Pith Number

pith:27D57EXD

pith:2006:27D57EXD67WOX4CZ7MVOULGDQZ

not attested not anchored not stored refs pending

Investigation of the magnetic field characteristics of Herbig Ae/Be stars: Discovery of the pre-main sequence progenitors of the magnetic Ap/Bp stars

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

arxiv:astro-ph/0601624 v2 · 2006-01-26 · 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{27D57EXD67WOX4CZ7MVOULGDQZ}

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	2026-07-04T14:52:33.516824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7c7df92e3f7ecebf059fb2aea2cc3865cc5cb0a19ede8c474d38ae289cb6991

Aliases

arxiv: astro-ph/0601624 · arxiv_version: astro-ph/0601624v2 · doi: 10.48550/arxiv.astro-ph/0601624 · pith_short_12: 27D57EXD67WO · pith_short_16: 27D57EXD67WOX4CZ · pith_short_8: 27D57EXD

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/27D57EXD67WOX4CZ7MVOULGDQZ \
  | 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: d7c7df92e3f7ecebf059fb2aea2cc3865cc5cb0a19ede8c474d38ae289cb6991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "342d87198174a543f59e0a6ec52edc13488de4d8e7996649468a7723ac08ae5f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-26T21:27:02Z",
    "title_canon_sha256": "1e06ae0f0242f8ee90a8819ce1e445e1f7e39eb07b2ee8aecb29e10ab31ac43c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601624",
    "kind": "arxiv",
    "version": 2
  }
}