Pith Number

pith:27VERXE5

pith:2013:27VERXE52EHOLLARSNMUUWIWMB

not attested not anchored not stored refs pending

Quasar-Galaxy Clustering through Projected Galaxy Counts at z=0.6-1.2

2), 2) ((1) Polar Research Institute of China (2) Key Laboratory for Researches in Galaxies, Cosmology, Department of Astronomy, Hongyan Zhou (1, Hui-Yuan Wang (2), Shao-Hua Zhang (1, Technology of China), Ting-Gui Wang (2), University of Sciences

arxiv:1307.1951 v1 · 2013-07-08 · 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{27VERXE52EHOLLARSNMUUWIWMB}

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	2026-05-18T02:30:40.601658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7ea48dc9dd10ee5ac1193594a5916606557230203fa77cc7ed3bbb60f330da4

Aliases

arxiv: 1307.1951 · arxiv_version: 1307.1951v1 · doi: 10.48550/arxiv.1307.1951 · pith_short_12: 27VERXE52EHO · pith_short_16: 27VERXE52EHOLLAR · pith_short_8: 27VERXE5

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/27VERXE52EHOLLARSNMUUWIWMB \
  | 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: d7ea48dc9dd10ee5ac1193594a5916606557230203fa77cc7ed3bbb60f330da4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80ee80ef12e05687f6e00f150be85adb9193ae7f0b6260e972cd874e32307ba7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-08T06:07:55Z",
    "title_canon_sha256": "906f93e854f7486606008be4d1431a4a1e02d3dafc81dcb110f135d1470ef650"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1951",
    "kind": "arxiv",
    "version": 1
  }
}