Pith Number

pith:DLFL6JKU

pith:2004:DLFL6JKUOGQ6KSOLACPIQ3WYDG

not attested not anchored not stored refs pending

Regularity and well posedness for the Laplace operator on polyhedral domains

Constantin Bacuta, Ludmil Zikatanov, Victor Nistor

arxiv:math/0410207 v1 · 2004-10-07 · math.AP · cs.NA · 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{DLFL6JKUOGQ6KSOLACPIQ3WYDG}

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	2026-06-03T22:06:15.871125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1acabf255471a1e549cb009e886ed8198d9921afacc8c3dbfc247a3dd2f7ae28

Aliases

arxiv: math/0410207 · arxiv_version: math/0410207v1 · doi: 10.48550/arxiv.math/0410207 · pith_short_12: DLFL6JKUOGQ6 · pith_short_16: DLFL6JKUOGQ6KSOL · pith_short_8: DLFL6JKU

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/DLFL6JKUOGQ6KSOLACPIQ3WYDG \
  | 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: 1acabf255471a1e549cb009e886ed8198d9921afacc8c3dbfc247a3dd2f7ae28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70405c65caf8f33f6ac320de19aa62806adfe0a755566a76f5ec8717c07ddb03",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2004-10-07T15:04:10Z",
    "title_canon_sha256": "2690694ecc75bb83678b86765d3254a619f6a77b0f0a1aec0ba110c23bc02c1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0410207",
    "kind": "arxiv",
    "version": 1
  }
}