Pith Number

pith:IMAPMPO3

pith:2003:IMAPMPO3YXVZULCGDU6BWNYEHO

not attested not anchored not stored refs pending

The Conspicuous Absence of X-ray Emission from Carbon-Enriched Wolf-Rayet Stars

A.M.T.Pollock, J.C.Brown, L.M.Oskinova, R.Ignace, W.-R. Hamann

arxiv:astro-ph/0303025 v1 · 2003-03-03 · 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{IMAPMPO3YXVZULCGDU6BWNYEHO}

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	2026-05-18T04:21:41.662456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4300f63ddbc5eb9a2c461d3c1b37043b8f7646b532f76e5d4ddd26423aa34269

Aliases

arxiv: astro-ph/0303025 · arxiv_version: astro-ph/0303025v1 · doi: 10.48550/arxiv.astro-ph/0303025 · pith_short_12: IMAPMPO3YXVZ · pith_short_16: IMAPMPO3YXVZULCG · pith_short_8: IMAPMPO3

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/IMAPMPO3YXVZULCGDU6BWNYEHO \
  | 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: 4300f63ddbc5eb9a2c461d3c1b37043b8f7646b532f76e5d4ddd26423aa34269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d77ed1f73a7d1de45d1026078886a16e17543e0ca0bc2ef97c4ea1fce1c404a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-03T09:20:35Z",
    "title_canon_sha256": "2d35bf254643f019ef30955f1b734ebdeb9fd66707d6b55564eb2ffb37253afe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303025",
    "kind": "arxiv",
    "version": 1
  }
}