{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:3TPNAZGXLT3R6PD4Z7QCJETPAP","short_pith_number":"pith:3TPNAZGX","canonical_record":{"source":{"id":"2402.03876","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-02-06T10:34:28Z","cross_cats_sorted":[],"title_canon_sha256":"65a43aaf97fdc6d67db1327d47a2f96fece08f25166b327130b5a591253819f7","abstract_canon_sha256":"802c8794c587fde3da8b2cc2e81cbd175ce5d3a8b48610fdf7cad778db7ae9cb"},"schema_version":"1.0"},"canonical_sha256":"dcded064d75cf71f3c7ccfe024926f03d4eddbbbd2313d07d1a6849424c676d7","source":{"kind":"arxiv","id":"2402.03876","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.03876","created_at":"2026-07-05T07:42:00Z"},{"alias_kind":"arxiv_version","alias_value":"2402.03876v1","created_at":"2026-07-05T07:42:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.03876","created_at":"2026-07-05T07:42:00Z"},{"alias_kind":"pith_short_12","alias_value":"3TPNAZGXLT3R","created_at":"2026-07-05T07:42:00Z"},{"alias_kind":"pith_short_16","alias_value":"3TPNAZGXLT3R6PD4","created_at":"2026-07-05T07:42:00Z"},{"alias_kind":"pith_short_8","alias_value":"3TPNAZGX","created_at":"2026-07-05T07:42:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:3TPNAZGXLT3R6PD4Z7QCJETPAP","target":"record","payload":{"canonical_record":{"source":{"id":"2402.03876","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-02-06T10:34:28Z","cross_cats_sorted":[],"title_canon_sha256":"65a43aaf97fdc6d67db1327d47a2f96fece08f25166b327130b5a591253819f7","abstract_canon_sha256":"802c8794c587fde3da8b2cc2e81cbd175ce5d3a8b48610fdf7cad778db7ae9cb"},"schema_version":"1.0"},"canonical_sha256":"dcded064d75cf71f3c7ccfe024926f03d4eddbbbd2313d07d1a6849424c676d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:42:00.023215Z","signature_b64":"0ku974odhAHzFGStuny895TICJzR99o/lwwDiwZEXNmeSigziAQbbdSTHbYWG/eoNeCc0yBd/68BNMHMKFPGCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dcded064d75cf71f3c7ccfe024926f03d4eddbbbd2313d07d1a6849424c676d7","last_reissued_at":"2026-07-05T07:42:00.022855Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:42:00.022855Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.03876","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":"2026-07-05T07:42:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SivwONhb7i4zBTmXe6oz9OSe7ABDUGVmqOnJv15IlLU1UkOR1KIyIxxoM4p7NTvDl02HD+CSQPn2cOEeNGV3Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T03:48:30.269360Z"},"content_sha256":"c6dc0ff4b824d03af0f9c001888a8e9b06fa0be6ba1d4c31bb568840075015eb","schema_version":"1.0","event_id":"sha256:c6dc0ff4b824d03af0f9c001888a8e9b06fa0be6ba1d4c31bb568840075015eb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:3TPNAZGXLT3R6PD4Z7QCJETPAP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Convolutional Neural Networks and Volcano Plots: Screening and Prediction of Two-Dimensional Single-Atom Catalysts","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Bin Liu, Haoyu Yang, Juanli Zhao, Qiankun Wang, Ting Liao, Wei Luo, Ziqi Sun","submitted_at":"2024-02-06T10:34:28Z","abstract_excerpt":"Single-atom catalysts (SACs) have emerged as frontiers for catalyzing chemical reactions, yet the diverse combinations of active elements and support materials, the nature of coordination environments, elude traditional methodologies in searching optimal SAC systems with superior catalytic performance. Herein, by integrating multi-branch Convolutional Neural Network (CNN) analysis models to hybrid descriptor based activity volcano plot, 2D SAC system composed of diverse metallic single atoms anchored on six type of 2D supports, including graphitic carbon nitride, nitrogen-doped graphene, graph"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.03876","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/2402.03876/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":"2026-07-05T07:42:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"myD0oodm5rbHycPuwpsrs+bhV09o1poGPADrnpLRtA+T9biXD9WBrE6b/oTwgkg866ovf7fotB79zk8zKhuNCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T03:48:30.269732Z"},"content_sha256":"4d730146b19fb611aab15f56d4f46913a6c78fc8c9477ab7601d9e8be68184e9","schema_version":"1.0","event_id":"sha256:4d730146b19fb611aab15f56d4f46913a6c78fc8c9477ab7601d9e8be68184e9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3TPNAZGXLT3R6PD4Z7QCJETPAP/bundle.json","state_url":"https://pith.science/pith/3TPNAZGXLT3R6PD4Z7QCJETPAP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3TPNAZGXLT3R6PD4Z7QCJETPAP/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":"2026-07-16T03:48:30Z","links":{"resolver":"https://pith.science/pith/3TPNAZGXLT3R6PD4Z7QCJETPAP","bundle":"https://pith.science/pith/3TPNAZGXLT3R6PD4Z7QCJETPAP/bundle.json","state":"https://pith.science/pith/3TPNAZGXLT3R6PD4Z7QCJETPAP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3TPNAZGXLT3R6PD4Z7QCJETPAP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:3TPNAZGXLT3R6PD4Z7QCJETPAP","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":"802c8794c587fde3da8b2cc2e81cbd175ce5d3a8b48610fdf7cad778db7ae9cb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-02-06T10:34:28Z","title_canon_sha256":"65a43aaf97fdc6d67db1327d47a2f96fece08f25166b327130b5a591253819f7"},"schema_version":"1.0","source":{"id":"2402.03876","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.03876","created_at":"2026-07-05T07:42:00Z"},{"alias_kind":"arxiv_version","alias_value":"2402.03876v1","created_at":"2026-07-05T07:42:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.03876","created_at":"2026-07-05T07:42:00Z"},{"alias_kind":"pith_short_12","alias_value":"3TPNAZGXLT3R","created_at":"2026-07-05T07:42:00Z"},{"alias_kind":"pith_short_16","alias_value":"3TPNAZGXLT3R6PD4","created_at":"2026-07-05T07:42:00Z"},{"alias_kind":"pith_short_8","alias_value":"3TPNAZGX","created_at":"2026-07-05T07:42:00Z"}],"graph_snapshots":[{"event_id":"sha256:4d730146b19fb611aab15f56d4f46913a6c78fc8c9477ab7601d9e8be68184e9","target":"graph","created_at":"2026-07-05T07:42:00Z","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/2402.03876/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Single-atom catalysts (SACs) have emerged as frontiers for catalyzing chemical reactions, yet the diverse combinations of active elements and support materials, the nature of coordination environments, elude traditional methodologies in searching optimal SAC systems with superior catalytic performance. Herein, by integrating multi-branch Convolutional Neural Network (CNN) analysis models to hybrid descriptor based activity volcano plot, 2D SAC system composed of diverse metallic single atoms anchored on six type of 2D supports, including graphitic carbon nitride, nitrogen-doped graphene, graph","authors_text":"Bin Liu, Haoyu Yang, Juanli Zhao, Qiankun Wang, Ting Liao, Wei Luo, Ziqi Sun","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-02-06T10:34:28Z","title":"Convolutional Neural Networks and Volcano Plots: Screening and Prediction of Two-Dimensional Single-Atom Catalysts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.03876","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:c6dc0ff4b824d03af0f9c001888a8e9b06fa0be6ba1d4c31bb568840075015eb","target":"record","created_at":"2026-07-05T07:42:00Z","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":"802c8794c587fde3da8b2cc2e81cbd175ce5d3a8b48610fdf7cad778db7ae9cb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-02-06T10:34:28Z","title_canon_sha256":"65a43aaf97fdc6d67db1327d47a2f96fece08f25166b327130b5a591253819f7"},"schema_version":"1.0","source":{"id":"2402.03876","kind":"arxiv","version":1}},"canonical_sha256":"dcded064d75cf71f3c7ccfe024926f03d4eddbbbd2313d07d1a6849424c676d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dcded064d75cf71f3c7ccfe024926f03d4eddbbbd2313d07d1a6849424c676d7","first_computed_at":"2026-07-05T07:42:00.022855Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:42:00.022855Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0ku974odhAHzFGStuny895TICJzR99o/lwwDiwZEXNmeSigziAQbbdSTHbYWG/eoNeCc0yBd/68BNMHMKFPGCw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:42:00.023215Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.03876","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6dc0ff4b824d03af0f9c001888a8e9b06fa0be6ba1d4c31bb568840075015eb","sha256:4d730146b19fb611aab15f56d4f46913a6c78fc8c9477ab7601d9e8be68184e9"],"state_sha256":"1c0109a46a17348144ba2e86604409c55311560f965b13b1a41f325efb7c2422"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"58hTglqhi25PyjpRBRshr0XztmGWQT/qx7o5u40hH/RFq7an4AVmMZ/92fhBIiIpt8UrkF1FNdwe2QjNstXoDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-16T03:48:30.271847Z","bundle_sha256":"e699d05a88766ed6956f556609f467f51bae9542c524111a31f788d706faea40"}}