Pith Number

pith:PWQRNL7B

pith:2013:PWQRNL7BJLV72HFBMRAZT4AYDL

not attested not anchored not stored refs pending

Algorithmic framework for group analysis of differential equations and its application to generalized Zakharov--Kuznetsov equations

Ding-jiang Huang, Nataliya M. Ivanova

arxiv:1309.1664 v1 · 2013-09-06 · math-ph · math.AP · math.MP · 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{PWQRNL7BJLV72HFBMRAZT4AYDL}

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	2026-05-18T03:13:58.937253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da116afe14aebfd1ca1644199f0181ae9cf314ddf5cf0334f339e4c07d15685

Aliases

arxiv: 1309.1664 · arxiv_version: 1309.1664v1 · doi: 10.48550/arxiv.1309.1664 · pith_short_12: PWQRNL7BJLV7 · pith_short_16: PWQRNL7BJLV72HFB · pith_short_8: PWQRNL7B

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/PWQRNL7BJLV72HFBMRAZT4AYDL \
  | 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: 7da116afe14aebfd1ca1644199f0181ae9cf314ddf5cf0334f339e4c07d15685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "863c2fadd120818c0c3c59f8349a17c8164b3c07442af92fd60943a4ab7f9d90",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-09-06T14:56:20Z",
    "title_canon_sha256": "19be5ea7fd9c4077e6282ffa1f1ccdeb9a062537b071ae38cd72bb5a862c2ea2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1664",
    "kind": "arxiv",
    "version": 1
  }
}