Pith Number

pith:PCSG4XKX

pith:2003:PCSG4XKXSM6BNYYPODOJM33227

not attested not anchored not stored refs pending

The Chemical Composition of Two Supergiants in the Dwarf Irregular Galaxy WLM

A. Kaufer (ESO), Cambridge, Cambridge), D.J. Lennon (ING, E. D. Skillman (Univ. of Minnesota), E. Tolstoy (Groningen), Hawaii), K.A. Venn (IoA, La Palma), Macalester College, MN), R.P. Kudritzki (IfA, S.J. Smartt (IoA, S. M. Clarkson (Macalester College)

arxiv:astro-ph/0306160 v1 · 2003-06-09 · 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{PCSG4XKXSM6BNYYPODOJM33227}

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	2026-07-04T16:37:15.987095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78a46e5d57933c16e30f70dc966f7ad7e9ff98dc25d0b909f8744ce50a5bd70f

Aliases

arxiv: astro-ph/0306160 · arxiv_version: astro-ph/0306160v1 · doi: 10.48550/arxiv.astro-ph/0306160 · pith_short_12: PCSG4XKXSM6B · pith_short_16: PCSG4XKXSM6BNYYP · pith_short_8: PCSG4XKX

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/PCSG4XKXSM6BNYYPODOJM33227 \
  | 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: 78a46e5d57933c16e30f70dc966f7ad7e9ff98dc25d0b909f8744ce50a5bd70f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be07394d8a43f71efca268a2d88b120718710d2ca317f21d16ee2488566aad29",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-06-09T09:47:40Z",
    "title_canon_sha256": "2c570fb7ebd9f63f719ec404c15f9e8dfe26d9f53491f070e632ffa5a87aeb81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0306160",
    "kind": "arxiv",
    "version": 1
  }
}