Pith Number

pith:2VI6HGU5

pith:2010:2VI6HGU54UTAXEZ47SYM3V3SRP

not attested not anchored not stored refs pending

Involutivity of integrals for sine-Gordon, modified KdV and potential KdV maps

Dinh T. Tran, G.R.W. Quispel, P.H. van der Kamp

arxiv:1010.3471 v2 · 2010-10-18 · 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{2VI6HGU54UTAXEZ47SYM3V3SRP}

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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	2026-05-18T02:05:04.042081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d551e39a9de5260b933cfcb0cdd7728bed41c95d64bc3ae070fa28b6d2998895

Aliases

arxiv: 1010.3471 · arxiv_version: 1010.3471v2 · doi: 10.48550/arxiv.1010.3471 · pith_short_12: 2VI6HGU54UTA · pith_short_16: 2VI6HGU54UTAXEZ4 · pith_short_8: 2VI6HGU5

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/2VI6HGU54UTAXEZ47SYM3V3SRP \
  | 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: d551e39a9de5260b933cfcb0cdd7728bed41c95d64bc3ae070fa28b6d2998895

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ea0b3a7bf5ab45d1ff06cb70b253c8de370390879a6cbb3a19fcdabce9c4f60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2010-10-18T03:11:01Z",
    "title_canon_sha256": "ac988173b1c063329e0217bc25dd6d5d27b9882b2742b94ace6f3e8ccc5f7da2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3471",
    "kind": "arxiv",
    "version": 2
  }
}