Pith Number

pith:37IY2PJL

pith:2015:37IY2PJLPQ7PEMXHHRLHNO7RXW

not attested not anchored not stored refs pending

An ultra-luminous quasar with a twelve-billion-solar-mass black hole at redshift 6.30

David Thompson, Feige Wang, Fuyan Bian, Ian D. McGreer, Jinyi Yang, Linhua Jiang, Qian Yang, Ran Wang, Weimin Yi, Wenwen Zuo, Xiaohui Fan, Xue-Bing Wu, Yuri Beletsky

arxiv:1502.07418 v2 · 2015-02-26 · 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{37IY2PJLPQ7PEMXHHRLHNO7RXW}

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

7 papers in Pith

Radio jets from AGN in dwarf galaxies in the COSMOS survey: mechanical feedback out to redshift $\sim$3.4

Finding Quasars behind the Galactic Plane. IV. Candidate Selection from Chandra with Random Forest

Blackbody Quasar and Radio Source (BBQSORS): A Candidate of Transitional Little Red Dots with a $T\sim10^4\ K$ Blackbody Spectrum

Gravitational Waves from the Cosmic Dawn: Tracing Cosmic Black Hole Binaries with ET, LGWA and LISA

ArkenstoneBH. A model for high-specific energy black hole feedback in cosmological simulations

Receipt and verification

First computed	2026-05-18T02:25:55.405198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfd18d3d2b7c3ef232e73c5676bbf1bdad52079ac07d9876dc1514e966eb3da7

Aliases

arxiv: 1502.07418 · arxiv_version: 1502.07418v2 · doi: 10.48550/arxiv.1502.07418 · pith_short_12: 37IY2PJLPQ7P · pith_short_16: 37IY2PJLPQ7PEMXH · pith_short_8: 37IY2PJL

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/37IY2PJLPQ7PEMXHHRLHNO7RXW \
  | 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: dfd18d3d2b7c3ef232e73c5676bbf1bdad52079ac07d9876dc1514e966eb3da7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8450c66c47204e99d687ad6e06bb0e2fc413c8636b84565bb993a57e2a86edb0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-26T03:25:37Z",
    "title_canon_sha256": "2cc3c4029aa74e65903455c51bdb8341dee680f785fa2bee736ec5e41c8244bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07418",
    "kind": "arxiv",
    "version": 2
  }
}