Pith Number

pith:Y3W5FKZD

pith:1994:Y3W5FKZDR6PALI44CY2PALAZSC

not attested not anchored not stored refs pending

The Askey-Wilson polynomials and q-Sturm-Lioville problems

B. Malcolm Brown, Mourad E. H. Ismail, William Desmond Evans

arxiv:math/9408209 v1 · 1994-08-24 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y3W5FKZDR6PALI44CY2PALAZSC}

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	2026-05-18T01:05:51.184148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6edd2ab238f9e05a39c1634f02c1990ab24f01c6cc9430cf12bc4af6388c79b

Aliases

arxiv: math/9408209 · arxiv_version: math/9408209v1 · doi: 10.48550/arxiv.math/9408209 · pith_short_12: Y3W5FKZDR6PA · pith_short_16: Y3W5FKZDR6PALI44 · pith_short_8: Y3W5FKZD

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/Y3W5FKZDR6PALI44CY2PALAZSC \
  | 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: c6edd2ab238f9e05a39c1634f02c1990ab24f01c6cc9430cf12bc4af6388c79b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa5a77763d8a3e2e4108eb507365b04b47bd997c7672e1d8078e8fbb837d3c50",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CA",
    "submitted_at": "1994-08-24T00:00:00Z",
    "title_canon_sha256": "bda3d9f462cd47b0c063aa64d43375c2350ac55b0f166a0c5f3a69a65be1f334"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9408209",
    "kind": "arxiv",
    "version": 1
  }
}