Pith Number

pith:P3RF2FYR

pith:1997:P3RF2FYRREWPVGJLT6Q4ZDYTKY

not attested not anchored not stored refs pending

A Study of Quasar Clustering at z>2.7 from the Palomar Transit Grism Survey

Andrew W. Stephens, David H. Weinberg, Donald P. Schneider, James E. Gunn, Maarten Schmidt

arxiv:astro-ph/9708241 v1 · 1997-08-26 · 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{P3RF2FYRREWPVGJLT6Q4ZDYTKY}

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

Clustering of high-redshift quasars with DESI DR2

Receipt and verification

First computed	2026-07-04T16:03:12.682264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ee25d1711892cfa992b9fa1cc8f135602fc59e675f20b3379c946dddea8393f

Aliases

arxiv: astro-ph/9708241 · arxiv_version: astro-ph/9708241v1 · doi: 10.48550/arxiv.astro-ph/9708241 · pith_short_12: P3RF2FYRREWP · pith_short_16: P3RF2FYRREWPVGJL · pith_short_8: P3RF2FYR

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/P3RF2FYRREWPVGJLT6Q4ZDYTKY \
  | 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: 7ee25d1711892cfa992b9fa1cc8f135602fc59e675f20b3379c946dddea8393f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "498f26e677c4e0f0a206522daccc7760f2a1adfbb047ea9a757f5b6449703e1e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-26T18:59:05Z",
    "title_canon_sha256": "3dc66ae86c1fc1c8624a6e23b04c013c10c1becd6e835074a4dcc32ae739db24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708241",
    "kind": "arxiv",
    "version": 1
  }
}