Pith Number

pith:SWQ4CCZ7

pith:2011:SWQ4CCZ7PVCNVW4GNHIRQRJ57K

not attested not anchored not stored refs pending

Generic Approximation of functions by their pad\'{e} approximants, I

G. Fournodavlos

arxiv:1103.3841 v2 · 2011-03-20 · 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{SWQ4CCZ7PVCNVW4GNHIRQRJ57K}

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	2026-05-18T04:22:02.082223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95a1c10b3f7d44dadb8669d118453dfab5552517a56b5404e79b5a0933fb5d89

Aliases

arxiv: 1103.3841 · arxiv_version: 1103.3841v2 · doi: 10.48550/arxiv.1103.3841 · pith_short_12: SWQ4CCZ7PVCN · pith_short_16: SWQ4CCZ7PVCNVW4G · pith_short_8: SWQ4CCZ7

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/SWQ4CCZ7PVCNVW4GNHIRQRJ57K \
  | 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: 95a1c10b3f7d44dadb8669d118453dfab5552517a56b5404e79b5a0933fb5d89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d96fb3e31cf79f3afa4c127bcbdf868623c92aaaebf631ed0264b56f519bbb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-03-20T10:30:09Z",
    "title_canon_sha256": "1ced119887b5c34c99bde7887c1a3a8f0ba872ca555fa086b4293a3df59868e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3841",
    "kind": "arxiv",
    "version": 2
  }
}