Pith Number

pith:LFDELW2M

pith:2004:LFDELW2MBZ7HG3FPEFSPIX4AP3

not attested not anchored not stored refs pending

What does the nonextensive parameter q stand for in self-gravitating systems ?

Jiulin Du

arxiv:nlin/0404039 v5 · 2004-04-21 · nlin.AO · astro-ph · cond-mat.stat-mech · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFDELW2MBZ7HG3FPEFSPIX4AP3}

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	2026-05-18T01:35:38.611161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

594645db4c0e7e736caf2164f45f807ef7982a40de805713b682c76625b79158

Aliases

arxiv: nlin/0404039 · arxiv_version: nlin/0404039v5 · doi: 10.48550/arxiv.nlin/0404039 · pith_short_12: LFDELW2MBZ7H · pith_short_16: LFDELW2MBZ7HG3FP · pith_short_8: LFDELW2M

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/LFDELW2MBZ7HG3FPEFSPIX4AP3 \
  | 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: 594645db4c0e7e736caf2164f45f807ef7982a40de805713b682c76625b79158

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bd7f678b4d7c5a3a06d37d519fb1d1684df3a312776c0d0e605fbabf7f9d192",
    "cross_cats_sorted": [
      "astro-ph",
      "cond-mat.stat-mech",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.AO",
    "submitted_at": "2004-04-21T11:26:07Z",
    "title_canon_sha256": "58a57ecd9cda7eb404fa309f0d8a0f2bb81f4d9cea2c9885cdb48a18b56ba65e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0404039",
    "kind": "arxiv",
    "version": 5
  }
}