Pith Number

pith:JNK3GM3X

pith:2025:JNK3GM3XUKHO2A7DMFHNEXRQTX

not attested not anchored not stored refs pending

No Luminous Little Red Dots: A Sharp Cutoff in Their Luminosity Function

Andy D. Goulding, Anna Sajina, Danilo Marchesini, David J. Setton, Eiichi Egami, Ivo Labbe, Jenny E. Greene, Jorryt Matthee, Luke Robbins, Marcin Sawicki, Marianna Annunziatella, Marta Volonteri, Themiya Nanayakkara, Vasily Kokorev, Xiaohui Fan, Xiaojing Lin, Yilun Ma

arxiv:2509.02662 v1 · 2025-09-02 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JNK3GM3XUKHO2A7DMFHNEXRQTX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

9 papers in Pith

Little Red Dots at z~2 in EIGER reveal a gentle decline with respect to their peak number density at z~5

The UV Side of Little Red Dots: Red, Compact, and Iron-Enhanced Rest-UV Emission with a Strong Downturn around Ly$\alpha$

A Population of Little Red Dot-like Quasars in SDSS

(LRDs)$^2$: The Low-ReDshift Little Red Dots Survey. II. DESI DR1 Sample

Spectral Uniformity of Little Red Dots: A Natural Outcome of Coevolving Seed Black Holes and Nascent Starbursts

Receipt and verification

First computed	2026-07-05T12:03:55.078705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b55b33377a28eed03e3614ed25e309dc0fbf9ee85a74fd9c7e9e90cf4eab89e

Aliases

arxiv: 2509.02662 · arxiv_version: 2509.02662v1 · doi: 10.48550/arxiv.2509.02662 · pith_short_12: JNK3GM3XUKHO · pith_short_16: JNK3GM3XUKHO2A7D · pith_short_8: JNK3GM3X

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JNK3GM3XUKHO2A7DMFHNEXRQTX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4b55b33377a28eed03e3614ed25e309dc0fbf9ee85a74fd9c7e9e90cf4eab89e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8442dd696ddff154d76fe25a34eb20cf47d86dd0c1806ed8d7c7726c1599e4da",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-09-02T18:00:00Z",
    "title_canon_sha256": "02a3488444037d0697fbe6e8dcf8527f7e0fe70c71fd6b1eba10e541a44b641f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02662",
    "kind": "arxiv",
    "version": 1
  }
}