Pith Number

pith:DRPOVICB

pith:2005:DRPOVICB3WXGD5OIDH2UO2LXAH

not attested not anchored not stored refs pending

Statistics of Physical Properties of Dark Matter Clusters

J.P. Ostriker, J. Weller, L.D. Shaw, P. Bode

arxiv:astro-ph/0509856 v2 · 2005-09-28 · 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{DRPOVICB3WXGD5OIDH2UO2LXAH}

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	2026-05-18T04:36:29.693470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c5eeaa041ddae61f5c819f547697701d72c8dbf48e30c999612a2726ad5ec1f

Aliases

arxiv: astro-ph/0509856 · arxiv_version: astro-ph/0509856v2 · doi: 10.48550/arxiv.astro-ph/0509856 · pith_short_12: DRPOVICB3WXG · pith_short_16: DRPOVICB3WXGD5OI · pith_short_8: DRPOVICB

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/DRPOVICB3WXGD5OIDH2UO2LXAH \
  | 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: 1c5eeaa041ddae61f5c819f547697701d72c8dbf48e30c999612a2726ad5ec1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5b50dbf73717c70ff4e89fca0970d995d205ad4acc5eef9d029ba910b095740",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-28T20:07:26Z",
    "title_canon_sha256": "f3f528b3870ea79711cb511555765b47fe6b21f9fc7bf494443972b59e4d3eb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509856",
    "kind": "arxiv",
    "version": 2
  }
}