Pith Number

pith:BIGVWA6X

pith:2010:BIGVWA6XYG2C3Q3QUEEL373UPB

not attested not anchored not stored refs pending

Noncommutative Toda Chains, Hankel Quasideterminants And Painlev'e II Equation

Vladimir Retakh, Vladimir Rubtsov

arxiv:1007.4168 v4 · 2010-07-23 · 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{BIGVWA6XYG2C3Q3QUEEL373UPB}

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	2026-05-18T02:06:11.056330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a0d5b03d7c1b42dc370a108bdff74787d822ad2906d664ac5154782cfe88f7d

Aliases

arxiv: 1007.4168 · arxiv_version: 1007.4168v4 · doi: 10.48550/arxiv.1007.4168 · pith_short_12: BIGVWA6XYG2C · pith_short_16: BIGVWA6XYG2C3Q3Q · pith_short_8: BIGVWA6X

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/BIGVWA6XYG2C3Q3QUEEL373UPB \
  | 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: 0a0d5b03d7c1b42dc370a108bdff74787d822ad2906d664ac5154782cfe88f7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e92471ef65ca69feed638f5cee96cd85eb778d2ee1399f2b3de3b15139c4bd14",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-07-23T16:22:08Z",
    "title_canon_sha256": "3f52e710c0ce58bb1a3da4a6c1a27aabddc981ea1678b9b41e7670ff8c0973de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4168",
    "kind": "arxiv",
    "version": 4
  }
}