Pith Number

pith:XY7YHX2F

pith:2004:XY7YHX2FBURWQUBGXGSY5RXUIN

not attested not anchored not stored refs pending

A Graphical User Interface to Simulate Classical Billiard Systems

Mason A. Porter, Steven Lansel

arxiv:nlin/0405003 v1 · 2004-05-02 · nlin.CD · cond-mat.other · math-ph · math.DS · math.MP · physics.atom-ph · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XY7YHX2FBURWQUBGXGSY5RXUIN}

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	2026-05-18T01:05:21.864562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be3f83df450d23685026b9a58ec6f443650cbe7991fd4dfdda40334f226c35ad

Aliases

arxiv: nlin/0405003 · arxiv_version: nlin/0405003v1 · doi: 10.48550/arxiv.nlin/0405003 · pith_short_12: XY7YHX2FBURW · pith_short_16: XY7YHX2FBURWQUBG · pith_short_8: XY7YHX2F

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/XY7YHX2FBURWQUBGXGSY5RXUIN \
  | 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: be3f83df450d23685026b9a58ec6f443650cbe7991fd4dfdda40334f226c35ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2c658dfda235859f8514bd1ff97c723f634d0d03fc4e57f6fb336a3c630ee31",
    "cross_cats_sorted": [
      "cond-mat.other",
      "math-ph",
      "math.DS",
      "math.MP",
      "physics.atom-ph",
      "physics.pop-ph"
    ],
    "license": "",
    "primary_cat": "nlin.CD",
    "submitted_at": "2004-05-02T20:57:57Z",
    "title_canon_sha256": "5ec123dbcecf67528adbb6bee2e70818f1689e1fdc40ea7d497670d044021d88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0405003",
    "kind": "arxiv",
    "version": 1
  }
}