Pith Number

pith:SQEUZDGC

pith:2009:SQEUZDGCLBSH5JDEIPLQH35CPY

not attested not anchored not stored refs pending

Galaxy distribution and extreme value statistics

Francesco Sylos Labini, Nikolay L. Vasilyev, Tibor Antal, Yurij V. Baryshev

arxiv:0909.1507 v1 · 2009-09-08 · astro-ph.CO · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQEUZDGCLBSH5JDEIPLQH35CPY}

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	2026-05-18T02:34:30.787581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94094c8cc258647ea46443d703efa27e12d10794fdcc883196c7660c848accd6

Aliases

arxiv: 0909.1507 · arxiv_version: 0909.1507v1 · doi: 10.48550/arxiv.0909.1507 · pith_short_12: SQEUZDGCLBSH · pith_short_16: SQEUZDGCLBSH5JDE · pith_short_8: SQEUZDGC

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/SQEUZDGCLBSH5JDEIPLQH35CPY \
  | 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: 94094c8cc258647ea46443d703efa27e12d10794fdcc883196c7660c848accd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85e7d1fc974f7a0a30d14dd4ad5c8c1f8956aa3a0d955e174ec35c3a01ba47c3",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-08T15:29:45Z",
    "title_canon_sha256": "e6f12da1277b34ccd91e3004813a32cc9fc9c2f84e93a9809a57561d2a30e19c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1507",
    "kind": "arxiv",
    "version": 1
  }
}