Pith Number

pith:M4WKJKXF

pith:2018:M4WKJKXFHMQCKXA5HIU3Q3AILL

not attested not anchored not stored refs pending

Deep CFHT Y-band Imaging of VVDS-F22 Field: II. Quasar Selection and Quasar Luminosity Function

Dezi Liu, Feige Wang, Huanyuan Shan, Ian D. McGreer, Jinyi Yang, Qian Yang, Shuo Yuan, Xiaohui Fan, Xue-Bing Wu, Zuhui Fan

arxiv:1801.01245 v1 · 2018-01-04 · 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{M4WKJKXFHMQCKXA5HIU3Q3AILL}

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

MUltiplexed Survey Telescope (MUST) Science White Paper I: Overview of Large-Scale Structure Cosmology in the Era of Stage-V Spectroscopic Surveys

Receipt and verification

First computed	2026-05-18T00:22:56.906447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

672ca4aae53b20255c1d3a29b86c085acf890f69c9568103cd2b5b4432459868

Aliases

arxiv: 1801.01245 · arxiv_version: 1801.01245v1 · doi: 10.48550/arxiv.1801.01245 · pith_short_12: M4WKJKXFHMQC · pith_short_16: M4WKJKXFHMQCKXA5 · pith_short_8: M4WKJKXF

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/M4WKJKXFHMQCKXA5HIU3Q3AILL \
  | 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: 672ca4aae53b20255c1d3a29b86c085acf890f69c9568103cd2b5b4432459868

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a00dd9a95e36af09e080974f939f7351f6fcc5d369621b75db4fb3ebb484c13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-04T05:17:54Z",
    "title_canon_sha256": "dd783439b8e71b57ca7019df6019bc9cf28e8276f497085c1367edadea269733"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01245",
    "kind": "arxiv",
    "version": 1
  }
}