Pith Number

pith:B2GGDBTD

pith:2003:B2GGDBTDWRZ5UVGGAAWQCPMFGZ

not attested not anchored not stored refs pending

Quadratic Hermite-Pade approximation to the exponential function: a Riemann-Hilbert approach

A. B. J. Kuijlaars, F. Wielonsky, W. Van Assche

arxiv:math/0302357 v1 · 2003-02-28 · math.CA · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2GGDBTDWRZ5UVGGAAWQCPMFGZ}

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	2026-05-18T03:11:24.552577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e8c618663b473da54c6002d013d853669f04e35c93ce02adb46e3ba4e8242bf

Aliases

arxiv: math/0302357 · arxiv_version: math/0302357v1 · doi: 10.48550/arxiv.math/0302357 · pith_short_12: B2GGDBTDWRZ5 · pith_short_16: B2GGDBTDWRZ5UVGG · pith_short_8: B2GGDBTD

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/B2GGDBTDWRZ5UVGGAAWQCPMFGZ \
  | 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: 0e8c618663b473da54c6002d013d853669f04e35c93ce02adb46e3ba4e8242bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbefacb85fbed92774c4652fd1de8b6a566644530febc6fc450e5b059f53088b",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "",
    "primary_cat": "math.CA",
    "submitted_at": "2003-02-28T14:56:32Z",
    "title_canon_sha256": "12e7ccf1890e149bbfb00623556586ec9dfabb197bb6b6d0dab984b682bfa764"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0302357",
    "kind": "arxiv",
    "version": 1
  }
}