Pith Number

pith:TQ3MRYOX

pith:2005:TQ3MRYOXIGVDMT6ECL5NPB5EJY

not attested not anchored not stored refs pending

WR 143: A Wolf-Rayet Binary

Nagarhalli M. Ashok, Watson P. Varricatt

arxiv:astro-ph/0510152 v1 · 2005-10-05 · 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{TQ3MRYOXIGVDMT6ECL5NPB5EJY}

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	2026-05-18T01:40:33.296872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c36c8e1d741aa364fc412fad787a44e07873bd18bbecf5515bce8dbb0906fa5

Aliases

arxiv: astro-ph/0510152 · arxiv_version: astro-ph/0510152v1 · doi: 10.48550/arxiv.astro-ph/0510152 · pith_short_12: TQ3MRYOXIGVD · pith_short_16: TQ3MRYOXIGVDMT6E · pith_short_8: TQ3MRYOX

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/TQ3MRYOXIGVDMT6ECL5NPB5EJY \
  | 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: 9c36c8e1d741aa364fc412fad787a44e07873bd18bbecf5515bce8dbb0906fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17bf33575f9fbed044b227778a88469d23334cccd5300fc93e94dc80409ae00c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-10-05T21:26:22Z",
    "title_canon_sha256": "caf86505dd0a18c829ab3898ae1180ced61aa9e30b45d6fcabc34cf696d6e62c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0510152",
    "kind": "arxiv",
    "version": 1
  }
}