Pith Number

pith:WE4PYA3Y

pith:2008:WE4PYA3YPIV7FX5UOKBLJPTDL6

not attested not anchored not stored refs pending

Anatomy of the Bar Instability in Cuspy Dark Matter Halos

Ingo Berentzen, Isaac Shlosman, John Dubinski

arxiv:0810.4925 v2 · 2008-10-28 · 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{WE4PYA3YPIV7FX5UOKBLJPTDL6}

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	2026-05-18T04:29:25.660662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b138fc03787a2bf2dfb47282b4be635fbc58fb5c7e23e72127fd8fe34a19e4ff

Aliases

arxiv: 0810.4925 · arxiv_version: 0810.4925v2 · doi: 10.48550/arxiv.0810.4925 · pith_short_12: WE4PYA3YPIV7 · pith_short_16: WE4PYA3YPIV7FX5U · pith_short_8: WE4PYA3Y

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/WE4PYA3YPIV7FX5UOKBLJPTDL6 \
  | 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: b138fc03787a2bf2dfb47282b4be635fbc58fb5c7e23e72127fd8fe34a19e4ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa12fb025520114500655fff12570c17f0d52b6eebf553f1540be8cd69e85ffe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-28T01:05:53Z",
    "title_canon_sha256": "6eb2ca8442e669cd4456c51c7d2aa6eefdace1d3199cb522b856771342935aa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4925",
    "kind": "arxiv",
    "version": 2
  }
}