Pith. sign in
Pith Number

pith:LDRFU6LV

pith:2020:LDRFU6LVPKXDQZXF3MWB7LN3TH
not attested not anchored not stored refs pending

The Clustering of X-ray Luminous Quasars

C. M. Urry, J. T. Johnson, K. E. Kollmann, M. C. Powell, N. Cappelluti, S. M. LaMassa, T. T. Ananna

arxiv:2001.07730 v3 · 2020-01-21 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LDRFU6LVPKXDQZXF3MWB7LN3TH}

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

1 paper in Pith

Receipt and verification
First computed 2026-07-05T00:46:57.185781Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

58e25a79757aae3866e5db2c1fadbb99c59f571303aa2c048734bd318fcbeb9f

Aliases

arxiv: 2001.07730 · arxiv_version: 2001.07730v3 · doi: 10.48550/arxiv.2001.07730 · pith_short_12: LDRFU6LVPKXD · pith_short_16: LDRFU6LVPKXDQZXF · pith_short_8: LDRFU6LV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LDRFU6LVPKXDQZXF3MWB7LN3TH \
  | 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: 58e25a79757aae3866e5db2c1fadbb99c59f571303aa2c048734bd318fcbeb9f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7163ad6b79fa6841e8adbd4b2f8d6d1cb1998f5ec2e7150a57c76dd0a6a69b86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-21T19:00:12Z",
    "title_canon_sha256": "affa3e208ec5e6d7d181e77fb7a2ded69cfba79273b557098f6bd88f45a69232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07730",
    "kind": "arxiv",
    "version": 3
  }
}