior, M. L. Pereira Junior, R. A. Biz\\~ao, W. H. S. Brand\\~ao","submitted_at":"2020-07-03T14:50:04Z","abstract_excerpt":"Phagraphene (PhaG) is a quasi-planar 2D structure composed of $5-6-7$ ring sequence. We have investigated the structural and mechanical properties of phagraphene nanotubes (PhaNTs) through fully atomistic reactive molecular dynamics (MD) simulations. For comparison purposes, the results were also contrasted to similar carbon nanotubes (CNTs). Results showed that PhaNTs and CNTs present similar brittle fracture mechanisms. The Young's modulus values obtained for PhaNTs were smaller than the corresponding ones for CNTs. Both, PhaNTs and CNTs, present equivalent fracture strains ranging between 1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.01728","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2007.01728/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:39:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qnXMEdh2aBKV8DojUNuUxT3N7YegBRpEfkYnqEjOlbWhcP48agLjMfIPPBlRTUCPxRwD2BrZqWyEdzK0py5qDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:46:37.450063Z"},"content_sha256":"3b51477d0df21dbcb7d1b1e1bf179060bd87a9e00c0adeb826aedd7b5a59d9bb","schema_version":"1.0","event_id":"sha256:3b51477d0df21dbcb7d1b1e1bf179060bd87a9e00c0adeb826aedd7b5a59d9bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HX74PWUVRZYXDJBGTNNSCVZRLH/bundle.json","state_url":"https://pith.science/pith/HX74PWUVRZYXDJBGTNNSCVZRLH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HX74PWUVRZYXDJBGTNNSCVZRLH/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":"2026-07-07T14:46:37Z","links":{"resolver":"https://pith.science/pith/HX74PWUVRZYXDJBGTNNSCVZRLH","bundle":"https://pith.science/pith/HX74PWUVRZYXDJBGTNNSCVZRLH/bundle.json","state":"https://pith.science/pith/HX74PWUVRZYXDJBGTNNSCVZRLH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HX74PWUVRZYXDJBGTNNSCVZRLH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:HX74PWUVRZYXDJBGTNNSCVZRLH","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":"59824e8d6be4b12517fbfad76682c6fb72de1826b29c649b70418f0470fe01b9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-07-03T14:50:04Z","title_canon_sha256":"d98b3f0df54098480f96b3622d486319032ccd4411f47ac115d6255ca15751c0"},"schema_version":"1.0","source":{"id":"2007.01728","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.01728","created_at":"2026-07-05T01:39:14Z"},{"alias_kind":"arxiv_version","alias_value":"2007.01728v2","created_at":"2026-07-05T01:39:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.01728","created_at":"2026-07-05T01:39:14Z"},{"alias_kind":"pith_short_12","alias_value":"HX74PWUVRZYX","created_at":"2026-07-05T01:39:14Z"},{"alias_kind":"pith_short_16","alias_value":"HX74PWUVRZYXDJBG","created_at":"2026-07-05T01:39:14Z"},{"alias_kind":"pith_short_8","alias_value":"HX74PWUV","created_at":"2026-07-05T01:39:14Z"}],"graph_snapshots":[{"event_id":"sha256:3b51477d0df21dbcb7d1b1e1bf179060bd87a9e00c0adeb826aedd7b5a59d9bb","target":"graph","created_at":"2026-07-05T01:39:14Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2007.01728/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Phagraphene (PhaG) is a quasi-planar 2D structure composed of $5-6-7$ ring sequence. We have investigated the structural and mechanical properties of phagraphene nanotubes (PhaNTs) through fully atomistic reactive molecular dynamics (MD) simulations. For comparison purposes, the results were also contrasted to similar carbon nanotubes (CNTs). Results showed that PhaNTs and CNTs present similar brittle fracture mechanisms. The Young's modulus values obtained for PhaNTs were smaller than the corresponding ones for CNTs. Both, PhaNTs and CNTs, present equivalent fracture strains ranging between 1","authors_text":"A. L. Aguiar, D. S. Galv\\~ao, J. M. de Sousa, L. A. Ribeiro Junior, M. L. Pereira Junior, R. A. Biz\\~ao, W. H. S. Brand\\~ao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-07-03T14:50:04Z","title":"On the Elastic Properties of Single-Walled Phagraphene Nanotubes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.01728","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:eecccb01e738c446a75d45f2c29022418b10f910e995838334af6467cb1b0cb9","target":"record","created_at":"2026-07-05T01:39:14Z","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":"59824e8d6be4b12517fbfad76682c6fb72de1826b29c649b70418f0470fe01b9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-07-03T14:50:04Z","title_canon_sha256":"d98b3f0df54098480f96b3622d486319032ccd4411f47ac115d6255ca15751c0"},"schema_version":"1.0","source":{"id":"2007.01728","kind":"arxiv","version":2}},"canonical_sha256":"3dffc7da958e7171a4269b5b21573159fcd5a648135141e3ca76ecf9f28f4f78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3dffc7da958e7171a4269b5b21573159fcd5a648135141e3ca76ecf9f28f4f78","first_computed_at":"2026-07-05T01:39:14.263267Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:39:14.263267Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XtLoyp/rtii+aTCCuklzwzg6+NdUXKCAO0OVb3JotvLx+U24wDCodNXZ4BBrBBzMIA5lV7HOCfx+cFe0aIQFCg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:39:14.263651Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.01728","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eecccb01e738c446a75d45f2c29022418b10f910e995838334af6467cb1b0cb9","sha256:3b51477d0df21dbcb7d1b1e1bf179060bd87a9e00c0adeb826aedd7b5a59d9bb"],"state_sha256":"5a94e806f0ed66e8348ecd57f382b372cf3aa36034f7c8f635e7f982d765f396"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L7p3/eywjhWuJ3jIp0pOFWhjnvnvNomV+Lq8dEFj0tDGGvd+edZ4C9po6hx4QnuA5slZgu4fME1aKqN3eFunCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T14:46:37.452077Z","bundle_sha256":"312478a1099c6f910cad0e44872a8c35f6d4abd95fae90c507ffcfe1fe5718cc"}}