Pith Number

pith:RI4VNDTK

pith:2026:RI4VNDTKZAFOTBEXXRLYRF77AM

not attested not anchored not stored refs pending

A non-commutative discrete first Painlev\'e hierarchy: the Lax pair approach

Irina Bobrova

arxiv:2605.29722 v1 · 2026-05-28 · nlin.SI · math-ph · math.MP · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RI4VNDTKZAFOTBEXXRLYRF77AM}

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	2026-05-29T01:05:56.946155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a39568e6ac80ae98497bc578897ff0315b76f56c647d30b34f8a938f51ddbfa

Aliases

arxiv: 2605.29722 · arxiv_version: 2605.29722v1 · doi: 10.48550/arxiv.2605.29722 · pith_short_12: RI4VNDTKZAFO · pith_short_16: RI4VNDTKZAFOTBEX · pith_short_8: RI4VNDTK

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/RI4VNDTKZAFOTBEXXRLYRF77AM \
  | 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: 8a39568e6ac80ae98497bc578897ff0315b76f56c647d30b34f8a938f51ddbfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37ebcf6e7623f51de5caafa674322f20b75e781a438dcbf61b5b63767e11ad0f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2026-05-28T10:17:54Z",
    "title_canon_sha256": "e25566c80c199bba3a7f9e1ed4b7a5fe76d4ee372c4726d243e481e86edbfbe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29722",
    "kind": "arxiv",
    "version": 1
  }
}