Pith Number

pith:WIHRAXU4

pith:2014:WIHRAXU43GWJ6DQT2RQVQJQXMO

not attested not anchored not stored refs pending

Upper limits to the magnetic field in central stars of planetary nebulae

2), (2) Universidad de La Laguna, (3) Universita di Catania), A. Asensio Ramos (1, F. Leone (3) ((1) Instituto de Astrofisica de Canarias, M. J. Martinez Gonzalez (1, R. L. M. Corradi (1, R. Manso Sainz (1

arxiv:1404.2718 v1 · 2014-04-10 · 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{WIHRAXU43GWJ6DQT2RQVQJQXMO}

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	2026-05-18T01:43:35.798311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b20f105e9cd9ac9f0e13d4615826176392b5077ba54fb54b5baa75512812f642

Aliases

arxiv: 1404.2718 · arxiv_version: 1404.2718v1 · doi: 10.48550/arxiv.1404.2718 · pith_short_12: WIHRAXU43GWJ · pith_short_16: WIHRAXU43GWJ6DQT · pith_short_8: WIHRAXU4

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/WIHRAXU43GWJ6DQT2RQVQJQXMO \
  | 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: b20f105e9cd9ac9f0e13d4615826176392b5077ba54fb54b5baa75512812f642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f710fed2c18a8bb9aa8835d75a6d0b94c2bb6826a0239a79644f8709920a99fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-04-10T07:42:47Z",
    "title_canon_sha256": "7676d7d30f33765ddd796ebfbc9a915c998648fa68912928b72f1f6d3ee06d00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2718",
    "kind": "arxiv",
    "version": 1
  }
}