Pith Number

pith:B2A32B2Z

pith:2001:B2A32B2ZLNZM56XHGFDNGICKMX

not attested not anchored not stored refs pending

Perturbation theory for nearly integrable multi-component nonlinear PDEs

V. S. Shchesnovich

arxiv:nlin/0110029 v2 · 2001-10-17 · 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{B2A32B2ZLNZM56XHGFDNGICKMX}

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	2026-05-18T01:38:21.684132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e81bd07595b72cefae73146d3204a65f386671fe9ed440517d5dcfdd0ac19dc

Aliases

arxiv: nlin/0110029 · arxiv_version: nlin/0110029v2 · doi: 10.48550/arxiv.nlin/0110029 · pith_short_12: B2A32B2ZLNZM · pith_short_16: B2A32B2ZLNZM56XH · pith_short_8: B2A32B2Z

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/B2A32B2ZLNZM56XHGFDNGICKMX \
  | 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: 0e81bd07595b72cefae73146d3204a65f386671fe9ed440517d5dcfdd0ac19dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15e13b8986613d6e13b9e975778d3661ead8dd32eb8a60432ca7834eb1b4f1ef",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2001-10-17T11:19:00Z",
    "title_canon_sha256": "ca1a904b4d61306c0716463892c137454caca1f2e209b127e13008e65268257f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0110029",
    "kind": "arxiv",
    "version": 2
  }
}