Pith Number

pith:GOOG3S3V

pith:2015:GOOG3S3VWIKQ5ZEPH3TQH4ZXJL

not attested not anchored not stored refs pending

A dual singular complement method for the numerical solution of the Poisson equation with $L^2$ boundary data in non-convex domains

Johannes Pfefferer, Serge Nicaise, Thomas Apel

arxiv:1505.00414 v2 · 2015-05-03 · 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{GOOG3S3VWIKQ5ZEPH3TQH4ZXJL}

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	2026-05-18T02:16:19.866534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

339c6dcb75b2150ee48f3ee703f3374ad27271bf153bc412de4e393aa1a36b89

Aliases

arxiv: 1505.00414 · arxiv_version: 1505.00414v2 · doi: 10.48550/arxiv.1505.00414 · pith_short_12: GOOG3S3VWIKQ · pith_short_16: GOOG3S3VWIKQ5ZEP · pith_short_8: GOOG3S3V

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/GOOG3S3VWIKQ5ZEPH3TQH4ZXJL \
  | 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: 339c6dcb75b2150ee48f3ee703f3374ad27271bf153bc412de4e393aa1a36b89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74e7100dc04e16ff8f59296d8ca968e929312df4e4f2ca1173fa4bb4b3c6ec8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-03T09:57:44Z",
    "title_canon_sha256": "680c80029b22ffcc8590a5fae8a15233b85b8463c159a366bef21171d698d9e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00414",
    "kind": "arxiv",
    "version": 2
  }
}