Pith Number

pith:UUKYM7LC

pith:2000:UUKYM7LCEHBLKNNA4XZ7DRDZRJ

not attested not anchored not stored refs pending

High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data IV: Luminosity Function from the Fall Equatorial Stripe Sampl

D. P. Schneider, et al, G. T. Richards, J. A. Newman, J. E. Gunn, M. A. Strauss, M. Davis, R. H. Becker, R. H. Lupton, R. L. White, X. Fan

arxiv:astro-ph/0008123 v2 · 2000-08-08 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUKYM7LCEHBLKNNA4XZ7DRDZRJ}

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

Shape-Preserving Evolution of the Global Ultraviolet Quasar Luminosity Function to $z\simeq7.5$

Receipt and verification

First computed	2026-07-04T16:17:00.934547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a515867d6221c2b535a0e5f3f1c4798a46173aab56d8cebc4a61e7e2f2e2edc3

Aliases

arxiv: astro-ph/0008123 · arxiv_version: astro-ph/0008123v2 · doi: 10.48550/arxiv.astro-ph/0008123 · pith_short_12: UUKYM7LCEHBL · pith_short_16: UUKYM7LCEHBLKNNA · pith_short_8: UUKYM7LC

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/UUKYM7LCEHBLKNNA4XZ7DRDZRJ \
  | 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: a515867d6221c2b535a0e5f3f1c4798a46173aab56d8cebc4a61e7e2f2e2edc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ff421ece47a25db628fec8be7fa5ff7454b5a4d4078c29c09ad0a85a064240",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-08-08T14:13:02Z",
    "title_canon_sha256": "a7fb44bf2c7274e72ca3ba01c302ac1518d7daed6ea1815227997d0d355b5edd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0008123",
    "kind": "arxiv",
    "version": 2
  }
}