Pith Number

pith:K32LONRB

pith:2004:K32LONRBJF66PJC4GFAHQQA44Q

not attested not anchored not stored refs pending

Citation measures and impact within astronomy

Frazer Pearce

arxiv:astro-ph/0401507 v1 · 2004-01-23 · 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{K32LONRBJF66PJC4GFAHQQA44Q}

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	2026-07-04T16:42:54.613978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56f4b73621497de7a45c314078401ce4309d0275a1ee6ed631d2588276f7150d

Aliases

arxiv: astro-ph/0401507 · arxiv_version: astro-ph/0401507v1 · doi: 10.48550/arxiv.astro-ph/0401507 · pith_short_12: K32LONRBJF66 · pith_short_16: K32LONRBJF66PJC4 · pith_short_8: K32LONRB

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/K32LONRBJF66PJC4GFAHQQA44Q \
  | 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: 56f4b73621497de7a45c314078401ce4309d0275a1ee6ed631d2588276f7150d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ca346836e25ee4945bb18a5632de56578ace94700207ec368c196491f48b305",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-23T16:59:56Z",
    "title_canon_sha256": "e3c3dd70d96226d6b4b94eaca156dbae00032e699500e402707069a3c22456dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401507",
    "kind": "arxiv",
    "version": 1
  }
}