Pith Number

pith:XJP7UWUA

pith:1999:XJP7UWUA73ATTH2WS5APCT6DMF

not attested not anchored not stored refs pending

On the dynamics of a self-gravitating medium with random and non-random initial conditions

Duccio Fanelli, Erik Aurell, Paolo Muratore-Ginanneschi

arxiv:chao-dyn/9909018 v2 · 1999-09-09 · chao-dyn · astro-ph · 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{XJP7UWUA73ATTH2WS5APCT6DMF}

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	2026-05-18T04:19:23.646620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba5ffa5a80fec1399f569740f14fc3616e02718a4a7a5153c6fb30d46fa28ec7

Aliases

arxiv: chao-dyn/9909018 · arxiv_version: chao-dyn/9909018v2 · doi: 10.48550/arxiv.chao-dyn/9909018 · pith_short_12: XJP7UWUA73AT · pith_short_16: XJP7UWUA73ATTH2W · pith_short_8: XJP7UWUA

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/XJP7UWUA73ATTH2WS5APCT6DMF \
  | 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: ba5ffa5a80fec1399f569740f14fc3616e02718a4a7a5153c6fb30d46fa28ec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17d28b763f0c54df1cc2fd0db5e66f0d7ef00fe691ec9ae7e9ef30a365845dcd",
    "cross_cats_sorted": [
      "astro-ph",
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "chao-dyn",
    "submitted_at": "1999-09-09T22:48:19Z",
    "title_canon_sha256": "3db649b8c67452c34aee8d925e6250079f4d8ad2bdc7154c88752c971aa62198"
  },
  "schema_version": "1.0",
  "source": {
    "id": "chao-dyn/9909018",
    "kind": "arxiv",
    "version": 2
  }
}