Pith Number

pith:TSUWU3MI

pith:2012:TSUWU3MIPCIN5YRWGL57SZNXML

not attested not anchored not stored refs pending

A Class of Second Order Difference Approximation for Solving Space Fractional Diffusion Equations

Han Zhou, Weihua Deng, WenYi Tian

arxiv:1201.5949 v3 · 2012-01-28 · 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{TSUWU3MIPCIN5YRWGL57SZNXML}

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	2026-05-18T02:18:01.864460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ca96a6d887890dee23632fbf965b762e497cc8c62fa4209c56cf6a0591fcc31

Aliases

arxiv: 1201.5949 · arxiv_version: 1201.5949v3 · doi: 10.48550/arxiv.1201.5949 · pith_short_12: TSUWU3MIPCIN · pith_short_16: TSUWU3MIPCIN5YRW · pith_short_8: TSUWU3MI

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/TSUWU3MIPCIN5YRWGL57SZNXML \
  | 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: 9ca96a6d887890dee23632fbf965b762e497cc8c62fa4209c56cf6a0591fcc31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc32701e984d01789ca71f233138be4bceb93f3adf9bf909196c0410065eeb31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-01-28T12:03:43Z",
    "title_canon_sha256": "d0b5384df21a061c8c563ef24ff5fb823832a7deb6c6acc26fc2ffd2a1b04fed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5949",
    "kind": "arxiv",
    "version": 3
  }
}