Pith Number

pith:5WQ7HVY6

pith:2011:5WQ7HVY6XP3IYSZXUXRF76CJVR

not attested not anchored not stored refs pending

$L^p$ Error Estimates for Approximation by Sobolev Splines and Wendland Functions on $\mathbb{R}^d$

John Paul Ward

arxiv:1103.5997 v2 · 2011-03-30 · 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{5WQ7HVY6XP3IYSZXUXRF76CJVR}

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	2026-05-18T03:24:42.107940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eda1f3d71ebbf68c4b37a5e25ff849ac4a9289af5379e0d7e4a9e8702830233e

Aliases

arxiv: 1103.5997 · arxiv_version: 1103.5997v2 · doi: 10.48550/arxiv.1103.5997 · pith_short_12: 5WQ7HVY6XP3I · pith_short_16: 5WQ7HVY6XP3IYSZX · pith_short_8: 5WQ7HVY6

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/5WQ7HVY6XP3IYSZXUXRF76CJVR \
  | 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: eda1f3d71ebbf68c4b37a5e25ff849ac4a9289af5379e0d7e4a9e8702830233e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec5208fd266c4b28f03f1ccde5f4d0c0736712d21580799c6eff7756c2d8740e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-03-30T17:25:42Z",
    "title_canon_sha256": "5d7b26047394200fcf1a524782d27bdaa63b1d7bf41355d3278e0d0e088b2c88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5997",
    "kind": "arxiv",
    "version": 2
  }
}