Pith Number

pith:LAZIID4N

pith:2018:LAZIID4N3P3WJON7ZOL2Y2ZTPL

not attested not anchored not stored refs pending

Development of a New Spectral Collocation Method Using Laplacian Eigenbasis for Elliptic Partial Differential Equations in an Extended Domain

Cheng-Hong Robert Kao, Po-Yi Wu, Tony Wen-Hann Sheu

arxiv:1803.02075 v2 · 2018-03-06 · 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{LAZIID4N3P3WJON7ZOL2Y2ZTPL}

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	2026-05-18T00:21:50.504893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5832840f8ddbf764b9bfcb97ac6b337ad483bc8ddba76cc01b07b6cf0c5c765a

Aliases

arxiv: 1803.02075 · arxiv_version: 1803.02075v2 · doi: 10.48550/arxiv.1803.02075 · pith_short_12: LAZIID4N3P3W · pith_short_16: LAZIID4N3P3WJON7 · pith_short_8: LAZIID4N

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/LAZIID4N3P3WJON7ZOL2Y2ZTPL \
  | 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: 5832840f8ddbf764b9bfcb97ac6b337ad483bc8ddba76cc01b07b6cf0c5c765a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1be71290f26b63d1ffa012818a8294eb5f778f2513b7deccf83b63e0a1a31cd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-06T09:42:14Z",
    "title_canon_sha256": "23046061b847dd4761915252537e93af2d72938aadc72c773d78abfbc5a50dbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02075",
    "kind": "arxiv",
    "version": 2
  }
}