Pith Number

pith:IOKGYT75

pith:2004:IOKGYT75YFNPJUDN6TBEX677UL

not attested not anchored not stored refs pending

Atmospheric parameters and abundances of sdB stars

Bmaberg, Germany), H. Edelmannn (Dr. Remeis-Sternwarte, U. Heber, University of Erlangen-Nuernberg

arxiv:astro-ph/0405426 v1 · 2004-05-21 · 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{IOKGYT75YFNPJUDN6TBEX677UL}

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	2026-07-04T16:43:48.816935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43946c4ffdc15af4d06df4c24bfbffa2ddabffad8a3e6844138264bbbda6b70d

Aliases

arxiv: astro-ph/0405426 · arxiv_version: astro-ph/0405426v1 · doi: 10.48550/arxiv.astro-ph/0405426 · pith_short_12: IOKGYT75YFNP · pith_short_16: IOKGYT75YFNPJUDN · pith_short_8: IOKGYT75

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/IOKGYT75YFNPJUDN6TBEX677UL \
  | 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: 43946c4ffdc15af4d06df4c24bfbffa2ddabffad8a3e6844138264bbbda6b70d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efca8713314a328867921891a8eaf1c296b02f260076c459284b618de7f03003",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-21T17:38:11Z",
    "title_canon_sha256": "7e98cedfeaa8636645f5b464ea27a1d543eb749b1994bf5c06972006671a6f68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405426",
    "kind": "arxiv",
    "version": 1
  }
}