Pith Number

pith:ZHPIQCWK

pith:2000:ZHPIQCWKIBXQ2K2NP7MEJBM3TM

not attested not anchored not stored refs pending

A Search for Jovian Planets around Hot White Dwarfs

B.C. Dunne, R.A. Gruendl (UIUC), W. Brandner (IfA), Y.-H. Chu

arxiv:astro-ph/0010469 v1 · 2000-10-24 · 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{ZHPIQCWKIBXQ2K2NP7MEJBM3TM}

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	2026-07-04T16:17:27.135695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9de880aca406f0d2b4d7fd844859b9b3209885eba7312a1752e208c6f090900

Aliases

arxiv: astro-ph/0010469 · arxiv_version: astro-ph/0010469v1 · doi: 10.48550/arxiv.astro-ph/0010469 · pith_short_12: ZHPIQCWKIBXQ · pith_short_16: ZHPIQCWKIBXQ2K2N · pith_short_8: ZHPIQCWK

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/ZHPIQCWKIBXQ2K2NP7MEJBM3TM \
  | 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: c9de880aca406f0d2b4d7fd844859b9b3209885eba7312a1752e208c6f090900

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98c7242eae9d636705fd9e5b88808923a6ade923a64dca3d0fa2a3959f5b09b6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-24T01:56:18Z",
    "title_canon_sha256": "12b51860e1d130d34c7b58276a9b77939bf7b27bdb4c1dd04b60882a71925d9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010469",
    "kind": "arxiv",
    "version": 1
  }
}