Pith Number

pith:SXUMGHGP

pith:2005:SXUMGHGPC3ANQOSCP57WP5TFXG

not attested not anchored not stored refs pending

Discovery of the pre-main sequence progenitors of the magnetic Ap/Bp stars?

C. Catala, D. Drouin, E. Alecian, E. Mason, G.A. Wade, J.-C. Bouret, J.D. Landstreet, J.-F. Donati, J. Silvester, S. Bagnulo, T. Bohm

arxiv:astro-ph/0509295 v1 · 2005-09-12 · 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{SXUMGHGPC3ANQOSCP57WP5TFXG}

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	2026-07-04T16:52:53.420182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95e8c31ccf16c0d83a427f7f67f665b9b252f4326eec82471f0cac78e649a808

Aliases

arxiv: astro-ph/0509295 · arxiv_version: astro-ph/0509295v1 · doi: 10.48550/arxiv.astro-ph/0509295 · pith_short_12: SXUMGHGPC3AN · pith_short_16: SXUMGHGPC3ANQOSC · pith_short_8: SXUMGHGP

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/SXUMGHGPC3ANQOSCP57WP5TFXG \
  | 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: 95e8c31ccf16c0d83a427f7f67f665b9b252f4326eec82471f0cac78e649a808

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ef57b268b629cc1496cafebcf73d2d4cf8a61a5878184d1eeadacfca8c0af2c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-12T16:18:01Z",
    "title_canon_sha256": "67dd33eb86a6e2321eff18170e25770ba272460c3db11a9e654bfe5e9a3bf544"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509295",
    "kind": "arxiv",
    "version": 1
  }
}