Pith Number

pith:DWGUQ6LG

pith:2012:DWGUQ6LGXGHFPT45WQSSMQ4XFN

not attested not anchored not stored refs pending

Magnetic fields in central stars of planetary nebulae?

Klaus Werner, Simon J. O'Toole, Stefan Jordan, Stefano Bagnulo

arxiv:1204.2697 v1 · 2012-04-12 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWGUQ6LGXGHFPT45WQSSMQ4XFN}

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	2026-05-18T01:57:53.142692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d8d487966b98e57cf9db4252643972b5a100d019b6d8ddda3217ea891ee7a36

Aliases

arxiv: 1204.2697 · arxiv_version: 1204.2697v1 · doi: 10.48550/arxiv.1204.2697 · pith_short_12: DWGUQ6LGXGHF · pith_short_16: DWGUQ6LGXGHFPT45 · pith_short_8: DWGUQ6LG

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/DWGUQ6LGXGHFPT45WQSSMQ4XFN \
  | 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: 1d8d487966b98e57cf9db4252643972b5a100d019b6d8ddda3217ea891ee7a36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "210a59208925a27b6d5765d5224ea2dcd1244d428ab3d60140436b89125508dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-12T12:06:14Z",
    "title_canon_sha256": "de3388aca268040ff082f3aecfad8a1bf46c22d963c6962fda26d665f05e18aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2697",
    "kind": "arxiv",
    "version": 1
  }
}