Pith Number

pith:5AJ7NGEH

pith:2009:5AJ7NGEHCWLZGIHBU4ED5SJ3LX

not attested not anchored not stored refs pending

A theorem on central velocity dispersions

Cambridge), Copenhagen), Jin H. An (Dark, NBI, N. Wyn Evans (IoA

arxiv:0906.3673 v1 · 2009-06-19 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5AJ7NGEHCWLZGIHBU4ED5SJ3LX}

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	2026-05-18T04:29:42.671782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e813f6988715979320e1a7083ec93b5dc5497d042c14953fdb74fecf7d42c6c7

Aliases

arxiv: 0906.3673 · arxiv_version: 0906.3673v1 · doi: 10.48550/arxiv.0906.3673 · pith_short_12: 5AJ7NGEHCWLZ · pith_short_16: 5AJ7NGEHCWLZGIHB · pith_short_8: 5AJ7NGEH

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/5AJ7NGEHCWLZGIHBU4ED5SJ3LX \
  | 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: e813f6988715979320e1a7083ec93b5dc5497d042c14953fdb74fecf7d42c6c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c248138167d6472e5831cf4094e94183e5521cfedec70f17a65e0360316208f5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-06-19T14:06:42Z",
    "title_canon_sha256": "00cae551850747db17e50ee08c2cc09c257b266a46ebe72c2ebbd38c1fc6fe81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3673",
    "kind": "arxiv",
    "version": 1
  }
}