Pith Number

pith:Y4PGDPDS

pith:2004:Y4PGDPDSTBSKSYJOAKBTWQPJ4U

not attested not anchored not stored refs pending

Discovery of a WO star in the Scutum-Crux arm of the inner Galaxy

Janet E. Drew, M. J. Barlow, M. J. Pierce, M. R. W. Masheder, Q. A. Parker, R. Wesson, S. Phillipps, Y. C. Unruh

arxiv:astro-ph/0403482 v1 · 2004-03-19 · 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{Y4PGDPDSTBSKSYJOAKBTWQPJ4U}

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	2026-05-18T04:27:04.567129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c71e61bc729864a9612e02833b41e9e51fb4af954a7d28f876754f9c794869ae

Aliases

arxiv: astro-ph/0403482 · arxiv_version: astro-ph/0403482v1 · doi: 10.48550/arxiv.astro-ph/0403482 · pith_short_12: Y4PGDPDSTBSK · pith_short_16: Y4PGDPDSTBSKSYJO · pith_short_8: Y4PGDPDS

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/Y4PGDPDSTBSKSYJOAKBTWQPJ4U \
  | 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: c71e61bc729864a9612e02833b41e9e51fb4af954a7d28f876754f9c794869ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb03d0a5e2d1c69ef2b2e8a7bd9aa9004a479ccee7b56930246e943b86ad08f9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-19T18:00:36Z",
    "title_canon_sha256": "1910a29d6855395ead1a93c945fa2c6bf30a08f7118bf3bd212965afcb67738d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403482",
    "kind": "arxiv",
    "version": 1
  }
}