Pith Number

pith:ZMDHZKSP

pith:2011:ZMDHZKSPDIPWX6LPBJSLRF6YRH

not attested not anchored not stored refs pending

On discrete integrable equations with convex variational principles

Alexander I. Bobenko, Felix G\"unther

arxiv:1111.6273 v2 · 2011-11-27 · 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{ZMDHZKSPDIPWX6LPBJSLRF6YRH}

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	2026-05-18T00:46:32.376434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb067caa4f1a1f6bf96f0a64b897d889d2a9c2333c30d0c8229d62063cf67307

Aliases

arxiv: 1111.6273 · arxiv_version: 1111.6273v2 · doi: 10.48550/arxiv.1111.6273 · pith_short_12: ZMDHZKSPDIPW · pith_short_16: ZMDHZKSPDIPWX6LP · pith_short_8: ZMDHZKSP

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/ZMDHZKSPDIPWX6LPBJSLRF6YRH \
  | 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: cb067caa4f1a1f6bf96f0a64b897d889d2a9c2333c30d0c8229d62063cf67307

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e1a39c6b7d0eb5222dfdd9389dd596ce352499df69ee2a76ae54b998ca09f83",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-11-27T16:32:25Z",
    "title_canon_sha256": "7b3209c1dea8be160c182325f2d173c0b1cf39410eeeb57db936385298bff231"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6273",
    "kind": "arxiv",
    "version": 2
  }
}