Pith Number

pith:IB75DLVL

pith:2004:IB75DLVLUBQ3CZC6BEXWDAPA5S

not attested not anchored not stored refs pending

Praesepe and the seven white dwarfs

(2) University of Hertfordshire, (3) IfA, (4) NOAO, AZ), D.J. Pinfield (2), I. Hubeny (4) ((1) University of Leicester, M.A. Barstow (1), M.R. Burleigh (1), N.C. Hambly (3), P.D. Dobbie (1), R.F. Jameson (1), R. Napiwotzki (1), Tucson, UK, University of Edinburgh

arxiv:astro-ph/0410529 v1 · 2004-10-22 · 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{IB75DLVLUBQ3CZC6BEXWDAPA5S}

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	2026-05-18T04:25:26.808367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

407fd1aeaba061b1645e092f6181e0ecbf85b2a103b9728fccd07c871776bfe6

Aliases

arxiv: astro-ph/0410529 · arxiv_version: astro-ph/0410529v1 · doi: 10.48550/arxiv.astro-ph/0410529 · pith_short_12: IB75DLVLUBQ3 · pith_short_16: IB75DLVLUBQ3CZC6 · pith_short_8: IB75DLVL

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/IB75DLVLUBQ3CZC6BEXWDAPA5S \
  | 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: 407fd1aeaba061b1645e092f6181e0ecbf85b2a103b9728fccd07c871776bfe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a1e3fca2b440f877a5d9ad1ba55d0e00fdd43bf576f9550614fe8d139c64cba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-22T09:20:49Z",
    "title_canon_sha256": "cfead19a7df3493570088325e3e15955d428e6fa9a0cd61c4af958b719e8d35d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410529",
    "kind": "arxiv",
    "version": 1
  }
}