Pith Number

pith:DR7V3PHD

pith:2016:DR7V3PHDR6JDQ7AI3YPEUO5JCL

not attested not anchored not stored refs pending

Liouville integrability and superintegrability of a generalized Lotka-Volterra system and its Kahan discretization

G. R. W. Quispel, Pol Vanhaecke, Theodoros E. Kouloukas

arxiv:1601.05006 v1 · 2016-01-19 · math-ph · math.MP · 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{DR7V3PHDR6JDQ7AI3YPEUO5JCL}

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	2026-05-18T01:13:56.252129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c7f5dbce38f92387c08de1e4a3ba912ee6d556531a5426e1f9a71c5bfa49254

Aliases

arxiv: 1601.05006 · arxiv_version: 1601.05006v1 · doi: 10.48550/arxiv.1601.05006 · pith_short_12: DR7V3PHDR6JD · pith_short_16: DR7V3PHDR6JDQ7AI · pith_short_8: DR7V3PHD

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/DR7V3PHDR6JDQ7AI3YPEUO5JCL \
  | 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: 1c7f5dbce38f92387c08de1e4a3ba912ee6d556531a5426e1f9a71c5bfa49254

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bba98bb8db1dc8bc5d8f069264b16e36b9e25ff816a0af7b933a1a67b167836",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-01-19T17:27:05Z",
    "title_canon_sha256": "33818cdfe1d1b7a9e611a519eed8d7de0ae60f66f9f343647b61bad19f9a9447"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05006",
    "kind": "arxiv",
    "version": 1
  }
}