Pith Number

pith:K2QBL44G

pith:2018:K2QBL44GFPIDVKHCQZUBFUXVQ4

not attested not anchored not stored refs pending

Accurate numerical methods for two and three dimensional integral fractional Laplacian with applications

Siwei Duo, Yanzhi Zhang

arxiv:1804.02718 v2 · 2018-04-08 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2QBL44GFPIDVKHCQZUBFUXVQ4}

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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.

Cited by

1 paper in Pith

Fast Fourier-like Mapped Chebyshev Spectral-Galerkin Methods for PDEs with Integral Fractional Laplacian in Unbounded Domains

Receipt and verification

First computed	2026-07-05T00:15:21.750011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a015f3862bd03aa8e2866812d2f58706384880be7c1e0e24772f35b9cb88e6

Aliases

arxiv: 1804.02718 · arxiv_version: 1804.02718v2 · doi: 10.48550/arxiv.1804.02718 · pith_short_12: K2QBL44GFPID · pith_short_16: K2QBL44GFPIDVKHC · pith_short_8: K2QBL44G

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/K2QBL44GFPIDVKHCQZUBFUXVQ4 \
  | 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: 56a015f3862bd03aa8e2866812d2f58706384880be7c1e0e24772f35b9cb88e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e64e5a334e5fde6e22e5f82ed7658d8cedec8092a575aa5b3717472b72e2bc0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-08T17:08:25Z",
    "title_canon_sha256": "d92cefe086d96c3294c33a135c5285fa45570130bace470f48a8b5ee9cada298"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02718",
    "kind": "arxiv",
    "version": 2
  }
}