Pith Number

pith:SUZ6TTPB

pith:2005:SUZ6TTPBNZIWRQP7UCFYXOEZIX

not attested not anchored not stored refs pending

A New Wolf-Rayet Star and its Ring Nebula: PCG11

(2) Department of Physics, 3), (3) Anglo-Australian Observatory, (4) School of Physics, Anne J. Green (4) ((1) Radio Astronomy Lab., Australia, Australia), Epping, Macquarie University, Martin Cohen (1), Quentin A. Parker (2, Sydney, UC-Berkeley, University of Sydney

arxiv:astro-ph/0504492 v1 · 2005-04-22 · 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{SUZ6TTPBNZIWRQP7UCFYXOEZIX}

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	2026-05-18T04:27:04.281358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9533e9cde16e5168c1ffa08b8bb89945e7e14d04ee99f167770e3cb587b82ffa

Aliases

arxiv: astro-ph/0504492 · arxiv_version: astro-ph/0504492v1 · doi: 10.48550/arxiv.astro-ph/0504492 · pith_short_12: SUZ6TTPBNZIW · pith_short_16: SUZ6TTPBNZIWRQP7 · pith_short_8: SUZ6TTPB

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/SUZ6TTPBNZIWRQP7UCFYXOEZIX \
  | 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: 9533e9cde16e5168c1ffa08b8bb89945e7e14d04ee99f167770e3cb587b82ffa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a2fd6d53d806f3dd0345869b5f7f61980f3a85eb2587ae8f3b577f1070b8204",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-22T05:27:20Z",
    "title_canon_sha256": "f22212481548fba3b60fe519dd53a2529a859a0e79cf98958c4c847ecf71227f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504492",
    "kind": "arxiv",
    "version": 1
  }
}