Pith Number

pith:J4UFT54S

pith:2008:J4UFT54S456W7ZUAAOXG7MXPYP

not attested not anchored not stored refs pending

Analysis of the Hydrogen-rich Magnetic White Dwarfs in the SDSS

Baybars K\"ulebi, Fabian Euchner, Heiko Hirsch, Stefan Jordan, Wolfgang L\"offler

arxiv:0812.1942 v1 · 2008-12-10 · 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{J4UFT54S456W7ZUAAOXG7MXPYP}

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	2026-07-04T15:46:23.449335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f2859f792e77d6fe68003ae6fb2efc3dd748e57ea696f1538dc468c67cb8870

Aliases

arxiv: 0812.1942 · arxiv_version: 0812.1942v1 · doi: 10.48550/arxiv.0812.1942 · pith_short_12: J4UFT54S456W · pith_short_16: J4UFT54S456W7ZUA · pith_short_8: J4UFT54S

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/J4UFT54S456W7ZUAAOXG7MXPYP \
  | 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: 4f2859f792e77d6fe68003ae6fb2efc3dd748e57ea696f1538dc468c67cb8870

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97b40e978a98a605386b3f3502276ceeadd284a5d43282225ed7fdba30317068",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-10T16:13:45Z",
    "title_canon_sha256": "1012e4f46c042b0418db0671ad795ae81a0f3f513a956b224403bcb5ed8e5709"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.1942",
    "kind": "arxiv",
    "version": 1
  }
}