Pith Number

pith:IEPLG43K

pith:2004:IEPLG43KHNMPXSE7VDPYPA7WRD

not attested not anchored not stored refs pending

Gauusian quadrature for multiple orthogonal polynomials

Jonathan Coussement, Walter Van Assche

arxiv:math/0403533 v1 · 2004-03-31 · 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{IEPLG43KHNMPXSE7VDPYPA7WRD}

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	2026-05-18T03:11:24.502855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

411eb3736a3b58fbc89fa8df8783f688e498624e5690768b441d2f278c217b2f

Aliases

arxiv: math/0403533 · arxiv_version: math/0403533v1 · doi: 10.48550/arxiv.math/0403533 · pith_short_12: IEPLG43KHNMP · pith_short_16: IEPLG43KHNMPXSE7 · pith_short_8: IEPLG43K

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/IEPLG43KHNMPXSE7VDPYPA7WRD \
  | 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: 411eb3736a3b58fbc89fa8df8783f688e498624e5690768b441d2f278c217b2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dbaa0cd54364cfac1f60ebfc7c5ddadfe739648ca7e85175d94f9153e5dfd14",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CA",
    "submitted_at": "2004-03-31T06:07:25Z",
    "title_canon_sha256": "ad7883536441e598f45d5f053b15c1a1f8518813f2789997535c3b2f6ae64657"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0403533",
    "kind": "arxiv",
    "version": 1
  }
}