Pith Number

pith:SFHTPCZE

pith:2018:SFHTPCZE544NKV7XFIQQVPG6XD

not attested not anchored not stored refs pending

A Modern Search for Wolf-Rayet Stars in the Magellanic Clouds. IV. A Final Census

Kathryn F. Neugent, Nidia Morrell, Philip Massey

arxiv:1807.01209 v1 · 2018-07-03 · 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{SFHTPCZE544NKV7XFIQQVPG6XD}

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	2026-05-18T00:07:06.419110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

914f378b24ef38d557f72a210abcdeb8c2ed53086cb611a75826fb93d0fc67a7

Aliases

arxiv: 1807.01209 · arxiv_version: 1807.01209v1 · doi: 10.48550/arxiv.1807.01209 · pith_short_12: SFHTPCZE544N · pith_short_16: SFHTPCZE544NKV7X · pith_short_8: SFHTPCZE

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/SFHTPCZE544NKV7XFIQQVPG6XD \
  | 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: 914f378b24ef38d557f72a210abcdeb8c2ed53086cb611a75826fb93d0fc67a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1da271dab499ada966774950fd0a32a60051ee2021936eb32940c7f09c9213eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-03T14:38:42Z",
    "title_canon_sha256": "307401f4411e1f015177dde884d612c1577df92a191eef26941259230d6559ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01209",
    "kind": "arxiv",
    "version": 1
  }
}