Pith Number

pith:UZ5FZEM7

pith:2012:UZ5FZEM7NZ3OTXHJAMHAKLGTDB

not attested not anchored not stored refs pending

Integrability of reductions of the discrete KdV and potential KdV equations

A.N.W. Hone, D.T. Tran, G.R.W. Quispel, P.H. van der Kamp

arxiv:1211.6958 v2 · 2012-11-29 · nlin.SI · math-ph · math.DS · 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{UZ5FZEM7NZ3OTXHJAMHAKLGTDB}

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	2026-05-18T01:52:53.293238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a67a5c919f6e76e9dce9030e052cd3186b330a312fceba06e7777070a3472bc3

Aliases

arxiv: 1211.6958 · arxiv_version: 1211.6958v2 · doi: 10.48550/arxiv.1211.6958 · pith_short_12: UZ5FZEM7NZ3O · pith_short_16: UZ5FZEM7NZ3OTXHJ · pith_short_8: UZ5FZEM7

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/UZ5FZEM7NZ3OTXHJAMHAKLGTDB \
  | 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: a67a5c919f6e76e9dce9030e052cd3186b330a312fceba06e7777070a3472bc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e190b7593320aaa8c6aea8dc4cb3e94562e4a1381421023fa303e8b387ff9d3d",
    "cross_cats_sorted": [
      "math-ph",
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-11-29T15:45:33Z",
    "title_canon_sha256": "dbb6981c3726304163483904bd7f2933c82947f039cdbcc9e1594e17dd52f51c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6958",
    "kind": "arxiv",
    "version": 2
  }
}