Pith Number

pith:YJO5N5EI

pith:2008:YJO5N5EI7437AIOJFDFLMRG6HJ

not attested not anchored not stored refs pending

Zeros of linear combinations of Laguerre polynomials from different sequences

K Driver, K Jordaan

arxiv:0812.0730 v1 · 2008-12-03 · 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{YJO5N5EI7437AIOJFDFLMRG6HJ}

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	2026-05-18T02:15:12.073120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c25dd6f488ff37f021c928cab644de3a5b0e0d607a6aefc57579f35f8c3d0162

Aliases

arxiv: 0812.0730 · arxiv_version: 0812.0730v1 · doi: 10.48550/arxiv.0812.0730 · pith_short_12: YJO5N5EI7437 · pith_short_16: YJO5N5EI7437AIOJ · pith_short_8: YJO5N5EI

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/YJO5N5EI7437AIOJFDFLMRG6HJ \
  | 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: c25dd6f488ff37f021c928cab644de3a5b0e0d607a6aefc57579f35f8c3d0162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60ec17c2fb7cc351d75c0ecce318472736d1f5cdf5715d1bb0cc8ef5af1fe469",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2008-12-03T14:38:42Z",
    "title_canon_sha256": "8fbe7af2a33597471eed99f888f774d11f771a72f9d0221e62d4ff8e7af1c255"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.0730",
    "kind": "arxiv",
    "version": 1
  }
}