Pith Number

pith:AXM5WNFG

pith:2013:AXM5WNFG6HK4VI3AIQA5UMNVCL

not attested not anchored not stored refs pending

Second-order LOD multigrid method for multidimensional Riesz fractional diffusion equation

Minghua Chen, Weihua Deng, Xiao Cheng, Yantao Wang

arxiv:1301.2643 v1 · 2013-01-12 · math.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{AXM5WNFG6HK4VI3AIQA5UMNVCL}

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	2026-05-18T02:42:29.144677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05d9db34a6f1d5caa3604401da31b512ea8cd5d22608956faffd18a0d9bdac04

Aliases

arxiv: 1301.2643 · arxiv_version: 1301.2643v1 · doi: 10.48550/arxiv.1301.2643 · pith_short_12: AXM5WNFG6HK4 · pith_short_16: AXM5WNFG6HK4VI3A · pith_short_8: AXM5WNFG

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/AXM5WNFG6HK4VI3AIQA5UMNVCL \
  | 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: 05d9db34a6f1d5caa3604401da31b512ea8cd5d22608956faffd18a0d9bdac04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c86f59df0e188aec5c221622623e077eca6e720109c664603e55fd95fa58fadd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-01-12T03:26:09Z",
    "title_canon_sha256": "efcc5936d5df86c7638fbf411332b4cb36ad9ef902c89bb2389d3ce6a2171537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2643",
    "kind": "arxiv",
    "version": 1
  }
}