{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:K5QSK6IUIRT2UIRCA5IYVZUII4","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":"c7dc60c92524e8c416ecb82748dacb8870bf076ed9cc4b92374b0dd7fa6e9ae3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-06-08T05:16:30Z","title_canon_sha256":"ea1e99e6813aa7f66cc30d21996419391a00170a331fbaeafac9f34b5da7007d"},"schema_version":"1.0","source":{"id":"2406.05357","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.05357","created_at":"2026-07-05T08:41:45Z"},{"alias_kind":"arxiv_version","alias_value":"2406.05357v1","created_at":"2026-07-05T08:41:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.05357","created_at":"2026-07-05T08:41:45Z"},{"alias_kind":"pith_short_12","alias_value":"K5QSK6IUIRT2","created_at":"2026-07-05T08:41:45Z"},{"alias_kind":"pith_short_16","alias_value":"K5QSK6IUIRT2UIRC","created_at":"2026-07-05T08:41:45Z"},{"alias_kind":"pith_short_8","alias_value":"K5QSK6IU","created_at":"2026-07-05T08:41:45Z"}],"graph_snapshots":[{"event_id":"sha256:017ab416000e98b77ce8d8ed3eff011568bb98680b9d0739f6155ef7b501c056","target":"graph","created_at":"2026-07-05T08:41:45Z","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/2406.05357/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Gamma-ray bursts (GRBs) are typically classified into long and short GRBs based on their durations. However, there is a significant overlapping in the duration distributions of these two categories. In this paper, we apply the unsupervised dimensionality reduction algorithm called t-SNE and UMAP to classify 2061 Fermi GRBs based on four observed quantities: duration, peak energy, fluence, and peak flux. The map results of t-SNE and UMAP show a clear division of these GRBs into two clusters. We mark the two clusters as GRBs-I and GRBs-II, and find that all GRBs associated with supernovae are cl","authors_text":"Da-Ling Ma, Fu-Wen Zhang, Si-Yuan Zhu, Wan-Peng Sun","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-06-08T05:16:30Z","title":"Classification of Fermi Gamma-Ray Bursts Based on Machine Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.05357","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:d653cffe6157dbf7fb0f690da18a41cae47ee306fea273c806f1af512dec082a","target":"record","created_at":"2026-07-05T08:41:45Z","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":"c7dc60c92524e8c416ecb82748dacb8870bf076ed9cc4b92374b0dd7fa6e9ae3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-06-08T05:16:30Z","title_canon_sha256":"ea1e99e6813aa7f66cc30d21996419391a00170a331fbaeafac9f34b5da7007d"},"schema_version":"1.0","source":{"id":"2406.05357","kind":"arxiv","version":1}},"canonical_sha256":"57612579144467aa222207518ae688473ea36c83819262b51998b1da0de771d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57612579144467aa222207518ae688473ea36c83819262b51998b1da0de771d5","first_computed_at":"2026-07-05T08:41:45.588966Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:41:45.588966Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YV4pAJof9ebGsoDyVsd7dAJ9DmZLi4aZZTTtp6x1ieffJXR+6yhiXW4XFv/1vJE5rH5NN81KG/s8apq/7cJjBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:41:45.589420Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.05357","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d653cffe6157dbf7fb0f690da18a41cae47ee306fea273c806f1af512dec082a","sha256:017ab416000e98b77ce8d8ed3eff011568bb98680b9d0739f6155ef7b501c056"],"state_sha256":"28e6e133c1b3b029bdd73440a9dc2ba9f69a9122dd3080d0f388a800a30fc508"}