Pith Number

pith:H42CJIJO

pith:2016:H42CJIJOQYWUGWIKWFMC4ATK33

not attested not anchored not stored refs pending

Integrability study of a four-dimensional eighth-order nonlinear wave equation

Sergei Sakovich

arxiv:1607.08408 v1 · 2016-07-28 · nlin.SI · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H42CJIJOQYWUGWIKWFMC4ATK33}

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	2026-05-18T00:31:42.103032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f3424a12e862d43590ab1582e026adef67ee7126099b4a40908375668079f8f

Aliases

arxiv: 1607.08408 · arxiv_version: 1607.08408v1 · doi: 10.48550/arxiv.1607.08408 · pith_short_12: H42CJIJOQYWU · pith_short_16: H42CJIJOQYWUGWIK · pith_short_8: H42CJIJO

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/H42CJIJOQYWUGWIKWFMC4ATK33 \
  | 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: 3f3424a12e862d43590ab1582e026adef67ee7126099b4a40908375668079f8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6618a1cf41f17e907f3342ab59731f104db5d6fc467c446ca62ddd3ba0443e5c",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2016-07-28T11:25:37Z",
    "title_canon_sha256": "af414547e741bf5d068c8c06951f10a561c8e3a424119d29e3053f63e8ccd193"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08408",
    "kind": "arxiv",
    "version": 1
  }
}