Pith Number

pith:NLVDQSI6

pith:1998:NLVDQSI62LLJUCF6RGPXBDP3XP

not attested not anchored not stored refs pending

Galaxy clusters at 0.3 < z < 0.4 and the value of \Omega_0

Andrew R Liddle, Pedro T P Viana

arxiv:astro-ph/9803244 v3 · 1998-03-20 · 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{NLVDQSI62LLJUCF6RGPXBDP3XP}

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	2026-05-18T01:40:14.237034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aea38491ed2d69a08be899f708dfbbbceb6662b0ec10a8625f647bd5c06dd7f

Aliases

arxiv: astro-ph/9803244 · arxiv_version: astro-ph/9803244v3 · doi: 10.48550/arxiv.astro-ph/9803244 · pith_short_12: NLVDQSI62LLJ · pith_short_16: NLVDQSI62LLJUCF6 · pith_short_8: NLVDQSI6

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/NLVDQSI62LLJUCF6RGPXBDP3XP \
  | 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: 6aea38491ed2d69a08be899f708dfbbbceb6662b0ec10a8625f647bd5c06dd7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d60afa7a1142a6134d18e2a43d5a6c4ef542db6fb1dd6ba631cce3e316dff6b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-03-20T14:47:59Z",
    "title_canon_sha256": "373dc5f900b5d86e01bb2acd31c22e4d62f2de50f08c2f2cd7513de85ff3308e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9803244",
    "kind": "arxiv",
    "version": 3
  }
}