Pith Number

pith:IPJNENBS

pith:2014:IPJNENBSLOLYJQYJGCGYGEVS6I

not attested not anchored not stored refs pending

The impact of rotation on the line profiles of Wolf-Rayet stars

Helge Todt, Tomer Shenar, Wolf-Rainer Hamann

arxiv:1401.2159 v1 · 2014-01-09 · 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{IPJNENBSLOLYJQYJGCGYGEVS6I}

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	2026-05-18T01:45:26.962880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43d2d234325b9784c309308d8312b2f20351447caad774207602153903407557

Aliases

arxiv: 1401.2159 · arxiv_version: 1401.2159v1 · doi: 10.48550/arxiv.1401.2159 · pith_short_12: IPJNENBSLOLY · pith_short_16: IPJNENBSLOLYJQYJ · pith_short_8: IPJNENBS

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/IPJNENBSLOLYJQYJGCGYGEVS6I \
  | 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: 43d2d234325b9784c309308d8312b2f20351447caad774207602153903407557

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d19eb063cf3911ce8da76b8d0137c087dc34da32098a027486503444bab27daf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-09T21:00:03Z",
    "title_canon_sha256": "8cf005f0965ec1099d18af65f05d43046558ea45bc66f3598f6129a9baf59acf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2159",
    "kind": "arxiv",
    "version": 1
  }
}