Pith Number

pith:YWKOTC5T

pith:2018:YWKOTC5T7THPCJICSB7VUK4DDM

not attested not anchored not stored refs pending

A Study of Wolf-Rayet stars Formed via Chemically Homogeneous Evolution

Chunhua Zhu, Guoliang Lu, Hailiang Chen, Zhanwen Han, Zhaojun Wang, Zhe Cui

arxiv:1805.08397 v1 · 2018-05-22 · 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{YWKOTC5T7THPCJICSB7VUK4DDM}

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	2026-05-18T00:11:04.787385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c594e98bb3fccef12502907f5a2b831b2a13de85a5b6e2c73f21a4561f1cc0ce

Aliases

arxiv: 1805.08397 · arxiv_version: 1805.08397v1 · doi: 10.48550/arxiv.1805.08397 · pith_short_12: YWKOTC5T7THP · pith_short_16: YWKOTC5T7THPCJIC · pith_short_8: YWKOTC5T

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/YWKOTC5T7THPCJICSB7VUK4DDM \
  | 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: c594e98bb3fccef12502907f5a2b831b2a13de85a5b6e2c73f21a4561f1cc0ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94651e4659256e9ff9d01732cb112877e1c7dcc7a2500c73cbdf10c9e8b8861a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-22T05:17:38Z",
    "title_canon_sha256": "f28beba24a9a04f94f1dc7f35abcce080a42a671b29472fa5eee065a7a53d6b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08397",
    "kind": "arxiv",
    "version": 1
  }
}