Pith Number

pith:UGEMLBGU

pith:2026:UGEMLBGUYETSMSPEOOZKWJA5MZ

not attested not anchored not stored refs pending

The quasi-star model for Little Red Dots: potential and challenges

Anton M. Koekemoer, Benjamin Magnelli, Borja P\'erez-D\'iaz, Casey Papovich, Dale Kocevski, David Elbaz, Emanuele Daddi, Fabrizio Gentile, Giovanni Gandolfi, Guillermo Barro, Ivan Delvecchio, Jean-Baptiste Billand, Jonathan R. Trump, Kelcey Davis, Lorenzo Napolitano, L. Y. Aaron Yung, Mark Dickinson, Mauro Giavalisco, Maximilen Franco, Michaela Hirschmann, Nikko J. Cleri, Pablo Perez-Gonzalez, Ray Lucas, Sara Mascia, Steven L. Finkelstein, Weida Hu, Xin Wang, Yingjie Cheng

arxiv:2606.06575 v1 · 2026-06-04 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGEMLBGUYETSMSPEOOZKWJA5MZ}

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.

Receipt and verification

First computed	2026-06-08T00:03:45.321888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a188c584d4c1272649e473b2ab241d6661f13a4ea5e49343208944a8cb4d74b0

Aliases

arxiv: 2606.06575 · arxiv_version: 2606.06575v1 · doi: 10.48550/arxiv.2606.06575 · pith_short_12: UGEMLBGUYETS · pith_short_16: UGEMLBGUYETSMSPE · pith_short_8: UGEMLBGU

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/UGEMLBGUYETSMSPEOOZKWJA5MZ \
  | 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: a188c584d4c1272649e473b2ab241d6661f13a4ea5e49343208944a8cb4d74b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ef415ea0c6cd794d1eb8ac8fefc28d6d483f76ff2b845b77bfd96a6b1d0de7d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-04T18:00:00Z",
    "title_canon_sha256": "4e7651d5209f6461c8a95eca6d95859079b92a2abb5925f8de9213f60e9bd659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.06575",
    "kind": "arxiv",
    "version": 1
  }
}