Pith Number

pith:2SZQ6O3G

pith:2012:2SZQ6O3GHPBI5XEJ64ZUGJKLOE

not attested not anchored not stored refs pending

Geometric numerical schemes for the KdV equation

Denys Dutykh (LAMA), Francesco Fedele (ECE GeorgiaTech), Marx Chhay (LOCIE)

arxiv:1205.1418 v1 · 2012-05-07 · physics.class-ph · math.NA · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SZQ6O3GHPBI5XEJ64ZUGJKLOE}

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	2026-05-18T03:27:32.906018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4b30f3b663bc28edc89f73343254b713b910a77034f2783b16dc5412e49afcb

Aliases

arxiv: 1205.1418 · arxiv_version: 1205.1418v1 · doi: 10.48550/arxiv.1205.1418 · pith_short_12: 2SZQ6O3GHPBI · pith_short_16: 2SZQ6O3GHPBI5XEJ · pith_short_8: 2SZQ6O3G

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/2SZQ6O3GHPBI5XEJ64ZUGJKLOE \
  | 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: d4b30f3b663bc28edc89f73343254b713b910a77034f2783b16dc5412e49afcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da7bc7b7e4cbaf196416ef84ed6583a430c04ac9519cd92cc3918b47ad8251ee",
    "cross_cats_sorted": [
      "math.NA",
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2012-05-07T14:57:43Z",
    "title_canon_sha256": "50a69f0f46496b67057bd4aadf08fb81d1de62eca85dc67a17585d9c1f194a08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1418",
    "kind": "arxiv",
    "version": 1
  }
}