Pith Number

pith:A2XX6LBR

pith:2004:A2XX6LBRRUA2WTB7VTFBNMMDGN

not attested not anchored not stored refs pending

Photospheric magnetic field and surface differential rotation of the FK Com star HD 199178

D. Mouillet, F. Lignieres, F. Paletou, G.A. Wade, J.D. Landstreet, J.-F. Donati, J.M. Oliveira, M. Auriere, N. Toque, P. Petit, S. Bagnulo, S. Marsden, S. Strasser, T. Lueftinger

arxiv:astro-ph/0403284 v1 · 2004-03-11 · 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{A2XX6LBRRUA2WTB7VTFBNMMDGN}

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	2026-07-04T16:43:13.538378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06af7f2c318d01ab4c3facca16b1833367bb3ac71d5b72c9f6566fd5d0fd05c9

Aliases

arxiv: astro-ph/0403284 · arxiv_version: astro-ph/0403284v1 · doi: 10.48550/arxiv.astro-ph/0403284 · pith_short_12: A2XX6LBRRUA2 · pith_short_16: A2XX6LBRRUA2WTB7 · pith_short_8: A2XX6LBR

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/A2XX6LBRRUA2WTB7VTFBNMMDGN \
  | 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: 06af7f2c318d01ab4c3facca16b1833367bb3ac71d5b72c9f6566fd5d0fd05c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6af87f256f23c64ea3ea14aafe100c16b5f023b4ba2fe9a0eeb69bd2389364b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-11T16:16:16Z",
    "title_canon_sha256": "d824da131feeb374228ae480e9887b8530162edcba9b91fc645123618accd8c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403284",
    "kind": "arxiv",
    "version": 1
  }
}