Pith Number

pith:V4VHQE3L

pith:1998:V4VHQE3LYDAACWDMZJRDWEFTWT

not attested not anchored not stored refs pending

Classical and quantum chaos in a circular billiard with a straight cut

L. E. Reichl, Suhan Ree

arxiv:chao-dyn/9807018 v1 · 1998-07-09 · chao-dyn · 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{V4VHQE3LYDAACWDMZJRDWEFTWT}

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	2026-05-18T03:56:58.619446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af2a78136bc0c001586cca623b10b3b4d10649b5f2b96d8f988c6360f45d868b

Aliases

arxiv: chao-dyn/9807018 · arxiv_version: chao-dyn/9807018v1 · doi: 10.48550/arxiv.chao-dyn/9807018 · pith_short_12: V4VHQE3LYDAA · pith_short_16: V4VHQE3LYDAACWDM · pith_short_8: V4VHQE3L

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/V4VHQE3LYDAACWDMZJRDWEFTWT \
  | 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: af2a78136bc0c001586cca623b10b3b4d10649b5f2b96d8f988c6360f45d868b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1705b01caee8d8c622988d21b3e783fee6158f19a4404dbcce869810a1caeca1",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "chao-dyn",
    "submitted_at": "1998-07-09T21:25:53Z",
    "title_canon_sha256": "30fb934f6d192d00cfda41a05761c8670f3964b13b102555ffe3d3cd854fe92e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "chao-dyn/9807018",
    "kind": "arxiv",
    "version": 1
  }
}