Pith Number

pith:LQBB4CVS

pith:2002:LQBB4CVSBJJ7NMNTLGNKJ6BOER

not attested not anchored not stored refs pending

Fractal analysis on a closed classical hard-wall billiard using a simplified box-counting algorithm

Suhan Ree

arxiv:nlin/0208037 v1 · 2002-08-27 · 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{LQBB4CVSBJJ7NMNTLGNKJ6BOER}

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	2026-05-18T03:56:58.528738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c021e0ab20a53f6b1b3599aa4f82e2475093c5686bc92b84dda924e95b2b9ca

Aliases

arxiv: nlin/0208037 · arxiv_version: nlin/0208037v1 · doi: 10.48550/arxiv.nlin/0208037 · pith_short_12: LQBB4CVSBJJ7 · pith_short_16: LQBB4CVSBJJ7NMNT · pith_short_8: LQBB4CVS

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/LQBB4CVSBJJ7NMNTLGNKJ6BOER \
  | 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: 5c021e0ab20a53f6b1b3599aa4f82e2475093c5686bc92b84dda924e95b2b9ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a22fe963e1aca49320f525e08e8e24a9e2dbda068cad106be2480371f8fe47e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.CD",
    "submitted_at": "2002-08-27T15:45:45Z",
    "title_canon_sha256": "6b2140e57dabb907f5417d542dd346762dad0eed2a0efdb16f10f6d5464ac440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0208037",
    "kind": "arxiv",
    "version": 1
  }
}