Pith Number

pith:VGCZ7MPM

pith:2010:VGCZ7MPMHI6O4ZLMST55IBGZ3N

not attested not anchored not stored refs pending

A modification of the method of characteristics: a new class of multidimensional partially integrable nonlinear systems

A. I. Zenchuk

arxiv:1012.5344 v3 · 2010-12-24 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGCZ7MPMHI6O4ZLMST55IBGZ3N}

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	2026-05-18T02:04:17.832425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9859fb1ec3a3cee656c94fbd404d9db45d25fef50acdd19d302fb2037dfef19

Aliases

arxiv: 1012.5344 · arxiv_version: 1012.5344v3 · doi: 10.48550/arxiv.1012.5344 · pith_short_12: VGCZ7MPMHI6O · pith_short_16: VGCZ7MPMHI6O4ZLM · pith_short_8: VGCZ7MPM

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/VGCZ7MPMHI6O4ZLMST55IBGZ3N \
  | 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: a9859fb1ec3a3cee656c94fbd404d9db45d25fef50acdd19d302fb2037dfef19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "949665bdb10ba69f813bd58764d7985227f20102ae1f30ea63c35159cc3a26ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2010-12-24T05:58:52Z",
    "title_canon_sha256": "7006fa0231f040f1bdc6ed176034596f8ea984c89901d362b108d4f244d19e72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5344",
    "kind": "arxiv",
    "version": 3
  }
}