Pith Number

pith:RWPWDLWE

pith:2018:RWPWDLWEXXGLCEYA22COXZOGQ6

not attested not anchored not stored refs pending

Solving the nonlinear biharmonic equation by the Laplace-Adomian and Adomian Decomposition Methods

Chun Sing Leung, Man Kwong Mak, Tiberiu Harko

arxiv:1810.09544 v1 · 2018-10-19 · math.AP · math-ph · math.CA · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RWPWDLWEXXGLCEYA22COXZOGQ6}

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	2026-05-18T00:02:39.285565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d9f61aec4bdccb11300d684ebe5c6878e9ae9ed927eca048a851a08a798a30b

Aliases

arxiv: 1810.09544 · arxiv_version: 1810.09544v1 · doi: 10.48550/arxiv.1810.09544 · pith_short_12: RWPWDLWEXXGL · pith_short_16: RWPWDLWEXXGLCEYA · pith_short_8: RWPWDLWE

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/RWPWDLWEXXGLCEYA22COXZOGQ6 \
  | 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: 8d9f61aec4bdccb11300d684ebe5c6878e9ae9ed927eca048a851a08a798a30b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce939a2997a611f2d5616c20d61d3ad822fbdb0a77729afe82babe23f44335b4",
    "cross_cats_sorted": [
      "math-ph",
      "math.CA",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-10-19T03:01:09Z",
    "title_canon_sha256": "915cc0912075dfbf212aa60586421a4f13aceda6607b41084e06b97ca89687f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09544",
    "kind": "arxiv",
    "version": 1
  }
}