Pith Number

pith:DKOA7SDH

pith:2013:DKOA7SDHO3D5B5U7P3U26W7GBX

not attested not anchored not stored refs pending

Non-commutative Painleve' equations and Hermite-type matrix orthogonal polynomials

Manuel D. de la Iglesia, Mattia Cafasso

arxiv:1301.2116 v2 · 2013-01-10 · math-ph · math.CA · 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{DKOA7SDHO3D5B5U7P3U26W7GBX}

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	2026-05-18T02:53:41.636876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a9c0fc86776c7d0f69f7ee9af5be60df1117c10388b2e93a747d74af7af8b2d

Aliases

arxiv: 1301.2116 · arxiv_version: 1301.2116v2 · doi: 10.48550/arxiv.1301.2116 · pith_short_12: DKOA7SDHO3D5 · pith_short_16: DKOA7SDHO3D5B5U7 · pith_short_8: DKOA7SDH

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/DKOA7SDHO3D5B5U7P3U26W7GBX \
  | 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: 1a9c0fc86776c7d0f69f7ee9af5be60df1117c10388b2e93a747d74af7af8b2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "870ac82c1b4cbabffa4c20140e302dc00ba644cf99e9a6fe2bea1b6c4b601833",
    "cross_cats_sorted": [
      "math.CA",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-01-10T13:30:57Z",
    "title_canon_sha256": "375dab22a5573942b9ea59e77711699da72ab608f9496b461739133b75aeb405"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2116",
    "kind": "arxiv",
    "version": 2
  }
}