Pith Number

pith:I7WRVIUH

pith:2008:I7WRVIUHV7VWLMZ4BY6SHSQ2CL

not attested not anchored not stored refs pending

Cold Dark Matter Substructure and Galactic Disks

Andrew R. Zentner (U.Pittsburgh), James S. Bullock (UC Irvine), Stelios Kazantzidis (CCAPP/OSU)

arxiv:0807.2863 v1 · 2008-07-18 · 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{I7WRVIUHV7VWLMZ4BY6SHSQ2CL}

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	2026-05-18T02:15:44.898851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47ed1aa287afeb65b33c0e3d23ca1a12f1b02463fa859919c0172f0af8685939

Aliases

arxiv: 0807.2863 · arxiv_version: 0807.2863v1 · doi: 10.48550/arxiv.0807.2863 · pith_short_12: I7WRVIUHV7VW · pith_short_16: I7WRVIUHV7VWLMZ4 · pith_short_8: I7WRVIUH

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/I7WRVIUHV7VWLMZ4BY6SHSQ2CL \
  | 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: 47ed1aa287afeb65b33c0e3d23ca1a12f1b02463fa859919c0172f0af8685939

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03b199ea320a36849b8b6afcfe51e822bdf2035a792f81d4e43520fd390e2599",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-18T16:23:33Z",
    "title_canon_sha256": "8e7be0d3cb6fd1e0bb4d9b18cb334b412c9cfa682873d541e74fe8d7f1d70c95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2863",
    "kind": "arxiv",
    "version": 1
  }
}