{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ITOF5RV5HGIVF2GMGXTE7FDMCI","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":"756dbbe2be0a53bbcbbdd638b23a448e56ea2f792503fcba6dcd212eb76007d5","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-08-10T22:23:05Z","title_canon_sha256":"a33387f04737dfbe8d40c355fba34f257609b868e27d77e532b06aeea2d6690c"},"schema_version":"1.0","source":{"id":"2608.10280","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.10280","created_at":"2026-08-12T00:23:45Z"},{"alias_kind":"arxiv_version","alias_value":"2608.10280v1","created_at":"2026-08-12T00:23:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.10280","created_at":"2026-08-12T00:23:45Z"},{"alias_kind":"pith_short_12","alias_value":"ITOF5RV5HGIV","created_at":"2026-08-12T00:23:45Z"},{"alias_kind":"pith_short_16","alias_value":"ITOF5RV5HGIVF2GM","created_at":"2026-08-12T00:23:45Z"},{"alias_kind":"pith_short_8","alias_value":"ITOF5RV5","created_at":"2026-08-12T00:23:45Z"}],"graph_snapshots":[{"event_id":"sha256:38a206ff2b6e48d3ce26852227b595683af4895f74841fb5c6ed1f643aac70f3","target":"graph","created_at":"2026-08-12T00:23:45Z","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/2608.10280/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We assess whether tabular foundation models can be used as off-the-shelf probabilistic photometric-redshift estimators for quasars in the 12-band S-PLUS DR6 survey, where colour-redshift degeneracies produce multi-modal posteriors and spectroscopic training sets are shifted relative to the photometric population. TabPFN 2.5, RealTabPFN 2.5, and TabICL are benchmarked against eight task-specific baselines, including linear conditional Gaussians, FlexZBoost, mixture-density networks, normalising flows, random forests, and gradient-boosted trees, with training sets from 500 to 121,626 quasars, us","authors_text":"Bruno Marcondes e Resende, Claudia Mendes de Oliveira, Kiana Coimbra Buin Lins, Lilianne Nakazono, Marco Henrique de Almeida In\\'acio, Maycon Jorge Del\\'aqua da Silva, Natanael M. Cardoso, Rafael Izbicki, Raquel R. Valen\\c{c}a","cross_cats":["astro-ph.CO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-08-10T22:23:05Z","title":"Tabular foundation models for the estimation of probabilistic quasar photometric redshifts in S-PLUS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.10280","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:db97425193fa03e592b579e51ed648d04dd90b80b0852f0fa3a414a51261b745","target":"record","created_at":"2026-08-12T00:23:45Z","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":"756dbbe2be0a53bbcbbdd638b23a448e56ea2f792503fcba6dcd212eb76007d5","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-08-10T22:23:05Z","title_canon_sha256":"a33387f04737dfbe8d40c355fba34f257609b868e27d77e532b06aeea2d6690c"},"schema_version":"1.0","source":{"id":"2608.10280","kind":"arxiv","version":1}},"canonical_sha256":"44dc5ec6bd399152e8cc35e64f946c120d5778a4ca14bd8952bda5ed36c96ab7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44dc5ec6bd399152e8cc35e64f946c120d5778a4ca14bd8952bda5ed36c96ab7","first_computed_at":"2026-08-12T00:23:45.806673Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-12T00:23:45.806673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TUhypkWyvp8PampFKltVPNKM/ANKoMPqpXC8+rI9wpCP1fi75pbIQPjY3nsgl1dnvy52CC/UCr1ycDXCaXiCBQ==","signature_status":"signed_v1","signed_at":"2026-08-12T00:23:45.808303Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.10280","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db97425193fa03e592b579e51ed648d04dd90b80b0852f0fa3a414a51261b745","sha256:38a206ff2b6e48d3ce26852227b595683af4895f74841fb5c6ed1f643aac70f3"],"state_sha256":"c2fa3360ac46d1f67603d0fc395a12104b9d08407be6676ee5740b4b0b6d0847"}