Pith Number

pith:WS7OCKUG

pith:2000:WS7OCKUGCW7WJPHAAHSR2B4SYB

not attested not anchored not stored refs pending

A Search for Wolf-Rayet Stars in the Small Magellanic Cloud

Alaine Duffy, Phil Massey

arxiv:astro-ph/0010420 v2 · 2000-10-20 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WS7OCKUGCW7WJPHAAHSR2B4SYB}

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.

Cited by

1 paper in Pith

Can current models predict the local black hole merger rate?

Receipt and verification

First computed	2026-07-04T16:17:26.362282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4bee12a8615bf64bce001e51d0792c0702477930b1de51dc8eec021b43a16af

Aliases

arxiv: astro-ph/0010420 · arxiv_version: astro-ph/0010420v2 · doi: 10.48550/arxiv.astro-ph/0010420 · pith_short_12: WS7OCKUGCW7W · pith_short_16: WS7OCKUGCW7WJPHA · pith_short_8: WS7OCKUG

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/WS7OCKUGCW7WJPHAAHSR2B4SYB \
  | 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: b4bee12a8615bf64bce001e51d0792c0702477930b1de51dc8eec021b43a16af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17884e1dddee8907852332ef0aafff47a726242326915d4a093b1c44d6593a0c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-20T15:15:25Z",
    "title_canon_sha256": "ec046181e3c17fbadd376fa9fffce77e213cf24b1323c5e6b8ca8385a8da2ef0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010420",
    "kind": "arxiv",
    "version": 2
  }
}