Pith Number

pith:ZPEM6PJZ

pith:2019:ZPEM6PJZI7IGZ2LVXA7RUGCUJV

not attested not anchored not stored refs pending

A mixed problem for the Laplace operator in a domain with moderately close holes

Matteo Dalla Riva, Paolo Musolino

arxiv:1903.05856 v1 · 2019-03-14 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZPEM6PJZI7IGZ2LVXA7RUGCUJV}

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	2026-05-17T23:51:15.955467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbc8cf3d3947d06ce975b83f1a18544d77b1a05d3153b79e45d11d266e536fe1

Aliases

arxiv: 1903.05856 · arxiv_version: 1903.05856v1 · doi: 10.48550/arxiv.1903.05856 · pith_short_12: ZPEM6PJZI7IG · pith_short_16: ZPEM6PJZI7IGZ2LV · pith_short_8: ZPEM6PJZ

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/ZPEM6PJZI7IGZ2LVXA7RUGCUJV \
  | 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: cbc8cf3d3947d06ce975b83f1a18544d77b1a05d3153b79e45d11d266e536fe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "563569fd98acd571a75dedc0b7495a311966569568912c1fc5e6bbc1cf4af45c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-03-14T08:43:54Z",
    "title_canon_sha256": "d03a6dae233059207b54bbb70515f6a0b8f5c4fba4f9cb009a86a26bfc95ad25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05856",
    "kind": "arxiv",
    "version": 1
  }
}