Pith Number

pith:ZGLBUBFR

pith:2017:ZGLBUBFR5BKFKWGIYNB6SCFJRM

not attested not anchored not stored refs pending

The Evolution and Physical Parameters of WN3/O3s: a New Type of Wolf-Rayet Star

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

arxiv:1704.05497 v1 · 2017-04-18 · 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{ZGLBUBFR5BKFKWGIYNB6SCFJRM}

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	2026-05-18T00:43:25.552216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9961a04b1e8545558c8c343e908a98b13a079510ce5565d0a63d3ee0e57f9b6

Aliases

arxiv: 1704.05497 · arxiv_version: 1704.05497v1 · doi: 10.48550/arxiv.1704.05497 · pith_short_12: ZGLBUBFR5BKF · pith_short_16: ZGLBUBFR5BKFKWGI · pith_short_8: ZGLBUBFR

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/ZGLBUBFR5BKFKWGIYNB6SCFJRM \
  | 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: c9961a04b1e8545558c8c343e908a98b13a079510ce5565d0a63d3ee0e57f9b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "986b93d0778329113e65bec09cbcd1a9180316bf46b31c340969e61e6178f62a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-04-18T19:01:36Z",
    "title_canon_sha256": "0a0328a5b376744abe9d9715844a9ae91fc65b5c329f9aee7e2b28d6dec7fedb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05497",
    "kind": "arxiv",
    "version": 1
  }
}