Pith Number

pith:YY2LA5AN

pith:2017:YY2LA5AN425I6UKKZ2D5UF3JNY

not attested not anchored not stored refs pending

Estimates for the Green's function of the discrete bilaplacian in dimensions 2 and 3

Florian Schweiger, Stefan M\"uller

arxiv:1712.02587 v1 · 2017-12-07 · math-ph · math.MP · 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{YY2LA5AN425I6UKKZ2D5UF3JNY}

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	2026-05-18T00:28:33.582402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c634b0740de6ba8f514ace87da17696e2489e791fe199321576c5a2d87da6b3d

Aliases

arxiv: 1712.02587 · arxiv_version: 1712.02587v1 · doi: 10.48550/arxiv.1712.02587 · pith_short_12: YY2LA5AN425I · pith_short_16: YY2LA5AN425I6UKK · pith_short_8: YY2LA5AN

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/YY2LA5AN425I6UKKZ2D5UF3JNY \
  | 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: c634b0740de6ba8f514ace87da17696e2489e791fe199321576c5a2d87da6b3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23a75c3829f0986cf1f24115e72722d063c143cd4dea71c2b4d387a0f68b3ad2",
    "cross_cats_sorted": [
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-12-07T12:31:35Z",
    "title_canon_sha256": "baf2ccf4adb7247b57b2a944cc48a780f7ee2ab8a71529abca6c5818cc3596b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02587",
    "kind": "arxiv",
    "version": 1
  }
}