{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:F725JQAVSEK5CKEZNLFK2LD4KE","short_pith_number":"pith:F725JQAV","canonical_record":{"source":{"id":"2401.17406","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-01-30T19:47:22Z","cross_cats_sorted":[],"title_canon_sha256":"f756d1381707c95bdc00afd83b3a1419e508f6a9b3927db730e26e309df2828c","abstract_canon_sha256":"47c6b52a16dbdd9a3e2275620217efa75434d74782e96817de2e9d2981136d48"},"schema_version":"1.0"},"canonical_sha256":"2ff5d4c0159115d128996acaad2c7c5115ced099181afecda33f10a899e4ea52","source":{"kind":"arxiv","id":"2401.17406","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.17406","created_at":"2026-07-05T07:39:36Z"},{"alias_kind":"arxiv_version","alias_value":"2401.17406v1","created_at":"2026-07-05T07:39:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.17406","created_at":"2026-07-05T07:39:36Z"},{"alias_kind":"pith_short_12","alias_value":"F725JQAVSEK5","created_at":"2026-07-05T07:39:36Z"},{"alias_kind":"pith_short_16","alias_value":"F725JQAVSEK5CKEZ","created_at":"2026-07-05T07:39:36Z"},{"alias_kind":"pith_short_8","alias_value":"F725JQAV","created_at":"2026-07-05T07:39:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:F725JQAVSEK5CKEZNLFK2LD4KE","target":"record","payload":{"canonical_record":{"source":{"id":"2401.17406","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-01-30T19:47:22Z","cross_cats_sorted":[],"title_canon_sha256":"f756d1381707c95bdc00afd83b3a1419e508f6a9b3927db730e26e309df2828c","abstract_canon_sha256":"47c6b52a16dbdd9a3e2275620217efa75434d74782e96817de2e9d2981136d48"},"schema_version":"1.0"},"canonical_sha256":"2ff5d4c0159115d128996acaad2c7c5115ced099181afecda33f10a899e4ea52","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:39:36.366578Z","signature_b64":"Cz+RFikcUJWS47dIPgRQEsymZCPTdkHMUQ6wonX5WfvZ3UMzl7LE86oWfM2kxlOorSjQGsrYSslDbRDGP+P2Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ff5d4c0159115d128996acaad2c7c5115ced099181afecda33f10a899e4ea52","last_reissued_at":"2026-07-05T07:39:36.366086Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:39:36.366086Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.17406","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":"2026-07-05T07:39:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"06Wan9R9BYBuhiQA6MpxKbtEV9uy+o55bXIxCbx/y0xNnia+s1i64bHgwPEwTqbHuEWPV7nPmWWg3PnoTZCQAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T16:37:15.467595Z"},"content_sha256":"806017b8b194cae45e94037a8b15d88707b58766701dabf803c5d3088aebf7b6","schema_version":"1.0","event_id":"sha256:806017b8b194cae45e94037a8b15d88707b58766701dabf803c5d3088aebf7b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:F725JQAVSEK5CKEZNLFK2LD4KE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the mechanical, thermoelectric, and excitonic properties of Tetragraphene monolayer","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alexandre C. Dias, Douglas S. Galv\\~ao, Elie A. Moujaes, L. A. Ribeiro J\\'unior, Raphael M. Tromer","submitted_at":"2024-01-30T19:47:22Z","abstract_excerpt":"Two-dimensional carbon allotropes have attracted much attention due to their extraordinary optoelectronic and mechanical properties, which can be exploited for energy conversion and storage applications. In this work, we use density functional theory simulations and semi-empirical methods to investigate the mechanical, thermoelectric, and excitonic properties of Tetrahexcarbon (also known as Tetragraphene). This quasi-2D carbon allotrope exhibits a combination of squared and hexagonal rings in a buckled shape. Our findings reveal that tetragraphene is a semiconductor material with a direct ele"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.17406","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2401.17406/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":"2026-07-05T07:39:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mVSUIxY9gq5Qm3lK5fyI2R1xIMPpXo0hJ5oKOVe/FvINFGhSWOUIEhY7VLdPccZ6QVNqhcRWd6G92ZQHYgUpBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T16:37:15.468104Z"},"content_sha256":"6e0f6503b6c7ca12767c639b6c36b144ff0363266c69145cd03055d93c018769","schema_version":"1.0","event_id":"sha256:6e0f6503b6c7ca12767c639b6c36b144ff0363266c69145cd03055d93c018769"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F725JQAVSEK5CKEZNLFK2LD4KE/bundle.json","state_url":"https://pith.science/pith/F725JQAVSEK5CKEZNLFK2LD4KE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F725JQAVSEK5CKEZNLFK2LD4KE/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":"2026-08-04T16:37:15Z","links":{"resolver":"https://pith.science/pith/F725JQAVSEK5CKEZNLFK2LD4KE","bundle":"https://pith.science/pith/F725JQAVSEK5CKEZNLFK2LD4KE/bundle.json","state":"https://pith.science/pith/F725JQAVSEK5CKEZNLFK2LD4KE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F725JQAVSEK5CKEZNLFK2LD4KE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:F725JQAVSEK5CKEZNLFK2LD4KE","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":"47c6b52a16dbdd9a3e2275620217efa75434d74782e96817de2e9d2981136d48","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-01-30T19:47:22Z","title_canon_sha256":"f756d1381707c95bdc00afd83b3a1419e508f6a9b3927db730e26e309df2828c"},"schema_version":"1.0","source":{"id":"2401.17406","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.17406","created_at":"2026-07-05T07:39:36Z"},{"alias_kind":"arxiv_version","alias_value":"2401.17406v1","created_at":"2026-07-05T07:39:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.17406","created_at":"2026-07-05T07:39:36Z"},{"alias_kind":"pith_short_12","alias_value":"F725JQAVSEK5","created_at":"2026-07-05T07:39:36Z"},{"alias_kind":"pith_short_16","alias_value":"F725JQAVSEK5CKEZ","created_at":"2026-07-05T07:39:36Z"},{"alias_kind":"pith_short_8","alias_value":"F725JQAV","created_at":"2026-07-05T07:39:36Z"}],"graph_snapshots":[{"event_id":"sha256:6e0f6503b6c7ca12767c639b6c36b144ff0363266c69145cd03055d93c018769","target":"graph","created_at":"2026-07-05T07:39:36Z","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/2401.17406/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Two-dimensional carbon allotropes have attracted much attention due to their extraordinary optoelectronic and mechanical properties, which can be exploited for energy conversion and storage applications. In this work, we use density functional theory simulations and semi-empirical methods to investigate the mechanical, thermoelectric, and excitonic properties of Tetrahexcarbon (also known as Tetragraphene). This quasi-2D carbon allotrope exhibits a combination of squared and hexagonal rings in a buckled shape. Our findings reveal that tetragraphene is a semiconductor material with a direct ele","authors_text":"Alexandre C. Dias, Douglas S. Galv\\~ao, Elie A. Moujaes, L. A. Ribeiro J\\'unior, Raphael M. Tromer","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-01-30T19:47:22Z","title":"On the mechanical, thermoelectric, and excitonic properties of Tetragraphene monolayer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.17406","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":"sha256:806017b8b194cae45e94037a8b15d88707b58766701dabf803c5d3088aebf7b6","target":"record","created_at":"2026-07-05T07:39:36Z","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":"47c6b52a16dbdd9a3e2275620217efa75434d74782e96817de2e9d2981136d48","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-01-30T19:47:22Z","title_canon_sha256":"f756d1381707c95bdc00afd83b3a1419e508f6a9b3927db730e26e309df2828c"},"schema_version":"1.0","source":{"id":"2401.17406","kind":"arxiv","version":1}},"canonical_sha256":"2ff5d4c0159115d128996acaad2c7c5115ced099181afecda33f10a899e4ea52","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ff5d4c0159115d128996acaad2c7c5115ced099181afecda33f10a899e4ea52","first_computed_at":"2026-07-05T07:39:36.366086Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:39:36.366086Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Cz+RFikcUJWS47dIPgRQEsymZCPTdkHMUQ6wonX5WfvZ3UMzl7LE86oWfM2kxlOorSjQGsrYSslDbRDGP+P2Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:39:36.366578Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.17406","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:806017b8b194cae45e94037a8b15d88707b58766701dabf803c5d3088aebf7b6","sha256:6e0f6503b6c7ca12767c639b6c36b144ff0363266c69145cd03055d93c018769"],"state_sha256":"9609417e29b5094bd247492d2a5b56efd8d10fc49da26523dad5f6ada75f8eeb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HZboTpuyebwbc5BAzsKdElMetmuX4RH0hH7mxo/Q8M7Js+CfZTx3UBsNC9hgRhpg9nrmwN0beYJw7eaEwU5WCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T16:37:15.473182Z","bundle_sha256":"71c1b038433ebdb57dd7b725ec0dabf66cc4820e9ab576ee9017752388b2d96d"}}