Pith Number

pith:WZUJFJUA

pith:2008:WZUJFJUALGEWXIWNIAKYCDHTC5

not attested not anchored not stored refs pending

Mapping the Dark Side with DEIMOS: Globular Clusters, X-ray Gas, and Dark Matter in the NGC 1407 Group

Aaron J. Romanowsky, Duncan A. Forbes, Jay Strader, Jean P. Brodie, Lee R. Spitler, Ria Johnson, Trevor Ponman

arxiv:0809.2088 v2 · 2008-09-11 · 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{WZUJFJUALGEWXIWNIAKYCDHTC5}

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	2026-05-18T02:15:34.803466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b66892a68059896ba2cd4015810cf3175f97e6ee86fe8e5769933cdc883b3ede

Aliases

arxiv: 0809.2088 · arxiv_version: 0809.2088v2 · doi: 10.48550/arxiv.0809.2088 · pith_short_12: WZUJFJUALGEW · pith_short_16: WZUJFJUALGEWXIWN · pith_short_8: WZUJFJUA

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/WZUJFJUALGEWXIWNIAKYCDHTC5 \
  | 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: b66892a68059896ba2cd4015810cf3175f97e6ee86fe8e5769933cdc883b3ede

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3982a8d8a374eeebc258e5735873346558537b51d4eab8780857f8c345f9e547",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-11T21:31:51Z",
    "title_canon_sha256": "d8abca2a1d816ac114fa9301d4075944c4e2e0872fd7bebf103e6114f953b74f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2088",
    "kind": "arxiv",
    "version": 2
  }
}