Pith Number

pith:TWWGSGUX

pith:2016:TWWGSGUXQ3HEHYQ5TYFJIV6TCT

not attested not anchored not stored refs pending

Uniform convergence of V-cycle multigrid algorithms for two-dimensional fractional Feynman-Kac equation

Minghua Chen, Stefano Serra-Capizzano, Weihua Deng

arxiv:1602.08226 v4 · 2016-02-26 · 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{TWWGSGUXQ3HEHYQ5TYFJIV6TCT}

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	2026-05-18T00:22:06.844516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dac691a9786ce43e21d9e0a9457d314fff2f76c216b082c2e471558d36b3dd4

Aliases

arxiv: 1602.08226 · arxiv_version: 1602.08226v4 · doi: 10.48550/arxiv.1602.08226 · pith_short_12: TWWGSGUXQ3HE · pith_short_16: TWWGSGUXQ3HEHYQ5 · pith_short_8: TWWGSGUX

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/TWWGSGUXQ3HEHYQ5TYFJIV6TCT \
  | 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: 9dac691a9786ce43e21d9e0a9457d314fff2f76c216b082c2e471558d36b3dd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a18b48a1eb1725ec6933f8a39f532903b3d8100cb0f753925305df39618b067",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-26T07:49:16Z",
    "title_canon_sha256": "20ba722949285bb39f8adf57ad87f39e236a885d8d5f3373b0d47406e0513239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08226",
    "kind": "arxiv",
    "version": 4
  }
}