Pith Number

pith:ZJWWCFDY

pith:2014:ZJWWCFDYR33PQFM5BXVSBTTCOQ

not attested not anchored not stored refs pending

The Korteweg-de Vries equation and its symmetry-preserving discretization

Alexander Bihlo, Pavel Winternitz, Xavier Coiteux-Roy

arxiv:1409.4340 v1 · 2014-09-15 · math-ph · math.MP · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZJWWCFDYR33PQFM5BXVSBTTCOQ}

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	2026-05-18T01:42:02.527438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca6d6114788ef6f8159d0deb20ce62741835401e626c4e6db63b98ad8bdb58ab

Aliases

arxiv: 1409.4340 · arxiv_version: 1409.4340v1 · doi: 10.48550/arxiv.1409.4340 · pith_short_12: ZJWWCFDYR33P · pith_short_16: ZJWWCFDYR33PQFM5 · pith_short_8: ZJWWCFDY

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/ZJWWCFDYR33PQFM5BXVSBTTCOQ \
  | 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: ca6d6114788ef6f8159d0deb20ce62741835401e626c4e6db63b98ad8bdb58ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f4d1479b0d250c21644323541a0cd194cbee7b8b0d50d64757564e9341be378",
    "cross_cats_sorted": [
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-09-15T17:24:51Z",
    "title_canon_sha256": "e5f115524c4fa99d1e4f752942a0be2b52612b011cecf1a6c6006c07304e01d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4340",
    "kind": "arxiv",
    "version": 1
  }
}