Pith Number

pith:4U4LJCKA

pith:2018:4U4LJCKA67EYOIZB5IFHNJLE2L

not attested not anchored not stored refs pending

The q-Heun operator of big q-Jacobi type and the q-Heun algebra

Alexei Zhedanov, Luc Vinet, Pascal Baseilhac

arxiv:1808.06695 v1 · 2018-08-03 · math.CA · math-ph · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4U4LJCKA67EYOIZB5IFHNJLE2L}

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	2026-05-17T23:49:43.155392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e538b48940f7c9872321ea0a76a564d2f4c2cdc26137dcfb28fa30bb218e9700

Aliases

arxiv: 1808.06695 · arxiv_version: 1808.06695v1 · doi: 10.48550/arxiv.1808.06695 · pith_short_12: 4U4LJCKA67EY · pith_short_16: 4U4LJCKA67EYOIZB · pith_short_8: 4U4LJCKA

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/4U4LJCKA67EYOIZB5IFHNJLE2L \
  | 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: e538b48940f7c9872321ea0a76a564d2f4c2cdc26137dcfb28fa30bb218e9700

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c866573662222fcd863ad67046cab33577c81cbc289c3c2b86c60a89e5e7aa86",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-08-03T01:23:05Z",
    "title_canon_sha256": "1418bb45b8864d46d090453bd3bd41d1243de6955971110f719ad785bc11f726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06695",
    "kind": "arxiv",
    "version": 1
  }
}