Pith Number

pith:TVJW7UB5

pith:2017:TVJW7UB56FL7MAVCWBLBC7Z3C2

not attested not anchored not stored refs pending

The Evolutionary Status of WN3/O3 Wolf-Rayet Stars

D. John Hillier, Kathryn F. Neugent, Nidia I. Morrell, Phil Massey

arxiv:1701.08154 v1 · 2017-01-27 · 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{TVJW7UB56FL7MAVCWBLBC7Z3C2}

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	2026-05-18T00:30:46.057858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d536fd03df157f602a2b056117f3b16aa64303c9de78bb8279fd3962a61167b

Aliases

arxiv: 1701.08154 · arxiv_version: 1701.08154v1 · doi: 10.48550/arxiv.1701.08154 · pith_short_12: TVJW7UB56FL7 · pith_short_16: TVJW7UB56FL7MAVC · pith_short_8: TVJW7UB5

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/TVJW7UB56FL7MAVCWBLBC7Z3C2 \
  | 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: 9d536fd03df157f602a2b056117f3b16aa64303c9de78bb8279fd3962a61167b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c40a4489f5a247a659ad912b40f73da0a2f0f5e953f46018ca3fb91a9c056cc2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-27T18:56:32Z",
    "title_canon_sha256": "03931db5de1e43f935ac26d5878e7c9d64bd8d8020a9137cc719975734db3482"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08154",
    "kind": "arxiv",
    "version": 1
  }
}