Pith Number

pith:4JNDN7HP

pith:2005:4JNDN7HPWDUDPI55KKMC5T5JMM

not attested not anchored not stored refs pending

Studying Galaxy Formation in Loose Galaxy Groups

B.K. Gibson, D.G. Barnes, D.J. Pisano, K.C. Freeman, L. Staveley-Smith, V.A. Kilborn

arxiv:astro-ph/0509226 v1 · 2005-09-08 · 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{4JNDN7HPWDUDPI55KKMC5T5JMM}

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	2026-05-18T01:40:33.516156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e25a36fcefb0e837a3bd52982ecfa9633e1b42f984971e0894ae3057f59e184d

Aliases

arxiv: astro-ph/0509226 · arxiv_version: astro-ph/0509226v1 · doi: 10.48550/arxiv.astro-ph/0509226 · pith_short_12: 4JNDN7HPWDUD · pith_short_16: 4JNDN7HPWDUDPI55 · pith_short_8: 4JNDN7HP

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/4JNDN7HPWDUDPI55KKMC5T5JMM \
  | 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: e25a36fcefb0e837a3bd52982ecfa9633e1b42f984971e0894ae3057f59e184d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34f88f6013c82586ed04b78db8b931419aad87a0757f24faacc2deffdeae7d0f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-08T17:39:31Z",
    "title_canon_sha256": "174536f1c3bbba9be107cdf445c1f1f8c03dd2192125aa06200b7066b53d4584"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509226",
    "kind": "arxiv",
    "version": 1
  }
}