Pith Number

pith:EDV44RHO

pith:2018:EDV44RHOFQUTBN3YSQKRI5NIOS

not attested not anchored not stored refs pending

The Heun operator of Hahn type

Alexei Zhedanov, Luc Vinet

arxiv:1808.00153 v1 · 2018-07-17 · math.CA · math-ph · 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{EDV44RHOFQUTBN3YSQKRI5NIOS}

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.

Cited by

1 paper in Pith

The 2D Smorodinsky--Winternitz II system and the Laguerre--Heun algebra

Receipt and verification

First computed	2026-05-18T00:09:08.593768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20ebce44ee2c2930b77894151475a874adb590c7b497d3b5fb780b015bcb7718

Aliases

arxiv: 1808.00153 · arxiv_version: 1808.00153v1 · doi: 10.48550/arxiv.1808.00153 · pith_short_12: EDV44RHOFQUT · pith_short_16: EDV44RHOFQUTBN3Y · pith_short_8: EDV44RHO

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/EDV44RHOFQUTBN3YSQKRI5NIOS \
  | 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: 20ebce44ee2c2930b77894151475a874adb590c7b497d3b5fb780b015bcb7718

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "748bb3d3d25f49222807bc1cac2fa95c1bfd747f51e2b5af87ea07a6b4516d90",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-07-17T21:38:36Z",
    "title_canon_sha256": "36dfc874dd9fecd80babd4c53ac502074b9a7adcf18b66e3f616453193d71c3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00153",
    "kind": "arxiv",
    "version": 1
  }
}