Pith Number

pith:RRK7GKVS

pith:2004:RRK7GKVSGJQ3INWCOIAS62PCHG

not attested not anchored not stored refs pending

Discovery of kilogauss magnetic fields in three DA white dwarfs

(2)Institut f\"ur Astronomie und Astrophysik, 3), (4) Department of Physics & Astronomy, (6) European Southern Observatory, Chile), ETH Z\"urich, Germany, Germany (3) Astronomisches Rechen-Institut, G. Mathys (6) ((1)Max-Planck-Institut f\"ur Aeronomie, Heidelberg, H. M. Schmid (5), Katlenburg-Lindau, Leicester, R. Aznar Cuadrado (1), R. Napiwotzki (4), Santiago, S. Jordan (2, S. K. Solanki (1), T\"ubingen, UK (5) Institut f\"ur Astronomie

arxiv:astro-ph/0405308 v2 · 2004-05-17 · 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{RRK7GKVSGJQ3INWCOIAS62PCHG}

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	2026-05-18T01:09:03.292396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c55f32ab23261b436c272012f69e2398d9d9ec276ea809c25da8f25ae89125f

Aliases

arxiv: astro-ph/0405308 · arxiv_version: astro-ph/0405308v2 · doi: 10.48550/arxiv.astro-ph/0405308 · pith_short_12: RRK7GKVSGJQ3 · pith_short_16: RRK7GKVSGJQ3INWC · pith_short_8: RRK7GKVS

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/RRK7GKVSGJQ3INWCOIAS62PCHG \
  | 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: 8c55f32ab23261b436c272012f69e2398d9d9ec276ea809c25da8f25ae89125f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39801ba15ca198ddc8678bf6b15951db39e137ac3072ee672c607fbdb4c2df75",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-17T08:26:56Z",
    "title_canon_sha256": "8ffb691e6366ae582cede22fe6845cbefc6c2a2b32da87fb5f6a4391828b2aff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405308",
    "kind": "arxiv",
    "version": 2
  }
}