{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:EYWBX3YNFY6VNJPBWLP63F4WXP","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":"1d7f7496a562c75db123e562bf81387a5dffc2423813541d53f572d9a33bd001","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-01-08T10:28:14Z","title_canon_sha256":"e66d873dc8f84cb47d0a49e0e6086709dd6aa702b6264e3caf28ff18a9317422"},"schema_version":"1.0","source":{"id":"1601.01820","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01820","created_at":"2026-05-18T01:20:32Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01820v1","created_at":"2026-05-18T01:20:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01820","created_at":"2026-05-18T01:20:32Z"},{"alias_kind":"pith_short_12","alias_value":"EYWBX3YNFY6V","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"EYWBX3YNFY6VNJPB","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"EYWBX3YN","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:1b732b02d390c99d3cffc45f234bf4a50e1aeebd844a4257925eff2fb1b5a75d","target":"graph","created_at":"2026-05-18T01:20:32Z","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"},"paper":{"abstract_excerpt":"We compute the mass function of galactic dark matter halos for different values of the Warm Dark Matter (WDM) particle mass m_X and compare it with the abundance of ultra-faint galaxies derived from the deepest UV luminosity function available so far at redshift z~2. The magnitude limit M_UV=-13 reached by such observations allows us to probe the WDM mass functions down to scales close to or smaller than the half-mass mode mass scale ~10^9 M_sun. This allowed for an efficient discrimination among predictions for different m_X which turn out to be independent of the star formation efficiency ad","authors_text":"(2) Observatoire de Paris, A. Grazian (1) ((1) INAF - Osservatorio Astronomico di Roma, M. Castellano (1), N.G. Sanchez (2), N. Menci (1), Sorbonne Universite, UPMC Univ. Paris 6)","cross_cats":["gr-qc","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-01-08T10:28:14Z","title":"Constraining the Warm Dark Matter Particle Mass through Ultra-Deep UV Luminosity Functions at z=2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01820","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:af89028a0c785c7fa7338bef4397527bacb65ecb0473350e1992e7ee34aa9e66","target":"record","created_at":"2026-05-18T01:20:32Z","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":"1d7f7496a562c75db123e562bf81387a5dffc2423813541d53f572d9a33bd001","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-01-08T10:28:14Z","title_canon_sha256":"e66d873dc8f84cb47d0a49e0e6086709dd6aa702b6264e3caf28ff18a9317422"},"schema_version":"1.0","source":{"id":"1601.01820","kind":"arxiv","version":1}},"canonical_sha256":"262c1bef0d2e3d56a5e1b2dfed9796bbda5ed99ec42f941f6ab553cac92d9f5d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"262c1bef0d2e3d56a5e1b2dfed9796bbda5ed99ec42f941f6ab553cac92d9f5d","first_computed_at":"2026-05-18T01:20:32.343030Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:32.343030Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SnoVTNcE8WA3tegHJleUORpzURZho8wyP5KP2Hz9hSlIqUPSNVRvXX8OloHiphOyduO0ND1r+P3Hu74Z/jvVDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:32.343497Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.01820","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af89028a0c785c7fa7338bef4397527bacb65ecb0473350e1992e7ee34aa9e66","sha256:1b732b02d390c99d3cffc45f234bf4a50e1aeebd844a4257925eff2fb1b5a75d"],"state_sha256":"52e7801b82f6f4523bee485df57e2b8726d7a2fcbcb3b102a306c4f3a0d14360"}