Pith Number

pith:KVUNZZKE

pith:2003:KVUNZZKEZTMOVUTJDE7H4356TQ

not attested not anchored not stored refs pending

Single and Composite Hot Subdwarf Stars in the Light of 2MASS Photometry

M. A. Stark, Richard A. Wade (The Pennsylvania State University)

arxiv:astro-ph/0305511 v1 · 2003-05-27 · 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{KVUNZZKEZTMOVUTJDE7H4356TQ}

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	2026-07-04T16:37:12.545510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5568dce544ccd8ead269193e7e6fbe9c231b1895a589daeacdedf6e88b17d4a6

Aliases

arxiv: astro-ph/0305511 · arxiv_version: astro-ph/0305511v1 · doi: 10.48550/arxiv.astro-ph/0305511 · pith_short_12: KVUNZZKEZTMO · pith_short_16: KVUNZZKEZTMOVUTJ · pith_short_8: KVUNZZKE

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/KVUNZZKEZTMOVUTJDE7H4356TQ \
  | 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: 5568dce544ccd8ead269193e7e6fbe9c231b1895a589daeacdedf6e88b17d4a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4669907634dbfef24a69588b30e270b0acb800f1a2fb561b7efed09fb0677b9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-27T18:00:17Z",
    "title_canon_sha256": "56dde4266f9a9c4dab7bc37293ced5aeba0d0fae741e7c394647702c5146ed1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305511",
    "kind": "arxiv",
    "version": 1
  }
}