Pith Number

pith:6V54QM4O

pith:2011:6V54QM4OCJOQIU42XFF7LRPBBE

not attested not anchored not stored refs pending

The generalized periodic ultradiscrete KdV equation and its background solutions

Masataka Kanki

arxiv:1104.4445 v2 · 2011-04-22 · nlin.SI · math-ph · math.MP · nlin.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6V54QM4OCJOQIU42XFF7LRPBBE}

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	2026-05-18T03:48:35.659578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f57bc8338e125d04539ab94bf5c5e10908579432d4bcdd24bec7b83347d176cb

Aliases

arxiv: 1104.4445 · arxiv_version: 1104.4445v2 · doi: 10.48550/arxiv.1104.4445 · pith_short_12: 6V54QM4OCJOQ · pith_short_16: 6V54QM4OCJOQIU42 · pith_short_8: 6V54QM4O

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/6V54QM4OCJOQIU42XFF7LRPBBE \
  | 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: f57bc8338e125d04539ab94bf5c5e10908579432d4bcdd24bec7b83347d176cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3505db8c9c06c645a4cf5c82d6615cf6262f4e9e678c76282818896e5b2a0825",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-04-22T14:18:07Z",
    "title_canon_sha256": "87ffd34952cb610d338c5fe824144ea15ca3e621dd3943c9f22f1e08aeff5f23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4445",
    "kind": "arxiv",
    "version": 2
  }
}