Pith Number

pith:XU6J43FZ

pith:2019:XU6J43FZPWGGT3ZDNZLA3DXDN4

not attested not anchored not stored refs pending

Discovery of the First Low-Luminosity Quasar at z > 7

Akatoki Noboriguchi, Andreas Schulze, Atsushi J. Nishizawa, Chien-Hsiu Lee, Hikari Shirakata, Hiroaki Sameshima, Hiroyuki Ikeda, Hisanori Furusawa, Hitoshi Murayama, James Bosch, James E. Gunn, Ji-Jia Tang, John D. Silverman, Kazushi Iwasawa, Kotaro Kohno, Mana Niida, Masafusa Onoue, Masahiro Takada, Masami Ouchi, Masamune Oguri, Masatoshi Imanishi, Masayuki Akiyama, Masayuki Tanaka, Michael A. Strauss, Nanako Kato, Naoko Asami, Naoshi Sugiyama, Nobunari Kashikawa, Paul A. Price, Philip J. Tait, Robert H. Lupton, Satoshi Kikuta, Satoshi Miyazaki, Shiang-Yu Wang, Shuhei Koyama, Tadafumi Takata, Takeo Minezaki, Takuji Yamashita, Takuma Izumi, Tohru Nagao, Tomotsugu Goto, Toshihiro Kawaguchi, Yoshiaki Ono, Yoshiki Matsuoka, Yoshiki Toba, Yousuke Utsumi, Yuichi Harikane, Yutaka Komiyama

arxiv:1901.10487 v1 · 2019-01-29 · 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{XU6J43FZPWGGT3ZDNZLA3DXDN4}

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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

1 paper in Pith

Constraining supermassive primordial black hole clustering with the angular auto-correlation of $z\simeq 6$ quasars

Receipt and verification

First computed	2026-07-05T00:09:49.802393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd3c9e6cb97d8c69ef236e560d8ee36f21f544c6aa90d419a21627e643154ad3

Aliases

arxiv: 1901.10487 · arxiv_version: 1901.10487v1 · doi: 10.48550/arxiv.1901.10487 · pith_short_12: XU6J43FZPWGG · pith_short_16: XU6J43FZPWGGT3ZD · pith_short_8: XU6J43FZ

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/XU6J43FZPWGGT3ZDNZLA3DXDN4 \
  | 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: bd3c9e6cb97d8c69ef236e560d8ee36f21f544c6aa90d419a21627e643154ad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d74fde76dec7c03721d4a0509828aa04678d20a112fcd11df6c9bbb00450968",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-29T19:00:02Z",
    "title_canon_sha256": "37ed16b02eafbe7c8684c1ee10467fd53649300b755984e853b90f383c6ec324"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10487",
    "kind": "arxiv",
    "version": 1
  }
}