Pith Number

pith:WM657RSI

pith:2010:WM657RSIYYWCFER7ZU6GYYKBFR

not attested not anchored not stored refs pending

The Nikolaevskiy equation with dispersion

Eman Simbawa, Paul C. Matthews, Stephen M. Cox

arxiv:1002.3490 v1 · 2010-02-18 · nlin.PS · 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{WM657RSIYYWCFER7ZU6GYYKBFR}

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	2026-05-18T02:08:59.643532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b33ddfc648c62c22923fcd3c6c61412c6147468bc2a25245663ac46e1b683749

Aliases

arxiv: 1002.3490 · arxiv_version: 1002.3490v1 · doi: 10.48550/arxiv.1002.3490 · pith_short_12: WM657RSIYYWC · pith_short_16: WM657RSIYYWCFER7 · pith_short_8: WM657RSI

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/WM657RSIYYWCFER7ZU6GYYKBFR \
  | 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: b33ddfc648c62c22923fcd3c6c61412c6147468bc2a25245663ac46e1b683749

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3db48ca45e1f19f6385374be3111b9ed1a3a911eb1556277f752e04b983b63f3",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2010-02-18T11:15:55Z",
    "title_canon_sha256": "d4234d7dc5d72b656e68c55f7fbe698ccd228c91f31e6a9cc360cbacec6b1253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3490",
    "kind": "arxiv",
    "version": 1
  }
}