Pith Number

pith:ZULOWJMF

pith:2003:ZULOWJMFIHBUD4FVZYPCCLLYRZ

not attested not anchored not stored refs pending

IRAS 08544-4431 : a new post-AGB star in a binary system surrounded by a dusty disc

D. Kilkenny, F. Marang, F. van Wyk, H. Van Winckel, L.-A. Nyman, P. Martinez, T. Lloyd Evans, T. Maas

arxiv:astro-ph/0306492 v1 · 2003-06-24 · 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{ZULOWJMFIHBUD4FVZYPCCLLYRZ}

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	2026-07-04T16:52:02.543371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd16eb258541c341f0b5ce1e212d788e5c8ad76a808f1acf45c9d37759eea0c5

Aliases

arxiv: astro-ph/0306492 · arxiv_version: astro-ph/0306492v1 · doi: 10.48550/arxiv.astro-ph/0306492 · pith_short_12: ZULOWJMFIHBU · pith_short_16: ZULOWJMFIHBUD4FV · pith_short_8: ZULOWJMF

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/ZULOWJMFIHBUD4FVZYPCCLLYRZ \
  | 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: cd16eb258541c341f0b5ce1e212d788e5c8ad76a808f1acf45c9d37759eea0c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cab4a99f05fc2d49857933d5e8af92b43cff0957d94350be4fff30fc79e620bc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-06-24T11:27:02Z",
    "title_canon_sha256": "52eedbd9dbbe539a273d65c23ab7d01ed2ee3279929d59438aab394602d59f97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0306492",
    "kind": "arxiv",
    "version": 1
  }
}