{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:SJMFTLYDM2VLL6C4NVD4BI4UB6","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":"bc4de4aeb28318a3ce0c3b3b67df7225cfe3ccc146ab6f4de924a57baabce338","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-03T10:46:04Z","title_canon_sha256":"d48e41a4b0cde81493d4e081af0c463fd3f47894d2b5522492a7f32e1f0e79f0"},"schema_version":"1.0","source":{"id":"2606.04711","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.04711","created_at":"2026-06-04T01:09:26Z"},{"alias_kind":"arxiv_version","alias_value":"2606.04711v1","created_at":"2026-06-04T01:09:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.04711","created_at":"2026-06-04T01:09:26Z"},{"alias_kind":"pith_short_12","alias_value":"SJMFTLYDM2VL","created_at":"2026-06-04T01:09:26Z"},{"alias_kind":"pith_short_16","alias_value":"SJMFTLYDM2VLL6C4","created_at":"2026-06-04T01:09:26Z"},{"alias_kind":"pith_short_8","alias_value":"SJMFTLYD","created_at":"2026-06-04T01:09:26Z"}],"graph_snapshots":[{"event_id":"sha256:745cd8db89ced66c537128baed8e4ffbae85ebb3957efdd43f2cfbb692849f99","target":"graph","created_at":"2026-06-04T01:09:26Z","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/2606.04711/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a spectroscopic analysis of 14 little red dots (LRDs) at redshifts $2.2 < z < 6.7$ using NIRSpec/MSA prism and medium-resolution grating observations, aiming to constrain the nuclear gas structure through Balmer emission-line profiles, absorption features, relative line intensities, and continuum properties. We simultaneously decompose the broad, narrow, and absorption components of ${\\rm H \\alpha}$, ${\\rm H \\beta}$, and ${\\rm H \\gamma}$, and measure both integrated line ratios and velocity-resolved Balmer decrements. The narrow-line Balmer decrements are broadly consistent with Cas","authors_text":"Chang-Hao Chen, Jinyi Shangguan, Kohei Inayoshi, Luis C. Ho, Ruancun Li, Zijian Zhang","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-03T10:46:04Z","title":"ABCD: The Nuclear Structure of the Little Red Dots Revealted through Absorption, Break, Continuum, and Decrement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.04711","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":"sha256:3f59ce111ac1be100f41c1ed96c4eac2c2334e2f38d1fa7db8a8111c9b859557","target":"record","created_at":"2026-06-04T01:09:26Z","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":"bc4de4aeb28318a3ce0c3b3b67df7225cfe3ccc146ab6f4de924a57baabce338","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-03T10:46:04Z","title_canon_sha256":"d48e41a4b0cde81493d4e081af0c463fd3f47894d2b5522492a7f32e1f0e79f0"},"schema_version":"1.0","source":{"id":"2606.04711","kind":"arxiv","version":1}},"canonical_sha256":"925859af0366aab5f85c6d47c0a3940fb69acd5368125bee441a87e357e655dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"925859af0366aab5f85c6d47c0a3940fb69acd5368125bee441a87e357e655dc","first_computed_at":"2026-06-04T01:09:26.163272Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-04T01:09:26.163272Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VDqtdvfHn1yZCznCHx/pf2BMdtbUFXvT5QWOZqIiT9ruSNUbCcVQMaBw7KBYNMrH61eOVsx3/HSKXvQKjp9HDQ==","signature_status":"signed_v1","signed_at":"2026-06-04T01:09:26.163931Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.04711","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f59ce111ac1be100f41c1ed96c4eac2c2334e2f38d1fa7db8a8111c9b859557","sha256:745cd8db89ced66c537128baed8e4ffbae85ebb3957efdd43f2cfbb692849f99"],"state_sha256":"0697d91fccaa9ce8fd20c74c19d8353aaf4c547ece41d3013f9e02db4a9389a4"}