Pith Number

pith:MCUNX6VQ

pith:2016:MCUNX6VQOYLCJXHEO2GBTSKKTO

not attested not anchored not stored refs pending

Problems for the WELS classification of planetary nebulae central stars: Self-consistent nebular modelling of four candidates

A. Alruhaili, Alaa Ali, Hassan M. Basurah, Michael A. Dopita, Morsi A. Amer, R. Alsulami

arxiv:1602.08708 v1 · 2016-02-28 · 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{MCUNX6VQOYLCJXHEO2GBTSKKTO}

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	2026-05-18T01:19:00.868372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60a8dbfab0761624dce4768c19c94a9b9a4ffde3a03360ae9c2fa21937414400

Aliases

arxiv: 1602.08708 · arxiv_version: 1602.08708v1 · doi: 10.48550/arxiv.1602.08708 · pith_short_12: MCUNX6VQOYLC · pith_short_16: MCUNX6VQOYLCJXHE · pith_short_8: MCUNX6VQ

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/MCUNX6VQOYLCJXHEO2GBTSKKTO \
  | 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: 60a8dbfab0761624dce4768c19c94a9b9a4ffde3a03360ae9c2fa21937414400

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1211cf3f087dafc42fd56803d75a05c5935fc82cf1c6b65591a0ed142271e6c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-02-28T12:56:19Z",
    "title_canon_sha256": "b38254f15c9ae0e155e81103a42c72d9dc7d3d8e9a955c7b3999747b90da6f02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08708",
    "kind": "arxiv",
    "version": 1
  }
}