{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:M724PW272VHKJ2342GNIH4HJSW","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":"8fc3472e9f6a7ee8adb831fc5f391c59fcdb5c25e93c93a8b21c4abcec125249","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-03-12T10:37:22Z","title_canon_sha256":"0cbe48c262600d048f84c22db0352d3a5e16c00b65d25bad8d0c9cb9180ff934"},"schema_version":"1.0","source":{"id":"2403.07498","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.07498","created_at":"2026-07-05T08:20:10Z"},{"alias_kind":"arxiv_version","alias_value":"2403.07498v3","created_at":"2026-07-05T08:20:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.07498","created_at":"2026-07-05T08:20:10Z"},{"alias_kind":"pith_short_12","alias_value":"M724PW272VHK","created_at":"2026-07-05T08:20:10Z"},{"alias_kind":"pith_short_16","alias_value":"M724PW272VHKJ234","created_at":"2026-07-05T08:20:10Z"},{"alias_kind":"pith_short_8","alias_value":"M724PW27","created_at":"2026-07-05T08:20:10Z"}],"graph_snapshots":[{"event_id":"sha256:5293da83c0c70cab9ab2dfecd1a4efc161e4fadfd15f19f0610b43aedd6e9e08","target":"graph","created_at":"2026-07-05T08:20:10Z","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/2403.07498/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce FLAME, a machine-learning algorithm designed to fit Voigt profiles to HI Lyman-alpha (Ly$\\alpha$) absorption lines using deep convolutional neural networks. FLAME integrates two algorithms: the first determines the number of components required to fit Ly$\\alpha$ absorption lines, and the second calculates the Doppler parameter $b$, the HI column density N$_{\\rm HI}$, and the velocity separation of individual components. For the current version of FLAME, we trained it on low-redshift Ly$\\alpha$ forests observed with the far-ultraviolet gratings of the Cosmic Origin Spectrograph (CO","authors_text":"M. Vivek, Prakash Gaikwad, Priyanka Jalan, Vikram Khaire","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-03-12T10:37:22Z","title":"FLAME: Fitting Ly$\\alpha$ Absorption lines using Machine learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.07498","kind":"arxiv","version":3},"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":"sha256:0adfaad6904188099e6b066932df5637edcadc5f59e850e8e1e66d951bbf9e6b","target":"record","created_at":"2026-07-05T08:20:10Z","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":"8fc3472e9f6a7ee8adb831fc5f391c59fcdb5c25e93c93a8b21c4abcec125249","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-03-12T10:37:22Z","title_canon_sha256":"0cbe48c262600d048f84c22db0352d3a5e16c00b65d25bad8d0c9cb9180ff934"},"schema_version":"1.0","source":{"id":"2403.07498","kind":"arxiv","version":3}},"canonical_sha256":"67f5c7db5fd54ea4eb7cd19a83f0e9959c42b93a7f71f7a3a95cac6128facf69","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"67f5c7db5fd54ea4eb7cd19a83f0e9959c42b93a7f71f7a3a95cac6128facf69","first_computed_at":"2026-07-05T08:20:10.659686Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:20:10.659686Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lTX0+62fbwnn/z1T8s0SiS2OJHLXlVHd8ssBDokVuIj9CehbWt3jDLRXzdB1VfvovxErdRAZBVNI8pl7894pCw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:20:10.660158Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.07498","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0adfaad6904188099e6b066932df5637edcadc5f59e850e8e1e66d951bbf9e6b","sha256:5293da83c0c70cab9ab2dfecd1a4efc161e4fadfd15f19f0610b43aedd6e9e08"],"state_sha256":"cd6a76cbfe452013cb10fbeb1c2c814da121cd58e7f10387f9a08395bbcfc730"}