Pith Number

pith:MJYLZDIZ

pith:2026:MJYLZDIZ6HECBIIC4XR7OUPDJJ

not attested not anchored not stored refs pending

Combinatorial geometry of the 2D Toda lattice and Davey Stewartson equation

Marvin Anas Hahn, Rodrigo Navarro Betancourt, Vera Posch, Vincenzo Reda

arxiv:2607.20109 v1 · 2026-07-22 · nlin.SI · hep-th · math-ph · math.AG · math.CO · 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{MJYLZDIZ6HECBIIC4XR7OUPDJJ}

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	2026-07-23T01:25:01.849256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6270bc8d19f1c820a102e5e3f751e34a60767e430c232b365c1f5e8beab6b8ee

Aliases

arxiv: 2607.20109 · arxiv_version: 2607.20109v1 · doi: 10.48550/arxiv.2607.20109 · pith_short_12: MJYLZDIZ6HEC · pith_short_16: MJYLZDIZ6HECBIIC · pith_short_8: MJYLZDIZ

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/MJYLZDIZ6HECBIIC4XR7OUPDJJ \
  | 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: 6270bc8d19f1c820a102e5e3f751e34a60767e430c232b365c1f5e8beab6b8ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c906160e08d52e14b5195640ca6abb7432eee62528d26040cf74cc68276a41a",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.AG",
      "math.CO",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2026-07-22T13:10:20Z",
    "title_canon_sha256": "4459b66c465ee44d3826a44263687dc840c3ca66a9e19de2d636df4baecb9d0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20109",
    "kind": "arxiv",
    "version": 1
  }
}