Pith Number

pith:WYEUPPZT

pith:2011:WYEUPPZT7WK4WGSQEBTNMUA7ZQ

not attested not anchored not stored refs pending

Orthogonal polynomials on a bi-lattice

Christophe Smet, Walter Van Assche

arxiv:1101.1817 v1 · 2011-01-10 · 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{WYEUPPZT7WK4WGSQEBTNMUA7ZQ}

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	2026-05-18T02:22:59.368925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b60947bf33fd95cb1a502066d6501fcc134aeb09b65bc075e02db76a42586493

Aliases

arxiv: 1101.1817 · arxiv_version: 1101.1817v1 · doi: 10.48550/arxiv.1101.1817 · pith_short_12: WYEUPPZT7WK4 · pith_short_16: WYEUPPZT7WK4WGSQ · pith_short_8: WYEUPPZT

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/WYEUPPZT7WK4WGSQEBTNMUA7ZQ \
  | 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: b60947bf33fd95cb1a502066d6501fcc134aeb09b65bc075e02db76a42586493

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "908dcb2299565e70afe2dc433ca1154c8b5501caf78c36db80356571ad8ad402",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-01-10T13:55:27Z",
    "title_canon_sha256": "5584cb4381b0d3066b74db9419ddc96193f7a2935ffd9ea9969452f0cc268225"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1817",
    "kind": "arxiv",
    "version": 1
  }
}