Pith Number

pith:2OQPZ2VR

pith:2005:2OQPZ2VRFYNIHY7J3J6VOV4BVQ

not attested not anchored not stored refs pending

Cusps in CDM halos

((1) University of Zurich, 2), (2) ETH Zurich, 3), (3) University of California Santa Cruz), Ben Moore (1), Joachim Stadel (1), Juerg Diemand (1, Marcella Carollo (2), Marcel Zemp (1

arxiv:astro-ph/0504215 v3 · 2005-04-08 · 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{2OQPZ2VRFYNIHY7J3J6VOV4BVQ}

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.

Cited by

1 paper in Pith

Threshold Drop in Accretion Density if Dark Energy is Accreting onto a Supermassive Black Hole

Receipt and verification

First computed	2026-07-04T16:52:09.578184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3a0fceab12e1a83e3e9da7d575781ac1dd42b8a92cb6e2b2857d3542588ec1f

Aliases

arxiv: astro-ph/0504215 · arxiv_version: astro-ph/0504215v3 · doi: 10.48550/arxiv.astro-ph/0504215 · pith_short_12: 2OQPZ2VRFYNI · pith_short_16: 2OQPZ2VRFYNIHY7J · pith_short_8: 2OQPZ2VR

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/2OQPZ2VRFYNIHY7J3J6VOV4BVQ \
  | 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: d3a0fceab12e1a83e3e9da7d575781ac1dd42b8a92cb6e2b2857d3542588ec1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b3dbc8d26fa0d5240f4e60c752a104ca13c24cb3dd11bb7e518ed24f3d835bd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-08T21:30:45Z",
    "title_canon_sha256": "6c4f6f8e3e9f2748a90a52da2cf3641cc629547b8b465a2a32f5c3b71a357124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504215",
    "kind": "arxiv",
    "version": 3
  }
}