Pith Number

pith:XFQXJC3T

pith:2007:XFQXJC3T2URGRU7WDRXFP4EC4V

not attested not anchored not stored refs pending

Why are some A stars magnetic, while most are not?

A. Hui Bon Hoa, A. L\`ebre, B. Dintrans, C.P. Folsom, D. Mouillet, F. Ligni\'eres, F. Paletou, F. Rincon, G.A. Wade, J.D. Landstreet, J.-F. Donati, J. Power, J. Silvester, K. Bale, M. Auri\`ere, M. Gruberbauer, N. Johnson, N. Toque, P. Petit, S. Bagnulo, S. Jeffers, S. Marsden, S. Naseri, T. Lueftinger

arxiv:0712.3614 v1 · 2007-12-21 · 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{XFQXJC3T2URGRU7WDRXFP4EC4V}

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	2026-07-04T15:06:26.164312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b961748b73d52268d3f61c6e57f082e57c2973038310c4a84bcc3e9465e37759

Aliases

arxiv: 0712.3614 · arxiv_version: 0712.3614v1 · doi: 10.48550/arxiv.0712.3614 · pith_short_12: XFQXJC3T2URG · pith_short_16: XFQXJC3T2URGRU7W · pith_short_8: XFQXJC3T

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/XFQXJC3T2URGRU7WDRXFP4EC4V \
  | 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: b961748b73d52268d3f61c6e57f082e57c2973038310c4a84bcc3e9465e37759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1911da7c558e13f7b1e31e1fe98c015d202ebe65d8a24113e1de33790f123044",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-21T02:27:36Z",
    "title_canon_sha256": "783137f84dc863b5f2fd7d7eda1f9a3f8e7abf4c8d9e7e23decdde18ec551a75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.3614",
    "kind": "arxiv",
    "version": 1
  }
}