Pith Number

pith:DIRXTVOZ

pith:2001:DIRXTVOZT5RQ3C5TN4C3LQEVPI

not attested not anchored not stored refs pending

An Integrable Shallow Water Equation with Linear and Nonlinear Dispersion

Darryl D. Holm, Georg Gottwald, Holger R. Dullin

arxiv:nlin/0104004 v1 · 2001-04-02 · 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{DIRXTVOZT5RQ3C5TN4C3LQEVPI}

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	2026-05-18T01:05:22.209337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a2379d5d99f630d8bb36f05b5c0957a0de1345c871c2bf00dbf5123a05c99d7

Aliases

arxiv: nlin/0104004 · arxiv_version: nlin/0104004v1 · doi: 10.48550/arxiv.nlin/0104004 · pith_short_12: DIRXTVOZT5RQ · pith_short_16: DIRXTVOZT5RQ3C5T · pith_short_8: DIRXTVOZ

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/DIRXTVOZT5RQ3C5TN4C3LQEVPI \
  | 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: 1a2379d5d99f630d8bb36f05b5c0957a0de1345c871c2bf00dbf5123a05c99d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e18b4e63179210a2801588b2313ced49c9957f2a53e7016ac3c79994dfc468c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.CD",
    "submitted_at": "2001-04-02T21:42:22Z",
    "title_canon_sha256": "e44a7f449f5450676876135428bd6ad022c7ab91c721f1f146855e2256609448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0104004",
    "kind": "arxiv",
    "version": 1
  }
}